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Merge pull request #769 from bunnei/shader-mask-fixes

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shader_bytecode: Implement other TEXS masks.
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bunnei 2018-07-22 18:03:31 -07:00 committed by GitHub
commit e85a528bb9
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1 changed files with 9 additions and 5 deletions
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14
src/video_core/engines/shader_bytecode.h
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@ -425,6 +425,7 @@ union Instruction {
union { union {
BitField<50, 3, u64> component_mask_selector; BitField<50, 3, u64> component_mask_selector;
BitField<0, 8, Register> gpr0;
BitField<28, 8, Register> gpr28; BitField<28, 8, Register> gpr28;
bool HasTwoDestinations() const { bool HasTwoDestinations() const {
@ -432,13 +433,16 @@ union Instruction {
} }
bool IsComponentEnabled(size_t component) const { bool IsComponentEnabled(size_t component) const {
static constexpr std::array<size_t, 5> one_dest_mask{0x1, 0x2, 0x4, 0x8, 0x3}; static constexpr std::array<std::array<u32, 8>, 4> mask_lut{
static constexpr std::array<size_t, 5> two_dest_mask{0x7, 0xb, 0xd, 0xe, 0xf}; {{},
const auto& mask{HasTwoDestinations() ? two_dest_mask : one_dest_mask}; {0x1, 0x2, 0x4, 0x8, 0x3},
{0x1, 0x2, 0x4, 0x8, 0x3, 0x9, 0xa, 0xc},
{0x7, 0xb, 0xd, 0xe, 0xf}}};
ASSERT(component_mask_selector < mask.size()); size_t index{gpr0.Value() != Register::ZeroIndex ? 1U : 0U};
index |= gpr28.Value() != Register::ZeroIndex ? 2 : 0;
return ((1ull << component) & mask[component_mask_selector]) != 0; return ((1ull << component) & mask_lut[index][component_mask_selector]) != 0;
} }
} texs; } texs;