void draw() {
startFrame();
sceGuTexMode(GU_PSM_T8, 0, 0, GU_FALSE);
sceGuTexFilter(GU_NEAREST, GU_NEAREST);
sceGuTexFunc(GU_TFX_DECAL, GU_TCC_RGB);
sceGuClutMode(GU_PSM_8888, 0, 0xFF, 0);
sceGuTexImage(0, 2, 2, 16, imageDataPatch);
sceGuClutLoad(1, clutRGBY);
sceGuPatchPrim(GU_TRIANGLE_STRIP);
sceGuPatchDivide(16, 16);
sceGuPatchFrontFace(GU_CW);
sceGuDisable(GU_TEXTURE_2D);
sceGuDrawBezier(GU_COLOR_8888 | GU_VERTEX_16BIT | GU_TRANSFORM_2D, 4, 4, NULL, vertices1_simple);
// Let's see how UVs are interpolated. Simple bilinear will fail here.
sceGuEnable(GU_TEXTURE_2D);
sceGuDrawBezier(GU_TEXTURE_16BIT | GU_VERTEX_16BIT | GU_TRANSFORM_2D, 4, 4, NULL, vertices2_uvs);
sceGuDisable(GU_TEXTURE_2D);
sceGuDrawBezier(GU_COLOR_8888 | GU_VERTEX_16BIT | GU_TRANSFORM_2D, 4, 4, NULL, vertices3_colors);
sceGuDrawBezier(GU_COLOR_8888 | GU_VERTEX_16BIT | GU_TRANSFORM_2D, 4, 4, NULL, vertices4_pos);
// Other primitive types.
sceGuSendCommandi(55, 1);
sceGuPatchDivide(4, 4);
sceGuDrawBezier(GU_COLOR_8888 | GU_VERTEX_16BIT | GU_TRANSFORM_2D, 4, 4, NULL, vertices5_lines);
sceGuSendCommandi(55, 2);
sceGuPatchDivide(4, 4);
sceGuDrawBezier(GU_COLOR_8888 | GU_VERTEX_16BIT | GU_TRANSFORM_2D, 4, 4, NULL, vertices6_points);
sceGuSendCommandi(55, 3);
sceGuPatchDivide(4, 4);
sceGuDrawBezier(GU_COLOR_8888 | GU_VERTEX_16BIT | GU_TRANSFORM_2D, 4, 4, NULL, vertices7_prim3);
sceGuSendCommandi(55, 4);
sceGuPatchDivide(4, 4);
sceGuDrawBezier(GU_COLOR_8888 | GU_VERTEX_16BIT | GU_TRANSFORM_2D, 4, 4, NULL, vertices8_prim4);
sceGuPatchPrim(GU_TRIANGLE_STRIP);
sceGuShadeModel(GU_FLAT);
sceGuPatchDivide(1, 1);
sceGuDrawBezier(GU_COLOR_8888 | GU_VERTEX_16BIT | GU_TRANSFORM_2D, 4, 4, NULL, vertices9_div1);
sceGuPatchDivide(1, 2);
sceGuDrawBezier(GU_COLOR_8888 | GU_VERTEX_16BIT | GU_TRANSFORM_2D, 4, 4, NULL, vertices10_div1_2);
sceGuPatchDivide(2, 2);
sceGuDrawBezier(GU_COLOR_8888 | GU_VERTEX_16BIT | GU_TRANSFORM_2D, 4, 4, NULL, vertices11_div2);
sceGuPatchDivide(4, 4);
sceGuShadeModel(GU_SMOOTH);
sceGuDrawBezier(GU_COLOR_8888 | GU_VERTEX_16BIT | GU_TRANSFORM_2D, 4, 2, NULL, vertices12_4x2);
sceGuDrawBezier(GU_COLOR_8888 | GU_VERTEX_16BIT | GU_TRANSFORM_2D, 4, 5, NULL, vertices13_4x5);
sceGuDrawBezier(GU_COLOR_8888 | GU_VERTEX_16BIT | GU_TRANSFORM_2D, 4, 8, NULL, vertices14_4x8);
sceGuDrawBezier(GU_COLOR_8888 | GU_VERTEX_16BIT | GU_TRANSFORM_2D | GU_INDEX_8BIT, 4, 4, indices15_inds8, vertices15_inds8);
sceGuDrawBezier(GU_COLOR_8888 | GU_VERTEX_16BIT | GU_TRANSFORM_2D | GU_INDEX_16BIT, 4, 4, indices16_inds16, vertices16_inds16);
sceGuDrawBezier(GU_COLOR_8888 | GU_VERTEX_16BIT | GU_TRANSFORM_2D | GU_INDEX_BITS, 4, 4, indices17_inds32, vertices17_inds32);
// Does the vertex pointer increment?
sceGuDrawBezier(GU_COLOR_8888 | GU_VERTEX_16BIT | GU_TRANSFORM_2D, 4, 4, NULL, vertices18_19_inc);
sceGuDrawBezier(GU_COLOR_8888 | GU_VERTEX_16BIT | GU_TRANSFORM_2D, 4, 4, NULL, NULL);
// And indices?
sceGuDrawBezier(GU_COLOR_8888 | GU_VERTEX_16BIT | GU_TRANSFORM_2D | GU_INDEX_8BIT, 4, 4, indices20_21_ind_inc, vertices20_21_ind_inc);
sceGuDrawBezier(GU_COLOR_8888 | GU_VERTEX_16BIT | GU_TRANSFORM_2D | GU_INDEX_8BIT, 4, 4, NULL, NULL);
// What happens with division set to 0?
sceGuShadeModel(GU_FLAT);
sceGuPatchDivide(0, 0);
sceGuDrawBezier(GU_COLOR_8888 | GU_VERTEX_16BIT | GU_TRANSFORM_2D, 4, 4, NULL, vertices22_div0);
endFrame();
}
static void gba_draw_bg_mode0 (void)
{
// goto show_tiles;
RETRO_PERFORMANCE_INIT(draw_bgs_procs);
RETRO_PERFORMANCE_START(draw_bgs_procs);
sceGuEnable(GU_BLEND);
sceGuBlendFunc(GU_ADD,GU_SRC_ALPHA,GU_ONE_MINUS_SRC_ALPHA,0xFFFFFFFF,0xFFFFFFFF);
// sceGuEnable(GU_DEPTH_TEST);
sceGuDepthMask(GU_FALSE);
sceGuDepthFunc(GU_GEQUAL);
// sceGuDisable(GU_BLEND);
//BG0
if (gba_video_registers->lcd_control.screen_display_BG3)
draw_bg(&gba_video_registers->BG3_control, &gba_video_registers->BG3_scroll);
if (gba_video_registers->lcd_control.screen_display_BG2)
draw_bg(&gba_video_registers->BG2_control, &gba_video_registers->BG2_scroll);
if (gba_video_registers->lcd_control.screen_display_BG1)
draw_bg(&gba_video_registers->BG1_control, &gba_video_registers->BG1_scroll);
if (gba_video_registers->lcd_control.screen_display_BG0)
draw_bg(&gba_video_registers->BG0_control, &gba_video_registers->BG0_scroll);
RETRO_PERFORMANCE_STOP(draw_bgs_procs);
RETRO_PERFORMANCE_INIT(draw_sprites_proc);
RETRO_PERFORMANCE_START(draw_sprites_proc);
// draw_sprites_old();
// sceGuClutMode(GU_PSM_5551,0,0xFF,32);
draw_sprites();
RETRO_PERFORMANCE_STOP(draw_sprites_proc);
return;
show_tiles:
sceGuTexMode(GU_PSM_T16, 0, 0, GU_TRUE);
sceGuClutMode(GU_PSM_5551,0,0xFF,0);
sceGuClutLoad(32, palette_ram);
sceGuDisable(GU_BLEND);
sceGuEnable(GU_TEXTURE_2D);
sceGuTexFunc(GU_TFX_REPLACE,GU_TCC_RGB);
// sceGuClutMode(GU_PSM_4444,0,0xFF,0);
// sceGuClutLoad(32, index_copy_clut);
if (show_4bit_tilemap)
{
sceGuTexImage(0, 256, 256, 256, ((u16*)GBA_VRAMTEXTURE_4bit)
+ 256 * 256 * tilemap_offset);
sceGuDrawArray(GU_SPRITES, GU_TEXTURE_16BIT | GU_VERTEX_16BIT |
GU_TRANSFORM_2D, 2, NULL,(void*)frame_256_256);
}
else
{
sceGuTexImage(0, 128, 256, 128, ((u16*)GBA_VRAMTEXTURE_8bit)
+ 128 * 256 * tilemap_offset);
sceGuDrawArray(GU_SPRITES, GU_TEXTURE_16BIT | GU_VERTEX_16BIT |
GU_TRANSFORM_2D, 2, NULL,(void*)frame_128_256);
}
}
static void *psp_init(const video_info_t *video,
const input_driver_t **input, void **input_data)
{
/* to-do : add ASSERT() checks or use main RAM if
* VRAM is too low for desired video->input_scale. */
void *pspinput;
int pixel_format, lut_pixel_format, lut_block_count;
unsigned int red_shift, color_mask;
void *displayBuffer, *LUT_r, *LUT_b;
psp1_video_t *psp = (psp1_video_t*)calloc(1, sizeof(psp1_video_t));
if (!psp)
return NULL;
sceGuInit();
psp->vp.x = 0;
psp->vp.y = 0;
psp->vp.width = SCEGU_SCR_WIDTH;
psp->vp.height = SCEGU_SCR_HEIGHT;
psp->vp.full_width = SCEGU_SCR_WIDTH;
psp->vp.full_height = SCEGU_SCR_HEIGHT;
/* Make sure anything using uncached pointers reserves
* whole cachelines (memory address and size need to be a multiple of 64)
* so it isn't overwritten by an unlucky cache writeback.
*
* This includes display lists since the Gu library uses
* uncached pointers to write to them. */
/* Allocate more space if bigger display lists are needed. */
psp->main_dList = memalign(64, 256);
psp->frame_dList = memalign(64, 256);
psp->menu.dList = memalign(64, 256);
psp->menu.frame = memalign(16, 2 * 480 * 272);
psp->frame_coords = memalign(64,
(((PSP_FRAME_SLICE_COUNT * sizeof(psp1_sprite_t)) + 63) & ~63));
psp->menu.frame_coords = memalign(64,
(((PSP_FRAME_SLICE_COUNT * sizeof(psp1_sprite_t)) + 63) & ~63));
memset(psp->frame_coords, 0,
PSP_FRAME_SLICE_COUNT * sizeof(psp1_sprite_t));
memset(psp->menu.frame_coords, 0,
PSP_FRAME_SLICE_COUNT * sizeof(psp1_sprite_t));
sceKernelDcacheWritebackInvalidateAll();
psp->frame_coords = TO_UNCACHED_PTR(psp->frame_coords);
psp->menu.frame_coords = TO_UNCACHED_PTR(psp->menu.frame_coords);
psp->frame_coords->v0.x = 60;
psp->frame_coords->v0.y = 0;
psp->frame_coords->v0.u = 0;
psp->frame_coords->v0.v = 0;
psp->frame_coords->v1.x = 420;
psp->frame_coords->v1.y = SCEGU_SCR_HEIGHT;
psp->frame_coords->v1.u = 256;
psp->frame_coords->v1.v = 240;
psp->vsync = video->vsync;
psp->rgb32 = video->rgb32;
if(psp->rgb32)
{
uint32_t* LUT_r_local = (uint32_t*)(SCEGU_VRAM_BP32_2);
uint32_t* LUT_b_local = (uint32_t*)(SCEGU_VRAM_BP32_2) + (1 << 8);
red_shift = 8 + 8;
color_mask = 0xFF;
lut_block_count = (1 << 8) / 8;
psp->texture = (void*)(LUT_b_local + (1 << 8));
psp->draw_buffer = SCEGU_VRAM_BP32_0;
psp->bpp_log2 = 2;
pixel_format = GU_PSM_8888;
lut_pixel_format = GU_PSM_T32;
displayBuffer = SCEGU_VRAM_BP32_1;
for (u32 i=0; i < (1 << 8); i++){
LUT_r_local[i]= i;
LUT_b_local[i]= i << (8 + 8);
}
LUT_r = (void*)LUT_r_local;
LUT_b = (void*)LUT_b_local;
}
else
{
uint16_t* LUT_r_local = (uint16_t*)(SCEGU_VRAM_BP_2);
uint16_t* LUT_b_local = (uint16_t*)(SCEGU_VRAM_BP_2) + (1 << 5);
red_shift = 6 + 5;
color_mask = 0x1F;
lut_block_count = (1 << 5) / 8;
psp->texture = (void*)(LUT_b_local + (1 << 5));
psp->draw_buffer = SCEGU_VRAM_BP_0;
psp->bpp_log2 = 1;
pixel_format =
(g_extern.system.pix_fmt == RETRO_PIXEL_FORMAT_0RGB1555)
? GU_PSM_5551 : GU_PSM_5650 ;
lut_pixel_format = GU_PSM_T16;
displayBuffer = SCEGU_VRAM_BP_1;
for (u16 i = 0; i < (1 << 5); i++)
{
LUT_r_local[i]= i;
LUT_b_local[i]= i << (5 + 6);
}
LUT_r = (void*)LUT_r_local;
LUT_b = (void*)LUT_b_local;
}
psp->tex_filter = video->smooth? GU_LINEAR : GU_NEAREST;
/* TODO: check if necessary. */
sceDisplayWaitVblankStart();
sceGuDisplay(GU_FALSE);
sceGuStart(GU_DIRECT, psp->main_dList);
sceGuDrawBuffer(pixel_format, TO_GU_POINTER(psp->draw_buffer),
SCEGU_VRAM_WIDTH);
sceGuDispBuffer(SCEGU_SCR_WIDTH, SCEGU_SCR_HEIGHT,
TO_GU_POINTER(displayBuffer), SCEGU_VRAM_WIDTH);
sceGuClearColor(0);
sceGuScissor(0, 0, SCEGU_SCR_WIDTH, SCEGU_SCR_HEIGHT);
sceGuEnable(GU_SCISSOR_TEST);
sceGuTexFilter(psp->tex_filter, psp->tex_filter);
sceGuTexWrap (GU_CLAMP, GU_CLAMP);
sceGuEnable(GU_TEXTURE_2D);
sceGuDisable(GU_DEPTH_TEST);
sceGuCallMode(GU_FALSE);
sceGuFinish();
sceGuSync(0, 0);
/* TODO : check if necessary */
sceDisplayWaitVblankStart();
sceGuDisplay(GU_TRUE);
pspDebugScreenSetColorMode(pixel_format);
pspDebugScreenSetBase(psp->draw_buffer);
/* fill frame_dList : */
sceGuStart(GU_CALL, psp->frame_dList);
sceGuTexMode(pixel_format, 0, 0, GU_FALSE);
sceGuTexFunc(GU_TFX_REPLACE, GU_TCC_RGB);
sceGuEnable(GU_BLEND);
/* green only */
sceGuBlendFunc(GU_ADD, GU_FIX, GU_FIX, 0x0000FF00, 0xFFFFFFFF);
sceGuDrawArray(GU_SPRITES, GU_TEXTURE_32BITF | GU_VERTEX_32BITF |
GU_TRANSFORM_2D, PSP_FRAME_VERTEX_COUNT, NULL,
(void*)(psp->frame_coords));
/* restore */
sceGuBlendFunc(GU_ADD, GU_FIX, GU_FIX, 0xFFFFFFFF, 0xFFFFFFFF);
sceGuTexMode(lut_pixel_format, 0, 0, GU_FALSE);
sceGuClutMode(pixel_format, red_shift, color_mask, 0);
sceGuClutLoad(lut_block_count, LUT_r);
sceGuDrawArray(GU_SPRITES, GU_TEXTURE_32BITF | GU_VERTEX_32BITF |
GU_TRANSFORM_2D, PSP_FRAME_VERTEX_COUNT, NULL,
(void*)(psp->frame_coords));
sceGuClutMode(pixel_format, 0, color_mask, 0);
sceGuClutLoad(lut_block_count, LUT_b);
sceGuDrawArray(GU_SPRITES, GU_TEXTURE_32BITF | GU_VERTEX_32BITF |
GU_TRANSFORM_2D, PSP_FRAME_VERTEX_COUNT, NULL,
(void*)(psp->frame_coords));
sceGuFinish();
if (input && input_data)
{
pspinput = input_psp.init();
*input = pspinput ? &input_psp : NULL;
*input_data = pspinput;
}
psp->vblank_not_reached = true;
sceKernelRegisterSubIntrHandler(PSP_VBLANK_INT, 0, psp_on_vblank, psp);
sceKernelEnableSubIntr(PSP_VBLANK_INT, 0);
psp->keep_aspect = true;
psp->should_resize = true;
psp->hw_render = false;
return psp;
error:
RARCH_ERR("PSP1 video could not be initialized.\n");
return (void*)-1;
}
static void draw_sprites(void)
{
int i;
psp1_sprite_t* tile_coords = sceGuGetMemory(128*sizeof(psp1_sprite_t));
// sceGuClutLoad(32, palette_ram + 256);
int mapping_mode_1D = gba_video_registers->lcd_control.obj_character_vram_mapping;
typedef struct {
int w;
int h;
}obj_size_t;
static const obj_size_t obj_size[4][4]=
{
{{8,8},{16,16},{32,32},{64,64}},
{{16,8},{32,8},{32,16},{64,32}},
{{8,16},{8,32},{16,32},{32,64}},
{{0,0},{0,0},{0,0},{0,0}}
};
sceGuTexMode(GU_PSM_T16, 0, 0, GU_TRUE);
sceGuTexFunc(GU_TFX_REPLACE, GU_TCC_RGBA);
sceGuTexScale_8bit(1.0,1.0);
sceGuClutLoad(32, palette_ram_4bit+256);
// for (i=0; i < 128; i++)
for (i=127; i >= 0; i--)
{
if (oam_attributes[i].obj_disable_flag)
continue;
if (oam_attributes[i].mode > 1)
continue;
if (oam_attributes[i].palette_mode_256)
{
sceGuClutLoad(32, palette_ram_8bit+256);
printf("256!\n");
sceGuClutLoad(32, palette_ram_4bit+256);
}
else
{
// printf("16!\n");
int size_id = oam_attributes[i].size;
int shape_id = oam_attributes[i].shape;
if (shape_id>3)
continue;
int width = obj_size[shape_id][size_id].w;
int height = obj_size[shape_id][size_id].h;
psp1_sprite_t temp;
temp = sprite_tiles[oam_attributes[i].flip_XY];
// temp = sprite_tiles[0];
temp.v1.x = width;
temp.v1.y = height;
*tile_coords = temp;
sceGuOffset_(-oam_attributes[i].X, -oam_attributes[i].Y);
if (mapping_mode_1D)
{
sceGuTexImage(0, width, height, width,
GBA_VRAMTEXTURE_4bit + 256*256*2 + oam_attributes[i].id * 64);
}
else
{
// printf("2d!!\n");
sceGuTexImage(0, width, height, 256,
GBA_VRAMTEXTURE_4bit + 256*256*2 + oam_attributes[i].id * 64);
}
sceGuClutMode(GU_PSM_5551,0,0x0F,oam_attributes[i].palette_id);
sceGuDrawArray(GU_SPRITES, GU_TEXTURE_8BIT | GU_VERTEX_16BIT |
GU_TRANSFORM_3D, 2, NULL,(void*)(tile_coords++));
}
}
}
