mirror of
https://github.com/hrydgard/ppsspp.git
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274 lines
8.1 KiB
C++
274 lines
8.1 KiB
C++
#include <algorithm>
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#include "Common/StringUtils.h"
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#include "GPU/Common/ShaderId.h"
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#include "GPU/Common/ShaderCommon.h"
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#include "Common/Data/Random/Rng.h"
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#include "GPU/Vulkan/VulkanContext.h"
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#include "GPU/Directx9/FragmentShaderGeneratorHLSL.h"
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#include "GPU/GLES/FragmentShaderGeneratorGLES.h"
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#include "GPU/Directx9/VertexShaderGeneratorHLSL.h"
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#include "GPU/GLES/VertexShaderGeneratorGLES.h"
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#include "GPU/D3D11/D3D11Util.h"
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#include "GPU/D3D11/D3D11Loader.h"
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#include "GPU/D3D9/D3DCompilerLoader.h"
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#include "GPU/D3D9/D3D9ShaderCompiler.h"
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bool GenerateFShader(FShaderID id, char *buffer, ShaderLanguage lang, std::string *errorString) {
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switch (lang) {
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case ShaderLanguage::HLSL_D3D11:
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return GenerateFragmentShaderHLSL(id, buffer, ShaderLanguage::HLSL_D3D11, errorString);
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case ShaderLanguage::HLSL_DX9:
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GenerateFragmentShaderHLSL(id, buffer, ShaderLanguage::HLSL_DX9, errorString);
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// TODO: Need a device :( Returning false here so it doesn't get tried.
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return false;
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case ShaderLanguage::GLSL_VULKAN:
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{
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GLSLShaderCompat compat{};
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compat.SetupForVulkan();
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uint64_t uniformMask;
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return GenerateFragmentShaderGLSL(id, buffer, compat, &uniformMask, errorString);
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}
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case ShaderLanguage::GLSL_140:
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case ShaderLanguage::GLSL_300:
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// TODO: Need a device - except that maybe glslang could be used to verify these ....
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return false;
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case ShaderLanguage::HLSL_D3D11_TEST:
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{
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GLSLShaderCompat compat{};
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compat.SetupForVulkan();
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uint64_t uniformMask;
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return GenerateFragmentShaderGLSL(id, buffer, compat, &uniformMask, errorString);
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}
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default:
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return false;
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}
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}
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bool GenerateVShader(VShaderID id, char *buffer, ShaderLanguage lang, std::string *errorString) {
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switch (lang) {
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case ShaderLanguage::HLSL_D3D11:
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return GenerateVertexShaderHLSL(id, buffer, ShaderLanguage::HLSL_D3D11, errorString);
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case ShaderLanguage::HLSL_DX9:
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GenerateVertexShaderHLSL(id, buffer, ShaderLanguage::HLSL_DX9, errorString);
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// TODO: Need a device :( Returning false here so it doesn't get tried.
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return false;
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// return DX9::GenerateFragmentShaderHLSL(id, buffer, ShaderLanguage::HLSL_DX9);
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case ShaderLanguage::GLSL_VULKAN:
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{
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GLSLShaderCompat compat{};
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compat.SetupForVulkan();
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uint32_t attrMask;
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uint64_t uniformMask;
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return GenerateVertexShaderGLSL(id, buffer, compat, &attrMask, &uniformMask, errorString);
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}
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case ShaderLanguage::HLSL_D3D11_TEST:
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{
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GLSLShaderCompat compat{};
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compat.SetupForD3D11();
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uint32_t attrMask;
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uint64_t uniformMask;
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return GenerateVertexShaderGLSL(id, buffer, compat, &attrMask, &uniformMask, errorString);
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}
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default:
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return false;
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}
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}
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bool TestCompileShader(const char *buffer, ShaderLanguage lang, bool vertex) {
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switch (lang) {
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case ShaderLanguage::HLSL_D3D11:
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case ShaderLanguage::HLSL_D3D11_TEST:
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{
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auto output = CompileShaderToBytecodeD3D11(buffer, strlen(buffer), vertex ? "vs_4_0" : "ps_4_0", 0);
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return !output.empty();
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}
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case ShaderLanguage::HLSL_DX9:
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return false;
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case ShaderLanguage::GLSL_VULKAN:
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{
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std::vector<uint32_t> spirv;
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std::string errorMessage;
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bool result = GLSLtoSPV(vertex ? VK_SHADER_STAGE_VERTEX_BIT : VK_SHADER_STAGE_FRAGMENT_BIT, buffer, spirv, &errorMessage);
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if (!result) {
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printf("GLSLtoSPV ERROR:\n%s\n\n", errorMessage.c_str());
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}
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return result;
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}
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case ShaderLanguage::GLSL_140:
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return false;
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case ShaderLanguage::GLSL_300:
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return false;
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default:
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return false;
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}
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}
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void PrintDiff(const char *a, const char *b) {
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// Stupidest diff ever: Just print both lines, and a few around it, when we find a mismatch.
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std::vector<std::string> a_lines;
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std::vector<std::string> b_lines;
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SplitString(a, '\n', a_lines);
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SplitString(b, '\n', b_lines);
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for (size_t i = 0; i < a_lines.size() && i < b_lines.size(); i++) {
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if (a_lines[i] != b_lines[i]) {
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// Print some context
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for (size_t j = std::max((int)i - 4, 0); j < i; j++) {
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printf("%s\n", a_lines[j].c_str());
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}
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printf("DIFF found at line %d:\n", (int)i);
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printf("a: %s\n", a_lines[i].c_str());
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printf("b: %s\n", b_lines[i].c_str());
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printf("...continues...\n");
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for (size_t j = i + 1; j < i + 5 && j < a_lines.size(); j++) {
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printf("a: %s\n", a_lines[j].c_str());
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printf("b: %s\n", b_lines[j].c_str());
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}
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printf("==================\n");
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return;
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}
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}
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}
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bool TestShaderGenerators() {
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LoadD3D11();
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init_glslang();
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LoadD3DCompilerDynamic();
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ShaderLanguage languages[] = {
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ShaderLanguage::HLSL_D3D11_TEST,
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ShaderLanguage::HLSL_D3D11,
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ShaderLanguage::GLSL_VULKAN,
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ShaderLanguage::GLSL_140,
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ShaderLanguage::GLSL_300,
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ShaderLanguage::HLSL_DX9,
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};
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const int numLanguages = ARRAY_SIZE(languages);
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char *buffer[numLanguages];
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for (int i = 0; i < numLanguages; i++) {
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buffer[i] = new char[65536];
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}
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GMRng rng;
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int successes = 0;
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int count = 700;
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// Generate a bunch of random vertex shader IDs, try to generate shader source.
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// Then compile it and check that it's ok.
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for (int i = 0; i < count; i++) {
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uint32_t bottom = rng.R32();
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uint32_t top = rng.R32();
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VShaderID id;
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id.d[0] = bottom;
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id.d[1] = top;
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bool generateSuccess[numLanguages]{};
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std::string genErrorString[numLanguages];
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for (int j = 0; j < numLanguages; j++) {
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generateSuccess[j] = GenerateVShader(id, buffer[j], languages[j], &genErrorString[j]);
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if (!genErrorString[j].empty()) {
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printf("%s\n", genErrorString[j].c_str());
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}
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}
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/*
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// KEEPING FOR REUSE LATER: Defunct temporary test: Compare GLSL-in-Vulkan-mode vs Vulkan
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if (generateSuccess[0] != generateSuccess[1]) {
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printf("mismatching success! '%s' '%s'\n", genErrorString[0].c_str(), genErrorString[1].c_str());
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printf("%s\n", buffer[0]);
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printf("%s\n", buffer[1]);
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return false;
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}
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if (generateSuccess[0] && strcmp(buffer[0], buffer[1])) {
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printf("mismatching shaders! a=glsl b=vulkan\n");
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PrintDiff(buffer[0], buffer[1]);
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return false;
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}
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*/
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// Now that we have the strings ready for easy comparison (buffer,4 in the watch window),
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// let's try to compile them.
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for (int j = 0; j < numLanguages; j++) {
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if (generateSuccess[j]) {
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if (!TestCompileShader(buffer[j], languages[j], true)) {
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printf("Error compiling vertex shader:\n\n%s\n\n", LineNumberString(buffer[j]).c_str());
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return false;
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}
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successes++;
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}
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}
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}
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printf("%d/%d vertex shaders generated (it's normal that it's not all, there are invalid bit combos)\n", successes, count * numLanguages);
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successes = 0;
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count = 200;
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// Generate a bunch of random fragment shader IDs, try to generate shader source.
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// Then compile it and check that it's ok.
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for (int i = 0; i < count; i++) {
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uint32_t bottom = rng.R32();
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uint32_t top = rng.R32();
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FShaderID id;
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id.d[0] = bottom;
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id.d[1] = top;
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bool generateSuccess[numLanguages]{};
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std::string genErrorString[numLanguages];
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for (int j = 0; j < numLanguages; j++) {
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generateSuccess[j] = GenerateFShader(id, buffer[j], languages[j], &genErrorString[j]);
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if (!genErrorString[j].empty()) {
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printf("%s\n", genErrorString[j].c_str());
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}
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// We ignore the contents of the error string here, not even gonna try to compile if it errors.
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}
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/*
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// KEEPING FOR REUSE LATER: Defunct temporary test: Compare GLSL-in-Vulkan-mode vs Vulkan
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if (generateSuccess[0] != generateSuccess[1]) {
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printf("mismatching success! %s %s\n", genErrorString[0].c_str(), genErrorString[1].c_str());
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printf("%s\n", buffer[0]);
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printf("%s\n", buffer[1]);
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return 1;
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}
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if (generateSuccess[0] && strcmp(buffer[0], buffer[1])) {
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printf("mismatching shaders!\n");
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PrintDiff(buffer[0], buffer[1]);
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return 1;
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}
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*/
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// Now that we have the strings ready for easy comparison (buffer,4 in the watch window),
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// let's try to compile them.
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for (int j = 0; j < numLanguages; j++) {
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if (generateSuccess[j]) {
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if (!TestCompileShader(buffer[j], languages[j], false)) {
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printf("Error compiling fragment shader:\n\n%s\n\n", LineNumberString(buffer[j]).c_str());
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return false;
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}
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successes++;
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}
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}
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}
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printf("%d/%d fragment shaders generated (it's normal that it's not all, there are invalid bit combos)\n", successes, count * numLanguages);
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successes = 0;
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count = 200;
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for (int i = 0; i < numLanguages; i++) {
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delete[] buffer[i];
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}
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return true;
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}
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