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Create GL context abstraction layer

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This commit is contained in:
Doug Johnson
2016-05-12 01:32:18 -06:00
parent 69e818555d
commit ce10d9bd02
3 changed files with 26 additions and 292 deletions
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33
src/xenia/ui/gl/gl_context.h
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@@ -13,6 +13,7 @@
#include <gflags/gflags.h>
#include <memory>
#include <mutex>
#include "xenia/ui/gl/blitter.h"
#include "xenia/ui/gl/gl.h"
@@ -44,11 +45,25 @@ class GLContext : public GraphicsContext {
void BeginSwap() override;
void EndSwap() override;
std::unique_ptr<RawImage> Capture() override;
Blitter* blitter() { return &blitter_; }
protected:
Blitter blitter_;
std::unique_ptr<GLImmediateDrawer> immediate_drawer_;
static std::recursive_mutex global_gl_mutex_;
bool context_lost_ = false;
bool robust_access_supported_ = false;
static void FatalGLError(std::string error);
virtual bool Initialize(GLContext* share_context) = 0;
virtual void* handle() = 0;
GLContext(GraphicsProvider* provider, Window* target_window);
void SetupDebugging();
void AssertExtensionsPresent();
void DebugMessage(GLenum source, GLenum type, GLuint id, GLenum severity,
GLsizei length, const GLchar* message);
private:
friend class GLProvider;
@@ -59,31 +74,15 @@ class GLContext : public GraphicsContext {
GLContext* parent_context);
private:
GLContext(GraphicsProvider* provider, Window* target_window);
bool Initialize(GLContext* share_context);
void AssertExtensionsPresent();
void SetupDebugging();
void DebugMessage(GLenum source, GLenum type, GLuint id, GLenum severity,
GLsizei length, const GLchar* message);
static void GLAPIENTRY DebugMessageThunk(GLenum source, GLenum type,
GLuint id, GLenum severity,
GLsizei length,
const GLchar* message,
GLvoid* user_param);
HDC dc_ = nullptr;
HGLRC glrc_ = nullptr;
std::unique_ptr<GLEWContext> glew_context_;
std::unique_ptr<WGLEWContext> wglew_context_;
Blitter blitter_;
std::unique_ptr<GLImmediateDrawer> immediate_drawer_;
bool context_lost_ = false;
bool robust_access_supported_ = false;
};
} // namespace gl