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comparison src/video/nds/SDL_ndsvideo.c @ 2671:c3e7c0698cbb gsoc2008_nds

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some changes to the dummy driver for debug purposes that should be reverted. most importantly, commenting out a check for an env. var.
author Darren Alton <dalton@stevens.edu>
date Thu, 12 Jun 2008 02:38:49 +0000
parents 6e4669f4db49
children 74ac057679d5
comparison
equal deleted inserted replaced
2670:6e4669f4db49 2671:c3e7c0698cbb
61 61
62 static int 62 static int
63 NDS_Available(void) 63 NDS_Available(void)
64 { 64 {
65 const char *envr = SDL_getenv("SDL_VIDEODRIVER"); 65 const char *envr = SDL_getenv("SDL_VIDEODRIVER");
66 printf("NDS_Available()\n"); 66 printf("NDS_Available()\n");
67 return (1); 67 return (1);
68 } 68 }
69 69
70 static void 70 static void
71 NDS_DeleteDevice(SDL_VideoDevice * device) 71 NDS_DeleteDevice(SDL_VideoDevice * device)
75 75
76 static SDL_VideoDevice * 76 static SDL_VideoDevice *
77 NDS_CreateDevice(int devindex) 77 NDS_CreateDevice(int devindex)
78 { 78 {
79 SDL_VideoDevice *device; 79 SDL_VideoDevice *device;
80 printf("NDS_CreateDevice(%d)\n", devindex); 80 printf("NDS_CreateDevice(%d)\n", devindex);
81 81
82 /* Initialize all variables that we clean on shutdown */ 82 /* Initialize all variables that we clean on shutdown */
83 device = (SDL_VideoDevice *) SDL_calloc(1, sizeof(SDL_VideoDevice)); 83 device = (SDL_VideoDevice *) SDL_calloc(1, sizeof(SDL_VideoDevice));
84 if (!device) { 84 if (!device) {
85 SDL_OutOfMemory(); 85 SDL_OutOfMemory();
93 device->VideoInit = NDS_VideoInit; 93 device->VideoInit = NDS_VideoInit;
94 device->VideoQuit = NDS_VideoQuit; 94 device->VideoQuit = NDS_VideoQuit;
95 device->SetDisplayMode = NDS_SetDisplayMode; 95 device->SetDisplayMode = NDS_SetDisplayMode;
96 device->PumpEvents = NDS_PumpEvents; 96 device->PumpEvents = NDS_PumpEvents;
97 97
98 device->num_displays = 2; /* DS = dual screens */ 98 device->num_displays = 2; /* DS = dual screens */
99 99
100 device->free = NDS_DeleteDevice; 100 device->free = NDS_DeleteDevice;
101 101
102 return device; 102 return device;
103 } 103 }
112 { 112 {
113 SDL_DisplayMode mode; 113 SDL_DisplayMode mode;
114 int i; 114 int i;
115 115
116 /* simple 256x192x16x60 for now */ 116 /* simple 256x192x16x60 for now */
117 mode.w = 256; mode.h = 192; 117 mode.w = 256;
118 mode.h = 192;
118 mode.format = SDL_PIXELFORMAT_ARGB1555; 119 mode.format = SDL_PIXELFORMAT_ARGB1555;
119 mode.refresh_rate = 60; 120 mode.refresh_rate = 60;
120 mode.driverdata = NULL; 121 mode.driverdata = NULL;
121 122
122 SDL_AddBasicVideoDisplay(&mode); 123 SDL_AddBasicVideoDisplay(&mode);
123 SDL_AddRenderDriver(0, &SDL_NDS_RenderDriver); 124 SDL_AddRenderDriver(0, &SDL_NDS_RenderDriver);
124 125
125 SDL_zero(mode); 126 SDL_zero(mode);
126 SDL_AddDisplayMode(0, &mode); 127 SDL_AddDisplayMode(0, &mode);
127 128
128 /* hackish stuff to get things up and running for now, and for a console */ 129 /* hackish stuff to get things up and running for now, and for a console */
129 powerON(POWER_ALL); 130 powerON(POWER_ALL);
130 videoSetMode(MODE_FB0); 131 videoSetMode(MODE_FB0);
131 videoSetModeSub(MODE_0_2D | DISPLAY_BG0_ACTIVE); /* debug text on sub */ 132 videoSetModeSub(MODE_0_2D | DISPLAY_BG0_ACTIVE); /* debug text on sub */
132 vramSetBankA(VRAM_A_LCD); 133
133 vramSetBankC(VRAM_C_SUB_BG); 134 vramSetBankA(VRAM_A_LCD);
134 irqInit(); 135 vramSetBankC(VRAM_C_SUB_BG);
135 irqEnable(IRQ_VBLANK); 136
137 irqInit();
138 irqEnable(IRQ_VBLANK);
136 /* set up console for debug text 'n stuff */ 139 /* set up console for debug text 'n stuff */
137 SUB_BG0_CR = BG_MAP_BASE(31); BG_PALETTE_SUB[255] = RGB15(31,31,31); 140 SUB_BG0_CR = BG_MAP_BASE(31);
138 consoleInitDefault((u16*)SCREEN_BASE_BLOCK_SUB(31), 141 BG_PALETTE_SUB[255] = RGB15(31, 31, 31);
139 (u16*)CHAR_BASE_BLOCK_SUB(0), 16); 142 consoleInitDefault((u16 *) SCREEN_BASE_BLOCK_SUB(31),
140 for(i = 0; i < 256*192; ++i) { 143 (u16 *) CHAR_BASE_BLOCK_SUB(0), 16);
141 ((u16*)VRAM_A)[i] = i; 144 for (i = 0; i < 256 * 192; ++i) {
142 } 145 ((u16 *) VRAM_A)[i] = i;
143 for(i = 0; i < 60; ++i) swiWaitForVBlank(); 146 }
144 /*NDS_SetDisplayMode(_this, &mode);*/ 147 for (i = 0; i < 60; ++i)
148 swiWaitForVBlank();
149
150 /*NDS_SetDisplayMode(_this, &mode); */
145 return 0; 151 return 0;
146 } 152 }
147 153
148 static int 154 static int
149 NDS_SetDisplayMode(_THIS, SDL_DisplayMode * mode) 155 NDS_SetDisplayMode(_THIS, SDL_DisplayMode * mode)
150 { 156 {
151 /* right now this function is just hard-coded for 256x192 ARGB1555 */ 157 /* right now this function is just hard-coded for 256x192 ARGB1555 */
152 #if 0 158 #if 0
153 videoSetMode(MODE_5_2D | DISPLAY_BG3_ACTIVE); /* display on main core */ 159 videoSetMode(MODE_5_2D | DISPLAY_BG3_ACTIVE); /* display on main core */
154 videoSetModeSub(MODE_0_2D | DISPLAY_BG0_ACTIVE); /* debug text on sub */ 160 videoSetModeSub(MODE_0_2D | DISPLAY_BG0_ACTIVE); /* debug text on sub */
155 vramSetMainBanks(VRAM_A_MAIN_BG_0x06000000, VRAM_B_LCD, 161 vramSetMainBanks(VRAM_A_MAIN_BG_0x06000000, VRAM_B_LCD,
156 VRAM_C_SUB_BG, VRAM_D_LCD); 162 VRAM_C_SUB_BG, VRAM_D_LCD);
157 163
158 /* maps well to the 256x192 screen anyway. note: need VRAM_B for bigger */ 164 /* maps well to the 256x192 screen anyway. note: need VRAM_B for bigger */
159 BG3_CR = BG_BMP16_256x256; 165 BG3_CR = BG_BMP16_256x256;
160 /* affine transformation matrix. nothing too fancy here */ 166 /* affine transformation matrix. nothing too fancy here */
161 BG3_XDX = 0x100; BG3_XDY = 0; 167 BG3_XDX = 0x100;
162 BG3_YDX = 0; BG3_YDY = 0x100; 168 BG3_XDY = 0;
163 /* x/y position */ 169 BG3_YDX = 0;
164 BG3_CX = 0; BG3_CY = 0; 170 BG3_YDY = 0x100;
171 /* x/y position */
172 BG3_CX = 0;
173 BG3_CY = 0;
165 #endif 174 #endif
166 return 0; 175 return 0;
167 } 176 }
168 177
169 void 178 void