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comparison src/video/nds/SDL_ndsvideo.c @ 2679:bc3e3e889f6d gsoc2008_nds

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More NDS video driver work.
author Darren Alton <dalton@stevens.edu>
date Sun, 13 Jul 2008 04:28:54 +0000
parents 6386764eb222
children 4135aa9c5645
comparison
equal deleted inserted replaced
2678:3895761db26a 2679:bc3e3e889f6d
114 int i; 114 int i;
115 115
116 /* simple 256x192x15x60 for now */ 116 /* simple 256x192x15x60 for now */
117 mode.w = 256; 117 mode.w = 256;
118 mode.h = 192; 118 mode.h = 192;
119 mode.format = SDL_PIXELFORMAT_BGR555; 119 mode.format = SDL_PIXELFORMAT_ABGR1555;
120 mode.refresh_rate = 60; 120 mode.refresh_rate = 60;
121 mode.driverdata = NULL; 121 mode.driverdata = NULL;
122 122
123 SDL_AddBasicVideoDisplay(&mode); 123 SDL_AddBasicVideoDisplay(&mode);
124 SDL_AddRenderDriver(0, &NDS_RenderDriver); 124 SDL_AddRenderDriver(0, &NDS_RenderDriver);
125 /*SDL_AddBasicVideoDisplay(&mode); two screens, same mode. uncomment later
126 SDL_AddRenderDriver(1, &NDS_RenderDriver);*/
125 127
126 SDL_zero(mode); 128 SDL_zero(mode);
127 SDL_AddDisplayMode(0, &mode); 129 SDL_AddDisplayMode(0, &mode);
128 130
129 /* hackish stuff to get things up and running for now, and for a console */ 131 /* hackish stuff to get things up and running for now, and for a console */
130 powerON(POWER_ALL); 132 powerON(POWER_ALL);
131 videoSetMode(MODE_FB0);
132 videoSetModeSub(MODE_0_2D | DISPLAY_BG0_ACTIVE); /* debug text on sub */
133
134 vramSetBankA(VRAM_A_LCD);
135 vramSetBankC(VRAM_C_SUB_BG);
136
137 irqInit(); 133 irqInit();
138 irqEnable(IRQ_VBLANK); 134 irqEnable(IRQ_VBLANK);
139 /* set up console for debug text 'n stuff */ 135 NDS_SetDisplayMode(_this, &mode);
140 SUB_BG0_CR = BG_MAP_BASE(31);
141 BG_PALETTE_SUB[255] = RGB15(31, 31, 31);
142 consoleInitDefault((u16 *) SCREEN_BASE_BLOCK_SUB(31),
143 (u16 *) CHAR_BASE_BLOCK_SUB(0), 16);
144
145 /*NDS_SetDisplayMode(_this, &mode); */
146 return 0; 136 return 0;
147 } 137 }
148 138
149 static int 139 static int
150 NDS_SetDisplayMode(_THIS, SDL_DisplayMode * mode) 140 NDS_SetDisplayMode(_THIS, SDL_DisplayMode * mode)
151 { 141 {
152 /* right now this function is just hard-coded for 256x192 ABGR1555 */ 142 /* right now this function is just hard-coded for 256x192 ABGR1555 */
153 #if 0
154 videoSetMode(MODE_5_2D | DISPLAY_BG3_ACTIVE); /* display on main core */ 143 videoSetMode(MODE_5_2D | DISPLAY_BG3_ACTIVE); /* display on main core */
155 videoSetModeSub(MODE_0_2D | DISPLAY_BG0_ACTIVE); /* debug text on sub */ 144 videoSetModeSub(MODE_0_2D | DISPLAY_BG0_ACTIVE); /* debug text on sub */
156 vramSetMainBanks(VRAM_A_MAIN_BG_0x06000000, VRAM_B_LCD, 145 vramSetMainBanks(VRAM_A_MAIN_BG_0x06000000, VRAM_B_LCD,
157 VRAM_C_SUB_BG, VRAM_D_LCD); 146 VRAM_C_SUB_BG, VRAM_D_LCD);
158 147
148 /* set up console for debug text 'n stuff */
149 SUB_BG0_CR = BG_MAP_BASE(31);
150 BG_PALETTE_SUB[255] = RGB15(31, 31, 31);
151 consoleInitDefault((u16 *) SCREEN_BASE_BLOCK_SUB(31),
152 (u16 *) CHAR_BASE_BLOCK_SUB(0), 16);
153
154 #if 0
155 /* we should be using this as a texture for rendering, not as a framebuffer */
159 /* maps well to the 256x192 screen anyway. note: need VRAM_B for bigger */ 156 /* maps well to the 256x192 screen anyway. note: need VRAM_B for bigger */
160 BG3_CR = BG_BMP16_256x256; 157 BACKGROUND.control[3] = BG_BMP16_256x256;
161 /* affine transformation matrix. nothing too fancy here */ 158 /* affine transformation matrix. nothing too fancy here */
162 BG3_XDX = 0x100; 159 BG3_XDX = 0x100;
163 BG3_XDY = 0; 160 BG3_XDY = 0;
164 BG3_YDX = 0; 161 BG3_YDX = 0;
165 BG3_YDY = 0x100; 162 BG3_YDY = 0x100;
171 } 168 }
172 169
173 void 170 void
174 NDS_VideoQuit(_THIS) 171 NDS_VideoQuit(_THIS)
175 { 172 {
173 videoSetMode(DISPLAY_SCREEN_OFF);
174 videoSetModeSub(DISPLAY_SCREEN_OFF);
175 vramSetMainBanks(VRAM_A_LCD, VRAM_B_LCD, VRAM_C_LCD, VRAM_D_LCD);
176 } 176 }
177 177
178 /* vi: set ts=4 sw=4 expandtab: */ 178 /* vi: set ts=4 sw=4 expandtab: */