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(PSP) improved screen blitting, using a fullscreen sprite instead of a

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sceGuCopyImage.
This commit is contained in:
aliaspider 2014-02-16 19:44:00 +01:00
parent 67724c3413
commit ffb0955f17
1 changed files with 39 additions and 26 deletions
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65
psp1/psp1_video.c
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@ -42,40 +42,45 @@ typedef struct psp1_video
unsigned tex_h;
} psp1_video_t;
typedef struct psp1_vertex
{
u16 u,v;
u16 color;
u16 x,y,z;
}psp1_vertex_t;
static unsigned int __attribute__((aligned(16))) list[262144];
static void init_texture(void *data, const video_info_t *video)
{
psp1_video_t *psp = (psp1_video_t*)data;
psp->rgb32 = video->rgb32;
sceGuInit();
sceGuStart(GU_DIRECT, list);
sceGuDrawBuffer(psp->rgb32 ? GU_PSM_8888 : GU_PSM_5650, (void*)0, SCEGU_VRAM_WIDTH);
sceGuDispBuffer(SCEGU_SCR_WIDTH, SCEGU_SCR_HEIGHT, (void*)0x88000, SCEGU_VRAM_WIDTH);
sceGuClear(GU_COLOR_BUFFER_BIT);
sceGuOffset(2048 - (SCEGU_SCR_WIDTH / 2), 2048 - (SCEGU_SCR_HEIGHT / 2));
sceGuViewport(2048, 2048, SCEGU_SCR_WIDTH, SCEGU_SCR_HEIGHT);
sceGuClearColor(GU_COLOR(0.0f,0.0f,1.0f,1.0f));
sceGuScissor(0, 0, SCEGU_SCR_WIDTH, SCEGU_SCR_HEIGHT);
sceGuEnable(GU_SCISSOR_TEST);
sceGuTexMode(psp->rgb32 ? GU_PSM_8888 : GU_PSM_5650, 0, 0, GU_FALSE);
sceGuTexFunc(GU_TFX_REPLACE, GU_TCC_RGBA);
sceGuTexFilter(GU_LINEAR, GU_LINEAR);
sceGuTexFilter(GU_LINEAR, GU_LINEAR);
sceGuTexWrap ( GU_CLAMP,GU_CLAMP );
sceGuEnable(GU_TEXTURE_2D);
sceGuFrontFace(GU_CW);
sceGuDisable(GU_BLEND);
sceGuDisable (GU_DEPTH_TEST);
sceGuFinish();
sceGuSync(0, 0);
sceDisplayWaitVblankStart();
sceGuDisplay(GU_TRUE);
psp->rgb32 = video->rgb32;
}
static void *psp_init(const video_info_t *video,
@ -125,28 +130,36 @@ static bool psp_frame(void *data, const void *frame,
(void)height;
(void)pitch;
(void)msg;
psp1_video_t *psp = (psp1_video_t*)data;
pitch= pitch/(psp->rgb32 ? 4 : 2);
if(!frame)
return true;
sceKernelDcacheWritebackInvalidateAll();
sceGuStart(GU_DIRECT, list);
sceGumMatrixMode(GU_PROJECTION);
sceGumLoadIdentity();
sceGumPerspective(75.0f,16.0f/9.0f,0.5f,1000.0f);
sceGumMatrixMode(GU_VIEW);
sceGumLoadIdentity();
sceGuClearColor(GU_COLOR(0.0f,0.0f,0.0f,1.0f));
sceGuClearDepth(0);
sceGuCopyImage(psp->rgb32 ?GU_PSM_8888:GU_PSM_5650,0,0,width,height,pitch / (psp->rgb32 ? 4 : 2),(void*)frame,0,0,512,(void*)0x44088000);
sceGuClear(GU_COLOR_BUFFER_BIT);
psp1_vertex_t* v = sceGuGetMemory(2*sizeof(psp1_vertex_t));
v[0].x=(SCEGU_SCR_WIDTH-width*SCEGU_SCR_HEIGHT/height)/2;
v[0].y=0;
v[0].u=2;
v[0].v=0;
v[1].x=(SCEGU_SCR_WIDTH+width*SCEGU_SCR_HEIGHT/height)/2;
v[1].y=(SCEGU_SCR_HEIGHT);
v[1].u=width+2;
v[1].v=height;
sceKernelDcacheWritebackInvalidateAll();
//could be unsafe , TODO: replace with sceGuTexImage(0,next_POT(width),next_POT(height),pitch,frame);
sceGuTexImage(0,pitch,pitch,pitch,frame);
sceGuDrawArray(GU_SPRITES,GU_TEXTURE_16BIT|GU_COLOR_5650|GU_VERTEX_16BIT|GU_TRANSFORM_2D,2,NULL,v);
sceGuFinish();
sceGuSync(0,0);
sceDisplayWaitVblankStart();
void *frame_ptr = (void*)&frame;
sceGuSwapBuffers();
return true;
}