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rsxutil.cpp
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rsxutil.cpp
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#include <rsx/rsx.h>
#include <sysutil/video.h>
#include <malloc.h>
#define GCM_LABEL_INDEX 255
#define CB_SIZE 0x100000
#define HOST_SIZE (32*1024*1024)
namespace {
videoResolution res;
gcmContextData *context = NULL;
u32 curr_fb = 0;
u32 first_fb = 1;
u32 display_width;
u32 display_height;
u32 depth_pitch;
u32 depth_offset;
u32 *depth_buffer;
u32 color_pitch;
u32 color_offset[2];
u32 *color_buffer[2];
static u32 sLabelVal = 1;
static void wait_finish(){
rsxSetWriteBackendLabel(context,GCM_LABEL_INDEX,sLabelVal);
rsxFlushBuffer(context);
while(*(vu32*)gcmGetLabelAddress(GCM_LABEL_INDEX)!=sLabelVal)
usleep(30);
++sLabelVal;
}
static void wait_rsx_idle(){
rsxSetWriteBackendLabel(context,GCM_LABEL_INDEX,sLabelVal);
rsxSetWaitLabel(context,GCM_LABEL_INDEX,sLabelVal);
++sLabelVal;
wait_finish();
}
void init_screen2(){
videoState state;
videoGetState(0,0,&state);
videoGetResolution(state.displayMode.resolution,&res);
videoConfiguration vconfig;
memset(&vconfig,0,sizeof(videoConfiguration));
vconfig.resolution = state.displayMode.resolution;
vconfig.format = VIDEO_BUFFER_FORMAT_XRGB;
vconfig.pitch = res.width*sizeof(u32);
videoConfigure(0,&vconfig,NULL,0);
}
void init_screen(void *host_addr,u32 size){
context = rsxInit(CB_SIZE,size,host_addr);
videoState state;
videoGetState(0,0,&state);
videoGetResolution(state.displayMode.resolution,&res);
videoConfiguration vconfig;
memset(&vconfig,0,sizeof(videoConfiguration));
vconfig.resolution = state.displayMode.resolution;
vconfig.format = VIDEO_BUFFER_FORMAT_XRGB;
vconfig.pitch = res.width*sizeof(u32);
wait_rsx_idle();
videoConfigure(0,&vconfig,NULL,0);
videoGetState(0,0,&state);
gcmSetFlipMode(GCM_FLIP_VSYNC);
display_width = res.width;
display_height = res.height;
color_pitch = display_width*sizeof(u32);
color_buffer[0] = (u32*)rsxMemalign(64,(display_height*color_pitch));
color_buffer[1] = (u32*)rsxMemalign(64,(display_height*color_pitch));
rsxAddressToOffset(color_buffer[0],&color_offset[0]);
rsxAddressToOffset(color_buffer[1],&color_offset[1]);
gcmSetDisplayBuffer(0,color_offset[0],color_pitch,display_width,display_height);
gcmSetDisplayBuffer(1,color_offset[1],color_pitch,display_width,display_height);
depth_pitch = display_width*sizeof(u32);
depth_buffer = (u32*)rsxMemalign(64,(display_height*depth_pitch)*2);
rsxAddressToOffset(depth_buffer,&depth_offset);
}
}

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