135 lines
3.5 KiB
C++
135 lines
3.5 KiB
C++
#include"VKShader.h"
|
|
#include"VKVertexInput.h"
|
|
#include"spirv_cross.hpp"
|
|
|
|
VK_NAMESPACE_BEGIN
|
|
const VkFormat GetVecFormat(const spirv_cross::SPIRType &type)
|
|
{
|
|
if(type.basetype==spirv_cross::SPIRType::Float)
|
|
{
|
|
constexpr VkFormat format[4]={FMT_R32F,FMT_RG32F,FMT_RGB32F,FMT_RGB32F};
|
|
|
|
return format[type.vecsize-1];
|
|
}
|
|
else
|
|
if(type.basetype==spirv_cross::SPIRType::Half)
|
|
{
|
|
constexpr VkFormat format[4]={FMT_R16F,FMT_RG16F,FMT_RGB16F,FMT_RGB16F};
|
|
|
|
return format[type.vecsize-1];
|
|
}
|
|
else
|
|
if(type.basetype==spirv_cross::SPIRType::UInt)
|
|
{
|
|
constexpr VkFormat format[4]={FMT_R32U,FMT_RG32U,FMT_RGB32U,FMT_RGB32U};
|
|
|
|
return format[type.vecsize-1];
|
|
}
|
|
else
|
|
if(type.basetype==spirv_cross::SPIRType::Int)
|
|
{
|
|
constexpr VkFormat format[4]={FMT_R32I,FMT_RG32I,FMT_RGB32I,FMT_RGB32I};
|
|
|
|
return format[type.vecsize-1];
|
|
}
|
|
else
|
|
if(type.basetype==spirv_cross::SPIRType::UShort)
|
|
{
|
|
constexpr VkFormat format[4]={FMT_R16U,FMT_RG16U,FMT_RGB16U,FMT_RGB16U};
|
|
|
|
return format[type.vecsize-1];
|
|
}
|
|
else
|
|
if(type.basetype==spirv_cross::SPIRType::Short)
|
|
{
|
|
constexpr VkFormat format[4]={FMT_R16I,FMT_RG16I,FMT_RGB16I,FMT_RGB16I};
|
|
|
|
return format[type.vecsize-1];
|
|
}
|
|
|
|
return VK_FORMAT_UNDEFINED;
|
|
}
|
|
|
|
bool Shader::CreateVIS(const void *spv_data,const uint32_t spv_size)
|
|
{
|
|
spirv_cross::Compiler comp((const uint32_t *)spv_data,spv_size/sizeof(uint32_t));
|
|
|
|
spirv_cross::ShaderResources res=comp.get_shader_resources();
|
|
|
|
for(auto &si:res.stage_inputs)
|
|
{
|
|
const spirv_cross::SPIRType & type =comp.get_type(si.type_id);
|
|
const VkFormat format =GetVecFormat(type);
|
|
|
|
if(format==VK_FORMAT_UNDEFINED)
|
|
return(false);
|
|
|
|
const uint32_t location=comp.get_decoration(si.id,spv::DecorationLocation);
|
|
const UTF8String & name =comp.get_name(si.id).c_str();
|
|
|
|
const int binding=vertex_input_state->Add(name,location,format);
|
|
|
|
}
|
|
|
|
return(true);
|
|
}
|
|
|
|
Shader::Shader(VkDevice dev)
|
|
{
|
|
device=dev;
|
|
|
|
vertex_input_state=new VertexInputState();
|
|
}
|
|
|
|
Shader::~Shader()
|
|
{
|
|
delete vertex_input_state;
|
|
|
|
const int count=shader_stage_list.GetCount();
|
|
|
|
if(count>0)
|
|
{
|
|
VkPipelineShaderStageCreateInfo *ss=shader_stage_list.GetData();
|
|
for(int i=0;i<count;i++)
|
|
{
|
|
vkDestroyShaderModule(device,ss->module,nullptr);
|
|
++ss;
|
|
}
|
|
}
|
|
}
|
|
|
|
bool Shader::Add(const VkShaderStageFlagBits shader_stage_bit,const void *spv_data,const uint32_t spv_size)
|
|
{
|
|
if(shader_stage_bit==VK_SHADER_STAGE_VERTEX_BIT)
|
|
CreateVIS(spv_data,spv_size);
|
|
|
|
VkPipelineShaderStageCreateInfo shader_stage;
|
|
shader_stage.sType=VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
|
|
shader_stage.pNext=nullptr;
|
|
shader_stage.pSpecializationInfo=nullptr;
|
|
shader_stage.flags=0;
|
|
shader_stage.stage=shader_stage_bit;
|
|
shader_stage.pName="main";
|
|
|
|
VkShaderModuleCreateInfo moduleCreateInfo;
|
|
moduleCreateInfo.sType=VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO;
|
|
moduleCreateInfo.pNext=nullptr;
|
|
moduleCreateInfo.flags=0;
|
|
moduleCreateInfo.codeSize=spv_size;
|
|
moduleCreateInfo.pCode=(const uint32_t *)spv_data;
|
|
|
|
if(vkCreateShaderModule(device,&moduleCreateInfo,nullptr,&shader_stage.module)!=VK_SUCCESS)
|
|
return(false);
|
|
|
|
shader_stage_list.Add(shader_stage);
|
|
|
|
return(true);
|
|
}
|
|
|
|
void Shader::Clear()
|
|
{
|
|
shader_stage_list.Clear();
|
|
vertex_input_state->Clear();
|
|
}
|
|
VK_NAMESPACE_END
|