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Preliminary Vulkan shader pipeline factory

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This commit is contained in:
Jack Andersen
2016-01-14 12:46:05 -10:00
parent a79f55c5c1
commit 5a2fb0768b
4 changed files with 249 additions and 5 deletions
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160
lib/graphicsdev/Vulkan.cpp Normal file
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#include "boo/graphicsdev/Vulkan.hpp"
#include "boo/IGraphicsContext.hpp"
#include <vector>
#include <glslang/Public/ShaderLang.h>
#include <SPIRV/GlslangToSpv.h>
#include <LogVisor/LogVisor.hpp>
#undef min
#undef max
static const TBuiltInResource DefaultBuiltInResource =
{
32,
6,
32,
32,
64,
4096,
64,
32,
80,
32,
4096,
32,
128,
8,
16,
16,
15,
-8,
7,
8,
65535,
65535,
65535,
1024,
1024,
64,
1024,
16,
8,
8,
1,
60,
64,
64,
128,
128,
8,
8,
8,
0,
0,
0,
0,
0,
8,
8,
16,
256,
1024,
1024,
64,
128,
128,
16,
1024,
4096,
128,
128,
16,
1024,
120,
32,
64,
16,
0,
0,
0,
0,
8,
8,
1,
0,
0,
0,
0,
1,
1,
16384,
4,
64,
8,
8,
4,
{
1,
1,
1,
1,
1,
1,
1,
1,
1
}
};
namespace boo
{
static LogVisor::LogModule Log("boo::Vulkan");
IShaderPipeline* VulkanDataFactory::newShaderPipeline
(const char* vertSource, const char* fragSource,
std::vector<unsigned int>& vertBlobOut, std::vector<unsigned int>& fragBlobOut,
std::vector<unsigned int>& pipelineBlob,
size_t texCount, const char* texArrayName,
size_t uniformBlockCount, const char** uniformBlockNames,
BlendFactor srcFac, BlendFactor dstFac,
bool depthTest, bool depthWrite, bool backfaceCulling)
{
if (vertBlobOut.empty() || fragBlobOut.empty())
{
glslang::TShader vs(EShLangVertex);
vs.setStrings(&vertSource, 1);
if (!vs.parse(&DefaultBuiltInResource, 110, true, EShMsgDefault))
{
Log.report(LogVisor::Error, "unable to compile vertex shader\n%s", vs.getInfoLog());
return nullptr;
}
glslang::TShader fs(EShLangFragment);
fs.setStrings(&fragSource, 1);
if (!fs.parse(&DefaultBuiltInResource, 110, true, EShMsgDefault))
{
Log.report(LogVisor::Error, "unable to compile fragment shader\n%s", fs.getInfoLog());
return nullptr;
}
glslang::TProgram prog;
prog.addShader(&vs);
prog.addShader(&fs);
if (!prog.link(EShMsgDefault))
{
Log.report(LogVisor::Error, "unable to link shader program\n%s", prog.getInfoLog());
return nullptr;
}
glslang::GlslangToSpv(*prog.getIntermediate(EShLangVertex), vertBlobOut);
glslang::GlslangToSpv(*prog.getIntermediate(EShLangFragment), fragBlobOut);
}
/* TODO: The actual Vulkan API stuff */
return nullptr;
}
}