annotate src/video/nds/SDL_ndsrender.c @ 3469:8c5fb2a3b11d

RenderReadPixels and RenderWritePixels functions work with back buffer now and all asynchronous operations are flushed before reading or writing to backbuffer. Thanks Sam for clarification of this.
author Mike Gorchak <lestat@i.com.ua>
date Sat, 21 Nov 2009 06:17:50 +0000
parents 7f684f249ec9
children 64ce267332c6
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2009 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Lesser General Public License for more details.
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14
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15 You should have received a copy of the GNU Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22
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23 #include <stdio.h>
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24 #include <stdlib.h>
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25 #include <nds.h>
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26 //#include <nds/arm9/video.h>
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27 //#include <nds/arm9/sprite.h>
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28 //#include <nds/arm9/trig_lut.h>
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29
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30 #include "SDL_config.h"
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31
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32 #include "SDL_video.h"
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33 #include "../SDL_sysvideo.h"
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34 #include "../SDL_yuv_sw_c.h"
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35 #include "../SDL_renderer_sw.h"
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36
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37 /* SDL NDS renderer implementation */
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38
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39 static SDL_Renderer *NDS_CreateRenderer(SDL_Window * window, Uint32 flags);
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40 static int NDS_ActivateRenderer(SDL_Renderer * renderer);
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41 static int NDS_DisplayModeChanged(SDL_Renderer * renderer);
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42 static int NDS_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture);
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43 static int NDS_QueryTexturePixels(SDL_Renderer * renderer,
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44 SDL_Texture * texture, void **pixels,
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45 int *pitch);
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46 static int NDS_SetTexturePalette(SDL_Renderer * renderer,
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47 SDL_Texture * texture,
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48 const SDL_Color * colors, int firstcolor,
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49 int ncolors);
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50 static int NDS_GetTexturePalette(SDL_Renderer * renderer,
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51 SDL_Texture * texture, SDL_Color * colors,
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52 int firstcolor, int ncolors);
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53 static int NDS_SetTextureColorMod(SDL_Renderer * renderer,
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54 SDL_Texture * texture);
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55 static int NDS_SetTextureAlphaMod(SDL_Renderer * renderer,
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56 SDL_Texture * texture);
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57 static int NDS_SetTextureBlendMode(SDL_Renderer * renderer,
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58 SDL_Texture * texture);
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59 static int NDS_SetTextureScaleMode(SDL_Renderer * renderer,
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60 SDL_Texture * texture);
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61 static int NDS_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
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62 const SDL_Rect * rect, const void *pixels,
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63 int pitch);
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64 static int NDS_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
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65 const SDL_Rect * rect, int markDirty,
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66 void **pixels, int *pitch);
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67 static void NDS_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture);
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68 static int NDS_RenderFill(SDL_Renderer * renderer, Uint8 r, Uint8 g,
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69 Uint8 b, Uint8 a, const SDL_Rect * rect);
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70 static int NDS_RenderCopy(SDL_Renderer * renderer,
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71 SDL_Texture * texture,
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72 const SDL_Rect * srcrect, const SDL_Rect * dstrect);
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73 static void NDS_RenderPresent(SDL_Renderer * renderer);
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74 static void NDS_DestroyTexture(SDL_Renderer * renderer,
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75 SDL_Texture * texture);
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76 static void NDS_DestroyRenderer(SDL_Renderer * renderer);
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77
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78
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79 SDL_RenderDriver NDS_RenderDriver = {
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80 NDS_CreateRenderer,
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81 {"nds", /* char* name */
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82 (SDL_RENDERER_SINGLEBUFFER | SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTDISCARD | SDL_RENDERER_PRESENTVSYNC), /* u32 flags */
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83 (SDL_TEXTUREMODULATE_NONE), /* u32 mod_modes */
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84 (SDL_BLENDMODE_MASK), /* u32 blend_modes */
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85 (SDL_TEXTURESCALEMODE_FAST), /* u32 scale_modes */
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86 3, /* u32 num_texture_formats */
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87 {
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88 SDL_PIXELFORMAT_INDEX8,
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89 SDL_PIXELFORMAT_ABGR1555,
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90 SDL_PIXELFORMAT_BGR555,
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91 }, /* u32 texture_formats[20] */
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92 (256), /* int max_texture_width */
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93 (256), /* int max_texture_height */
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94 }
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95 };
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96
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97 typedef struct
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98 {
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99 u8 bg_taken[4];
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100 OamState *oam;
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101 int sub;
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102 } NDS_RenderData;
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103
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104 typedef struct
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105 {
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106 enum
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107 { NDSTX_BG, NDSTX_SPR } type; /* represented in a bg or sprite. */
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108 int hw_index; /* index of sprite in OAM or bg from libnds */
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109 int pitch, bpp; /* useful information about the texture */
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110 struct
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111 {
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112 int x, y;
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113 } scale; /* x/y stretch (24.8 fixed point) */
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114 struct
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115 {
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116 int x, y;
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117 } scroll; /* x/y offset */
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118 int rotate; /* -32768 to 32767, texture rotation */
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119 u16 *vram_pixels; /* where the pixel data is stored (a pointer into VRAM) */
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120 u16 *vram_palette; /* where the palette data is stored if it's indexed. */
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121 /*int size; */
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122 } NDS_TextureData;
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123
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124
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125
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126 SDL_Renderer *
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127 NDS_CreateRenderer(SDL_Window * window, Uint32 flags)
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128 {
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129 SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
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130 SDL_DisplayMode *displayMode = &display->current_mode;
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131 SDL_Renderer *renderer;
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132 NDS_RenderData *data;
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133 int i, n;
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134 int bpp;
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135 Uint32 Rmask, Gmask, Bmask, Amask;
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136
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137 if (!SDL_PixelFormatEnumToMasks(displayMode->format, &bpp,
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138 &Rmask, &Gmask, &Bmask, &Amask)) {
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139 SDL_SetError("Unknown display format");
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140 return NULL;
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141 }
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142 switch (displayMode->format) {
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143 case SDL_PIXELFORMAT_INDEX8:
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parents:
diff changeset
144 case SDL_PIXELFORMAT_ABGR1555:
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
145 case SDL_PIXELFORMAT_BGR555:
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
146 /* okay */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
147 break;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
148 case SDL_PIXELFORMAT_RGB555:
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
149 case SDL_PIXELFORMAT_RGB565:
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
150 case SDL_PIXELFORMAT_ARGB1555:
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
151 /* we'll take these too for now */
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parents:
diff changeset
152 break;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
153 default:
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
154 SDL_SetError("Warning: wrong display format for NDS!\n");
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
155 break;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
156 }
204be4fc2726 Final merge of Google Summer of Code 2008 work...
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parents:
diff changeset
157
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parents:
diff changeset
158 renderer = (SDL_Renderer *) SDL_calloc(1, sizeof(*renderer));
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parents:
diff changeset
159 if (!renderer) {
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parents:
diff changeset
160 SDL_OutOfMemory();
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parents:
diff changeset
161 return NULL;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
162 }
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
163
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parents:
diff changeset
164 data = (NDS_RenderData *) SDL_malloc(sizeof(*data));
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parents:
diff changeset
165 if (!data) {
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parents:
diff changeset
166 NDS_DestroyRenderer(renderer);
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parents:
diff changeset
167 SDL_OutOfMemory();
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parents:
diff changeset
168 return NULL;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
169 }
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parents:
diff changeset
170 SDL_zerop(data);
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parents:
diff changeset
171
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parents:
diff changeset
172 renderer->RenderFill = NDS_RenderFill;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
173 renderer->RenderCopy = NDS_RenderCopy;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
174 renderer->RenderPresent = NDS_RenderPresent;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
175 renderer->DestroyRenderer = NDS_DestroyRenderer;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
176 renderer->info.name = NDS_RenderDriver.info.name;
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parents:
diff changeset
177 renderer->info.flags = 0;
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parents:
diff changeset
178 renderer->window = window->id;
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parents:
diff changeset
179 renderer->driverdata = data;
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parents:
diff changeset
180 renderer->CreateTexture = NDS_CreateTexture;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
181 renderer->QueryTexturePixels = NDS_QueryTexturePixels;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
182 renderer->SetTexturePalette = NDS_SetTexturePalette;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
183 renderer->GetTexturePalette = NDS_GetTexturePalette;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
184 renderer->SetTextureColorMod = NDS_SetTextureColorMod;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
185 renderer->SetTextureAlphaMod = NDS_SetTextureAlphaMod;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
186 renderer->SetTextureBlendMode = NDS_SetTextureBlendMode;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
187 renderer->SetTextureScaleMode = NDS_SetTextureScaleMode;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
188 renderer->UpdateTexture = NDS_UpdateTexture;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
189 renderer->LockTexture = NDS_LockTexture;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
190 renderer->UnlockTexture = NDS_UnlockTexture;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
191 renderer->DestroyTexture = NDS_DestroyTexture;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
192
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parents:
diff changeset
193 renderer->info.mod_modes = NDS_RenderDriver.info.mod_modes;
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parents:
diff changeset
194 renderer->info.blend_modes = NDS_RenderDriver.info.blend_modes;
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parents:
diff changeset
195 renderer->info.scale_modes = NDS_RenderDriver.info.scale_modes;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
196 renderer->info.num_texture_formats =
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
197 NDS_RenderDriver.info.num_texture_formats;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
198 SDL_memcpy(renderer->info.texture_formats,
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
199 NDS_RenderDriver.info.texture_formats,
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
200 sizeof(renderer->info.texture_formats));
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
201 renderer->info.max_texture_width =
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
202 NDS_RenderDriver.info.max_texture_width;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
203 renderer->info.max_texture_height =
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
204 NDS_RenderDriver.info.max_texture_height;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
205
3139
Sam Lantinga <slouken@libsdl.org>
parents: 3073
diff changeset
206 data->sub = 0; /* TODO: this is hard-coded to the "main" screen.
Sam Lantinga <slouken@libsdl.org>
parents: 3073
diff changeset
207 figure out how to detect whether to set it to
Sam Lantinga <slouken@libsdl.org>
parents: 3073
diff changeset
208 "sub" screen. window->id, perhaps? */
2735
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
209 data->bg_taken[2] = data->bg_taken[3] = 0;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
210
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parents:
diff changeset
211 return renderer;
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parents:
diff changeset
212 }
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
213
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
214 static int
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parents:
diff changeset
215 NDS_ActivateRenderer(SDL_Renderer * renderer)
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
216 {
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parents:
diff changeset
217 NDS_RenderData *data = (NDS_RenderData *) renderer->driverdata;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
218
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parents:
diff changeset
219 return 0;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
220 }
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
221
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
222 static int
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
223 NDS_DisplayModeChanged(SDL_Renderer * renderer)
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
224 {
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parents:
diff changeset
225 NDS_RenderData *data = (NDS_RenderData *) renderer->driverdata;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
226
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
227 return 0;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
228 }
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
229
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
230 static int
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
231 NDS_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture)
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
232 {
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parents:
diff changeset
233 NDS_RenderData *data = (NDS_RenderData *) renderer->driverdata;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
234 NDS_TextureData *txdat = NULL;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
235 int i;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
236 int bpp;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
237 Uint32 Rmask, Gmask, Bmask, Amask;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
238
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
239 if (!SDL_PixelFormatEnumToMasks
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
240 (texture->format, &bpp, &Rmask, &Gmask, &Bmask, &Amask)) {
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
241 SDL_SetError("Unknown texture format");
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
242 return -1;
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
243 }
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
244
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
245 /* conditional statements on w/h to place it as bg/sprite
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
246 depending on which one it fits. */
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
247 if (texture->w <= 64 && texture->h <= 64) {
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
248 int whichspr = -1;
3073
c5280d33c32a NDS compiles again, but may not yet work. Sprite support has been removed for the time being while it is re-worked.
Darren Alton <dalton@stevens.edu>
parents: 2884
diff changeset
249 printf("NDS_CreateTexture: Tried to make a sprite.\n");
2735
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
250 txdat->type = NDSTX_SPR;
3073
c5280d33c32a NDS compiles again, but may not yet work. Sprite support has been removed for the time being while it is re-worked.
Darren Alton <dalton@stevens.edu>
parents: 2884
diff changeset
251 #if 0
2735
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
252 for (i = 0; i < SPRITE_COUNT; ++i) {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
253 if (data->oam_copy.spriteBuffer[i].attribute[0] & ATTR0_DISABLED) {
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
254 whichspr = i;
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
255 break;
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
256 }
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
257 }
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
258 if (whichspr >= 0) {
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
259 SpriteEntry *sprent = &(data->oam_copy.spriteBuffer[whichspr]);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
260 int maxside = texture->w > texture->h ? texture->w : texture->h;
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
261 int pitch;
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
262
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
263 texture->driverdata = SDL_calloc(1, sizeof(NDS_TextureData));
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
264 txdat = (NDS_TextureData *) texture->driverdata;
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
265 if (!txdat) {
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
266 SDL_OutOfMemory();
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
267 return -1;
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
268 }
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
269
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
270 sprent->objMode = OBJMODE_BITMAP;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
271 sprent->posX = 0;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
272 sprent->posY = 0;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
273 sprent->colMode = OBJCOLOR_16; /* OBJCOLOR_256 for INDEX8 */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
274
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
275 /* the first 32 sprites get transformation matrices.
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
276 first come, first served */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
277 if (whichspr < MATRIX_COUNT) {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
278 sprent->isRotoscale = 1;
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
279 sprent->rsMatrixIdx = whichspr;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
280 }
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
281
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
282 /* containing shape (square or 2:1 rectangles) */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
283 sprent->objShape = OBJSHAPE_SQUARE;
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
284 if (texture->w / 2 >= texture->h) {
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
285 sprent->objShape = OBJSHAPE_WIDE;
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
286 } else if (texture->h / 2 >= texture->w) {
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
287 sprent->objShape = OBJSHAPE_TALL;
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
288 }
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
289
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
290 /* size in pixels */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
291 /* FIXME: "pitch" is hardcoded for 2bytes per pixel. */
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diff changeset
292 sprent->objSize = OBJSIZE_64;
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diff changeset
293 pitch = 128;
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parents:
diff changeset
294 if (maxside <= 8) {
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diff changeset
295 sprent->objSize = OBJSIZE_8;
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diff changeset
296 pitch = 16;
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diff changeset
297 } else if (maxside <= 16) {
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diff changeset
298 sprent->objSize = OBJSIZE_16;
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diff changeset
299 pitch = 32;
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diff changeset
300 } else if (maxside <= 32) {
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diff changeset
301 sprent->objSize = OBJSIZE_32;
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302 pitch = 64;
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303 }
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parents:
diff changeset
304
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parents:
diff changeset
305 /* FIXME: this is hard-coded and will obviously only work for one
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diff changeset
306 sprite-texture. tells it to look at the beginning of SPRITE_GFX
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parents:
diff changeset
307 for its pixels. */
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parents:
diff changeset
308 sprent->tileIdx = 0;
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parents:
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309
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parents:
diff changeset
310 /* now for the texture data */
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diff changeset
311 txdat->type = NDSTX_SPR;
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diff changeset
312 txdat->hw_index = whichspr;
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diff changeset
313 txdat->dim.hdx = 0x100;
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diff changeset
314 txdat->dim.hdy = 0;
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diff changeset
315 txdat->dim.vdx = 0;
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diff changeset
316 txdat->dim.vdy = 0x100;
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diff changeset
317 txdat->dim.pitch = pitch;
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318 txdat->dim.bpp = bpp;
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319 txdat->vram_pixels =
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320 (u16 *) (data->sub ? SPRITE_GFX_SUB : SPRITE_GFX);
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321 /* FIXME: use tileIdx*boundary
3139
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322 to point to proper location */
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323 } else {
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324 SDL_SetError("Out of NDS sprites.");
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325 }
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326 #endif
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327 } else if (texture->w <= 256 && texture->h <= 256) {
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328 int whichbg = -1, base = 0;
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parents:
diff changeset
329 if (!data->bg_taken[2]) {
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parents:
diff changeset
330 whichbg = 2;
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parents:
diff changeset
331 } else if (!data->bg_taken[3]) {
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parents:
diff changeset
332 whichbg = 3;
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parents:
diff changeset
333 base = 4;
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parents:
diff changeset
334 }
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parents:
diff changeset
335 if (whichbg >= 0) {
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parents:
diff changeset
336 texture->driverdata = SDL_calloc(1, sizeof(NDS_TextureData));
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337 txdat = (NDS_TextureData *) texture->driverdata;
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parents:
diff changeset
338 if (!txdat) {
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parents:
diff changeset
339 SDL_OutOfMemory();
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340 return -1;
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341 }
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c5280d33c32a NDS compiles again, but may not yet work. Sprite support has been removed for the time being while it is re-worked.
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diff changeset
342 // hard-coded for 256x256 for now...
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343 // TODO: a series of if-elseif-else's to find the closest but larger size.
3139
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344 if (!data->sub) {
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345 if (bpp == 8) {
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346 txdat->hw_index =
Sam Lantinga <slouken@libsdl.org>
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diff changeset
347 bgInit(whichbg, BgType_Bmp8, BgSize_B8_256x256, 0, 0);
3073
c5280d33c32a NDS compiles again, but may not yet work. Sprite support has been removed for the time being while it is re-worked.
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348 } else {
3139
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349 txdat->hw_index =
Sam Lantinga <slouken@libsdl.org>
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diff changeset
350 bgInit(whichbg, BgType_Bmp16, BgSize_B16_256x256, 0,
Sam Lantinga <slouken@libsdl.org>
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351 0);
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352 }
c5280d33c32a NDS compiles again, but may not yet work. Sprite support has been removed for the time being while it is re-worked.
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353 } else {
3139
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diff changeset
354 if (bpp == 8) {
Sam Lantinga <slouken@libsdl.org>
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diff changeset
355 txdat->hw_index =
Sam Lantinga <slouken@libsdl.org>
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diff changeset
356 bgInitSub(whichbg, BgType_Bmp8, BgSize_B8_256x256, 0,
Sam Lantinga <slouken@libsdl.org>
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diff changeset
357 0);
3073
c5280d33c32a NDS compiles again, but may not yet work. Sprite support has been removed for the time being while it is re-worked.
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diff changeset
358 } else {
3139
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diff changeset
359 txdat->hw_index =
Sam Lantinga <slouken@libsdl.org>
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diff changeset
360 bgInitSub(whichbg, BgType_Bmp16, BgSize_B16_256x256,
Sam Lantinga <slouken@libsdl.org>
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diff changeset
361 0, 0);
3073
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362 }
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363 }
2735
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364
3073
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diff changeset
365 /* useful functions
c5280d33c32a NDS compiles again, but may not yet work. Sprite support has been removed for the time being while it is re-worked.
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366 bgGetGfxPtr(bg3);
c5280d33c32a NDS compiles again, but may not yet work. Sprite support has been removed for the time being while it is re-worked.
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367 bgSetCenter(bg3, rcX, rcY);
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368 bgSetRotateScale(bg3, angle, scaleX, scaleY);
c5280d33c32a NDS compiles again, but may not yet work. Sprite support has been removed for the time being while it is re-worked.
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diff changeset
369 bgSetScroll(bg3, scrollX, scrollY);
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diff changeset
370 bgUpdate(bg3);
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diff changeset
371 */
2735
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diff changeset
372 txdat->type = NDSTX_BG;
3139
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diff changeset
373 txdat->pitch = (texture->w) * (bpp / 8);
3073
c5280d33c32a NDS compiles again, but may not yet work. Sprite support has been removed for the time being while it is re-worked.
Darren Alton <dalton@stevens.edu>
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diff changeset
374 txdat->bpp = bpp;
c5280d33c32a NDS compiles again, but may not yet work. Sprite support has been removed for the time being while it is re-worked.
Darren Alton <dalton@stevens.edu>
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diff changeset
375 txdat->rotate = 0;
c5280d33c32a NDS compiles again, but may not yet work. Sprite support has been removed for the time being while it is re-worked.
Darren Alton <dalton@stevens.edu>
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diff changeset
376 txdat->scale.x = 0x100;
c5280d33c32a NDS compiles again, but may not yet work. Sprite support has been removed for the time being while it is re-worked.
Darren Alton <dalton@stevens.edu>
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diff changeset
377 txdat->scale.y = 0x100;
c5280d33c32a NDS compiles again, but may not yet work. Sprite support has been removed for the time being while it is re-worked.
Darren Alton <dalton@stevens.edu>
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diff changeset
378 txdat->scroll.x = 0;
c5280d33c32a NDS compiles again, but may not yet work. Sprite support has been removed for the time being while it is re-worked.
Darren Alton <dalton@stevens.edu>
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diff changeset
379 txdat->scroll.y = 0;
3139
Sam Lantinga <slouken@libsdl.org>
parents: 3073
diff changeset
380 txdat->vram_pixels = (u16 *) bgGetGfxPtr(txdat->hw_index);
2735
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parents:
diff changeset
381
3073
c5280d33c32a NDS compiles again, but may not yet work. Sprite support has been removed for the time being while it is re-worked.
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diff changeset
382 bgSetCenter(txdat->hw_index, 0, 0);
c5280d33c32a NDS compiles again, but may not yet work. Sprite support has been removed for the time being while it is re-worked.
Darren Alton <dalton@stevens.edu>
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diff changeset
383 bgSetRotateScale(txdat->hw_index, txdat->rotate, txdat->scale.x,
c5280d33c32a NDS compiles again, but may not yet work. Sprite support has been removed for the time being while it is re-worked.
Darren Alton <dalton@stevens.edu>
parents: 2884
diff changeset
384 txdat->scale.y);
c5280d33c32a NDS compiles again, but may not yet work. Sprite support has been removed for the time being while it is re-worked.
Darren Alton <dalton@stevens.edu>
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diff changeset
385 bgSetScroll(txdat->hw_index, txdat->scroll.x, txdat->scroll.y);
c5280d33c32a NDS compiles again, but may not yet work. Sprite support has been removed for the time being while it is re-worked.
Darren Alton <dalton@stevens.edu>
parents: 2884
diff changeset
386 bgUpdate(txdat->hw_index);
c5280d33c32a NDS compiles again, but may not yet work. Sprite support has been removed for the time being while it is re-worked.
Darren Alton <dalton@stevens.edu>
parents: 2884
diff changeset
387
c5280d33c32a NDS compiles again, but may not yet work. Sprite support has been removed for the time being while it is re-worked.
Darren Alton <dalton@stevens.edu>
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diff changeset
388 data->bg_taken[whichbg] = 1;
2735
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
389 /*txdat->size = txdat->dim.pitch * texture->h; */
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parents:
diff changeset
390 } else {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
391 SDL_SetError("Out of NDS backgrounds.");
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
392 }
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
393 } else {
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
394 SDL_SetError("Texture too big for NDS hardware.");
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
395 }
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
396
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
397 if (!texture->driverdata) {
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
398 return -1;
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
399 }
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
400
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
401 return 0;
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
402 }
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
403
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
404 static int
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
405 NDS_QueryTexturePixels(SDL_Renderer * renderer, SDL_Texture * texture,
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
406 void **pixels, int *pitch)
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
407 {
204be4fc2726 Final merge of Google Summer of Code 2008 work...
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parents:
diff changeset
408 NDS_TextureData *txdat = (NDS_TextureData *) texture->driverdata;
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parents:
diff changeset
409 *pixels = txdat->vram_pixels;
3073
c5280d33c32a NDS compiles again, but may not yet work. Sprite support has been removed for the time being while it is re-worked.
Darren Alton <dalton@stevens.edu>
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diff changeset
410 *pitch = txdat->pitch;
2735
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parents:
diff changeset
411 return 0;
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
412 }
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
413
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
414 static int
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
415 NDS_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
416 const SDL_Rect * rect, const void *pixels, int pitch)
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
417 {
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
418 NDS_TextureData *txdat;
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
419 Uint8 *src, *dst;
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
420 int row;
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
421 size_t length;
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
422
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
423 txdat = (NDS_TextureData *) texture->driverdata;
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
424
204be4fc2726 Final merge of Google Summer of Code 2008 work...
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parents:
diff changeset
425 src = (Uint8 *) pixels;
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
426 dst =
3073
c5280d33c32a NDS compiles again, but may not yet work. Sprite support has been removed for the time being while it is re-worked.
Darren Alton <dalton@stevens.edu>
parents: 2884
diff changeset
427 (Uint8 *) txdat->vram_pixels + rect->y * txdat->pitch + rect->x *
c5280d33c32a NDS compiles again, but may not yet work. Sprite support has been removed for the time being while it is re-worked.
Darren Alton <dalton@stevens.edu>
parents: 2884
diff changeset
428 ((txdat->bpp + 1) / 8);
c5280d33c32a NDS compiles again, but may not yet work. Sprite support has been removed for the time being while it is re-worked.
Darren Alton <dalton@stevens.edu>
parents: 2884
diff changeset
429 length = rect->w * ((txdat->bpp + 1) / 8);
2735
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
430
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
431 if (rect->w == texture->w) {
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
432 dmaCopy(src, dst, length * rect->h);
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
433 } else {
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
434 for (row = 0; row < rect->h; ++row) {
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
435 dmaCopy(src, dst, length);
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
436 src += pitch;
3073
c5280d33c32a NDS compiles again, but may not yet work. Sprite support has been removed for the time being while it is re-worked.
Darren Alton <dalton@stevens.edu>
parents: 2884
diff changeset
437 dst += txdat->pitch;
2735
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
438 }
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
439 }
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
440
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
441 return 0;
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
442 }
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
443
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
444 static int
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
445 NDS_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
446 const SDL_Rect * rect, int markDirty, void **pixels,
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
447 int *pitch)
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
448 {
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
449 NDS_TextureData *txdat = (NDS_TextureData *) texture->driverdata;
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
450
3073
c5280d33c32a NDS compiles again, but may not yet work. Sprite support has been removed for the time being while it is re-worked.
Darren Alton <dalton@stevens.edu>
parents: 2884
diff changeset
451 *pixels = (void *) ((u8 *) txdat->vram_pixels + rect->y * txdat->pitch +
c5280d33c32a NDS compiles again, but may not yet work. Sprite support has been removed for the time being while it is re-worked.
Darren Alton <dalton@stevens.edu>
parents: 2884
diff changeset
452 rect->x * ((txdat->bpp + 1) / 8));
c5280d33c32a NDS compiles again, but may not yet work. Sprite support has been removed for the time being while it is re-worked.
Darren Alton <dalton@stevens.edu>
parents: 2884
diff changeset
453 *pitch = txdat->pitch;
2735
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
454
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
455 return 0;
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
456 }
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
457
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
458 static void
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
459 NDS_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture)
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
460 {
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
461 /* stub! */
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
462 }
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
463
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
464 static int
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
465 NDS_RenderFill(SDL_Renderer * renderer, Uint8 r, Uint8 g, Uint8 b,
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
466 Uint8 a, const SDL_Rect * rect)
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
467 {
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
468 NDS_RenderData *data = (NDS_RenderData *) renderer->driverdata;
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
469 SDL_Rect real_rect = *rect;
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
470 u16 color;
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
471 int i, j;
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
472
3073
c5280d33c32a NDS compiles again, but may not yet work. Sprite support has been removed for the time being while it is re-worked.
Darren Alton <dalton@stevens.edu>
parents: 2884
diff changeset
473 printf("NDS_RenderFill: stub\n");
3139
Sam Lantinga <slouken@libsdl.org>
parents: 3073
diff changeset
474 color = RGB8(r, g, b); /* macro in libnds that makes an ARGB1555 pixel */
2735
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
475 /* TODO: make a single-color sprite and stretch it.
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
476 calculate the "HDX" width modifier of the sprite by:
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
477 let S be the actual sprite's width (like, 32 pixels for example)
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
478 let R be the rectangle's width (maybe 50 pixels)
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
479 HDX = (R<<8) / S;
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
480 (it's fixed point, hence the bit shift. same goes for vertical.
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
481 be sure to use 32-bit int's for the bit shift before the division!)
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
482 */
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
483
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
484 return 0;
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
485 }
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
486
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
487 static int
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
488 NDS_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
489 const SDL_Rect * srcrect, const SDL_Rect * dstrect)
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
490 {
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
491 NDS_RenderData *data = (NDS_RenderData *) renderer->driverdata;
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
492 NDS_TextureData *txdat = (NDS_TextureData *) texture->driverdata;
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
493 SDL_Window *window = SDL_GetWindowFromID(renderer->window);
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
494 SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
3073
c5280d33c32a NDS compiles again, but may not yet work. Sprite support has been removed for the time being while it is re-worked.
Darren Alton <dalton@stevens.edu>
parents: 2884
diff changeset
495 int Bpp = SDL_BYTESPERPIXEL(texture->format);
2735
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
496
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
497 if (txdat->type == NDSTX_BG) {
3073
c5280d33c32a NDS compiles again, but may not yet work. Sprite support has been removed for the time being while it is re-worked.
Darren Alton <dalton@stevens.edu>
parents: 2884
diff changeset
498 txdat->scroll.x = dstrect->x;
c5280d33c32a NDS compiles again, but may not yet work. Sprite support has been removed for the time being while it is re-worked.
Darren Alton <dalton@stevens.edu>
parents: 2884
diff changeset
499 txdat->scroll.y = dstrect->y;
2735
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
500 } else {
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
501 /* sprites not fully implemented yet */
3073
c5280d33c32a NDS compiles again, but may not yet work. Sprite support has been removed for the time being while it is re-worked.
Darren Alton <dalton@stevens.edu>
parents: 2884
diff changeset
502 printf("NDS_RenderCopy: used sprite!\n");
c5280d33c32a NDS compiles again, but may not yet work. Sprite support has been removed for the time being while it is re-worked.
Darren Alton <dalton@stevens.edu>
parents: 2884
diff changeset
503 // SpriteEntry *spr = &(data->oam_copy.spriteBuffer[txdat->hw_index]);
c5280d33c32a NDS compiles again, but may not yet work. Sprite support has been removed for the time being while it is re-worked.
Darren Alton <dalton@stevens.edu>
parents: 2884
diff changeset
504 // spr->posX = dstrect->x;
c5280d33c32a NDS compiles again, but may not yet work. Sprite support has been removed for the time being while it is re-worked.
Darren Alton <dalton@stevens.edu>
parents: 2884
diff changeset
505 // spr->posY = dstrect->y;
c5280d33c32a NDS compiles again, but may not yet work. Sprite support has been removed for the time being while it is re-worked.
Darren Alton <dalton@stevens.edu>
parents: 2884
diff changeset
506 // if (txdat->hw_index < MATRIX_COUNT && spr->isRotoscale) {
c5280d33c32a NDS compiles again, but may not yet work. Sprite support has been removed for the time being while it is re-worked.
Darren Alton <dalton@stevens.edu>
parents: 2884
diff changeset
507 // }
2735
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
508 }
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
509
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
510 return 0;
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
511 }
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
512
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
513
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
514 static void
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
515 NDS_RenderPresent(SDL_Renderer * renderer)
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
516 {
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
517 NDS_RenderData *data = (NDS_RenderData *) renderer->driverdata;
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
518 SDL_Window *window = SDL_GetWindowFromID(renderer->window);
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
519 SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
520
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
521 /* update sprites */
3073
c5280d33c32a NDS compiles again, but may not yet work. Sprite support has been removed for the time being while it is re-worked.
Darren Alton <dalton@stevens.edu>
parents: 2884
diff changeset
522 // NDS_OAM_Update(&(data->oam_copy), data->sub);
2735
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
523 /* vsync for NDS */
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
524 if (renderer->info.flags & SDL_RENDERER_PRESENTVSYNC) {
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
525 swiWaitForVBlank();
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
526 }
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
527 }
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
528
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
529 static void
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
530 NDS_DestroyTexture(SDL_Renderer * renderer, SDL_Texture * texture)
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
531 {
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
532 NDS_TextureData *txdat = texture->driverdata;
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
533 /* free anything else allocated for texture */
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
534 SDL_free(txdat);
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
535 }
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
536
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
537 static void
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
538 NDS_DestroyRenderer(SDL_Renderer * renderer)
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
539 {
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
540 NDS_RenderData *data = (NDS_RenderData *) renderer->driverdata;
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
541 SDL_Window *window = SDL_GetWindowFromID(renderer->window);
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
542 SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
543 int i;
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
544
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
545 if (data) {
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
546 /* free anything else relevant if anything else is allocated. */
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
547 SDL_free(data);
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
548 }
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
549 SDL_free(renderer);
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
550 }
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
551
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
552 static int
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
553 NDS_SetTexturePalette(SDL_Renderer * renderer, SDL_Texture * texture,
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
554 const SDL_Color * colors, int firstcolor, int ncolors)
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
555 {
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
556 NDS_TextureData *txdat = (NDS_TextureData *) texture->driverdata;
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
557 /* set 8-bit modes in the background control registers
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
558 for backgrounds, BGn_CR |= BG_256_COLOR */
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
559
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
560 return 0;
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
561 }
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
562
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
563 static int
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
564 NDS_GetTexturePalette(SDL_Renderer * renderer, SDL_Texture * texture,
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
565 SDL_Color * colors, int firstcolor, int ncolors)
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
566 {
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
567 NDS_TextureData *txdat = (NDS_TextureData *) texture->driverdata;
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
568 /* stub! */
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
569 return 0;
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
570 }
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
571
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
572 static int
204be4fc2726 Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
573 NDS_SetTextureColorMod(SDL_Renderer * renderer, SDL_Texture * texture)
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574 {
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575 /* stub! */
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576 return 0;
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577 }
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578
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579 static int
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580 NDS_SetTextureAlphaMod(SDL_Renderer * renderer, SDL_Texture * texture)
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581 {
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582 /* stub! */
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583 return 0;
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584 }
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585
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586 static int
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587 NDS_SetTextureBlendMode(SDL_Renderer * renderer, SDL_Texture * texture)
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588 {
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589 /* stub! */
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590 return 0;
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591 }
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592
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593 static int
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594 NDS_SetTextureScaleMode(SDL_Renderer * renderer, SDL_Texture * texture)
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595 {
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596 /* stub! (note: NDS hardware scaling is nearest neighbor.) */
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597 return 0;
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598 }
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599
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600 /* vi: set ts=4 sw=4 expandtab: */