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SpirvCompiler_Resources.cpp
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// Copyright (c) 2018-2020, Zhirnov Andrey. For more information see 'LICENSE'
#include "SpirvCompiler.h"
#ifdef FG_ENABLE_VULKAN
# include "extensions/vulkan_loader/VulkanLoader.h"
#endif
namespace FG
{
/*
=================================================
_GenerateResources
=================================================
*/
void SpirvCompiler::_GenerateResources (OUT TBuiltInResource& res)
{
res = {};
res.maxLights = 0;
res.maxClipPlanes = 6;
res.maxTextureUnits = 32;
res.maxTextureCoords = 32;
res.maxVertexAttribs = FG_MaxVertexAttribs;
res.maxVertexUniformComponents = 4096;
res.maxVaryingFloats = 64;
res.maxVertexTextureImageUnits = 32;
res.maxCombinedTextureImageUnits = 80;
res.maxTextureImageUnits = 32;
res.maxFragmentUniformComponents = 4096;
res.maxDrawBuffers = FG_MaxColorBuffers;
res.maxVertexUniformVectors = 128;
res.maxVaryingVectors = 8;
res.maxFragmentUniformVectors = 16;
res.maxVertexOutputVectors = 16;
res.maxFragmentInputVectors = 15;
res.minProgramTexelOffset = -8;
res.maxProgramTexelOffset = 7;
res.maxClipDistances = 8;
res.maxComputeWorkGroupCountX = 65535;
res.maxComputeWorkGroupCountY = 65535;
res.maxComputeWorkGroupCountZ = 65535;
res.maxComputeWorkGroupSizeX = 1024;
res.maxComputeWorkGroupSizeY = 1024;
res.maxComputeWorkGroupSizeZ = 64;
res.maxComputeUniformComponents = 1024;
res.maxComputeTextureImageUnits = 16;
res.maxComputeImageUniforms = 8;
res.maxComputeAtomicCounters = 0;
res.maxComputeAtomicCounterBuffers = 0;
res.maxVaryingComponents = 60;
res.maxVertexOutputComponents = 64;
res.maxGeometryInputComponents = 64;
res.maxGeometryOutputComponents = 128;
res.maxFragmentInputComponents = 128;
res.maxImageUnits = 8;
res.maxCombinedImageUnitsAndFragmentOutputs = 8;
res.maxImageSamples = 0;
res.maxVertexImageUniforms = 0;
res.maxTessControlImageUniforms = 0;
res.maxTessEvaluationImageUniforms = 0;
res.maxGeometryImageUniforms = 0;
res.maxFragmentImageUniforms = 8;
res.maxCombinedImageUniforms = 8;
res.maxGeometryTextureImageUnits = 16;
res.maxGeometryOutputVertices = 256;
res.maxGeometryTotalOutputComponents = 1024;
res.maxGeometryUniformComponents = 1024;
res.maxGeometryVaryingComponents = 64;
res.maxTessControlInputComponents = 128;
res.maxTessControlOutputComponents = 128;
res.maxTessControlTextureImageUnits = 16;
res.maxTessControlUniformComponents = 1024;
res.maxTessControlTotalOutputComponents = 4096;
res.maxTessEvaluationInputComponents = 128;
res.maxTessEvaluationOutputComponents = 128;
res.maxTessEvaluationTextureImageUnits = 16;
res.maxTessEvaluationUniformComponents = 1024;
res.maxTessPatchComponents = 120;
res.maxPatchVertices = 32;
res.maxTessGenLevel = 64;
res.maxViewports = FG_MaxViewports;
res.maxVertexAtomicCounters = 0;
res.maxTessControlAtomicCounters = 0;
res.maxTessEvaluationAtomicCounters = 0;
res.maxGeometryAtomicCounters = 0;
res.maxFragmentAtomicCounters = 0;
res.maxCombinedAtomicCounters = 0;
res.maxAtomicCounterBindings = 0;
res.maxVertexAtomicCounterBuffers = 0;
res.maxTessControlAtomicCounterBuffers = 0;
res.maxTessEvaluationAtomicCounterBuffers = 0;
res.maxGeometryAtomicCounterBuffers = 0;
res.maxFragmentAtomicCounterBuffers = 0;
res.maxCombinedAtomicCounterBuffers = 0;
res.maxAtomicCounterBufferSize = 0;
res.maxTransformFeedbackBuffers = 0;
res.maxTransformFeedbackInterleavedComponents = 0;
res.maxCullDistances = 8;
res.maxCombinedClipAndCullDistances = 8;
res.maxSamples = 4;
res.maxMeshOutputVerticesNV = 256;
res.maxMeshOutputPrimitivesNV = 512;
res.maxMeshWorkGroupSizeX_NV = 32;
res.maxMeshWorkGroupSizeY_NV = 1;
res.maxMeshWorkGroupSizeZ_NV = 1;
res.maxTaskWorkGroupSizeX_NV = 32;
res.maxTaskWorkGroupSizeY_NV = 1;
res.maxTaskWorkGroupSizeZ_NV = 1;
res.maxMeshViewCountNV = 4;
res.limits.nonInductiveForLoops = 1;
res.limits.whileLoops = 1;
res.limits.doWhileLoops = 1;
res.limits.generalUniformIndexing = 1;
res.limits.generalAttributeMatrixVectorIndexing = 1;
res.limits.generalVaryingIndexing = 1;
res.limits.generalSamplerIndexing = 1;
res.limits.generalVariableIndexing = 1;
res.limits.generalConstantMatrixVectorIndexing = 1;
}
/*
=================================================
SetDefaultResourceLimits
=================================================
*/
bool SpirvCompiler::SetDefaultResourceLimits ()
{
_GenerateResources( OUT _builtinResource );
return true;
}
/*
=================================================
SetCurrentResourceLimits
=================================================
*/
#ifdef FG_ENABLE_VULKAN
bool SpirvCompiler::SetCurrentResourceLimits (PhysicalDeviceVk_t physicalDevice)
{
CHECK_ERR( physicalDevice );
auto& res = _builtinResource; _GenerateResources( OUT res );
VkPhysicalDevice dev = BitCast<VkPhysicalDevice>( physicalDevice );
VkPhysicalDeviceProperties props = {};
#ifdef VK_NV_mesh_shader
VkPhysicalDeviceMeshShaderFeaturesNV mesh_shader_feats = {};
VkPhysicalDeviceMeshShaderPropertiesNV mesh_shader_props = {};
#endif
vkGetPhysicalDeviceProperties( dev, OUT &props );
if ( VK_VERSION_MAJOR( props.apiVersion ) >= 1 and
VK_VERSION_MINOR( props.apiVersion ) > 0 )
{
void ** next_props = null;
void ** next_feat = null;
VkPhysicalDeviceProperties2 props2 = {};
VkPhysicalDeviceFeatures2 feat2 = {};
props2.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_PROPERTIES_2;
next_props = &props2.pNext;
feat2.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_FEATURES_2;
next_feat = &feat2.pNext;
#ifdef VK_NV_mesh_shader
*next_feat = &mesh_shader_feats;
next_feat = &mesh_shader_feats.pNext;
mesh_shader_feats.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_MESH_SHADER_FEATURES_NV;
*next_props = &mesh_shader_props;
next_props = &mesh_shader_props.pNext;
mesh_shader_props.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_MESH_SHADER_PROPERTIES_NV;
#endif
vkGetPhysicalDeviceFeatures2KHR( dev, OUT &feat2 );
vkGetPhysicalDeviceProperties2KHR( dev, OUT &props2 );
}
res.maxVertexAttribs = Min( FG_MaxVertexAttribs, props.limits.maxVertexInputAttributes );
res.maxDrawBuffers = Min( FG_MaxColorBuffers, props.limits.maxColorAttachments );
res.minProgramTexelOffset = props.limits.minTexelOffset;
res.maxProgramTexelOffset = props.limits.maxTexelOffset;
res.maxComputeWorkGroupCountX = props.limits.maxComputeWorkGroupCount[0];
res.maxComputeWorkGroupCountY = props.limits.maxComputeWorkGroupCount[1];
res.maxComputeWorkGroupCountZ = props.limits.maxComputeWorkGroupCount[2];
res.maxComputeWorkGroupSizeX = props.limits.maxComputeWorkGroupSize[0];
res.maxComputeWorkGroupSizeY = props.limits.maxComputeWorkGroupSize[1];
res.maxComputeWorkGroupSizeZ = props.limits.maxComputeWorkGroupSize[2];
res.maxVertexOutputComponents = props.limits.maxVertexOutputComponents;
res.maxGeometryInputComponents = props.limits.maxGeometryInputComponents;
res.maxGeometryOutputComponents = props.limits.maxGeometryOutputComponents;
res.maxFragmentInputComponents = props.limits.maxFragmentInputComponents;
res.maxCombinedImageUnitsAndFragmentOutputs = props.limits.maxFragmentCombinedOutputResources;
res.maxGeometryOutputVertices = props.limits.maxGeometryOutputVertices;
res.maxGeometryTotalOutputComponents = props.limits.maxGeometryTotalOutputComponents;
res.maxTessControlInputComponents = props.limits.maxTessellationControlPerVertexInputComponents;
res.maxTessControlOutputComponents = props.limits.maxTessellationControlPerVertexOutputComponents;
res.maxTessControlTotalOutputComponents = props.limits.maxTessellationControlTotalOutputComponents;
res.maxTessEvaluationInputComponents = props.limits.maxTessellationEvaluationInputComponents;
res.maxTessEvaluationOutputComponents = props.limits.maxTessellationEvaluationOutputComponents;
res.maxTessPatchComponents = props.limits.maxTessellationControlPerPatchOutputComponents;
res.maxPatchVertices = props.limits.maxTessellationPatchSize;
res.maxTessGenLevel = props.limits.maxTessellationGenerationLevel;
res.maxViewports = Min( FG_MaxViewports, props.limits.maxViewports );
res.maxClipDistances = props.limits.maxClipDistances;
res.maxCullDistances = props.limits.maxCullDistances;
res.maxCombinedClipAndCullDistances = props.limits.maxCombinedClipAndCullDistances;
#ifdef VK_NV_mesh_shader
if ( mesh_shader_feats.meshShader and mesh_shader_feats.taskShader )
{
res.maxMeshOutputVerticesNV = mesh_shader_props.maxMeshOutputVertices;
res.maxMeshOutputPrimitivesNV = mesh_shader_props.maxMeshOutputPrimitives;
res.maxMeshWorkGroupSizeX_NV = mesh_shader_props.maxMeshWorkGroupSize[0];
res.maxMeshWorkGroupSizeY_NV = mesh_shader_props.maxMeshWorkGroupSize[1];
res.maxMeshWorkGroupSizeZ_NV = mesh_shader_props.maxMeshWorkGroupSize[2];
res.maxTaskWorkGroupSizeX_NV = mesh_shader_props.maxTaskWorkGroupSize[0];
res.maxTaskWorkGroupSizeY_NV = mesh_shader_props.maxTaskWorkGroupSize[1];
res.maxTaskWorkGroupSizeZ_NV = mesh_shader_props.maxTaskWorkGroupSize[2];
res.maxMeshViewCountNV = mesh_shader_props.maxMeshMultiviewViewCount;
}
#endif
return true;
}
#endif // FG_ENABLE_VULKAN
} // FG