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OpenGL: Implement commands buffers

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This commit is contained in:
Lynix
2020-05-11 14:12:13 +02:00
parent fe5b70ae1c
commit 6a23d51147
19 changed files with 621 additions and 162 deletions
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32
include/Nazara/OpenGLRenderer/Wrapper/Context.hpp
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@@ -9,7 +9,9 @@
#include <Nazara/Prerequisites.hpp>
#include <Nazara/Core/Algorithm.hpp>
#include <Nazara/OpenGLRenderer/OpenGLVaoCache.hpp>
#include <Nazara/OpenGLRenderer/Wrapper/CoreFunctions.hpp>
#include <Nazara/Renderer/RenderStates.hpp>
#include <array>
#include <string>
#include <unordered_set>
@@ -94,17 +96,21 @@ namespace Nz::GL
inline Context(const OpenGLDevice* device);
virtual ~Context();
void BindBuffer(BufferTarget target, GLuint buffer) const;
void BindBuffer(BufferTarget target, GLuint buffer, bool force = false) const;
void BindFramebuffer(GLuint fbo) const;
void BindFramebuffer(FramebufferTarget target, GLuint fbo) const;
void BindProgram(GLuint program) const;
void BindSampler(UInt32 textureUnit, GLuint sampler) const;
void BindTexture(TextureTarget target, GLuint texture) const;
void BindTexture(UInt32 textureUnit, TextureTarget target, GLuint texture) const;
void BindUniformBuffer(UInt32 uboUnit, GLuint buffer, GLintptr offset, GLsizeiptr size) const;
void BindVertexArray(GLuint vertexArray, bool force = false) const;
virtual void EnableVerticalSync(bool enabled) = 0;
inline const OpenGLDevice* GetDevice() const;
inline ExtensionStatus GetExtensionStatus(Extension extension) const;
inline const OpenGLVaoCache& GetVaoCache() const;
inline const ContextParams& GetParams() const;
inline bool IsExtensionSupported(Extension extension) const;
@@ -116,8 +122,11 @@ namespace Nz::GL
inline void NotifyProgramDestruction(GLuint program) const;
inline void NotifySamplerDestruction(GLuint sampler) const;
inline void NotifyTextureDestruction(GLuint texture) const;
inline void NotifyVertexArrayDestruction(GLuint vao) const;
inline void SetCurrentTextureUnit(UInt32 textureUnit) const;
void SetCurrentTextureUnit(UInt32 textureUnit) const;
void SetScissorBox(GLint x, GLint y, GLsizei width, GLsizei height) const;
void SetViewport(GLint x, GLint y, GLsizei width, GLsizei height) const;
virtual void SwapBuffers() = 0;
@@ -134,6 +143,7 @@ namespace Nz::GL
virtual bool Activate() const = 0;
virtual void Desactivate() const = 0;
virtual const Loader& GetLoader() = 0;
void OnContextRelease();
virtual bool ImplementFallback(const std::string_view& function);
@@ -146,23 +156,41 @@ namespace Nz::GL
struct State
{
struct Box
{
GLint x, y;
GLsizei width, height;
};
struct TextureUnit
{
GLuint sampler = 0;
std::array<GLuint, UnderlyingCast(TextureTarget::Max) + 1> textureTargets = { 0 };
};
struct UniformBufferUnit
{
GLuint buffer = 0;
GLintptr offset = 0;
GLsizeiptr size = 0;
};
std::array<GLuint, UnderlyingCast(BufferTarget::Max) + 1> bufferTargets = { 0 };
std::vector<TextureUnit> textureUnits;
std::vector<UniformBufferUnit> uboUnits;
Box scissorBox;
Box viewport;
GLuint boundProgram = 0;
GLuint boundDrawFBO = 0;
GLuint boundReadFBO = 0;
GLuint boundVertexArray = 0;
UInt32 currentTextureUnit = 0;
RenderStates renderStates;
};
std::array<ExtensionStatus, UnderlyingCast(Extension::Max) + 1> m_extensionStatus;
std::unordered_set<std::string> m_supportedExtensions;
OpenGLVaoCache m_vaoCache;
const OpenGLDevice* m_device;
mutable State m_state;
};

15
include/Nazara/OpenGLRenderer/Wrapper/Context.inl
View File

@@ -8,6 +8,7 @@
namespace Nz::GL
{
inline Context::Context(const OpenGLDevice* device) :
m_vaoCache(*this),
m_device(device)
{
}
@@ -22,6 +23,11 @@ namespace Nz::GL
return m_extensionStatus[UnderlyingCast(extension)];
}
inline const OpenGLVaoCache& Context::GetVaoCache() const
{
return m_vaoCache;
}
inline const ContextParams& Context::GetParams() const
{
return m_params;
@@ -73,13 +79,10 @@ namespace Nz::GL
}
}
inline void Context::SetCurrentTextureUnit(UInt32 textureUnit) const
inline void Context::NotifyVertexArrayDestruction(GLuint vao) const
{
if (m_state.currentTextureUnit != textureUnit)
{
glActiveTexture(GL_TEXTURE0 + textureUnit);
m_state.currentTextureUnit = textureUnit;
}
if (m_state.boundVertexArray == vao)
m_state.boundVertexArray = 0;
}
}