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[submodule "glfw"] | ||
path = glfw | ||
url = https://github.com/glfw/glfw.git | ||
[submodule "glslang"] | ||
path = glslang | ||
url = https://github.com/KhronosGroup/glslang.git |
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/* | ||
* Vulkan Samples | ||
* | ||
* Copyright (C) 2015-2016 Valve Corporation | ||
* Copyright (C) 2015-2016 LunarG, Inc. | ||
* Copyright (C) 2015-2016 Google, Inc. | ||
* | ||
* Licensed under the Apache License, Version 2.0 (the "License"); | ||
* you may not use this file except in compliance with the License. | ||
* You may obtain a copy of the License at | ||
* | ||
* http://www.apache.org/licenses/LICENSE-2.0 | ||
* | ||
* Unless required by applicable law or agreed to in writing, software | ||
* distributed under the License is distributed on an "AS IS" BASIS, | ||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
* See the License for the specific language governing permissions and | ||
* limitations under the License. | ||
*/ | ||
#include "util.hpp" | ||
#include "SPIRV/GlslangToSpv.h" | ||
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void init_glslang() { | ||
glslang::InitializeProcess(); | ||
} | ||
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void finalize_glslang() | ||
{ | ||
glslang::FinalizeProcess(); | ||
} | ||
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void init_resources(TBuiltInResource &Resources) { | ||
Resources.maxLights = 32; | ||
Resources.maxClipPlanes = 6; | ||
Resources.maxTextureUnits = 32; | ||
Resources.maxTextureCoords = 32; | ||
Resources.maxVertexAttribs = 64; | ||
Resources.maxVertexUniformComponents = 4096; | ||
Resources.maxVaryingFloats = 64; | ||
Resources.maxVertexTextureImageUnits = 32; | ||
Resources.maxCombinedTextureImageUnits = 80; | ||
Resources.maxTextureImageUnits = 32; | ||
Resources.maxFragmentUniformComponents = 4096; | ||
Resources.maxDrawBuffers = 32; | ||
Resources.maxVertexUniformVectors = 128; | ||
Resources.maxVaryingVectors = 8; | ||
Resources.maxFragmentUniformVectors = 16; | ||
Resources.maxVertexOutputVectors = 16; | ||
Resources.maxFragmentInputVectors = 15; | ||
Resources.minProgramTexelOffset = -8; | ||
Resources.maxProgramTexelOffset = 7; | ||
Resources.maxClipDistances = 8; | ||
Resources.maxComputeWorkGroupCountX = 65535; | ||
Resources.maxComputeWorkGroupCountY = 65535; | ||
Resources.maxComputeWorkGroupCountZ = 65535; | ||
Resources.maxComputeWorkGroupSizeX = 1024; | ||
Resources.maxComputeWorkGroupSizeY = 1024; | ||
Resources.maxComputeWorkGroupSizeZ = 64; | ||
Resources.maxComputeUniformComponents = 1024; | ||
Resources.maxComputeTextureImageUnits = 16; | ||
Resources.maxComputeImageUniforms = 8; | ||
Resources.maxComputeAtomicCounters = 8; | ||
Resources.maxComputeAtomicCounterBuffers = 1; | ||
Resources.maxVaryingComponents = 60; | ||
Resources.maxVertexOutputComponents = 64; | ||
Resources.maxGeometryInputComponents = 64; | ||
Resources.maxGeometryOutputComponents = 128; | ||
Resources.maxFragmentInputComponents = 128; | ||
Resources.maxImageUnits = 8; | ||
Resources.maxCombinedImageUnitsAndFragmentOutputs = 8; | ||
Resources.maxCombinedShaderOutputResources = 8; | ||
Resources.maxImageSamples = 0; | ||
Resources.maxVertexImageUniforms = 0; | ||
Resources.maxTessControlImageUniforms = 0; | ||
Resources.maxTessEvaluationImageUniforms = 0; | ||
Resources.maxGeometryImageUniforms = 0; | ||
Resources.maxFragmentImageUniforms = 8; | ||
Resources.maxCombinedImageUniforms = 8; | ||
Resources.maxGeometryTextureImageUnits = 16; | ||
Resources.maxGeometryOutputVertices = 256; | ||
Resources.maxGeometryTotalOutputComponents = 1024; | ||
Resources.maxGeometryUniformComponents = 1024; | ||
Resources.maxGeometryVaryingComponents = 64; | ||
Resources.maxTessControlInputComponents = 128; | ||
Resources.maxTessControlOutputComponents = 128; | ||
Resources.maxTessControlTextureImageUnits = 16; | ||
Resources.maxTessControlUniformComponents = 1024; | ||
Resources.maxTessControlTotalOutputComponents = 4096; | ||
Resources.maxTessEvaluationInputComponents = 128; | ||
Resources.maxTessEvaluationOutputComponents = 128; | ||
Resources.maxTessEvaluationTextureImageUnits = 16; | ||
Resources.maxTessEvaluationUniformComponents = 1024; | ||
Resources.maxTessPatchComponents = 120; | ||
Resources.maxPatchVertices = 32; | ||
Resources.maxTessGenLevel = 64; | ||
Resources.maxViewports = 16; | ||
Resources.maxVertexAtomicCounters = 0; | ||
Resources.maxTessControlAtomicCounters = 0; | ||
Resources.maxTessEvaluationAtomicCounters = 0; | ||
Resources.maxGeometryAtomicCounters = 0; | ||
Resources.maxFragmentAtomicCounters = 8; | ||
Resources.maxCombinedAtomicCounters = 8; | ||
Resources.maxAtomicCounterBindings = 1; | ||
Resources.maxVertexAtomicCounterBuffers = 0; | ||
Resources.maxTessControlAtomicCounterBuffers = 0; | ||
Resources.maxTessEvaluationAtomicCounterBuffers = 0; | ||
Resources.maxGeometryAtomicCounterBuffers = 0; | ||
Resources.maxFragmentAtomicCounterBuffers = 1; | ||
Resources.maxCombinedAtomicCounterBuffers = 1; | ||
Resources.maxAtomicCounterBufferSize = 16384; | ||
Resources.maxTransformFeedbackBuffers = 4; | ||
Resources.maxTransformFeedbackInterleavedComponents = 64; | ||
Resources.maxCullDistances = 8; | ||
Resources.maxCombinedClipAndCullDistances = 8; | ||
Resources.maxSamples = 4; | ||
Resources.limits.nonInductiveForLoops = 1; | ||
Resources.limits.whileLoops = 1; | ||
Resources.limits.doWhileLoops = 1; | ||
Resources.limits.generalUniformIndexing = 1; | ||
Resources.limits.generalAttributeMatrixVectorIndexing = 1; | ||
Resources.limits.generalVaryingIndexing = 1; | ||
Resources.limits.generalSamplerIndexing = 1; | ||
Resources.limits.generalVariableIndexing = 1; | ||
Resources.limits.generalConstantMatrixVectorIndexing = 1; | ||
} | ||
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EShLanguage FindLanguage(const VkShaderStageFlagBits shader_type) { | ||
switch (shader_type) { | ||
case VK_SHADER_STAGE_VERTEX_BIT: | ||
return EShLangVertex; | ||
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case VK_SHADER_STAGE_TESSELLATION_CONTROL_BIT: | ||
return EShLangTessControl; | ||
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case VK_SHADER_STAGE_TESSELLATION_EVALUATION_BIT: | ||
return EShLangTessEvaluation; | ||
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case VK_SHADER_STAGE_GEOMETRY_BIT: | ||
return EShLangGeometry; | ||
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case VK_SHADER_STAGE_FRAGMENT_BIT: | ||
return EShLangFragment; | ||
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case VK_SHADER_STAGE_COMPUTE_BIT: | ||
return EShLangCompute; | ||
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default: | ||
return EShLangVertex; | ||
} | ||
} | ||
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// | ||
// Compile a given string containing GLSL into SPV for use by VK | ||
// Return value of false means an error was encountered. | ||
// | ||
bool GLSLtoSPV(const VkShaderStageFlagBits shader_type, const char *pshader, | ||
std::vector<unsigned int> &spirv) | ||
{ | ||
EShLanguage stage = FindLanguage(shader_type); | ||
glslang::TShader shader(stage); | ||
glslang::TProgram program; | ||
const char *shaderStrings[1]; | ||
TBuiltInResource Resources; | ||
init_resources(Resources); | ||
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// Enable SPIR-V and Vulkan rules when parsing GLSL | ||
EShMessages messages = (EShMessages)(EShMsgSpvRules | EShMsgVulkanRules); | ||
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shaderStrings[0] = pshader; | ||
shader.setStrings(shaderStrings, 1); | ||
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if (!shader.parse(&Resources, 100, false, messages)) { | ||
puts(shader.getInfoLog()); | ||
puts(shader.getInfoDebugLog()); | ||
return false; // something didn't work | ||
} | ||
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program.addShader(&shader); | ||
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// | ||
// Program-level processing... | ||
// | ||
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if (!program.link(messages)) { | ||
puts(shader.getInfoLog()); | ||
puts(shader.getInfoDebugLog()); | ||
fflush(stdout); | ||
return false; | ||
} | ||
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glslang::GlslangToSpv(*program.getIntermediate(stage), spirv); | ||
return true; | ||
} |
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/* | ||
* Vulkan Samples | ||
* | ||
* Copyright (C) 2015-2016 Valve Corporation | ||
* Copyright (C) 2015-2016 LunarG, Inc. | ||
* | ||
* Licensed under the Apache License, Version 2.0 (the "License"); | ||
* you may not use this file except in compliance with the License. | ||
* You may obtain a copy of the License at | ||
* | ||
* http://www.apache.org/licenses/LICENSE-2.0 | ||
* | ||
* Unless required by applicable law or agreed to in writing, software | ||
* distributed under the License is distributed on an "AS IS" BASIS, | ||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
* See the License for the specific language governing permissions and | ||
* limitations under the License. | ||
*/ | ||
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#include <iostream> | ||
#include <string> | ||
#include <sstream> | ||
#include <vector> | ||
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#include <vulkan/vulkan.h> | ||
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bool GLSLtoSPV(const VkShaderStageFlagBits shader_type, const char *pshader, | ||
std::vector<unsigned int> &spirv); | ||
void init_glslang(); | ||
void finalize_glslang(); |
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