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- add S3TC support to BltFast (fixes NOLF)
- proper surface unlocking in case of error in the Blt case
This commit is contained in:
Lionel Ulmer
Alexandre Julliard
parent
1866dfbe16
commit
fbf003dd39
@ -359,26 +359,132 @@ static HRESULT _Blt_ColorFill(
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return DD_OK;
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return DD_OK;
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}
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}
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void ComputeShifts(DWORD mask, DWORD* lshift, DWORD* rshift)
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static void ComputeShifts(DWORD mask, DWORD* lshift, DWORD* rshift)
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{
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{
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int pos = 0;
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int pos = 0;
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int bits = 0;
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int bits = 0;
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*lshift = 0;
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*lshift = 0;
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*rshift = 0;
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*rshift = 0;
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if (!mask)
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if (!mask)
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return;
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return;
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while(!(mask & (1 << pos)))
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while(!(mask & (1 << pos)))
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pos++;
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pos++;
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while(mask & (1 << (pos+bits)))
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while(mask & (1 << (pos+bits)))
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bits++;
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bits++;
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*lshift = pos;
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*lshift = pos;
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*rshift = 8 - bits;
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*rshift = 8 - bits;
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}
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}
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/* This is used to factorize the decompression between the Blt and BltFast code */
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static void DoDXTCDecompression(const DDSURFACEDESC2 *sdesc, const DDSURFACEDESC2 *ddesc)
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{
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DWORD rs,rb,rm;
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DWORD gs,gb,gm;
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DWORD bs,bb,bm;
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DWORD as,ab,am;
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if (!s3tc_initialized) {
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/* FIXME: We may fake this by rendering the texture into the framebuffer using OpenGL functions and reading back
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* the framebuffer. This will be slow and somewhat ugly. */
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FIXME("Manual S3TC decompression is not supported in native mode\n");
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return;
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}
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rm = ddesc->u4.ddpfPixelFormat.u2.dwRBitMask;
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ComputeShifts(rm, &rs, &rb);
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gm = ddesc->u4.ddpfPixelFormat.u3.dwGBitMask;
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ComputeShifts(gm, &gs, &gb);
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bm = ddesc->u4.ddpfPixelFormat.u4.dwBBitMask;
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ComputeShifts(bm, &bs, &bb);
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am = ddesc->u4.ddpfPixelFormat.u5.dwRGBAlphaBitMask;
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ComputeShifts(am, &as, &ab);
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if (sdesc->u4.ddpfPixelFormat.dwFourCC == MAKE_FOURCC('D','X','T','1')) {
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int is16 = ddesc->u4.ddpfPixelFormat.u1.dwRGBBitCount == 16;
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int pitch = ddesc->u1.lPitch;
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int width = ddesc->dwWidth;
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int height = ddesc->dwHeight;
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int x,y;
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char* dst = (char*) ddesc->lpSurface;
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char* src = (char*) sdesc->lpSurface;
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for (x = 0; x < width; x++)
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for (y =0; y < height; y++) {
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DWORD pixel = 0;
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BYTE data[4];
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(*fetch_2d_texel_rgba_dxt1)(width, src, x, y, data);
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pixel = 0;
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pixel |= ((data[0] >> rb) << rs) & rm;
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pixel |= ((data[1] >> gb) << gs) & gm;
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pixel |= ((data[2] >> bb) << bs) & bm;
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pixel |= ((data[3] >> ab) << as) & am;
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if (is16)
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*((WORD*)(dst+y*pitch+x*(is16?2:4))) = pixel;
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else
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*((DWORD*)(dst+y*pitch+x*(is16?2:4))) = pixel;
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}
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} else if (sdesc->u4.ddpfPixelFormat.dwFourCC == MAKE_FOURCC('D','X','T','3')) {
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int is16 = ddesc->u4.ddpfPixelFormat.u1.dwRGBBitCount == 16;
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int pitch = ddesc->u1.lPitch;
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int width = ddesc->dwWidth;
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int height = ddesc->dwHeight;
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int x,y;
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char* dst = (char*) ddesc->lpSurface;
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char* src = (char*) sdesc->lpSurface;
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for (x = 0; x < width; x++)
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for (y =0; y < height; y++) {
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DWORD pixel = 0;
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BYTE data[4];
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(*fetch_2d_texel_rgba_dxt3)(width, src, x, y, data);
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pixel = 0;
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pixel |= ((data[0] >> rb) << rs) & rm;
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pixel |= ((data[1] >> gb) << gs) & gm;
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pixel |= ((data[2] >> bb) << bs) & bm;
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pixel |= ((data[3] >> ab) << as) & am;
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if (is16)
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*((WORD*)(dst+y*pitch+x*(is16?2:4))) = pixel;
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else
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*((DWORD*)(dst+y*pitch+x*(is16?2:4))) = pixel;
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}
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} else if (sdesc->u4.ddpfPixelFormat.dwFourCC == MAKE_FOURCC('D','X','T','5')) {
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int is16 = ddesc->u4.ddpfPixelFormat.u1.dwRGBBitCount == 16;
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int pitch = ddesc->u1.lPitch;
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int width = ddesc->dwWidth;
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int height = ddesc->dwHeight;
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int x,y;
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char* dst = (char*) ddesc->lpSurface;
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char* src = (char*) sdesc->lpSurface;
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for (x = 0; x < width; x++)
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for (y =0; y < height; y++) {
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DWORD pixel = 0;
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BYTE data[4];
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(*fetch_2d_texel_rgba_dxt5)(width, src, x, y, data);
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pixel = 0;
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pixel |= ((data[0] >> rb) << rs) & rm;
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pixel |= ((data[1] >> gb) << gs) & gm;
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pixel |= ((data[2] >> bb) << bs) & bm;
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pixel |= ((data[3] >> ab) << as) & am;
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if (is16)
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*((WORD*)(dst+y*pitch+x*(is16?2:4))) = pixel;
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else
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*((DWORD*)(dst+y*pitch+x*(is16?2:4))) = pixel;
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}
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}
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#if 0 /* Usefull for debugging */
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{
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static int idx;
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char texname[255];
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FILE* f;
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sprintf(texname, "dxt_%d.pnm", idx++);
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f = fopen(texname,"w");
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DDRAW_dump_surface_to_disk(This, f, 1);
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fclose(f);
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}
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#endif
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}
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HRESULT WINAPI
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HRESULT WINAPI
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DIB_DirectDrawSurface_Blt(LPDIRECTDRAWSURFACE7 iface, LPRECT rdst,
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DIB_DirectDrawSurface_Blt(LPDIRECTDRAWSURFACE7 iface, LPRECT rdst,
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LPDIRECTDRAWSURFACE7 src, LPRECT rsrc,
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LPDIRECTDRAWSURFACE7 src, LPRECT rsrc,
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@ -391,7 +497,7 @@ DIB_DirectDrawSurface_Blt(LPDIRECTDRAWSURFACE7 iface, LPRECT rdst,
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int bpp, srcheight, srcwidth, dstheight, dstwidth, width;
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int bpp, srcheight, srcwidth, dstheight, dstwidth, width;
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int x, y;
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int x, y;
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LPBYTE dbuf, sbuf;
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LPBYTE dbuf, sbuf;
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TRACE("(%p)->(%p,%p,%p,%08lx,%p)\n", This,rdst,src,rsrc,dwFlags,lpbltfx);
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TRACE("(%p)->(%p,%p,%p,%08lx,%p)\n", This,rdst,src,rsrc,dwFlags,lpbltfx);
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if (TRACE_ON(ddraw)) {
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if (TRACE_ON(ddraw)) {
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@ -422,7 +528,8 @@ DIB_DirectDrawSurface_Blt(LPDIRECTDRAWSURFACE7 iface, LPRECT rdst,
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(ddesc.u4.ddpfPixelFormat.dwFlags & DDPF_FOURCC)) {
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(ddesc.u4.ddpfPixelFormat.dwFlags & DDPF_FOURCC)) {
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if (sdesc.u4.ddpfPixelFormat.dwFourCC != sdesc.u4.ddpfPixelFormat.dwFourCC) {
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if (sdesc.u4.ddpfPixelFormat.dwFourCC != sdesc.u4.ddpfPixelFormat.dwFourCC) {
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FIXME("FOURCC->FOURCC copy only supported for the same type of surface\n");
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FIXME("FOURCC->FOURCC copy only supported for the same type of surface\n");
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return DDERR_INVALIDPIXELFORMAT;
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ret = DDERR_INVALIDPIXELFORMAT;
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goto release;
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}
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}
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memcpy(ddesc.lpSurface, sdesc.lpSurface, ddesc.u1.dwLinearSize);
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memcpy(ddesc.lpSurface, sdesc.lpSurface, ddesc.u1.dwLinearSize);
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goto release;
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goto release;
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@ -430,107 +537,7 @@ DIB_DirectDrawSurface_Blt(LPDIRECTDRAWSURFACE7 iface, LPRECT rdst,
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if ((sdesc.u4.ddpfPixelFormat.dwFlags & DDPF_FOURCC) &&
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if ((sdesc.u4.ddpfPixelFormat.dwFlags & DDPF_FOURCC) &&
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(!(ddesc.u4.ddpfPixelFormat.dwFlags & DDPF_FOURCC))) {
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(!(ddesc.u4.ddpfPixelFormat.dwFlags & DDPF_FOURCC))) {
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DWORD rs,rb,rm;
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DoDXTCDecompression(&sdesc, &ddesc);
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DWORD gs,gb,gm;
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DWORD bs,bb,bm;
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DWORD as,ab,am;
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if (!s3tc_initialized) {
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/* FIXME: We may fake this by rendering the texture into the framebuffer using OpenGL functions and reading back
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* the framebuffer. This will be slow and somewhat ugly. */
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FIXME("Manual S3TC decompression is not supported in native mode\n");
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goto release;
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}
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rm = ddesc.u4.ddpfPixelFormat.u2.dwRBitMask;
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ComputeShifts(rm, &rs, &rb);
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gm = ddesc.u4.ddpfPixelFormat.u3.dwGBitMask;
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ComputeShifts(gm, &gs, &gb);
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bm = ddesc.u4.ddpfPixelFormat.u4.dwBBitMask;
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ComputeShifts(bm, &bs, &bb);
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am = ddesc.u4.ddpfPixelFormat.u5.dwRGBAlphaBitMask;
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ComputeShifts(am, &as, &ab);
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if (sdesc.u4.ddpfPixelFormat.dwFourCC == MAKE_FOURCC('D','X','T','1')) {
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int is16 = ddesc.u4.ddpfPixelFormat.u1.dwRGBBitCount == 16;
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int pitch = ddesc.u1.lPitch;
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int width = ddesc.dwWidth;
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int height = ddesc.dwHeight;
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int x,y;
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char* dst = (char*) ddesc.lpSurface;
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char* src = (char*) sdesc.lpSurface;
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for (x = 0; x < width; x++)
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for (y =0; y < height; y++) {
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DWORD pixel = 0;
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BYTE data[4];
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(*fetch_2d_texel_rgba_dxt1)(width, src, x, y, data);
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pixel = 0;
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pixel |= ((data[0] >> rb) << rs) & rm;
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pixel |= ((data[1] >> gb) << gs) & gm;
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pixel |= ((data[2] >> bb) << bs) & bm;
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pixel |= ((data[3] >> ab) << as) & am;
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if (is16)
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*((WORD*)(dst+y*pitch+x*(is16?2:4))) = pixel;
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else
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*((DWORD*)(dst+y*pitch+x*(is16?2:4))) = pixel;
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}
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} else if (sdesc.u4.ddpfPixelFormat.dwFourCC == MAKE_FOURCC('D','X','T','3')) {
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int is16 = ddesc.u4.ddpfPixelFormat.u1.dwRGBBitCount == 16;
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int pitch = ddesc.u1.lPitch;
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int width = ddesc.dwWidth;
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int height = ddesc.dwHeight;
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int x,y;
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char* dst = (char*) ddesc.lpSurface;
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char* src = (char*) sdesc.lpSurface;
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for (x = 0; x < width; x++)
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for (y =0; y < height; y++) {
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DWORD pixel = 0;
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BYTE data[4];
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(*fetch_2d_texel_rgba_dxt3)(width, src, x, y, data);
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pixel = 0;
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pixel |= ((data[0] >> rb) << rs) & rm;
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pixel |= ((data[1] >> gb) << gs) & gm;
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pixel |= ((data[2] >> bb) << bs) & bm;
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pixel |= ((data[3] >> ab) << as) & am;
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if (is16)
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*((WORD*)(dst+y*pitch+x*(is16?2:4))) = pixel;
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else
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*((DWORD*)(dst+y*pitch+x*(is16?2:4))) = pixel;
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}
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} else if (sdesc.u4.ddpfPixelFormat.dwFourCC == MAKE_FOURCC('D','X','T','5')) {
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int is16 = ddesc.u4.ddpfPixelFormat.u1.dwRGBBitCount == 16;
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int pitch = ddesc.u1.lPitch;
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int width = ddesc.dwWidth;
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int height = ddesc.dwHeight;
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int x,y;
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char* dst = (char*) ddesc.lpSurface;
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char* src = (char*) sdesc.lpSurface;
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for (x = 0; x < width; x++)
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for (y =0; y < height; y++) {
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DWORD pixel = 0;
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BYTE data[4];
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(*fetch_2d_texel_rgba_dxt5)(width, src, x, y, data);
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pixel = 0;
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pixel |= ((data[0] >> rb) << rs) & rm;
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pixel |= ((data[1] >> gb) << gs) & gm;
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pixel |= ((data[2] >> bb) << bs) & bm;
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pixel |= ((data[3] >> ab) << as) & am;
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if (is16)
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*((WORD*)(dst+y*pitch+x*(is16?2:4))) = pixel;
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else
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*((DWORD*)(dst+y*pitch+x*(is16?2:4))) = pixel;
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}
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}
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#if 0 /* Usefull for debugging */
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{
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|
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static int idx;
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char texname[255];
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FILE* f;
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sprintf(texname, "dxt_%d.pnm", idx++);
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f = fopen(texname,"w");
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DDRAW_dump_surface_to_disk(This, f, 1);
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fclose(f);
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}
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#endif
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goto release;
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goto release;
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}
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}
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@ -984,14 +991,6 @@ DIB_DirectDrawSurface_BltFast(LPDIRECTDRAWSURFACE7 iface, DWORD dstx,
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ddesc = This->surface_desc;
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ddesc = This->surface_desc;
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sdesc = (ICOM_OBJECT(IDirectDrawSurfaceImpl, IDirectDrawSurface7, src))->surface_desc;
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sdesc = (ICOM_OBJECT(IDirectDrawSurfaceImpl, IDirectDrawSurface7, src))->surface_desc;
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if ((sdesc.u4.ddpfPixelFormat.dwFlags & DDPF_FOURCC) && (ddesc.u4.ddpfPixelFormat.dwFlags & DDPF_FOURCC)) {
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if (trans)
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FIXME("trans arg not supported when a FOURCC surface is involved\n");
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if (dstx || dsty)
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FIXME("offset for destination surface is not supported\n");
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DIB_DirectDrawSurface_Blt(iface, NULL, src, rsrc, 0, NULL);
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}
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if (!rsrc) {
|
if (!rsrc) {
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WARN("rsrc is NULL!\n");
|
WARN("rsrc is NULL!\n");
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rsrc = &rsrc2;
|
rsrc = &rsrc2;
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@ -1027,6 +1026,26 @@ DIB_DirectDrawSurface_BltFast(LPDIRECTDRAWSURFACE7 iface, DWORD dstx,
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ddesc.dwSize = sizeof(ddesc);
|
ddesc.dwSize = sizeof(ddesc);
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IDirectDrawSurface7_Lock(iface, &lock_dst, &ddesc, DDLOCK_WRITEONLY, 0);
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IDirectDrawSurface7_Lock(iface, &lock_dst, &ddesc, DDLOCK_WRITEONLY, 0);
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/* Handle first the FOURCC surfaces... */
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if ((sdesc.u4.ddpfPixelFormat.dwFlags & DDPF_FOURCC) && (ddesc.u4.ddpfPixelFormat.dwFlags & DDPF_FOURCC)) {
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if (trans)
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|
FIXME("trans arg not supported when a FOURCC surface is involved\n");
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|
if (dstx || dsty)
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|
FIXME("offset for destination surface is not supported\n");
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if (sdesc.u4.ddpfPixelFormat.dwFourCC != sdesc.u4.ddpfPixelFormat.dwFourCC) {
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FIXME("FOURCC->FOURCC copy only supported for the same type of surface\n");
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|
ret = DDERR_INVALIDPIXELFORMAT;
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goto error;
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}
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memcpy(ddesc.lpSurface, sdesc.lpSurface, ddesc.u1.dwLinearSize);
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goto error;
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}
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if ((sdesc.u4.ddpfPixelFormat.dwFlags & DDPF_FOURCC) &&
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(!(ddesc.u4.ddpfPixelFormat.dwFlags & DDPF_FOURCC))) {
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DoDXTCDecompression(&sdesc, &ddesc);
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goto error;
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}
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bpp = GET_BPP(This->surface_desc);
|
bpp = GET_BPP(This->surface_desc);
|
||||||
sbuf = (BYTE *) sdesc.lpSurface;
|
sbuf = (BYTE *) sdesc.lpSurface;
|
||||||
dbuf = (BYTE *) ddesc.lpSurface;
|
dbuf = (BYTE *) ddesc.lpSurface;
|
||||||
|
|||||||
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Reference in New Issue
Block a user