*misc

1 files changed, 160 insertions, 0 deletions

diff --git a/source/modules/asura-core/graphics/gfx_device.h b/source/modules/asura-core/graphics/gfx_device.h
new file mode 100644
index 0000000..5bb8c6a
--- /dev/null
+++ b/source/modules/asura-core/graphics/gfx_device.h
@@ -0,0 +1,160 @@
+#ifndef __ASURA_ENGINE_GFX_DEVICE_H__
+#define __ASURA_ENGINE_GFX_DEVICE_H__
+
+#include <stack>
+
+#include <glad/glad.h>
+
+#include <asura-utils/scripting/portable.hpp>
+#include <asura-utils/math/rect.hpp>
+#include <asura-utils/math/matrix44.h>
+#include <asura-utils/math/vector4.h>
+
+#include "color.h"
+#include "matrix_stack.h"
+
+namespace AsuraEngine
+{
+	namespace Graphics
+	{
+
+		class Profiler;
+		class Shader;
+
+		enum MatrixMode
+		{
+			MATRIX_MODE_PROJECTION = 0,
+			MATRIX_MODE_MODEL = 1,
+			MATRIX_MODE_VIEW = 2,
+		};
+
+		enum GLParams
+		{
+			GL_PARAM_MAX_TEXTURE_UNIT = 1,
+		};
+
+		///
+		/// OpenGL�����ģ�������һЩopengl״̬��׷�١��ڱ༭���ര�ڻ����£�һ�����ڶ�Ӧһ��hwnd��
+		/// һ��hdc���Լ�����opengl context�����ʹ��wglMakeCurrent(hdc, glc)ָ����ǰ�̶߳���
+		/// ��Ⱦ����hdc��opengl������glc��gl�м�¼�ľ�������һ���̵߳�����һ�����ڵ�����һ��OpenGL
+		/// �����ĵ�״̬����֧�ֶ���������Ⱦ��
+		///
+		class GfxDevice : public AEScripting::Portable<GfxDevice>
+		{
+		public:
+
+			GfxDevice();
+			~GfxDevice();
+
+			///
+			/// ��ó���ֵ
+			///
+			int GetParam(GLParams param);
+
+			///
+			/// ��ʼ��OpenGL�����IJ����������ڴ���OpenGL������֮�󡣴˺�����ע��OpenGL�����ĵ�ַ��
+			///
+			bool Init(const AEMath::Recti& viewport);
+			bool Inited();
+
+			void SetViewport(const AEMath::Recti viewport);
+			const AEMath::Recti& GetViewport();
+
+			void UseShader(Shader* shader);
+			void UnuseShader();
+			Shader* GetShader();
+
+			// Draw call. 
+			void DrawArrays(GLenum mode, GLint first, GLsizei count);
+
+			///
+			/// Matrix stack��ز���
+			///
+			void SetMatrixMode(MatrixMode mode);
+			MatrixMode GetMatrixMode();
+			void PushMatrix();
+			void PopMatrix();
+			void LoadIdentity();
+			void Rotate(float angle);
+			void Translate(float x, float y);
+			void Scale(float x, float y);
+			void Ortho(float l, float r, float b, float t, float n, float f);
+			AEMath::Matrix44& GetMatrix(MatrixMode mode);
+			AEMath::Matrix44 GetMVPMatrix();
+			uint GetMatrixDepth();
+			uint GetMatrixIndex();
+
+			void SetDrawColor(float r, float g, float b, float a);
+			Color& GetDrawColor();
+
+			///
+			/// ����������ʾ
+			///
+			void WipeError();
+			bool HasError();
+			GLenum GetError();
+
+			/// 
+			/// OpenGL3.0�Ժ����û���������任���ӿڡ�shader�Ȳ��������ﱣ��һЩOpenGL״̬��ע��
+			/// �ƺ�ȫ���̵ģ�Ҳ����˵��Asura��֧�ֶ��߳���Ⱦ��OpenGL�����ĵĴ���ʹ��һ������
+			/// �İ���һ��HDC\�����ϣ����ڴ��������ض��̴߳����ģ�����OpenGL������Ҳ����һ��
+			/// �ض����̡߳�ͬһ���̵߳IJ�ͬHDC\���ڿ��Թ���ͬһ��OpenGL�����ġ�������������Ϊ��
+			/// ���������������textuer\shader��handle��
+			/// 
+			struct
+			{
+				Shader*       shader;     ///< ��ǰʹ�õ�shader
+				AEMath::Recti viewport;   ///< ��ǰ�����������л�HDC���߱����ڴ�С�ı���߲���ˢ��ʱ�䶯
+				MatrixStack   matrix[3];  ///< model, view, projection���� 
+				MatrixMode    matrixMode; ///< ��ǰ�����ľ���
+				Color         drawColor;  ///< ���Ƶ���ɫ
+			} state;
+
+#if ASURA_GL_PROFILE
+			struct
+			{
+				uint drawCall;      ///< ͳ��drawcall
+				uint canvasSwitch;  ///< �л�texture�Ĵ���
+				uint shaderSwitch;  ///< �л�shader�Ĵ���
+			} stats;
+#endif
+
+		private:
+
+			friend class Profiler;
+
+			//----------------------------------------------------------------------------//
+
+			LUAX_DECL_SINGLETON(GfxDevice);
+
+			LUAX_DECL_ENUM(MatrixMode, 1);
+			LUAX_DECL_ENUM(GLParams, 1);
+
+			LUAX_DECL_METHOD(_SetMatrixMode);
+			LUAX_DECL_METHOD(_GetMatrixMode);
+			LUAX_DECL_METHOD(_PushMatrix);
+			LUAX_DECL_METHOD(_PopMatrix);
+			LUAX_DECL_METHOD(_LoadIdentity);
+			LUAX_DECL_METHOD(_Rotate);
+			LUAX_DECL_METHOD(_Translate);
+			LUAX_DECL_METHOD(_Scale);
+			LUAX_DECL_METHOD(_Ortho);
+			LUAX_DECL_METHOD(_GetMatrixDepth);
+			LUAX_DECL_METHOD(_GetMatrixIndex);
+
+			LUAX_DECL_METHOD(_UseShader);
+			LUAX_DECL_METHOD(_UnuseShader);
+
+			//----------------------------------------------------------------------------//
+
+		};
+
+		///
+		/// OpenGL������
+		///
+		extern GfxDevice gfx;
+
+	}
+}
+
+#endif
\ No newline at end of file