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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@2 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2006-12-19 20:53:21 +00:00
parent 2cadbd5e56
commit cc68a136aa
341 changed files with 180839 additions and 0 deletions
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107
platform/win32/GenaDrive/TexScreen.cpp Normal file
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#include "app.h"
IDirect3DTexture8 *TexScreen=NULL;
int TexWidth=0,TexHeight=0;
// Blank the texture:
static int TexBlank()
{
D3DLOCKED_RECT lock={0,NULL};
unsigned char *dest=NULL;
int y=0,line=0;
TexScreen->LockRect(0,&lock,NULL,0); if (lock.pBits==NULL) return 1;
dest=(unsigned char *)lock.pBits;
for (y=0; y<TexHeight; y++,line+=lock.Pitch)
{
memset(dest+line,0,TexWidth<<1);
}
TexScreen->UnlockRect(0);
return 0;
}
int TexScreenInit()
{
TexWidth =512;
TexHeight=512;
Device->CreateTexture(TexWidth,TexHeight,1,0,D3DFMT_R5G6B5,D3DPOOL_MANAGED,&TexScreen);
if (TexScreen==NULL) return 1;
TexBlank();
return 0;
}
void TexScreenExit()
{
RELEASE(TexScreen)
TexWidth=TexHeight=0;
}
// Copy screen to a swizzled texture
int TexScreenSwizzle()
{
D3DLOCKED_RECT lock={0,NULL};
unsigned char *dest=NULL;
int y=0,sy=0,mask=0;
unsigned short *ps=NULL;
mask=TexWidth*TexHeight-1;
TexScreen->LockRect(0,&lock,NULL,0); if (lock.pBits==NULL) return 1;
dest=(unsigned char *)lock.pBits;
ps=EmuScreen;
// Write to swizzled locations:
for (y=0,sy=0; y<EmuHeight; y++,sy++)
{
int x=0,sx=0;
sy|=0x55555555;
for (x=0,sx=0; x<EmuWidth; x++,sx++)
{
int addr=0;
sx|=0xaaaaaaaa;
addr=sx&sy&mask; // Calculate swizzled address
((unsigned short *)dest)[addr]=*ps++;
}
}
TexScreen->UnlockRect(0);
return 0;
}
// Copy screen to a linear texture:
int TexScreenLinear()
{
D3DLOCKED_RECT lock={0,NULL};
unsigned char *dest=NULL;
int y=0,line=0;
unsigned short *ps=NULL;
TexScreen->LockRect(0,&lock,NULL,0); if (lock.pBits==NULL) return 1;
dest=(unsigned char *)lock.pBits;
ps=EmuScreen;
for (y=0; y<EmuHeight; y++,line+=lock.Pitch)
{
int x=0;
int addr=line;
for (x=0; x<EmuWidth; x++,addr+=2)
{
*(unsigned int *)(dest+addr)=*ps++;
}
}
TexScreen->UnlockRect(0);
return 0;
}