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Added better asserts to IPA, Renamed IPA modes to match mesa 

IpaMode is changed to IpaInterpMode
IpaMode is suppose to be 2 bits not 3
Added IpaSampleMode
Added Saturate

Renamed modes based on
d27c791891/src/gallium/drivers/nouveau/codegen/nv50_ir_emit_gm107.cpp (L2530)
This commit is contained in:
David Marcec 2018-09-01 16:34:27 +10:00
parent c69dc5acf9
commit ad3dca7e62
2 changed files with 13 additions and 6 deletions
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7
src/video_core/engines/shader_bytecode.h
View File

@ -243,7 +243,8 @@ enum class TextureType : u64 {
TextureCube = 3,
};
enum class IpaMode : u64 { Pass = 0, None = 1, Constant = 2, Sc = 3 };
enum class IpaInterpMode : u64 { Linear = 0, Perspective = 1, Flat = 2, Sc = 3 };
enum class IpaSampleMode : u64 { Default = 0, Centroid = 1, Offset = 2 };
union Instruction {
Instruction& operator=(const Instruction& instr) {
@ -328,7 +329,9 @@ union Instruction {
} alu;
union {
BitField<54, 3, IpaMode> mode;
BitField<51, 1, u64> saturate;
BitField<52, 2, IpaSampleMode> sample_mode;
BitField<54, 2, IpaInterpMode> interp_mode;
} ipa;
union {

12
src/video_core/renderer_opengl/gl_shader_decompiler.cpp
View File

@ -2110,8 +2110,12 @@ private:
case OpCode::Id::IPA: {
const auto& attribute = instr.attribute.fmt28;
const auto& reg = instr.gpr0;
switch (instr.ipa.mode) {
case Tegra::Shader::IpaMode::Pass:
ASSERT_MSG(instr.ipa.sample_mode == Tegra::Shader::IpaSampleMode::Default,
"Unhandled IPA sample mode: {}",
static_cast<u32>(instr.ipa.sample_mode.Value()));
ASSERT_MSG(instr.ipa.saturate == 0, "IPA saturate not implemented");
switch (instr.ipa.interp_mode) {
case Tegra::Shader::IpaInterpMode::Linear:
if (stage == Maxwell3D::Regs::ShaderStage::Fragment &&
attribute.index == Attribute::Index::Position) {
switch (attribute.element) {
@ -2132,12 +2136,12 @@ private:
regs.SetRegisterToInputAttibute(reg, attribute.element, attribute.index);
}
break;
case Tegra::Shader::IpaMode::None:
case Tegra::Shader::IpaInterpMode::Perspective:
regs.SetRegisterToInputAttibute(reg, attribute.element, attribute.index);
break;
default:
LOG_CRITICAL(HW_GPU, "Unhandled IPA mode: {}",
static_cast<u32>(instr.ipa.mode.Value()));
static_cast<u32>(instr.ipa.interp_mode.Value()));
UNREACHABLE();
regs.SetRegisterToInputAttibute(reg, attribute.element, attribute.index);
}