annotate src/render/opengles/SDL_render_gles.c @ 5229:2178ffe17222

Added function SDL_RenderSetClipRect()
author Sam Lantinga <slouken@libsdl.org>
date Mon, 07 Feb 2011 20:06:26 -0800
parents 115fff0641ee
children 710d00cb3a6a
rev   line source
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68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2010 Sam Lantinga
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4
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
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5 This library is free software; you can redistribute it and/or
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
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6 modify it under the terms of the GNU Lesser General Public
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
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7 License as published by the Free Software Foundation; either
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
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8 version 2.1 of the License, or (at your option) any later version.
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
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9
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
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10 This library is distributed in the hope that it will be useful,
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
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13 Lesser General Public License for more details.
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
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14
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
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15 You should have received a copy of the GNU Lesser General Public
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
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16 License along with this library; if not, write to the Free Software
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
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18
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
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19 Sam Lantinga
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
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20 slouken@libsdl.org
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
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21 */
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
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22 #include "SDL_config.h"
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
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23
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
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24 #if SDL_VIDEO_RENDER_OGL_ES
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
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25
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
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26 #include "SDL_opengles.h"
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27 #include "../SDL_sysrender.h"
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28
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29 #if defined(SDL_VIDEO_DRIVER_PANDORA)
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30
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31 /* Empty function stub to get OpenGL ES 1.x support without */
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32 /* OpenGL ES extension GL_OES_draw_texture supported */
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33 GL_API void GL_APIENTRY
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34 glDrawTexiOES(GLint x, GLint y, GLint z, GLint width, GLint height)
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35 {
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36 return;
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37 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200
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38
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39 #endif /* PANDORA */
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40
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41 /* OpenGL ES 1.1 renderer implementation, based on the OpenGL renderer */
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42
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43 /* Used to re-create the window with OpenGL capability */
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
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44 extern int SDL_RecreateWindow(SDL_Window * window, Uint32 flags);
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
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45
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46 static const float inv255f = 1.0f / 255.0f;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
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47
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48 static SDL_Renderer *GLES_CreateRenderer(SDL_Window * window, Uint32 flags);
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49 static void GLES_WindowEvent(SDL_Renderer * renderer,
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
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50 const SDL_WindowEvent *event);
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51 static int GLES_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture);
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52 static int GLES_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
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53 const SDL_Rect * rect, const void *pixels,
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54 int pitch);
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55 static int GLES_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
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56 const SDL_Rect * rect, void **pixels, int *pitch);
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57 static void GLES_UnlockTexture(SDL_Renderer * renderer,
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58 SDL_Texture * texture);
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2178ffe17222 Added function SDL_RenderSetClipRect()
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59 static void GLES_SetClipRect(SDL_Renderer * renderer, const SDL_Rect * rect);
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60 static int GLES_RenderDrawPoints(SDL_Renderer * renderer,
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61 const SDL_Point * points, int count);
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62 static int GLES_RenderDrawLines(SDL_Renderer * renderer,
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63 const SDL_Point * points, int count);
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64 static int GLES_RenderFillRects(SDL_Renderer * renderer,
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65 const SDL_Rect ** rects, int count);
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66 static int GLES_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
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67 const SDL_Rect * srcrect,
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68 const SDL_Rect * dstrect);
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69 static void GLES_RenderPresent(SDL_Renderer * renderer);
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70 static void GLES_DestroyTexture(SDL_Renderer * renderer,
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71 SDL_Texture * texture);
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72 static void GLES_DestroyRenderer(SDL_Renderer * renderer);
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73
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74
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75 SDL_RenderDriver GLES_RenderDriver = {
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76 GLES_CreateRenderer,
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77 {
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78 "opengles",
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79 (SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC),
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80 1,
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81 {SDL_PIXELFORMAT_ABGR8888},
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82 0,
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83 0}
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84 };
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85
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86 typedef struct
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
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87 {
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88 SDL_GLContext context;
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89 SDL_bool updateSize;
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90 int blendMode;
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91
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92 SDL_bool useDrawTexture;
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93 SDL_bool GL_OES_draw_texture_supported;
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94 } GLES_RenderData;
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95
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96 typedef struct
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97 {
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98 GLuint texture;
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99 GLenum type;
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100 GLfloat texw;
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101 GLfloat texh;
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102 GLenum format;
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103 GLenum formattype;
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104 void *pixels;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
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105 int pitch;
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106 } GLES_TextureData;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
107
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
108 static void
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
109 GLES_SetError(const char *prefix, GLenum result)
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
110 {
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
111 const char *error;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
112
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
113 switch (result) {
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
114 case GL_NO_ERROR:
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
115 error = "GL_NO_ERROR";
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
116 break;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
117 case GL_INVALID_ENUM:
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
118 error = "GL_INVALID_ENUM";
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
119 break;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
120 case GL_INVALID_VALUE:
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
121 error = "GL_INVALID_VALUE";
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
122 break;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
123 case GL_INVALID_OPERATION:
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
124 error = "GL_INVALID_OPERATION";
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
125 break;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
126 case GL_STACK_OVERFLOW:
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
127 error = "GL_STACK_OVERFLOW";
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
128 break;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
129 case GL_STACK_UNDERFLOW:
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
130 error = "GL_STACK_UNDERFLOW";
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
131 break;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
132 case GL_OUT_OF_MEMORY:
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
133 error = "GL_OUT_OF_MEMORY";
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
134 break;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
135 default:
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
136 error = "UNKNOWN";
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
137 break;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
138 }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
139 SDL_SetError("%s: %s", prefix, error);
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
140 }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
141
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
142 SDL_Renderer *
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
143 GLES_CreateRenderer(SDL_Window * window, Uint32 flags)
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
144 {
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
145
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
146 SDL_Renderer *renderer;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
147 GLES_RenderData *data;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
148 GLint value;
5157
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents: 5153
diff changeset
149 Uint32 window_flags;
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
150
5157
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents: 5153
diff changeset
151 window_flags = SDL_GetWindowFlags(window);
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents: 5153
diff changeset
152 if (!(window_flags & SDL_WINDOW_OPENGL)) {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents: 5153
diff changeset
153 if (SDL_RecreateWindow(window, window_flags | SDL_WINDOW_OPENGL) < 0) {
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
154 return NULL;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
155 }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
156 }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
157
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
158 renderer = (SDL_Renderer *) SDL_calloc(1, sizeof(*renderer));
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
159 if (!renderer) {
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
160 SDL_OutOfMemory();
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
161 return NULL;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
162 }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
163
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
164 data = (GLES_RenderData *) SDL_calloc(1, sizeof(*data));
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
165 if (!data) {
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
166 GLES_DestroyRenderer(renderer);
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
167 SDL_OutOfMemory();
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
168 return NULL;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
169 }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
170
5150
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5145
diff changeset
171 renderer->WindowEvent = GLES_WindowEvent;
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
172 renderer->CreateTexture = GLES_CreateTexture;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
173 renderer->UpdateTexture = GLES_UpdateTexture;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
174 renderer->LockTexture = GLES_LockTexture;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
175 renderer->UnlockTexture = GLES_UnlockTexture;
5229
2178ffe17222 Added function SDL_RenderSetClipRect()
Sam Lantinga <slouken@libsdl.org>
parents: 5212
diff changeset
176 renderer->SetClipRect = GLES_SetClipRect;
3641
1e2e19d51265 Fixed iPhone build
Sam Lantinga <slouken@libsdl.org>
parents: 3547
diff changeset
177 renderer->RenderDrawPoints = GLES_RenderDrawPoints;
1e2e19d51265 Fixed iPhone build
Sam Lantinga <slouken@libsdl.org>
parents: 3547
diff changeset
178 renderer->RenderDrawLines = GLES_RenderDrawLines;
1e2e19d51265 Fixed iPhone build
Sam Lantinga <slouken@libsdl.org>
parents: 3547
diff changeset
179 renderer->RenderFillRects = GLES_RenderFillRects;
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
180 renderer->RenderCopy = GLES_RenderCopy;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
181 renderer->RenderPresent = GLES_RenderPresent;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
182 renderer->DestroyTexture = GLES_DestroyTexture;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
183 renderer->DestroyRenderer = GLES_DestroyRenderer;
5204
523409574510 Added an OpenGL ES 2.0 renderer, contributed by itsnotabigtruck
Sam Lantinga <slouken@libsdl.org>
parents: 5198
diff changeset
184 renderer->info = GLES_RenderDriver.info;
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
185 renderer->driverdata = data;
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
186
5145
c8e049de174c Making the API simpler, the renderer present semantics are always having a backbuffer and then discarding it. This is best for hardware accelerated rendering.
Sam Lantinga <slouken@libsdl.org>
parents: 5144
diff changeset
187 renderer->info.flags = SDL_RENDERER_ACCELERATED;
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
188
5212
115fff0641ee Prefer the OpenGL ES 2.0 context when it's available, make it possible to create an OpenGL 2.0 context on iPhoneOS
Sam Lantinga <slouken@libsdl.org>
parents: 5207
diff changeset
189 SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 1);
115fff0641ee Prefer the OpenGL ES 2.0 context when it's available, make it possible to create an OpenGL 2.0 context on iPhoneOS
Sam Lantinga <slouken@libsdl.org>
parents: 5207
diff changeset
190 SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 1);
115fff0641ee Prefer the OpenGL ES 2.0 context when it's available, make it possible to create an OpenGL 2.0 context on iPhoneOS
Sam Lantinga <slouken@libsdl.org>
parents: 5207
diff changeset
191
3688
6512cba48440 Fixed Cocoa and OpenGL builds
Sam Lantinga <slouken@libsdl.org>
parents: 3685
diff changeset
192 data->context = SDL_GL_CreateContext(window);
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
193 if (!data->context) {
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
194 GLES_DestroyRenderer(renderer);
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
195 return NULL;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
196 }
3688
6512cba48440 Fixed Cocoa and OpenGL builds
Sam Lantinga <slouken@libsdl.org>
parents: 3685
diff changeset
197 if (SDL_GL_MakeCurrent(window, data->context) < 0) {
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
198 GLES_DestroyRenderer(renderer);
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
199 return NULL;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
200 }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
201
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
202 if (flags & SDL_RENDERER_PRESENTVSYNC) {
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
203 SDL_GL_SetSwapInterval(1);
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
204 } else {
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
205 SDL_GL_SetSwapInterval(0);
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
206 }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
207 if (SDL_GL_GetSwapInterval() > 0) {
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
208 renderer->info.flags |= SDL_RENDERER_PRESENTVSYNC;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
209 }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
210
3161
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents: 3139
diff changeset
211 #if SDL_VIDEO_DRIVER_PANDORA
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents: 3139
diff changeset
212 data->GL_OES_draw_texture_supported = SDL_FALSE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents: 3139
diff changeset
213 data->useDrawTexture = SDL_FALSE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents: 3139
diff changeset
214 #else
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
215 if (SDL_GL_ExtensionSupported("GL_OES_draw_texture")) {
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
216 data->GL_OES_draw_texture_supported = SDL_TRUE;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
217 data->useDrawTexture = SDL_TRUE;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
218 } else {
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
219 data->GL_OES_draw_texture_supported = SDL_FALSE;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
220 data->useDrawTexture = SDL_FALSE;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
221 }
3161
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents: 3139
diff changeset
222 #endif
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
223
5207
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
224 glGetIntegerv(GL_MAX_TEXTURE_SIZE, &value);
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
225 renderer->info.max_texture_width = value;
5207
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
226 glGetIntegerv(GL_MAX_TEXTURE_SIZE, &value);
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
227 renderer->info.max_texture_height = value;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
228
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
229 /* Set up parameters for rendering */
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
230 data->blendMode = -1;
5207
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
231 glDisable(GL_DEPTH_TEST);
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
232 glDisable(GL_CULL_FACE);
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
233 data->updateSize = SDL_TRUE;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
234
5207
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
235 glEnableClientState(GL_VERTEX_ARRAY);
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
236 glEnableClientState(GL_TEXTURE_COORD_ARRAY);
5053
b5b42be9333c Fixed bug #1026
Sam Lantinga <slouken@libsdl.org>
parents: 5052
diff changeset
237
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
238 return renderer;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
239 }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
240
5150
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5145
diff changeset
241 static SDL_GLContext SDL_CurrentContext = NULL;
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5145
diff changeset
242
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
243 static int
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
244 GLES_ActivateRenderer(SDL_Renderer * renderer)
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
245 {
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
246 GLES_RenderData *data = (GLES_RenderData *) renderer->driverdata;
3685
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
Sam Lantinga <slouken@libsdl.org>
parents: 3641
diff changeset
247 SDL_Window *window = renderer->window;
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
248
5150
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5145
diff changeset
249 if (SDL_CurrentContext != data->context) {
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5145
diff changeset
250 if (SDL_GL_MakeCurrent(window, data->context) < 0) {
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5145
diff changeset
251 return -1;
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5145
diff changeset
252 }
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5145
diff changeset
253 SDL_CurrentContext = data->context;
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
254 }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
255 if (data->updateSize) {
5157
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents: 5153
diff changeset
256 int w, h;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents: 5153
diff changeset
257
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents: 5153
diff changeset
258 SDL_GetWindowSize(window, &w, &h);
5207
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
259 glMatrixMode(GL_PROJECTION);
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
260 glLoadIdentity();
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
261 glMatrixMode(GL_MODELVIEW);
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
262 glLoadIdentity();
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
263 glViewport(0, 0, w, h);
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
264 glOrthof(0.0, (GLfloat) w, (GLfloat) h, 0.0, 0.0, 1.0);
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
265 data->updateSize = SDL_FALSE;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
266 }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
267 return 0;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
268 }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
269
5150
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5145
diff changeset
270 static void
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5145
diff changeset
271 GLES_WindowEvent(SDL_Renderer * renderer, const SDL_WindowEvent *event)
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
272 {
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
273 GLES_RenderData *data = (GLES_RenderData *) renderer->driverdata;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
274
5150
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5145
diff changeset
275 if (event->event == SDL_WINDOWEVENT_RESIZED) {
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5145
diff changeset
276 /* Rebind the context to the window area and update matrices */
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5145
diff changeset
277 SDL_CurrentContext = NULL;
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5145
diff changeset
278 data->updateSize = SDL_TRUE;
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5145
diff changeset
279 }
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
280 }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
281
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
282 static __inline__ int
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
283 power_of_2(int input)
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
284 {
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
285 int value = 1;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
286
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
287 while (value < input) {
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
288 value <<= 1;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
289 }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
290 return value;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
291 }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
292
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
293 static int
3139
Sam Lantinga <slouken@libsdl.org>
parents: 3122
diff changeset
294 GLES_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture)
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
295 {
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
296 GLES_RenderData *renderdata = (GLES_RenderData *) renderer->driverdata;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
297 GLES_TextureData *data;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
298 GLint internalFormat;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
299 GLenum format, type;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
300 int texture_w, texture_h;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
301 GLenum result;
3099
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 2964
diff changeset
302
5150
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5145
diff changeset
303 GLES_ActivateRenderer(renderer);
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5145
diff changeset
304
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
305 switch (texture->format) {
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
306 case SDL_PIXELFORMAT_ABGR8888:
3139
Sam Lantinga <slouken@libsdl.org>
parents: 3122
diff changeset
307 internalFormat = GL_RGBA;
Sam Lantinga <slouken@libsdl.org>
parents: 3122
diff changeset
308 format = GL_RGBA;
Sam Lantinga <slouken@libsdl.org>
parents: 3122
diff changeset
309 type = GL_UNSIGNED_BYTE;
Sam Lantinga <slouken@libsdl.org>
parents: 3122
diff changeset
310 break;
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
311 default:
5206
25ffd4e5255c Minor consistency cleanup and documentation link update.
Sam Lantinga <slouken@libsdl.org>
parents: 5204
diff changeset
312 SDL_SetError("Texture format not supported");
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
313 return -1;
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
314 }
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
315
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
316 data = (GLES_TextureData *) SDL_calloc(1, sizeof(*data));
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
317 if (!data) {
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
318 SDL_OutOfMemory();
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
319 return -1;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
320 }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
321
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
322 if (texture->access == SDL_TEXTUREACCESS_STREAMING) {
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
323 data->pitch = texture->w * SDL_BYTESPERPIXEL(texture->format);
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
324 data->pixels = SDL_malloc(texture->h * data->pitch);
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
325 if (!data->pixels) {
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
326 SDL_OutOfMemory();
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
327 SDL_free(data);
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
328 return -1;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
329 }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
330 }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
331
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
332 texture->driverdata = data;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
333
5207
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
334 glGetError();
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
335 glEnable(GL_TEXTURE_2D);
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
336 glGenTextures(1, &data->texture);
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
337
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
338 data->type = GL_TEXTURE_2D;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
339 /* no NPOV textures allowed in OpenGL ES (yet) */
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
340 texture_w = power_of_2(texture->w);
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
341 texture_h = power_of_2(texture->h);
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
342 data->texw = (GLfloat) texture->w / texture_w;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
343 data->texh = (GLfloat) texture->h / texture_h;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
344
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
345 data->format = format;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
346 data->formattype = type;
5207
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
347 glBindTexture(data->type, data->texture);
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
348 glTexParameteri(data->type, GL_TEXTURE_MIN_FILTER,
5141
da10636e5eca Making the API simpler, scaling is always defined as linear interpolation and should be supported as much as possible on all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 5053
diff changeset
349 GL_LINEAR);
5207
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
350 glTexParameteri(data->type, GL_TEXTURE_MAG_FILTER,
5141
da10636e5eca Making the API simpler, scaling is always defined as linear interpolation and should be supported as much as possible on all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 5053
diff changeset
351 GL_LINEAR);
5207
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
352 glTexParameteri(data->type, GL_TEXTURE_WRAP_S,
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
353 GL_CLAMP_TO_EDGE);
5207
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
354 glTexParameteri(data->type, GL_TEXTURE_WRAP_T,
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
355 GL_CLAMP_TO_EDGE);
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
356
5207
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
357 glTexImage2D(data->type, 0, internalFormat, texture_w,
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
358 texture_h, 0, format, type, NULL);
5207
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
359 glDisable(GL_TEXTURE_2D);
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
360
5207
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
361 result = glGetError();
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
362 if (result != GL_NO_ERROR) {
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
363 GLES_SetError("glTexImage2D()", result);
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
364 return -1;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
365 }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
366 return 0;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
367 }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
368
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
369 static int
3139
Sam Lantinga <slouken@libsdl.org>
parents: 3122
diff changeset
370 GLES_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
Sam Lantinga <slouken@libsdl.org>
parents: 3122
diff changeset
371 const SDL_Rect * rect, const void *pixels, int pitch)
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
372 {
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
373 GLES_RenderData *renderdata = (GLES_RenderData *) renderer->driverdata;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
374 GLES_TextureData *data = (GLES_TextureData *) texture->driverdata;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
375 GLenum result;
5052
4cb4b18cbae3 Fixed bug #1028
Sam Lantinga <slouken@libsdl.org>
parents: 4990
diff changeset
376 int bpp = SDL_BYTESPERPIXEL(texture->format);
4cb4b18cbae3 Fixed bug #1028
Sam Lantinga <slouken@libsdl.org>
parents: 4990
diff changeset
377 void * temp_buffer;
4cb4b18cbae3 Fixed bug #1028
Sam Lantinga <slouken@libsdl.org>
parents: 4990
diff changeset
378 void * temp_ptr;
4cb4b18cbae3 Fixed bug #1028
Sam Lantinga <slouken@libsdl.org>
parents: 4990
diff changeset
379 int i;
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
380
5150
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5145
diff changeset
381 GLES_ActivateRenderer(renderer);
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5145
diff changeset
382
5207
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
383 glGetError();
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
384 glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
385 glEnable(data->type);
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
386 glBindTexture(data->type, data->texture);
5052
4cb4b18cbae3 Fixed bug #1028
Sam Lantinga <slouken@libsdl.org>
parents: 4990
diff changeset
387
4cb4b18cbae3 Fixed bug #1028
Sam Lantinga <slouken@libsdl.org>
parents: 4990
diff changeset
388 if( rect->w * bpp == pitch ) {
4cb4b18cbae3 Fixed bug #1028
Sam Lantinga <slouken@libsdl.org>
parents: 4990
diff changeset
389 temp_buffer = (void *)pixels; /* No need to reformat */
4cb4b18cbae3 Fixed bug #1028
Sam Lantinga <slouken@libsdl.org>
parents: 4990
diff changeset
390 } else {
4cb4b18cbae3 Fixed bug #1028
Sam Lantinga <slouken@libsdl.org>
parents: 4990
diff changeset
391 /* Reformatting of mem area required */
4cb4b18cbae3 Fixed bug #1028
Sam Lantinga <slouken@libsdl.org>
parents: 4990
diff changeset
392 temp_buffer = SDL_malloc(rect->w * rect->h * bpp);
4cb4b18cbae3 Fixed bug #1028
Sam Lantinga <slouken@libsdl.org>
parents: 4990
diff changeset
393 temp_ptr = temp_buffer;
4cb4b18cbae3 Fixed bug #1028
Sam Lantinga <slouken@libsdl.org>
parents: 4990
diff changeset
394 for (i = 0; i < rect->h; i++) {
4cb4b18cbae3 Fixed bug #1028
Sam Lantinga <slouken@libsdl.org>
parents: 4990
diff changeset
395 SDL_memcpy(temp_ptr, pixels, rect->w * bpp);
4cb4b18cbae3 Fixed bug #1028
Sam Lantinga <slouken@libsdl.org>
parents: 4990
diff changeset
396 temp_ptr += rect->w * bpp;
4cb4b18cbae3 Fixed bug #1028
Sam Lantinga <slouken@libsdl.org>
parents: 4990
diff changeset
397 pixels += pitch;
4cb4b18cbae3 Fixed bug #1028
Sam Lantinga <slouken@libsdl.org>
parents: 4990
diff changeset
398 }
4cb4b18cbae3 Fixed bug #1028
Sam Lantinga <slouken@libsdl.org>
parents: 4990
diff changeset
399 }
4cb4b18cbae3 Fixed bug #1028
Sam Lantinga <slouken@libsdl.org>
parents: 4990
diff changeset
400
5207
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
401 glTexSubImage2D(data->type, 0, rect->x, rect->y, rect->w,
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
402 rect->h, data->format, data->formattype,
5052
4cb4b18cbae3 Fixed bug #1028
Sam Lantinga <slouken@libsdl.org>
parents: 4990
diff changeset
403 temp_buffer);
4cb4b18cbae3 Fixed bug #1028
Sam Lantinga <slouken@libsdl.org>
parents: 4990
diff changeset
404
4cb4b18cbae3 Fixed bug #1028
Sam Lantinga <slouken@libsdl.org>
parents: 4990
diff changeset
405 if( temp_buffer != pixels ) {
4cb4b18cbae3 Fixed bug #1028
Sam Lantinga <slouken@libsdl.org>
parents: 4990
diff changeset
406 SDL_free(temp_buffer);
4cb4b18cbae3 Fixed bug #1028
Sam Lantinga <slouken@libsdl.org>
parents: 4990
diff changeset
407 }
4cb4b18cbae3 Fixed bug #1028
Sam Lantinga <slouken@libsdl.org>
parents: 4990
diff changeset
408
5207
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
409 glDisable(data->type);
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
410 result = glGetError();
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
411 if (result != GL_NO_ERROR) {
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
412 GLES_SetError("glTexSubImage2D()", result);
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
413 return -1;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
414 }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
415 return 0;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
416 }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
417
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
418 static int
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
419 GLES_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
5159
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5157
diff changeset
420 const SDL_Rect * rect, void **pixels, int *pitch)
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
421 {
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
422 GLES_TextureData *data = (GLES_TextureData *) texture->driverdata;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
423
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
424 *pixels =
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
425 (void *) ((Uint8 *) data->pixels + rect->y * data->pitch +
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
426 rect->x * SDL_BYTESPERPIXEL(texture->format));
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
427 *pitch = data->pitch;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
428 return 0;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
429 }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
430
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
431 static void
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
432 GLES_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture)
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
433 {
5159
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5157
diff changeset
434 GLES_RenderData *renderdata = (GLES_RenderData *) renderer->driverdata;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5157
diff changeset
435 GLES_TextureData *data = (GLES_TextureData *) texture->driverdata;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5157
diff changeset
436
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5157
diff changeset
437 GLES_ActivateRenderer(renderer);
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
438
5207
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
439 glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
440 glEnable(data->type);
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
441 glBindTexture(data->type, data->texture);
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
442 glTexSubImage2D(data->type, 0, 0, 0, texture->w,
5159
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5157
diff changeset
443 texture->h, data->format, data->formattype,
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5157
diff changeset
444 data->pixels);
5207
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
445 glDisable(data->type);
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
446 }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
447
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
448 static void
5229
2178ffe17222 Added function SDL_RenderSetClipRect()
Sam Lantinga <slouken@libsdl.org>
parents: 5212
diff changeset
449 GLES_SetClipRect(SDL_Renderer * renderer, const SDL_Rect * rect)
2178ffe17222 Added function SDL_RenderSetClipRect()
Sam Lantinga <slouken@libsdl.org>
parents: 5212
diff changeset
450 {
2178ffe17222 Added function SDL_RenderSetClipRect()
Sam Lantinga <slouken@libsdl.org>
parents: 5212
diff changeset
451 GL_ActivateRenderer(renderer);
2178ffe17222 Added function SDL_RenderSetClipRect()
Sam Lantinga <slouken@libsdl.org>
parents: 5212
diff changeset
452
2178ffe17222 Added function SDL_RenderSetClipRect()
Sam Lantinga <slouken@libsdl.org>
parents: 5212
diff changeset
453 if (rect) {
2178ffe17222 Added function SDL_RenderSetClipRect()
Sam Lantinga <slouken@libsdl.org>
parents: 5212
diff changeset
454 int w, h;
2178ffe17222 Added function SDL_RenderSetClipRect()
Sam Lantinga <slouken@libsdl.org>
parents: 5212
diff changeset
455
2178ffe17222 Added function SDL_RenderSetClipRect()
Sam Lantinga <slouken@libsdl.org>
parents: 5212
diff changeset
456 SDL_GetWindowSize(renderer->window, &w, &h);
2178ffe17222 Added function SDL_RenderSetClipRect()
Sam Lantinga <slouken@libsdl.org>
parents: 5212
diff changeset
457 glScissor(rect->x, (h-(rect->y+rect->h)), rect->w, rect->h);
2178ffe17222 Added function SDL_RenderSetClipRect()
Sam Lantinga <slouken@libsdl.org>
parents: 5212
diff changeset
458 glEnable(GL_SCISSOR_TEST);
2178ffe17222 Added function SDL_RenderSetClipRect()
Sam Lantinga <slouken@libsdl.org>
parents: 5212
diff changeset
459 } else {
2178ffe17222 Added function SDL_RenderSetClipRect()
Sam Lantinga <slouken@libsdl.org>
parents: 5212
diff changeset
460 glDisable(GL_SCISSOR_TEST);
2178ffe17222 Added function SDL_RenderSetClipRect()
Sam Lantinga <slouken@libsdl.org>
parents: 5212
diff changeset
461 }
2178ffe17222 Added function SDL_RenderSetClipRect()
Sam Lantinga <slouken@libsdl.org>
parents: 5212
diff changeset
462 }
2178ffe17222 Added function SDL_RenderSetClipRect()
Sam Lantinga <slouken@libsdl.org>
parents: 5212
diff changeset
463
2178ffe17222 Added function SDL_RenderSetClipRect()
Sam Lantinga <slouken@libsdl.org>
parents: 5212
diff changeset
464 static void
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 5141
diff changeset
465 GLES_SetBlendMode(GLES_RenderData * data, int blendMode)
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
466 {
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
467 if (blendMode != data->blendMode) {
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
468 switch (blendMode) {
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
469 case SDL_BLENDMODE_NONE:
5207
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
470 glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
471 glDisable(GL_BLEND);
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
472 break;
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
473 case SDL_BLENDMODE_BLEND:
5207
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
474 glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
475 glEnable(GL_BLEND);
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
476 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
477 break;
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
478 case SDL_BLENDMODE_ADD:
5207
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
479 glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
480 glEnable(GL_BLEND);
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
481 glBlendFunc(GL_SRC_ALPHA, GL_ONE);
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
482 break;
5187
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME
Sam Lantinga <slouken@libsdl.org>
parents: 5169
diff changeset
483 case SDL_BLENDMODE_MOD:
5207
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
484 glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
485 glEnable(GL_BLEND);
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
486 glBlendFunc(GL_ZERO, GL_SRC_COLOR);
5187
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME
Sam Lantinga <slouken@libsdl.org>
parents: 5169
diff changeset
487 break;
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
488 }
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
489 data->blendMode = blendMode;
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
490 }
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
491 }
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
492
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
493 static int
3641
1e2e19d51265 Fixed iPhone build
Sam Lantinga <slouken@libsdl.org>
parents: 3547
diff changeset
494 GLES_RenderDrawPoints(SDL_Renderer * renderer, const SDL_Point * points,
1e2e19d51265 Fixed iPhone build
Sam Lantinga <slouken@libsdl.org>
parents: 3547
diff changeset
495 int count)
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
496 {
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
497 GLES_RenderData *data = (GLES_RenderData *) renderer->driverdata;
3547
8b18669c2663 Fixed building on iPhone
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
498 int i;
8b18669c2663 Fixed building on iPhone
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
499 GLshort *vertices;
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
500
5150
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5145
diff changeset
501 GLES_ActivateRenderer(renderer);
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5145
diff changeset
502
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 5141
diff changeset
503 GLES_SetBlendMode(data, renderer->blendMode);
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
504
5207
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
505 glColor4f((GLfloat) renderer->r * inv255f,
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
506 (GLfloat) renderer->g * inv255f,
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
507 (GLfloat) renderer->b * inv255f,
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
508 (GLfloat) renderer->a * inv255f);
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
509
3547
8b18669c2663 Fixed building on iPhone
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
510 vertices = SDL_stack_alloc(GLshort, count*2);
8b18669c2663 Fixed building on iPhone
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
511 for (i = 0; i < count; ++i) {
8b18669c2663 Fixed building on iPhone
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
512 vertices[2*i+0] = (GLshort)points[i].x;
8b18669c2663 Fixed building on iPhone
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
513 vertices[2*i+1] = (GLshort)points[i].y;
8b18669c2663 Fixed building on iPhone
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
514 }
5207
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
515 glVertexPointer(2, GL_SHORT, 0, vertices);
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
516 glDrawArrays(GL_POINTS, 0, count);
3547
8b18669c2663 Fixed building on iPhone
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
517 SDL_stack_free(vertices);
2964
Sam Lantinga <slouken@libsdl.org>
parents: 2949
diff changeset
518
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
519 return 0;
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
520 }
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
521
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
522 static int
3641
1e2e19d51265 Fixed iPhone build
Sam Lantinga <slouken@libsdl.org>
parents: 3547
diff changeset
523 GLES_RenderDrawLines(SDL_Renderer * renderer, const SDL_Point * points,
1e2e19d51265 Fixed iPhone build
Sam Lantinga <slouken@libsdl.org>
parents: 3547
diff changeset
524 int count)
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
525 {
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
526 GLES_RenderData *data = (GLES_RenderData *) renderer->driverdata;
3547
8b18669c2663 Fixed building on iPhone
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
527 int i;
8b18669c2663 Fixed building on iPhone
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
528 GLshort *vertices;
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
529
5150
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5145
diff changeset
530 GLES_ActivateRenderer(renderer);
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5145
diff changeset
531
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 5141
diff changeset
532 GLES_SetBlendMode(data, renderer->blendMode);
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
533
5207
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
534 glColor4f((GLfloat) renderer->r * inv255f,
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
535 (GLfloat) renderer->g * inv255f,
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
536 (GLfloat) renderer->b * inv255f,
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
537 (GLfloat) renderer->a * inv255f);
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
538
3547
8b18669c2663 Fixed building on iPhone
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
539 vertices = SDL_stack_alloc(GLshort, count*2);
8b18669c2663 Fixed building on iPhone
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
540 for (i = 0; i < count; ++i) {
8b18669c2663 Fixed building on iPhone
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
541 vertices[2*i+0] = (GLshort)points[i].x;
8b18669c2663 Fixed building on iPhone
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
542 vertices[2*i+1] = (GLshort)points[i].y;
8b18669c2663 Fixed building on iPhone
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
543 }
5207
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
544 glVertexPointer(2, GL_SHORT, 0, vertices);
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
545 if (count > 2 &&
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
546 points[0].x == points[count-1].x && points[0].y == points[count-1].y) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
547 /* GL_LINE_LOOP takes care of the final segment */
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
548 --count;
5207
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
549 glDrawArrays(GL_LINE_LOOP, 0, count);
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
550 } else {
5207
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
551 glDrawArrays(GL_LINE_STRIP, 0, count);
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
552 }
3547
8b18669c2663 Fixed building on iPhone
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
553 SDL_stack_free(vertices);
2949
4eabc35fbb4a Modified OpenGL ES render driver to support new SDL_RenderFill, SDL_RenderLine, and SDL_RenderPoint.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents: 2937
diff changeset
554
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
555 return 0;
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
556 }
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
557
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
558 static int
3641
1e2e19d51265 Fixed iPhone build
Sam Lantinga <slouken@libsdl.org>
parents: 3547
diff changeset
559 GLES_RenderFillRects(SDL_Renderer * renderer, const SDL_Rect ** rects,
1e2e19d51265 Fixed iPhone build
Sam Lantinga <slouken@libsdl.org>
parents: 3547
diff changeset
560 int count)
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
561 {
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
562 GLES_RenderData *data = (GLES_RenderData *) renderer->driverdata;
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
563 int i;
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
564
5150
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5145
diff changeset
565 GLES_ActivateRenderer(renderer);
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5145
diff changeset
566
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 5141
diff changeset
567 GLES_SetBlendMode(data, renderer->blendMode);
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
568
5207
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
569 glColor4f((GLfloat) renderer->r * inv255f,
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
570 (GLfloat) renderer->g * inv255f,
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
571 (GLfloat) renderer->b * inv255f,
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
572 (GLfloat) renderer->a * inv255f);
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
573
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
574 for (i = 0; i < count; ++i) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
575 const SDL_Rect *rect = rects[i];
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
576 GLshort minx = rect->x;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
577 GLshort maxx = rect->x + rect->w;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
578 GLshort miny = rect->y;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
579 GLshort maxy = rect->y + rect->h;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
580 GLshort vertices[8];
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
581 vertices[0] = minx;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
582 vertices[1] = miny;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
583 vertices[2] = maxx;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
584 vertices[3] = miny;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
585 vertices[4] = minx;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
586 vertices[5] = maxy;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
587 vertices[6] = maxx;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
588 vertices[7] = maxy;
2964
Sam Lantinga <slouken@libsdl.org>
parents: 2949
diff changeset
589
5207
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
590 glVertexPointer(2, GL_SHORT, 0, vertices);
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
591 glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
592 }
2949
4eabc35fbb4a Modified OpenGL ES render driver to support new SDL_RenderFill, SDL_RenderLine, and SDL_RenderPoint.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents: 2937
diff changeset
593
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
594 return 0;
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
595 }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
596
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
597 static int
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
598 GLES_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
599 const SDL_Rect * srcrect, const SDL_Rect * dstrect)
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
600 {
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
601
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
602 GLES_RenderData *data = (GLES_RenderData *) renderer->driverdata;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
603 GLES_TextureData *texturedata = (GLES_TextureData *) texture->driverdata;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
604 int minx, miny, maxx, maxy;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
605 GLfloat minu, maxu, minv, maxv;
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
606 int i;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
607 void *temp_buffer; /* used for reformatting dirty rect pixels */
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
608 void *temp_ptr;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
609
5150
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5145
diff changeset
610 GLES_ActivateRenderer(renderer);
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5145
diff changeset
611
5207
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
612 glEnable(GL_TEXTURE_2D);
3122
6c98826d88b0 OpenGL ES renderer state fixes. Now GL_TEXTURE_2D is not enabled by default.
Mike Gorchak <lestat@i.com.ua>
parents: 3099
diff changeset
613
5207
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
614 glBindTexture(texturedata->type, texturedata->texture);
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
615
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
616 if (texture->modMode) {
5207
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
617 glColor4f((GLfloat) texture->r * inv255f,
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
618 (GLfloat) texture->g * inv255f,
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
619 (GLfloat) texture->b * inv255f,
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
620 (GLfloat) texture->a * inv255f);
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
621 } else {
5207
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
622 glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
623 }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
624
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 5141
diff changeset
625 GLES_SetBlendMode(data, texture->blendMode);
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
626
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
627 if (data->GL_OES_draw_texture_supported && data->useDrawTexture) {
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
628 /* this code is a little funny because the viewport is upside down vs SDL's coordinate system */
5157
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents: 5153
diff changeset
629 GLint cropRect[4];
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents: 5153
diff changeset
630 int w, h;
3685
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
Sam Lantinga <slouken@libsdl.org>
parents: 3641
diff changeset
631 SDL_Window *window = renderer->window;
5157
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents: 5153
diff changeset
632
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents: 5153
diff changeset
633 SDL_GetWindowSize(window, &w, &h);
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
634 cropRect[0] = srcrect->x;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
635 cropRect[1] = srcrect->y + srcrect->h;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
636 cropRect[2] = srcrect->w;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
637 cropRect[3] = -srcrect->h;
5207
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
638 glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES,
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
639 cropRect);
5207
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
640 glDrawTexiOES(dstrect->x, h - dstrect->y - dstrect->h, 0,
5157
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents: 5153
diff changeset
641 dstrect->w, dstrect->h);
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
642 } else {
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
643
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
644 minx = dstrect->x;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
645 miny = dstrect->y;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
646 maxx = dstrect->x + dstrect->w;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
647 maxy = dstrect->y + dstrect->h;
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
648
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
649 minu = (GLfloat) srcrect->x / texture->w;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
650 minu *= texturedata->texw;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
651 maxu = (GLfloat) (srcrect->x + srcrect->w) / texture->w;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
652 maxu *= texturedata->texw;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
653 minv = (GLfloat) srcrect->y / texture->h;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
654 minv *= texturedata->texh;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
655 maxv = (GLfloat) (srcrect->y + srcrect->h) / texture->h;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
656 maxv *= texturedata->texh;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
657
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
658 GLshort vertices[8];
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
659 GLfloat texCoords[8];
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
660
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
661 vertices[0] = minx;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
662 vertices[1] = miny;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
663 vertices[2] = maxx;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
664 vertices[3] = miny;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
665 vertices[4] = minx;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
666 vertices[5] = maxy;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
667 vertices[6] = maxx;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
668 vertices[7] = maxy;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
669
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
670 texCoords[0] = minu;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
671 texCoords[1] = minv;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
672 texCoords[2] = maxu;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
673 texCoords[3] = minv;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
674 texCoords[4] = minu;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
675 texCoords[5] = maxv;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
676 texCoords[6] = maxu;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
677 texCoords[7] = maxv;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
678
5207
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
679 glVertexPointer(2, GL_SHORT, 0, vertices);
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
680 glTexCoordPointer(2, GL_FLOAT, 0, texCoords);
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
681 glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
3122
6c98826d88b0 OpenGL ES renderer state fixes. Now GL_TEXTURE_2D is not enabled by default.
Mike Gorchak <lestat@i.com.ua>
parents: 3099
diff changeset
682 }
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
683
5207
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5206
diff changeset
684 glDisable(GL_TEXTURE_2D);
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
685
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
686 return 0;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
687 }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
688
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
689 static void
3139
Sam Lantinga <slouken@libsdl.org>
parents: 3122
diff changeset
690 GLES_RenderPresent(SDL_Renderer * renderer)
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
691 {
5150
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5145
diff changeset
692 GLES_ActivateRenderer(renderer);
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5145
diff changeset
693
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
694 SDL_GL_SwapWindow(renderer->window);
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
695 }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
696
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
697 static void
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
698 GLES_DestroyTexture(SDL_Renderer * renderer, SDL_Texture * texture)
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
699 {
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
700 GLES_TextureData *data = (GLES_TextureData *) texture->driverdata;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
701
5150
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5145
diff changeset
702 GLES_ActivateRenderer(renderer);
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5145
diff changeset
703
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
704 if (!data) {
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
705 return;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
706 }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
707 if (data->texture) {
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
708 glDeleteTextures(1, &data->texture);
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
709 }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
710 if (data->pixels) {
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
711 SDL_free(data->pixels);
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
712 }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
713 SDL_free(data);
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
714 texture->driverdata = NULL;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
715 }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
716
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
717 static void
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
718 GLES_DestroyRenderer(SDL_Renderer * renderer)
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
719 {
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
720 GLES_RenderData *data = (GLES_RenderData *) renderer->driverdata;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
721
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
722 if (data) {
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
723 if (data->context) {
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
724 SDL_GL_DeleteContext(data->context);
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
725 }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
726 SDL_free(data);
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
727 }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
728 SDL_free(renderer);
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
729 }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
730
3099
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 2964
diff changeset
731 #endif /* SDL_VIDEO_RENDER_OGL_ES */
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
732
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
733 /* vi: set ts=4 sw=4 expandtab: */