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notaxeltvandCursor
377301ef36
PPSA03541 prepares a pixel shader that still reads attribute 0 while SPI_PS_IN_CONTROL.NUM_INTERP is 0; extend the CNTL table with OFFSET 0x20 defaults instead of throwing. Co-authored-by: Cursor <cursoragent@cursor.com>
56 lines
2.4 KiB
C++
56 lines
2.4 KiB
C++
#include "IntermediateRepresentation/IrBuilder.hpp"
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#include "Optimization/ShaderInfoCollector.hpp"
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#include <cstdint>
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#include <cstdio>
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#include <stdexcept>
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#include <string>
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using namespace ShaderRecompiler;
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namespace {
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std::string Collect(std::uint32_t attribute, std::uint32_t component, std::uint32_t mode, std::uint32_t inputNum) {
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IrProgram program;
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program.Resources().stage = IrShaderStage::Pixel;
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program.Resources().resourceTrackingComplete = true;
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auto& block = program.CreateBlock();
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program.SetEntryBlock(block);
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program.BlockOrder().push_back(&block);
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IrBuilder builder(program);
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builder.SetInsertionPoint(block);
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auto& parameter = builder.Emit(IrOpcode::GetInterpolationParameter, IrType::U32, {&builder.Constant(attribute), &builder.Constant(component), &builder.Constant(mode)});
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static_cast<void>(builder.Emit(IrOpcode::ReferenceU32, IrType::Void, {¶meter}));
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static_cast<void>(builder.Emit(IrOpcode::Return, IrType::Void, {}));
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ShaderPixelInputInfo pixel {};
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pixel.inputNum = inputNum;
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try {
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ShaderInfoCollector().Collect(program, ShaderStageInputInfo {nullptr, &pixel, nullptr});
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} catch (const std::runtime_error& error) {
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return error.what();
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}
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return {};
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}
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}
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int main() {
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int failures = 0;
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const auto expect = [&](bool value, const char* name, const std::string& message) {
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if (!value) {
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std::fprintf(stderr, "%s: %s\n", name, message.c_str());
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++failures;
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}
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};
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const auto attribute = Collect(5u, 1u, 0u, 2u);
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expect(attribute.find("interpolation parameter reference") == std::string::npos, "an attribute past the pixel inputs becomes a default", attribute);
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const auto empty = Collect(0u, 0u, 0u, 0u);
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expect(empty.find("interpolation parameter reference") == std::string::npos, "attribute 0 with no SPI inputs becomes a default", empty);
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const auto component = Collect(0u, 4u, 2u, 1u);
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expect(component.find("(attribute 0 component 4 mode 2, 1 inputs)") != std::string::npos, "a component past w", component);
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const auto mode = Collect(1u, 3u, 3u, 3u);
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expect(mode.find("(attribute 1 component 3 mode 3, 3 inputs)") != std::string::npos, "a reserved interpolation mode", mode);
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const auto inRange = Collect(1u, 3u, 2u, 2u);
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expect(inRange.find("interpolation parameter reference") == std::string::npos, "an in-range reference", inRange);
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return failures == 0 ? 0 : 1;
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}
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