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add double buffer support to sigmastar's gfx

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This commit is contained in:
houzh 2023-11-28 10:08:24 +08:00
parent 8e1f54754a
commit 00a6f29faa
1 changed files with 35 additions and 17 deletions
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52
src/porting/sigma/graph_gfx.c
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@ -38,7 +38,7 @@ typedef struct {
MI_PHY kbuffer;/*kernel buffer address,MI_PHY unsigned long long,nullptr for usermemory surface()*/
} FBSURFACE;
#define DOUBLE_BUFFER 0
#define DOUBLE_BUFFER 1
#define MAX_HWSURFACE 4
static FBDEVICE devs[2]= {-1};
static FBSURFACE *primarySurface;
@ -87,26 +87,30 @@ int GFXInit() {
MI_PHY preallocedMem;
ret = MI_SYS_MMA_Alloc("mma_heap_name0",allocedSize,&preallocedMem);
int index =1;
int index = 1;
devSurfaces[0].kbuffer = devs[0].fix.smem_start;
devSurfaces[0].msize=displayScreenSize;
devSurfaces[0].orig_buffer = devs[0].fix.smem_start;
devSurfaces[0].msize = displayScreenSize;
if((devs[0].fix.smem_start+displayScreenSize<preallocedMem)||(devs[0].fix.smem_start>preallocedMem+allocedSize)){
LOGD("fbmem %x,%x is not in prealocted memory's range",devs[0].fix.smem_start,devs[0].fix.smem_start+displayScreenSize);
for(int i=0;i<MAX_HWSURFACE+1;i++){
devSurfaces[i+1].kbuffer= preallocedMem+screenSize*i;
devSurfaces[i+1].msize = screenSize;
devSurfaces[i+1].orig_buffer = NULL;
index++;
}
}else{
for(size_t mem = devs[0].fix.smem_start ; mem - screenSize > preallocedMem ; mem -= screenSize){
devSurfaces[index].kbuffer = mem;
devSurfaces[index].msize = screenSize;
devSurfaces[index].orig_buffer = NULL;
index ++;
}
for(size_t mem = devs[0].fix.smem_start + displayScreenSize ; mem < preallocedMem+ allocedSize; mem += screenSize){
devSurfaces[index].kbuffer = mem;
devSurfaces[index].msize = screenSize;
devSurfaces[index].orig_buffer = NULL;
index ++;
}
}
@ -129,6 +133,9 @@ int GFXInit() {
}
LOGI("Surface[%d]buffer=%llx/%p %d",i,phySrcBufAddr,devSurfaces[i].buffer,devSurfaces[i].msize);
}
#if defined(DOUBLE_BUFFER)&&DOUBLE_BUFFER
MI_SYS_MemcpyPa(devSurfaces[0].kbuffer+screenSize,devSurfaces[0].kbuffer,screenSize);
#endif
LOGI("%d surfaces is configured for app usage",index);
return E_OK;
}
@ -217,24 +224,36 @@ INT GFXFillRect(HANDLE surface,const GFXRect*rect,UINT color) {
return E_OK;
}
#define DMAFLIP 1//uncomment this line to use GFXFLIP
INT GFXFlip(HANDLE surface) {
FBSURFACE*surf=(FBSURFACE*)surface;
const size_t screen_size=surf->height*surf->pitch;
if(surf->ishw && (surf->msize>screen_size) ) {
FBDEVICE*dev=&devs[surf->dispid];
LOGI_IF(screen_size!=dev->var.xres * dev->var.yres * dev->var.bits_per_pixel / 8,
"screensize=%dx%dx%dbpp",dev->var.xres,dev->var.yres,dev->var.bits_per_pixel);
LOGI("screensize=%dx%dx%dbpp current=%d",dev->var.xres,dev->var.yres,dev->var.bits_per_pixel,surf->current);
FBSURFACE dstSurf=*surf;
if(surf->current==0) {
LOGI_IF(dev->fix.smem_start!=surf->kbuffer,"kbuffer error1");
MI_SYS_MemcpyPa(surf->kbuffer+screen_size,surf->kbuffer,screen_size);//drawbuffer->screenbuffer
surf->buffer=surf->orig_buffer+screen_size;
dstSurf.kbuffer=surf->kbuffer+screen_size;
#if DMAFLIP
MI_SYS_MemcpyPa(surf->kbuffer+screen_size,surf->kbuffer,screen_size);
#else
GFXBlit(&dstSurf,0,0,surf,NULL);
#endif
surf->buffer = surf->orig_buffer+screen_size;
surf->kbuffer+=screen_size;
dev->var.yoffset=0;//dev->var.yres;
dev->var.yoffset = 0;
} else {
LOGI_IF(dev->fix.smem_start!=surf->kbuffer-screen_size,"kbuffer error2");
MI_SYS_MemcpyPa(surf->kbuffer-screen_size,surf->kbuffer,screen_size);//drawbuffer->screenbuffer
surf->buffer=surf->orig_buffer;
dev->var.yoffset=dev->var.yres;
dstSurf.kbuffer=surf->kbuffer-screen_size;
#if DMAFLIP
MI_SYS_MemcpyPa(surf->kbuffer-screen_size,surf->kbuffer,screen_size);
#else
GFXBlit(&dstSurf,0,0,surf,NULL);
#endif
surf->buffer = surf->orig_buffer;
dev->var.yoffset = dev->var.yres;
surf->kbuffer-=screen_size;
}
surf->current=(surf->current+1)%2;
@ -292,19 +311,18 @@ INT GFXCreateSurface(int dispid,HANDLE*surface,UINT width,UINT height,INT format
surf->format = format;
surf->ishw = hwsurface;
surf->pitch= surf->width*4;
surf->orig_buffer = NULL;
surf->current = 0;
surf->msize= surf->pitch*surf->height;
MI_S32 ret=0;
if(hwsurface) {
#if DOUBLE_BUFFER
surf->msize* = 2;
#if defined(DOUBLE_BUFFER)&&DOUBLE_BUFFER
surf->msize*= 2;
#endif
#if !defined(DOUBLE_BUFFER)||(DOUBLE_BUFFER==0)
dev->var.yoffset=0;
LOGI("ioctl offset(0)=%d dev=%p ret=%d",ioctl(dev->fb,FBIOPAN_DISPLAY,&dev->var),dev,ret);
#if DOUBLE_BUFFER
dev->var.yoffset=1280;
#else// DOUBLE_BUFFER
dev->var.yoffset = dev->var.yres;
LOGI("ioctl offset(0)=%d dev=%p",ioctl(dev->fb,FBIOPAN_DISPLAY,&dev->var),dev);
#endif
primarySurface = surf;