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