sdl-ios-xcode: src/video/nds/SDL

annotate src/video/nds/SDL_ndsrender.c @ 5206:25ffd4e5255c

Minor consistency cleanup and documentation link update.

author	Sam Lantinga <slouken@libsdl.org>
date	Sun, 06 Feb 2011 00:48:41 -0800
parents	be02be2ea897
children	58265e606e4e

rev	line source
2735 204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1 /*
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2 SDL - Simple DirectMedia Layer
3697 f7b03b6838cb Fixed bug #926 Sam Lantinga <slouken@libsdl.org> parents: 3685 diff changeset	3 Copyright (C) 1997-2010 Sam Lantinga
2735 204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5 This library is free software; you can redistribute it and/or
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6 modify it under the terms of the GNU Lesser General Public
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7 License as published by the Free Software Foundation; either
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	8 version 2.1 of the License, or (at your option) any later version.
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	9
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	10 This library is distributed in the hope that it will be useful,
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	11 but WITHOUT ANY WARRANTY; without even the implied warranty of
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	13 Lesser General Public License for more details.
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	14
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	15 You should have received a copy of the GNU Lesser General Public
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	16 License along with this library; if not, write to the Free Software
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	18
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	19 Sam Lantinga
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	20 slouken@libsdl.org
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	21 */
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	22
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	23 #include <stdio.h>
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	24 #include <stdlib.h>
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	25 #include <nds.h>
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	26 //#include <nds/arm9/video.h>
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	27 //#include <nds/arm9/sprite.h>
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	28 //#include <nds/arm9/trig_lut.h>
2735 204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	29
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	30 #include "SDL_config.h"
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	31
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	32 #include "SDL_video.h"
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	33 #include "../SDL_sysvideo.h"
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	34 #include "../SDL_yuv_sw_c.h"
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	35 #include "../SDL_renderer_sw.h"
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	36
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	37 /* SDL NDS renderer implementation */
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	38
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	39 static SDL_Renderer NDS_CreateRenderer(SDL_Window window, Uint32 flags);
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	40 static int NDS_ActivateRenderer(SDL_Renderer * renderer);
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	41 static int NDS_DisplayModeChanged(SDL_Renderer * renderer);
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	42 static int NDS_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture);
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	43 static int NDS_QueryTexturePixels(SDL_Renderer * renderer,
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	44 SDL_Texture * texture, void **pixels,
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	45 int *pitch);
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	46 static int 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	47 const SDL_Rect * rect, const void *pixels,
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	48 int pitch);
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	49 static int 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	50 const SDL_Rect * rect, int markDirty,
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	51 void *pixels, int pitch);
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	52 static void 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	53 static int NDS_RenderFill(SDL_Renderer * renderer, Uint8 r, Uint8 g,
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	54 Uint8 b, Uint8 a, const SDL_Rect * rect);
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	55 static int NDS_RenderCopy(SDL_Renderer * renderer,
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	56 SDL_Texture * texture,
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	57 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	58 static void NDS_RenderPresent(SDL_Renderer * renderer);
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	59 static void NDS_DestroyTexture(SDL_Renderer * renderer,
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	60 SDL_Texture * texture);
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	61 static void NDS_DestroyRenderer(SDL_Renderer * renderer);
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	62
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	63
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	64 SDL_RenderDriver NDS_RenderDriver = {
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	65 NDS_CreateRenderer,
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	66 {"nds", /* char* name */
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	67 (SDL_RENDERER_ACCELERATED \| SDL_RENDERER_PRESENTVSYNC), /* u32 flags */
5152 be02be2ea897 Making the API simpler, removed support for palettized video modes and textures. Sam Lantinga <slouken@libsdl.org> parents: 5145 diff changeset	68 2, /* u32 num_texture_formats */
2735 204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	69 {
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	70 SDL_PIXELFORMAT_ABGR1555,
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	71 SDL_PIXELFORMAT_BGR555,
3139 7f684f249ec9 indent Sam Lantinga <slouken@libsdl.org> parents: 3073 diff changeset	72 }, /* u32 texture_formats[20] */
2735 204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	73 (256), /* int max_texture_width */
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	74 (256), /* int max_texture_height */
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	75 }
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	76 };
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	77
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	78 typedef struct
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	79 {
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	80 u8 bg_taken[4];
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	81 OamState *oam;
2735 204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	82 int sub;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	83 } NDS_RenderData;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	84
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	85 typedef struct
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	86 {
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	87 enum
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	88 { NDSTX_BG, NDSTX_SPR } type; /* represented in a bg or sprite. */
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	89 int hw_index; /* index of sprite in OAM or bg from libnds */
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	90 int pitch, bpp; /* useful information about the texture */
3139 7f684f249ec9 indent Sam Lantinga <slouken@libsdl.org> parents: 3073 diff changeset	91 struct
7f684f249ec9 indent Sam Lantinga <slouken@libsdl.org> parents: 3073 diff changeset	92 {
7f684f249ec9 indent Sam Lantinga <slouken@libsdl.org> parents: 3073 diff changeset	93 int x, y;
7f684f249ec9 indent Sam Lantinga <slouken@libsdl.org> parents: 3073 diff changeset	94 } scale; /* x/y stretch (24.8 fixed point) */
7f684f249ec9 indent Sam Lantinga <slouken@libsdl.org> parents: 3073 diff changeset	95 struct
7f684f249ec9 indent Sam Lantinga <slouken@libsdl.org> parents: 3073 diff changeset	96 {
7f684f249ec9 indent Sam Lantinga <slouken@libsdl.org> parents: 3073 diff changeset	97 int x, y;
7f684f249ec9 indent Sam Lantinga <slouken@libsdl.org> parents: 3073 diff changeset	98 } scroll; /* x/y offset */
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	99 int rotate; /* -32768 to 32767, texture rotation */
2735 204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	100 u16 vram_pixels; / where the pixel data is stored (a pointer into VRAM) */
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	101 u16 vram_palette; / where the palette data is stored if it's indexed. */
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	102 /int size; /
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	103 } NDS_TextureData;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	104
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	105
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	106
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	107 SDL_Renderer *
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	108 NDS_CreateRenderer(SDL_Window * window, Uint32 flags)
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	109 {
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: 3139 diff changeset	110 SDL_VideoDisplay *display = window->display;
2735 204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	111 SDL_DisplayMode *displayMode = &display->current_mode;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	112 SDL_Renderer *renderer;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	113 NDS_RenderData *data;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	114 int i, n;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	115 int bpp;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	116 Uint32 Rmask, Gmask, Bmask, Amask;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	117
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	118 if (!SDL_PixelFormatEnumToMasks(displayMode->format, &bpp,
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	119 &Rmask, &Gmask, &Bmask, &Amask)) {
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	120 SDL_SetError("Unknown display format");
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	121 return NULL;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	122 }
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	123 switch (displayMode->format) {
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	124 case SDL_PIXELFORMAT_ABGR1555:
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	125 case SDL_PIXELFORMAT_BGR555:
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	126 /* okay */
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	127 break;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	128 case SDL_PIXELFORMAT_RGB555:
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	129 case SDL_PIXELFORMAT_RGB565:
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	130 case SDL_PIXELFORMAT_ARGB1555:
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	131 /* we'll take these too for now */
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	132 break;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	133 default:
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	134 SDL_SetError("Warning: wrong display format for NDS!\n");
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	135 break;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	136 }
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	137
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	138 renderer = (SDL_Renderer ) SDL_calloc(1, sizeof(renderer));
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	139 if (!renderer) {
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	140 SDL_OutOfMemory();
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	141 return NULL;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	142 }
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	143
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	144 data = (NDS_RenderData ) SDL_malloc(sizeof(data));
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	145 if (!data) {
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	146 NDS_DestroyRenderer(renderer);
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	147 SDL_OutOfMemory();
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	148 return NULL;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	149 }
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	150 SDL_zerop(data);
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	151
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	152 renderer->RenderFill = NDS_RenderFill;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	153 renderer->RenderCopy = NDS_RenderCopy;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	154 renderer->RenderPresent = NDS_RenderPresent;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	155 renderer->DestroyRenderer = NDS_DestroyRenderer;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	156 renderer->info.name = NDS_RenderDriver.info.name;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	157 renderer->info.flags = 0;
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: 3139 diff changeset	158 renderer->window = window;
2735 204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	159 renderer->driverdata = data;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	160 renderer->CreateTexture = NDS_CreateTexture;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	161 renderer->QueryTexturePixels = NDS_QueryTexturePixels;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	162 renderer->UpdateTexture = NDS_UpdateTexture;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	163 renderer->LockTexture = NDS_LockTexture;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	164 renderer->UnlockTexture = NDS_UnlockTexture;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	165 renderer->DestroyTexture = NDS_DestroyTexture;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	166
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	167 renderer->info.num_texture_formats =
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	168 NDS_RenderDriver.info.num_texture_formats;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	169 SDL_memcpy(renderer->info.texture_formats,
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	170 NDS_RenderDriver.info.texture_formats,
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	171 sizeof(renderer->info.texture_formats));
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	172 renderer->info.max_texture_width =
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	173 NDS_RenderDriver.info.max_texture_width;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	174 renderer->info.max_texture_height =
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	175 NDS_RenderDriver.info.max_texture_height;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	176
3139 7f684f249ec9 indent Sam Lantinga <slouken@libsdl.org> parents: 3073 diff changeset	177 data->sub = 0; /* TODO: this is hard-coded to the "main" screen.
7f684f249ec9 indent Sam Lantinga <slouken@libsdl.org> parents: 3073 diff changeset	178 figure out how to detect whether to set it to
7f684f249ec9 indent Sam Lantinga <slouken@libsdl.org> parents: 3073 diff changeset	179 "sub" screen. window->id, perhaps? */
2735 204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	180 data->bg_taken[2] = data->bg_taken[3] = 0;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	181
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	182 return renderer;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	183 }
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	184
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	185 static int
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	186 NDS_ActivateRenderer(SDL_Renderer * renderer)
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	187 {
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	188 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	189
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	190 return 0;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	191 }
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	192
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	193 static int
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	194 NDS_DisplayModeChanged(SDL_Renderer * renderer)
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	195 {
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	196 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	197
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	198 return 0;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	199 }
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	200
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	201 static int
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	202 NDS_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture)
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	203 {
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	204 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	205 NDS_TextureData *txdat = NULL;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	206 int i;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	207 int bpp;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	208 Uint32 Rmask, Gmask, Bmask, Amask;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	209
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	210 if (!SDL_PixelFormatEnumToMasks
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	211 (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	212 SDL_SetError("Unknown texture format");
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	213 return -1;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	214 }
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	215
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	216 /* conditional statements on w/h to place it as bg/sprite
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	217 depending on which one it fits. */
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	218 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	219 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	220 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	221 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	222 #if 0
2735 204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	223 for (i = 0; i < SPRITE_COUNT; ++i) {
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	224 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	225 whichspr = i;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	226 break;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	227 }
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	228 }
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	229 if (whichspr >= 0) {
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	230 SpriteEntry *sprent = &(data->oam_copy.spriteBuffer[whichspr]);
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	231 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	232 int pitch;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	233
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	234 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	235 txdat = (NDS_TextureData *) texture->driverdata;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	236 if (!txdat) {
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	237 SDL_OutOfMemory();
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	238 return -1;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	239 }
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	240
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	241 sprent->objMode = OBJMODE_BITMAP;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	242 sprent->posX = 0;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	243 sprent->posY = 0;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	244 sprent->colMode = OBJCOLOR_16; /* OBJCOLOR_256 for INDEX8 */
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	245
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	246 /* 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	247 first come, first served */
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	248 if (whichspr < MATRIX_COUNT) {
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	249 sprent->isRotoscale = 1;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	250 sprent->rsMatrixIdx = whichspr;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	251 }
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	252
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	253 /* containing shape (square or 2:1 rectangles) */
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	254 sprent->objShape = OBJSHAPE_SQUARE;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	255 if (texture->w / 2 >= texture->h) {
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	256 sprent->objShape = OBJSHAPE_WIDE;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	257 } 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	258 sprent->objShape = OBJSHAPE_TALL;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	259 }
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	260
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	261 /* size in pixels */
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	262 /* FIXME: "pitch" is hardcoded for 2bytes per pixel. */
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	263 sprent->objSize = OBJSIZE_64;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	264 pitch = 128;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	265 if (maxside <= 8) {
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	266 sprent->objSize = OBJSIZE_8;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	267 pitch = 16;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	268 } else if (maxside <= 16) {
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	269 sprent->objSize = OBJSIZE_16;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	270 pitch = 32;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	271 } else if (maxside <= 32) {
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	272 sprent->objSize = OBJSIZE_32;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	273 pitch = 64;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	274 }
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	275
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	276 /* FIXME: this is hard-coded and will obviously only work for one
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	277 sprite-texture. tells it to look at the beginning of SPRITE_GFX
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	278 for its pixels. */
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	279 sprent->tileIdx = 0;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	280
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	281 /* now for the texture data */
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	282 txdat->type = NDSTX_SPR;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	283 txdat->hw_index = whichspr;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	284 txdat->dim.hdx = 0x100;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	285 txdat->dim.hdy = 0;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	286 txdat->dim.vdx = 0;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	287 txdat->dim.vdy = 0x100;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	288 txdat->dim.pitch = pitch;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	289 txdat->dim.bpp = bpp;
3139 7f684f249ec9 indent Sam Lantinga <slouken@libsdl.org> parents: 3073 diff changeset	290 txdat->vram_pixels =
7f684f249ec9 indent Sam Lantinga <slouken@libsdl.org> parents: 3073 diff changeset	291 (u16 *) (data->sub ? SPRITE_GFX_SUB : SPRITE_GFX);
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	292 /* FIXME: use tileIdx*boundary
3139 7f684f249ec9 indent Sam Lantinga <slouken@libsdl.org> parents: 3073 diff changeset	293 to point to proper location */
2735 204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	294 } else {
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	295 SDL_SetError("Out of NDS sprites.");
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	296 }
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	297 #endif
2735 204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	298 } else if (texture->w <= 256 && texture->h <= 256) {
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	299 int whichbg = -1, base = 0;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	300 if (!data->bg_taken[2]) {
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	301 whichbg = 2;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	302 } else if (!data->bg_taken[3]) {
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	303 whichbg = 3;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	304 base = 4;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	305 }
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	306 if (whichbg >= 0) {
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	307 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	308 txdat = (NDS_TextureData *) texture->driverdata;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	309 if (!txdat) {
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	310 SDL_OutOfMemory();
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	311 return -1;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	312 }
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	313 // hard-coded for 256x256 for now...
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	314 // TODO: a series of if-elseif-else's to find the closest but larger size.
3139 7f684f249ec9 indent Sam Lantinga <slouken@libsdl.org> parents: 3073 diff changeset	315 if (!data->sub) {
7f684f249ec9 indent Sam Lantinga <slouken@libsdl.org> parents: 3073 diff changeset	316 if (bpp == 8) {
7f684f249ec9 indent Sam Lantinga <slouken@libsdl.org> parents: 3073 diff changeset	317 txdat->hw_index =
7f684f249ec9 indent Sam Lantinga <slouken@libsdl.org> parents: 3073 diff changeset	318 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. Darren Alton <dalton@stevens.edu> parents: 2884 diff changeset	319 } else {
3139 7f684f249ec9 indent Sam Lantinga <slouken@libsdl.org> parents: 3073 diff changeset	320 txdat->hw_index =
7f684f249ec9 indent Sam Lantinga <slouken@libsdl.org> parents: 3073 diff changeset	321 bgInit(whichbg, BgType_Bmp16, BgSize_B16_256x256, 0,
7f684f249ec9 indent Sam Lantinga <slouken@libsdl.org> parents: 3073 diff changeset	322 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. Darren Alton <dalton@stevens.edu> parents: 2884 diff changeset	323 }
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	324 } else {
3139 7f684f249ec9 indent Sam Lantinga <slouken@libsdl.org> parents: 3073 diff changeset	325 if (bpp == 8) {
7f684f249ec9 indent Sam Lantinga <slouken@libsdl.org> parents: 3073 diff changeset	326 txdat->hw_index =
7f684f249ec9 indent Sam Lantinga <slouken@libsdl.org> parents: 3073 diff changeset	327 bgInitSub(whichbg, BgType_Bmp8, BgSize_B8_256x256, 0,
7f684f249ec9 indent Sam Lantinga <slouken@libsdl.org> parents: 3073 diff changeset	328 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. Darren Alton <dalton@stevens.edu> parents: 2884 diff changeset	329 } else {
3139 7f684f249ec9 indent Sam Lantinga <slouken@libsdl.org> parents: 3073 diff changeset	330 txdat->hw_index =
7f684f249ec9 indent Sam Lantinga <slouken@libsdl.org> parents: 3073 diff changeset	331 bgInitSub(whichbg, BgType_Bmp16, BgSize_B16_256x256,
7f684f249ec9 indent Sam Lantinga <slouken@libsdl.org> parents: 3073 diff changeset	332 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. Darren Alton <dalton@stevens.edu> parents: 2884 diff changeset	333 }
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	334 }
2735 204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	335
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	336 /* 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. Darren Alton <dalton@stevens.edu> parents: 2884 diff changeset	337 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. Darren Alton <dalton@stevens.edu> parents: 2884 diff changeset	338 bgSetCenter(bg3, rcX, rcY);
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	339 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. Darren Alton <dalton@stevens.edu> parents: 2884 diff changeset	340 bgSetScroll(bg3, scrollX, scrollY);
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	341 bgUpdate(bg3);
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	342 */
2735 204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	343 txdat->type = NDSTX_BG;
3139 7f684f249ec9 indent Sam Lantinga <slouken@libsdl.org> parents: 3073 diff changeset	344 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> parents: 2884 diff changeset	345 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> parents: 2884 diff changeset	346 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> parents: 2884 diff changeset	347 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> parents: 2884 diff changeset	348 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> parents: 2884 diff changeset	349 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> parents: 2884 diff changeset	350 txdat->scroll.y = 0;
3139 7f684f249ec9 indent Sam Lantinga <slouken@libsdl.org> parents: 3073 diff changeset	351 txdat->vram_pixels = (u16 *) bgGetGfxPtr(txdat->hw_index);
2735 204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	352
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	353 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> parents: 2884 diff changeset	354 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	355 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> parents: 2884 diff changeset	356 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	357 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	358
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	359 data->bg_taken[whichbg] = 1;
2735 204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	360 /txdat->size = txdat->dim.pitch texture->h; */
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	361 } else {
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	362 SDL_SetError("Out of NDS backgrounds.");
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	363 }
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	364 } else {
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	365 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	366 }
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	367
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	368 if (!texture->driverdata) {
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	369 return -1;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	370 }
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	371
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	372 return 0;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	373 }
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	374
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	375 static int
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	376 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	377 void *pixels, int pitch)
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	378 {
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	379 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	380 *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> parents: 2884 diff changeset	381 *pitch = txdat->pitch;
2735 204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	382 return 0;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	383 }
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	384
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	385 static int
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	386 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	387 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	388 {
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	389 NDS_TextureData *txdat;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	390 Uint8 src, dst;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	391 int row;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	392 size_t length;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	393
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	394 txdat = (NDS_TextureData *) texture->driverdata;
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 src = (Uint8 *) pixels;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	397 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	398 (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	399 ((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	400 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	401
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	402 if (rect->w == texture->w) {
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	403 dmaCopy(src, dst, length * rect->h);
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	404 } else {
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	405 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	406 dmaCopy(src, dst, length);
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	407 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	408 dst += txdat->pitch;
2735 204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	409 }
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	410 }
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	411
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	412 return 0;
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
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	415 static int
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	416 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	417 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	418 int *pitch)
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	419 {
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	420 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	421
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	422 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	423 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	424 *pitch = txdat->pitch;
2735 204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	425
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	426 return 0;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	427 }
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	428
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	429 static void
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	430 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	431 {
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	432 /* stub! */
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	433 }
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	434
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	435 static int
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	436 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	437 Uint8 a, const SDL_Rect * rect)
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 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	440 SDL_Rect real_rect = *rect;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	441 u16 color;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	442 int i, j;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	443
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	444 printf("NDS_RenderFill: stub\n");
3139 7f684f249ec9 indent Sam Lantinga <slouken@libsdl.org> parents: 3073 diff changeset	445 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	446 /* 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	447 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	448 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	449 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	450 HDX = (R<<8) / S;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	451 (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	452 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	453 */
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 int
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	459 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	460 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	461 {
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	462 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	463 NDS_TextureData txdat = (NDS_TextureData ) texture->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: 3139 diff changeset	464 SDL_Window *window = renderer->window;
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: 3139 diff changeset	465 SDL_VideoDisplay *display = window->display;
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	466 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	467
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	468 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	469 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	470 txdat->scroll.y = dstrect->y;
2735 204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	471 } else {
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	472 /* 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	473 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	474 // 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	475 // 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	476 // 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	477 // 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	478 // }
2735 204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	479 }
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	480
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	481 return 0;
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
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	485 static void
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	486 NDS_RenderPresent(SDL_Renderer * renderer)
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	487 {
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	488 NDS_RenderData data = (NDS_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: 3139 diff changeset	489 SDL_Window *window = renderer->window;
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: 3139 diff changeset	490 SDL_VideoDisplay *display = window->display;
2735 204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	491
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	492 /* 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	493 // 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	494 /* vsync for NDS */
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	495 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	496 swiWaitForVBlank();
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	497 }
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	498 }
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	499
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	500 static void
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	501 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	502 {
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	503 NDS_TextureData *txdat = texture->driverdata;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	504 /* free anything else allocated for texture */
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	505 SDL_free(txdat);
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	506 }
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	507
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	508 static void
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	509 NDS_DestroyRenderer(SDL_Renderer * renderer)
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	510 {
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	511 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	512 int i;
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 if (data) {
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	515 /* 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	516 SDL_free(data);
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	517 }
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	518 SDL_free(renderer);
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	519 }
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 /* vi: set ts=4 sw=4 expandtab: */

Mercurial > sdl-ios-xcode

annotate src/video/nds/SDL_ndsrender.c @ 5206:25ffd4e5255c