From a077eb38b01292611f4f6031b75e3e2c1c20f06e Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Fri, 16 Aug 2019 08:54:08 +0800
Subject: *misc

---
 Source/modules/asura-core/Graphics/GfxDevice.h | 110 ++++++++++++++++++-------
 1 file changed, 81 insertions(+), 29 deletions(-)

(limited to 'Source/modules/asura-core/Graphics/GfxDevice.h')

diff --git a/Source/modules/asura-core/Graphics/GfxDevice.h b/Source/modules/asura-core/Graphics/GfxDevice.h
index 2b105df..7ef03a3 100644
--- a/Source/modules/asura-core/Graphics/GfxDevice.h
+++ b/Source/modules/asura-core/Graphics/GfxDevice.h
@@ -16,10 +16,40 @@
 namespace_begin(AsuraEngine)
 namespace_begin(Graphics)
 
+class Mesh;
 class Profiler;
 class Shader;
 class GPUBuffer;
 class Canvas;
+class DynamicVBO;
+class VBO;
+class VBOList;
+
+#define GFX_STATS_PROPERTY(TYPE,PROP_NAME,VAR_NAME)	\
+private: \
+	TYPE VAR_NAME; \
+public: \
+	void Set##PROP_NAME (TYPE val) { VAR_NAME = val; }	\
+  TYPE Get##PROP_NAME () {return VAR_NAME; } \
+	void Add##PROP_NAME (TYPE v=1) { VAR_NAME+=v;};
+
+struct GfxDeviceStats
+{
+	GFX_STATS_PROPERTY(uint,   DrawCall,     drawCall);			///< 统计drawcall
+	GFX_STATS_PROPERTY(uint,   CanvasSwitch, canvasSwitch);	///< 切换texture的次数
+	GFX_STATS_PROPERTY(uint,   ShaderSwitch, shaderSwitch);	///< 切换shader的次数
+	GFX_STATS_PROPERTY(uint64, PrimsCount,   primsCount);		///< 图元数量统计
+
+	void Reset()
+	{
+		drawCall = 0;
+		canvasSwitch = 0;
+		shaderSwitch = 0;
+		primsCount = 0;
+	}
+};
+
+#undef GFX_STATS_PROPERTY
 
 enum MatrixMode
 {
@@ -28,6 +58,20 @@ enum MatrixMode
 	MATRIX_MODE_VIEW = 2,
 };
 
+
+enum GfxPrimitiveType
+{
+	GFX_PRIMITIVE_TRIANGLES = 0,
+	GFX_PRIMITIVE_TRIANGLESTRIPDEPRECATED,
+	GFX_PRIMITIVE_QUADS,
+	GFX_PRIMITIVE_LINES,
+	GFX_PRIMITIVE_LINESTRIP,
+	GFX_PRIMITIVE_POINTS,
+					 
+	GFX_PRIMITIVE_TYPECOUNT, // KEEP THIS LAST!
+	GFX_PRIMITIVE_FORCE32BITINT = 0X7FFFFFFF // FORCE 32 BIT ENUM SIZE
+};
+
 enum GLParams
 {
 	GL_PARAM_MAX_TEXTURE_UNIT = 1,
@@ -44,12 +88,12 @@ public:
 
 	int     GetParam(GLParams param);
 
-	bool    Init(const AEMath::Recti& viewport);
+	bool    Init(const Recti& viewport);
 	bool    Inited();
 
-	void    SetViewport(const AEMath::Recti viewport);
+	void    SetViewport(const Recti viewport);
 
-	const AEMath::Recti& GetViewport();
+	const Recti& GetViewport();
 
 	void    PushMatrix();
 	void    PopMatrix();
@@ -63,10 +107,8 @@ public:
 	uint    GetMatrixDepth();
 	uint    GetMatrixIndex();
 
-	void    DrawArrays(GLenum mode, GLint first, GLsizei count);
-
-	AEMath::Matrix44& GetMatrix(MatrixMode mode);
-	AEMath::Matrix44  GetMVPMatrix();
+	Matrix44& GetMatrix(MatrixMode mode);
+	Matrix44  GetMVPMatrix();
 
 	void    SetDrawColor(float r, float g, float b, float a);
 	Color&  GetDrawColor();
@@ -74,36 +116,47 @@ public:
 	void    SetActiveShader(Shader* = NULL);
 	Shader* GetActiveShader() const;
 
+	VBO*    CreateVBO();
+	void    DeleteVBO();
+
+	void    DrawMesh(Mesh* mesh);
+	void    DrawVBO(VBO* vbo);
+	void    DrawDynamicVBO();
+	void    DrawTexture(Texture*);
+
 	void    WipeError();
 	bool    HasError();
 	GLenum  GetError();
 
-	GET_SET(MatrixMode, MatrixMode,   state.matrixMode);
-	GET_SET(Canvas*,    ActiveCanvas, state.canvas);
+	GET_SET(MatrixMode, MatrixMode,   m_State.matrixMode);
+	GET_SET(Canvas*,    ActiveCanvas, m_State.activeCanvas);
 
 private:
 
+	void BeforeDrawCall();
+
+	// Callbacks
+	void OnCreateVBO(VBO* vbo);
+	void OnDeleteVBO(VBO* vbo);
+
 	friend class Profiler;
 
-	struct
-	{
-		AEMath::Recti viewport;   ///< 当前的视区，在切换HDC或者本窗口大小改变或者部分刷新时变动
-		MatrixStack   matrix[3];  ///< model, view, projection矩阵 
-		MatrixMode    matrixMode; ///< 当前操作的矩阵
-		Color         drawColor;  ///< 绘制的颜色
-		Canvas*       canvas;     ///< 当前canvas
-		Shader*       shader;     ///< 当前使用的shader
-	} state;
+	struct {
+		Recti viewport;     ///< 当前的视区，在切换HDC或者本窗口大小改变或者部分刷新时变动
+		MatrixStack   matrix[3];    ///< model, view, projection矩阵 
+		MatrixMode    matrixMode;   ///< 当前操作的矩阵
+		Color         drawColor;    ///< 绘制的颜色
+		Canvas*       activeCanvas; ///< 当前canvas
+		Shader*       activeShader; ///< 当前使用的shader
+	} m_State;
 
 #if ASURA_GL_PROFILE
-	struct
-	{
-		uint drawCall;     ///< 统计drawcall
-		uint canvasSwitch; ///< 切换texture的次数
-		uint shaderSwitch; ///< 切换shader的次数
-	} stats;
+	GfxDeviceStats m_Stats;
 #endif
 
+	DynamicVBO* m_DynamicVBO;
+	VBOList*    m_VBOList;
+
 luaxport:
 
 	LUAX_DECL_SINGLETON(GfxDevice);
@@ -127,13 +180,12 @@ luaxport:
 
 };
 
-extern GfxDevice g_Device;
-
-
-#define GL_CALL(x) do { x; /*GLAssert(); */} while(0)
-
+// 全局gfx device，runner和editor都适用
+extern GfxDevice g_GfxDevice;
 
+inline GfxDevice& GetGfxDevice() { return g_GfxDevice; };
 
+#define GL_CALL(f, ...) do { f(__VA_ARGS__); /*GLAssert(); */} while(0)
 
 namespace_end
 namespace_end
-- 
cgit v1.1-26-g67d0