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softgpu : use switch case for texture format

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This commit is contained in:
raven02 2013-08-27 16:26:01 +08:00
parent bfd60e95a4
commit eca79d35a7
1 changed files with 45 additions and 42 deletions
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87
GPU/Software/Rasterizer.cpp
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@ -72,21 +72,21 @@ static inline u32 LookupColor(unsigned int index, unsigned int level)
// TODO: No idea if these bswaps are correct // TODO: No idea if these bswaps are correct
switch (gstate.getClutPaletteFormat()) { switch (gstate.getClutPaletteFormat()) {
case GE_TFMT_5650: case GE_TFMT_5650:
return DecodeRGB565(reinterpret_cast<u16*>(clut)[index + clutSharingOffset]); return DecodeRGB565(reinterpret_cast<u16*>(clut)[index + clutSharingOffset]);
case GE_TFMT_5551: case GE_TFMT_5551:
return DecodeRGBA5551(reinterpret_cast<u16*>(clut)[index + clutSharingOffset]); return DecodeRGBA5551(reinterpret_cast<u16*>(clut)[index + clutSharingOffset]);
case GE_TFMT_4444: case GE_TFMT_4444:
return DecodeRGBA4444(reinterpret_cast<u16*>(clut)[index + clutSharingOffset]); return DecodeRGBA4444(reinterpret_cast<u16*>(clut)[index + clutSharingOffset]);
case GE_TFMT_8888: case GE_TFMT_8888:
return DecodeRGBA8888(clut[index + clutSharingOffset]); return DecodeRGBA8888(clut[index + clutSharingOffset]);
default: default:
ERROR_LOG(G3D, "Unsupported palette format: %x", gstate.getClutPaletteFormat()); ERROR_LOG(G3D, "Unsupported palette format: %x", gstate.getClutPaletteFormat());
return 0; return 0;
} }
} }
@ -123,8 +123,7 @@ static inline void GetTexelCoordinates(int level, float s, float t, unsigned int
static inline void GetTextureCoordinates(const VertexData& v0, const VertexData& v1, const VertexData& v2, int w0, int w1, int w2, float& s, float& t) static inline void GetTextureCoordinates(const VertexData& v0, const VertexData& v1, const VertexData& v2, int w0, int w1, int w2, float& s, float& t)
{ {
switch (gstate.getUVGenMode()) switch (gstate.getUVGenMode()) {
{
case GE_TEXMAP_TEXTURE_COORDS: case GE_TEXMAP_TEXTURE_COORDS:
case GE_TEXMAP_UNKNOWN: case GE_TEXMAP_UNKNOWN:
case GE_TEXMAP_ENVIRONMENT_MAP: case GE_TEXMAP_ENVIRONMENT_MAP:
@ -158,7 +157,6 @@ static inline void GetTextureCoordinates(const VertexData& v0, const VertexData&
default: default:
ERROR_LOG(G3D, "Unsupported texture mapping mode %x!", gstate.getUVGenMode()); ERROR_LOG(G3D, "Unsupported texture mapping mode %x!", gstate.getUVGenMode());
break; break;
} }
} }
@ -173,43 +171,48 @@ static inline u32 SampleNearest(int level, unsigned int u, unsigned int v)
// TODO: Should probably check if textures are aligned properly... // TODO: Should probably check if textures are aligned properly...
if (texfmt == GE_TFMT_4444) { switch (texfmt) {
case GE_TFMT_4444:
srcptr += GetPixelDataOffset(16, texbufwidth*8, u, v); srcptr += GetPixelDataOffset(16, texbufwidth*8, u, v);
return DecodeRGBA4444(*(u16*)srcptr); return DecodeRGBA4444(*(u16*)srcptr);
} else if (texfmt == GE_TFMT_5551) {
case GE_TFMT_5551:
srcptr += GetPixelDataOffset(16, texbufwidth*8, u, v); srcptr += GetPixelDataOffset(16, texbufwidth*8, u, v);
return DecodeRGBA5551(*(u16*)srcptr); return DecodeRGBA5551(*(u16*)srcptr);
} else if (texfmt == GE_TFMT_5650) {
case GE_TFMT_5650:
srcptr += GetPixelDataOffset(16, texbufwidth*8, u, v); srcptr += GetPixelDataOffset(16, texbufwidth*8, u, v);
return DecodeRGB565(*(u16*)srcptr); return DecodeRGB565(*(u16*)srcptr);
} else if (texfmt == GE_TFMT_8888) {
case GE_TFMT_8888:
srcptr += GetPixelDataOffset(32, texbufwidth*8, u, v); srcptr += GetPixelDataOffset(32, texbufwidth*8, u, v);
return DecodeRGBA8888(*(u32*)srcptr); return DecodeRGBA8888(*(u32*)srcptr);
} else if (texfmt == GE_TFMT_CLUT32) {
srcptr += GetPixelDataOffset(32, texbufwidth*8, u, v);
u32 val = srcptr[0] + (srcptr[1] << 8) + (srcptr[2] << 16) + (srcptr[3] << 24); case GE_TFMT_CLUT32:
{
return LookupColor(gstate.transformClutIndex(val), level); srcptr += GetPixelDataOffset(32, texbufwidth*8, u, v);
} else if (texfmt == GE_TFMT_CLUT16) { u32 val = srcptr[0] + (srcptr[1] << 8) + (srcptr[2] << 16) + (srcptr[3] << 24);
srcptr += GetPixelDataOffset(16, texbufwidth*8, u, v); return LookupColor(gstate.transformClutIndex(val), level);
}
u16 val = srcptr[0] + (srcptr[1] << 8); case GE_TFMT_CLUT16:
{
return LookupColor(gstate.transformClutIndex(val), level); srcptr += GetPixelDataOffset(16, texbufwidth*8, u, v);
} else if (texfmt == GE_TFMT_CLUT8) { u16 val = srcptr[0] + (srcptr[1] << 8);
srcptr += GetPixelDataOffset(8, texbufwidth*8, u, v); return LookupColor(gstate.transformClutIndex(val), level);
}
u8 val = *srcptr; case GE_TFMT_CLUT8:
{
return LookupColor(gstate.transformClutIndex(val), level); srcptr += GetPixelDataOffset(8, texbufwidth*8, u, v);
} else if (texfmt == GE_TFMT_CLUT4) { u8 val = *srcptr;
srcptr += GetPixelDataOffset(4, texbufwidth*8, u, v); return LookupColor(gstate.transformClutIndex(val), level);
}
u8 val = (u & 1) ? (srcptr[0] >> 4) : (srcptr[0] & 0xF); case GE_TFMT_CLUT4:
{
return LookupColor(gstate.transformClutIndex(val), level); srcptr += GetPixelDataOffset(4, texbufwidth*8, u, v);
} else { u8 val = (u & 1) ? (srcptr[0] >> 4) : (srcptr[0] & 0xF);
return LookupColor(gstate.transformClutIndex(val), level);
}
default:
ERROR_LOG(G3D, "Unsupported texture format: %x", texfmt); ERROR_LOG(G3D, "Unsupported texture format: %x", texfmt);
return 0; return 0;
} }