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OpenGL: Handle Spir-V

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This commit is contained in:
Lynix
2020-04-19 15:31:48 +02:00
parent f63d045676
commit bd6924d66d
11 changed files with 3454 additions and 53 deletions
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23
include/Nazara/OpenGLRenderer/Wrapper/Context.hpp
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@@ -8,7 +8,9 @@
#define NAZARA_OPENGLRENDERER_CONTEXTIMPL_HPP
#include <Nazara/Prerequisites.hpp>
#include <Nazara/Core/Algorithm.hpp>
#include <Nazara/OpenGLRenderer/Wrapper/CoreFunctions.hpp>
#include <array>
#include <string>
#include <unordered_set>
@@ -20,6 +22,22 @@ namespace Nz::GL
OpenGL_ES
};
enum class Extension
{
SpirV,
Max = SpirV
};
enum class ExtensionStatus
{
NotSupported,
ARB,
EXT,
KHR
};
struct ContextParams
{
ContextType type = ContextType::OpenGL_ES;
@@ -44,8 +62,10 @@ namespace Nz::GL
virtual void EnableVerticalSync(bool enabled) = 0;
inline ExtensionStatus GetExtensionStatus(Extension extension) const;
inline const ContextParams& GetParams() const;
inline bool IsExtensionSupported(Extension extension) const;
inline bool IsExtensionSupported(const std::string& extension) const;
bool Initialize(const ContextParams& params);
@@ -53,7 +73,7 @@ namespace Nz::GL
virtual void SwapBuffers() = 0;
#define NAZARA_OPENGLRENDERER_FUNC(name, sig) sig name = nullptr;
NAZARA_OPENGLRENDERER_FOREACH_GLES_FUNC(NAZARA_OPENGLRENDERER_FUNC)
NAZARA_OPENGLRENDERER_FOREACH_GLES_FUNC(NAZARA_OPENGLRENDERER_FUNC, NAZARA_OPENGLRENDERER_FUNC)
#undef NAZARA_OPENGLRENDERER_FUNC
static const Context* GetCurrentContext();
@@ -73,6 +93,7 @@ namespace Nz::GL
private:
void GL_APIENTRY HandleDebugMessage(GLenum source, GLenum type, GLuint id, GLenum severity, GLsizei length, const GLchar* message) const;
std::array<ExtensionStatus, UnderlyingCast(Extension::Max) + 1> m_extensionStatus;
std::unordered_set<std::string> m_supportedExtensions;
};
}

11
include/Nazara/OpenGLRenderer/Wrapper/Context.inl
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@@ -7,11 +7,22 @@
namespace Nz::GL
{
inline ExtensionStatus Context::GetExtensionStatus(Extension extension) const
{
return m_extensionStatus[UnderlyingCast(extension)];
}
inline const ContextParams& Context::GetParams() const
{
return m_params;
}
inline bool Context::IsExtensionSupported(Extension extension) const
{
return GetExtensionStatus(extension) != ExtensionStatus::NotSupported;
}
inline bool Context::IsExtensionSupported(const std::string& extension) const
{
return m_supportedExtensions.find(extension) != m_supportedExtensions.end();

6
include/Nazara/OpenGLRenderer/Wrapper/CoreFunctions.hpp
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@@ -11,6 +11,10 @@
#include <GLES3/gl32.h>
#include <GLES2/gl2ext.h>
// Define some OpenGL (not ES) extensions
#define GL_SHADER_BINARY_FORMAT_SPIR_V_ARB 0x9551
#define GL_SPIR_V_BINARY_ARB 0x9552
typedef void (GL_APIENTRYP PFNGLSPECIALIZESHADERARBPROC) (GLuint shader, const GLchar* pEntryPoint, GLuint numSpecializationConstants, const GLuint* pConstantIndex, const GLuint* pConstantValue);
// OpenGL core
#define NAZARA_OPENGLRENDERER_FOREACH_GLES_FUNC(cb, extCb) \
@@ -143,5 +147,7 @@
cb(glViewport, PFNGLVIEWPORTPROC) \
\
extCb(glDebugMessageCallback, PFNGLDEBUGMESSAGECALLBACKPROC) \
\
extCb(glSpecializeShaderARB, PFNGLSPECIALIZESHADERARBPROC) \
#endif

7
include/Nazara/OpenGLRenderer/Wrapper/Shader.hpp
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@@ -21,14 +21,19 @@ namespace Nz::GL
Shader(Shader&&) noexcept = default;
inline ~Shader();
inline bool Compile(std::string* error = nullptr);
inline void Compile();
inline bool Create(OpenGLDevice& device, GLenum type);
inline void Destroy();
inline bool GetCompilationStatus(std::string* error = nullptr);
inline void SetBinarySource(GLenum binaryFormat, const void* binary, GLsizei length);
inline void SetSource(const char* source, GLint length);
// GL_ARB_gl_spirv
inline void SpecializeShader(const GLchar* pEntryPoint, GLuint numSpecializationConstants, const GLuint* pConstantIndex, const GLuint* pConstantValue);
Shader& operator=(const Shader&) = delete;
Shader& operator=(Shader&&) noexcept = default;

60
include/Nazara/OpenGLRenderer/Wrapper/Shader.inl
View File

@@ -13,11 +13,37 @@ namespace Nz::GL
Destroy();
}
inline bool Shader::Compile(std::string* error)
inline void Shader::Compile()
{
assert(m_shader);
m_device->GetReferenceContext().glCompileShader(m_shader);
}
inline bool Shader::Create(OpenGLDevice& device, GLenum type)
{
Destroy();
m_device = &device;
m_shader = device.GetReferenceContext().glCreateShader(type);
if (!m_shader)
return false; //< TODO: Handle error messages
return true;
}
inline void Shader::Destroy()
{
if (m_shader)
{
m_device->GetReferenceContext().glDeleteShader(m_shader);
m_shader = 0;
}
}
inline bool Shader::GetCompilationStatus(std::string* error)
{
assert(m_shader);
const GL::Context& context = m_device->GetReferenceContext();
context.glCompileShader(m_shader);
GLint success;
context.glGetShaderiv(m_shader, GL_COMPILE_STATUS, &success);
@@ -43,27 +69,6 @@ namespace Nz::GL
return true;
}
inline bool Shader::Create(OpenGLDevice& device, GLenum type)
{
Destroy();
m_device = &device;
m_shader = device.GetReferenceContext().glCreateShader(type);
if (!m_shader)
return false; //< TODO: Handle error messages
return true;
}
inline void Shader::Destroy()
{
if (m_shader)
{
m_device->GetReferenceContext().glDeleteShader(m_shader);
m_shader = 0;
}
}
inline void Shader::SetBinarySource(GLenum binaryFormat, const void* binary, GLsizei length)
{
assert(m_shader);
@@ -77,6 +82,15 @@ namespace Nz::GL
m_device->GetReferenceContext().glShaderSource(m_shader, 1U, &source, &length);
}
inline void Shader::SpecializeShader(const GLchar* pEntryPoint, GLuint numSpecializationConstants, const GLuint* pConstantIndex, const GLuint* pConstantValue)
{
assert(m_shader);
const GL::Context& context = m_device->GetReferenceContext();
assert(context.glSpecializeShaderARB);
context.glSpecializeShaderARB(m_shader, pEntryPoint, numSpecializationConstants, pConstantIndex, pConstantValue);
}
}
#include <Nazara/OpenGLRenderer/DebugOff.hpp>