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 *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->main_dList = memalign(16, 256); // make sure to allocate more space if bigger display lists are needed.
psp->frame_dList = memalign(16, 256);
psp->rgui.dList = memalign(16, 256);
psp->rgui.frame = memalign(16, 2 * 480 * 272);
psp->frame_coords = memalign(64, 1 * sizeof(psp1_sprite_t));
psp->rgui.frame_coords = memalign(64, 16 * sizeof(psp1_sprite_t));
memset(psp->frame_coords , 0, 1 * sizeof(psp1_sprite_t));
memset(psp->rgui.frame_coords , 0, 16 * sizeof(psp1_sprite_t));
sceKernelDcacheWritebackInvalidateAll();
psp->frame_coords = TO_UNCACHED_PTR(psp->frame_coords);
psp->rgui.frame_coords = TO_UNCACHED_PTR(psp->rgui.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 = 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;
}
sceDisplayWaitVblankStart(); // TODO : check if necessary
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(GU_LINEAR, GU_LINEAR); // TODO , move this to display list
sceGuTexWrap (GU_CLAMP, GU_CLAMP);
sceGuEnable(GU_TEXTURE_2D);
sceGuDisable(GU_DEPTH_TEST);
sceGuCallMode(GU_FALSE);
sceGuFinish();
sceGuSync(0, 0);
sceDisplayWaitVblankStart(); // TODO : check if necessary
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);
sceGuBlendFunc(GU_ADD, GU_FIX, GU_FIX, 0x0000FF00, 0xFFFFFFFF); // green only
sceGuDrawArray(GU_SPRITES, GU_TEXTURE_16BIT | GU_COLOR_4444 | GU_VERTEX_16BIT | GU_TRANSFORM_2D, 2, NULL, (void*)(psp->frame_coords));
sceGuBlendFunc(GU_ADD, GU_FIX, GU_FIX, 0xFFFFFFFF, 0xFFFFFFFF); // restore
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_16BIT | GU_COLOR_4444 | GU_VERTEX_16BIT | GU_TRANSFORM_2D, 2, NULL, (void*)(psp->frame_coords));
sceGuClutMode(pixel_format, 0, color_mask, 0);
sceGuClutLoad(lut_block_count, LUT_b);
sceGuDrawArray(GU_SPRITES, GU_TEXTURE_16BIT | GU_COLOR_4444 | GU_VERTEX_16BIT | GU_TRANSFORM_2D, 2, NULL, (void*)(psp->frame_coords));
sceGuFinish();
if (input && input_data)
{
pspinput = input_psp.init();
*input = pspinput ? &input_psp : NULL;
*input_data = pspinput;
}
return psp;
error:
RARCH_ERR("PSP1 video could not be initialized.\n");
return (void*)-1;
}
