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pica: add registers for texture cube

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This commit is contained in:
wwylele 2017-05-20 23:14:22 +03:00
parent 96528b3aab
commit 077cc683e5
1 changed files with 26 additions and 1 deletions
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27
src/video_core/regs_texturing.h
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@ -133,7 +133,32 @@ struct TexturingRegs {
BitField<16, 1, u32> clear_texture_cache; // TODO: unimplemented
} main_config;
TextureConfig texture0;
INSERT_PADDING_WORDS(0x8);
enum class CubeFace {
PositiveX = 0,
NegativeX = 1,
PositiveY = 2,
NegativeY = 3,
PositiveZ = 4,
NegativeZ = 5,
};
BitField<0, 22, u32> cube_address[5];
PAddr GetCubePhysicalAddress(CubeFace face) const {
PAddr address = texture0.address;
if (face != CubeFace::PositiveX) {
// Bits [22:27] from the main texture address is shared with all cubemap additional
// addresses.
auto& face_addr = cube_address[static_cast<size_t>(face) - 1];
address &= ~face_addr.mask;
address |= face_addr;
}
// A multiplier of 8 is also needed in the same way as the main address.
return address * 8;
}
INSERT_PADDING_WORDS(0x3);
BitField<0, 4, TextureFormat> texture0_format;
BitField<0, 1, u32> fragment_lighting_enable;
INSERT_PADDING_WORDS(0x1);