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GPU: Added RGB565/RGB8 framebuffer support and various cleanups.

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- Centralizes color format encode/decode functions.
- Fixes endianness issues.
- Implements remaining framebuffer formats in the debugger.
This commit is contained in:
bunnei 2015-02-25 22:44:55 -05:00
parent 44f46254dc
commit 34c31db14a
9 changed files with 214 additions and 195 deletions
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36
src/video_core/debug_utils/debug_utils.cpp
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@ -321,44 +321,32 @@ const Math::Vec4<u8> LookupTexture(const u8* source, int x, int y, const Texture
switch (info.format) {
case Regs::TextureFormat::RGBA8:
{
const u8* source_ptr = source + VideoCore::GetMortonOffset(x, y, 4);
return { source_ptr[3], source_ptr[2], source_ptr[1], disable_alpha ? (u8)255 : source_ptr[0] };
auto res = Color::DecodeRGBA8(source + VideoCore::GetMortonOffset(x, y, 4));
return { res.r(), res.g(), res.b(), disable_alpha ? 255 : res.a() };
}
case Regs::TextureFormat::RGB8:
{
const u8* source_ptr = source + VideoCore::GetMortonOffset(x, y, 3);
return { source_ptr[2], source_ptr[1], source_ptr[0], 255 };
auto res = Color::DecodeRGB8(source + VideoCore::GetMortonOffset(x, y, 3));
return { res.r(), res.g(), res.b(), 255 };
}
case Regs::TextureFormat::RGBA5551:
case Regs::TextureFormat::RGB5A1:
{
const u16 source_ptr = *(const u16*)(source + VideoCore::GetMortonOffset(x, y, 2));
u8 r = (source_ptr >> 11) & 0x1F;
u8 g = ((source_ptr) >> 6) & 0x1F;
u8 b = (source_ptr >> 1) & 0x1F;
u8 a = source_ptr & 1;
return Math::MakeVec<u8>(Color::Convert5To8(r), Color::Convert5To8(g),
Color::Convert5To8(b), disable_alpha ? 255 : Color::Convert1To8(a));
auto res = Color::DecodeRGB5A1(source + VideoCore::GetMortonOffset(x, y, 2));
return { res.r(), res.g(), res.b(), disable_alpha ? 255 : res.a() };
}
case Regs::TextureFormat::RGB565:
{
const u16 source_ptr = *(const u16*)(source + VideoCore::GetMortonOffset(x, y, 2));
u8 r = Color::Convert5To8((source_ptr >> 11) & 0x1F);
u8 g = Color::Convert6To8(((source_ptr) >> 5) & 0x3F);
u8 b = Color::Convert5To8((source_ptr) & 0x1F);
return Math::MakeVec<u8>(r, g, b, 255);
auto res = Color::DecodeRGB565(source + VideoCore::GetMortonOffset(x, y, 2));
return { res.r(), res.g(), res.b(), 255 };
}
case Regs::TextureFormat::RGBA4:
{
const u8* source_ptr = source + VideoCore::GetMortonOffset(x, y, 2);
u8 r = Color::Convert4To8(source_ptr[1] >> 4);
u8 g = Color::Convert4To8(source_ptr[1] & 0xF);
u8 b = Color::Convert4To8(source_ptr[0] >> 4);
u8 a = Color::Convert4To8(source_ptr[0] & 0xF);
return { r, g, b, disable_alpha ? (u8)255 : a };
auto res = Color::DecodeRGBA4(source + VideoCore::GetMortonOffset(x, y, 2));
return { res.r(), res.g(), res.b(), disable_alpha ? 255 : res.a() };
}
case Regs::TextureFormat::IA8:
@ -369,7 +357,7 @@ const Math::Vec4<u8> LookupTexture(const u8* source, int x, int y, const Texture
// Show intensity as red, alpha as green
return { source_ptr[1], source_ptr[0], 0, 255 };
} else {
return { source_ptr[1], source_ptr[1], source_ptr[1], source_ptr[0]};
return { source_ptr[1], source_ptr[1], source_ptr[1], source_ptr[0] };
}
}