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Add support for a ridiculous number of texture formats.

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This commit is contained in:
Tony Wasserka 2014-12-10 21:51:00 +01:00
parent 40f123b7c0
commit 1c972ef3b9
3 changed files with 88 additions and 8 deletions
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22
src/video_core/pica.h
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@ -142,29 +142,39 @@ struct Regs {
RGBA5551 = 2,
RGB565 = 3,
RGBA4 = 4,
IA8 = 5,
I8 = 7,
A8 = 8,
IA4 = 9,
A4 = 11,
// TODO: Support for the other formats is not implemented, yet.
// Seems like they are luminance formats and compressed textures.
};
static unsigned BytesPerPixel(TextureFormat format) {
static unsigned NibblesPerPixel(TextureFormat format) {
switch (format) {
case TextureFormat::RGBA8:
return 4;
return 8;
case TextureFormat::RGB8:
return 3;
return 6;
case TextureFormat::RGBA5551:
case TextureFormat::RGB565:
case TextureFormat::RGBA4:
return 2;
case TextureFormat::IA8:
return 4;
default:
// placeholder for yet unknown formats
case TextureFormat::A4:
return 1;
case TextureFormat::I8:
case TextureFormat::A8:
case TextureFormat::IA4:
default: // placeholder for yet unknown formats
return 2;
}
}