archive/Cemu
1
0
Fork 0
mirror of https://github.com/cemu-project/Cemu.git synced 2025-07-11 09:18:30 +12:00
Code Issues Projects Releases Packages Wiki Activity Actions

dedicated decoder for R4G4 and R4G4B4A4 to R8G8B8A8 (#331)

Browse source
This commit is contained in:
emiyl 2022-10-07 01:39:06 +01:00 • committed by GitHub
parent 4519a59d74
commit 00968acc1d
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
3 changed files with 121 additions and 14 deletions
Download patch file Download diff file Expand all files Collapse all files

117
src/Cafe/HW/Latte/Core/LatteTextureLoader.h
View file

@ -556,7 +556,7 @@ public:
}
};
class TextureDecoder_R4_G4_UNORM_toRGBA4444 : public TextureDecoder, public SingletonClass<TextureDecoder_R4_G4_UNORM_toRGBA4444>
class TextureDecoder_R4_G4_UNORM_To_RGBA4 : public TextureDecoder, public SingletonClass<TextureDecoder_R4_G4_UNORM_To_RGBA4>
{
public:
sint32 getBytesPerTexel(LatteTextureLoaderCtx* textureLoader) override
@ -594,7 +594,7 @@ public:
}
};
class TextureDecoder_R4_G4_UNORM_toRGBA4444_vk : public TextureDecoder, public SingletonClass<TextureDecoder_R4_G4_UNORM_toRGBA4444_vk>
class TextureDecoder_R4_G4_UNORM_To_RGBA4_vk : public TextureDecoder, public SingletonClass<TextureDecoder_R4_G4_UNORM_To_RGBA4_vk>
{
public:
sint32 getBytesPerTexel(LatteTextureLoaderCtx* textureLoader) override
@ -632,6 +632,52 @@ public:
}
};
class TextureDecoder_R4G4_UNORM_To_RGBA8 : public TextureDecoder, public SingletonClass<TextureDecoder_R4G4_UNORM_To_RGBA8>
{
public:
sint32 getBytesPerTexel(LatteTextureLoaderCtx* textureLoader) override
{
return 4;
}
void decode(LatteTextureLoaderCtx* textureLoader, uint8* outputData) override
{
for (sint32 y = 0; y < textureLoader->height; y += textureLoader->stepY)
{
sint32 yc = y;
for (sint32 x = 0; x < textureLoader->width; x += textureLoader->stepX)
{
uint8* blockData = LatteTextureLoader_GetInput(textureLoader, x, y);
sint32 pixelOffset = (x + yc * textureLoader->width) * 4;
uint8 v0 = (*(uint8*)(blockData + 0));
uint8 red4 = (v0 >> 4) & 0xF;
uint8 green4 = (v0 & 0xF);
red4 = (red4 << 4) | red4;
green4 = (green4 << 4) | green4;
*(uint8*)(outputData + pixelOffset + 0) = red4;
*(uint8*)(outputData + pixelOffset + 1) = green4;
*(uint8*)(outputData + pixelOffset + 2) = 0;
*(uint8*)(outputData + pixelOffset + 3) = 255;
}
}
}
void decodePixelToRGBA(uint8* blockData, uint8* outputPixel, uint8 blockOffsetX, uint8 blockOffsetY) override
{
uint8 v0 = *(blockData + 0);
uint8 red4 = (v0 >> 4) & 0xF;
uint8 green4 = (v0 & 0xF);
red4 = (red4 << 4) | red4;
green4 = (green4 << 4) | green4;
*(outputPixel + 0) = red4;
*(outputPixel + 1) = green4;
*(outputPixel + 2) = 0;
*(outputPixel + 3) = 255;
}
};
class TextureDecoder_R4_G4_B4_A4_UNORM : public TextureDecoder, public SingletonClass<TextureDecoder_R4_G4_B4_A4_UNORM>
{
@ -677,6 +723,67 @@ public:
}
};
class TextureDecoder_R4G4B4A4_UNORM_To_RGBA8 : public TextureDecoder, public SingletonClass<TextureDecoder_R4G4B4A4_UNORM_To_RGBA8>
{
public:
sint32 getBytesPerTexel(LatteTextureLoaderCtx* textureLoader) override
{
return 4;
}
void decode(LatteTextureLoaderCtx* textureLoader, uint8* outputData) override
{
for (sint32 y = 0; y < textureLoader->height; y += textureLoader->stepY)
{
sint32 yc = y;
for (sint32 x = 0; x < textureLoader->width; x += textureLoader->stepX)
{
uint8* blockData = LatteTextureLoader_GetInput(textureLoader, x, y);
sint32 pixelOffset = (x + yc * textureLoader->width) * 4;
uint8 v0 = (*(uint8*)(blockData + 0));
uint8 v1 = (*(uint8*)(blockData + 1));
uint8 red4 = (v0 & 0xF);
uint8 green4 = (v0 >> 4) & 0xF;
uint8 blue4 = (v1) & 0xF;
uint8 alpha4 = (v1 >> 4) & 0xF;
red4 = (red4 << 4) | red4;
green4 = (green4 << 4) | green4;
blue4 = (blue4 << 4) | blue4;
alpha4 = (alpha4 << 4) | alpha4;
*(uint8*)(outputData + pixelOffset + 0) = red4;
*(uint8*)(outputData + pixelOffset + 1) = green4;
*(uint8*)(outputData + pixelOffset + 2) = blue4;
*(uint8*)(outputData + pixelOffset + 3) = alpha4;
}
}
}
void decodePixelToRGBA(uint8* blockData, uint8* outputPixel, uint8 blockOffsetX, uint8 blockOffsetY) override
{
uint8 v0 = *(blockData + 0);
uint8 v1 = *(blockData + 1);
uint8 red4 = (v0 & 0xF);
uint8 green4 = (v0 >> 4) & 0xF;
uint8 blue4 = (v1) & 0xF;
uint8 alpha4 = (v1 >> 4) & 0xF;
red4 = (red4 << 4) | red4;
green4 = (green4 << 4) | green4;
blue4 = (blue4 << 4) | blue4;
alpha4 = (alpha4 << 4) | alpha4;
*(outputPixel + 0) = red4;
*(outputPixel + 1) = green4;
*(outputPixel + 2) = blue4;
*(outputPixel + 3) = alpha4;
}
};
class TextureDecoder_R8_G8_B8_A8 : public TextureDecoder, public SingletonClass<TextureDecoder_R8_G8_B8_A8>
{
public:
@ -978,7 +1085,7 @@ public:
}
};
class TextureDecoder_R5G6B5_UNORM_To_R8G8B8A8_UNORM : public TextureDecoder, public SingletonClass<TextureDecoder_R5G6B5_UNORM_To_R8G8B8A8_UNORM>
class TextureDecoder_R5G6B5_UNORM_To_RGBA8 : public TextureDecoder, public SingletonClass<TextureDecoder_R5G6B5_UNORM_To_RGBA8>
{
public:
sint32 getBytesPerTexel(LatteTextureLoaderCtx* textureLoader) override
@ -1236,7 +1343,7 @@ public:
}
};
class TextureDecoder_R10_G10_B10_A2_SNORM_toRGBA16 : public TextureDecoder, public SingletonClass<TextureDecoder_R10_G10_B10_A2_SNORM_toRGBA16>
class TextureDecoder_R10_G10_B10_A2_SNORM_To_RGBA16 : public TextureDecoder, public SingletonClass<TextureDecoder_R10_G10_B10_A2_SNORM_To_RGBA16>
{
public:
sint32 getBytesPerTexel(LatteTextureLoaderCtx* textureLoader) override
@ -1281,7 +1388,7 @@ public:
}
};
class TextureDecoder_A2_B10_G10_R10_UNORM_toRGBA16 : public TextureDecoder, public SingletonClass<TextureDecoder_A2_B10_G10_R10_UNORM_toRGBA16>
class TextureDecoder_A2_B10_G10_R10_UNORM_To_RGBA16 : public TextureDecoder, public SingletonClass<TextureDecoder_A2_B10_G10_R10_UNORM_To_RGBA16>
{
public:
sint32 getBytesPerTexel(LatteTextureLoaderCtx* textureLoader) override