5 files changed, 181 insertions, 0 deletions

diff --git a/Runtime/Rendering/DynamicMesh.h b/Runtime/Rendering/DynamicMesh.h
new file mode 100644
index 0000000..3cbb6f6
--- /dev/null
+++ b/Runtime/Rendering/DynamicMesh.h
@@ -0,0 +1,10 @@
+#pragma once
+#include "Runtime/Utilities/StaticInitiator.h"
+
+// Ìî³äg_SharedVBOµÄ¶¯Ì¬mesh
+class DynamicMesh
+{
+public:
+	virtual void Draw() = 0;
+
+};
diff --git a/Runtime/Rendering/Quad.cpp b/Runtime/Rendering/Quad.cpp
new file mode 100644
index 0000000..b4f81ee
--- /dev/null
+++ b/Runtime/Rendering/Quad.cpp
@@ -0,0 +1,61 @@
+#include "../Math/Vector2.h"
+#include "../Math/Vector3.h"
+#include "Quad.h"
+#include "../Graphics/GfxDevice.h"
+
+struct QuadVBOLayout
+{
+	Internal::Vector3 position;
+	Internal::Vector2 uv;
+};
+
+static CustomVertexLayout layout;
+
+InitializeStaticVariables([]() {
+	VertexAttributeDescriptor POSITION = VertexAttributeDescriptor(0, 3, VertexAttrFormat_Float, sizeof(QuadVBOLayout));
+	VertexAttributeDescriptor UV = VertexAttributeDescriptor(sizeof(Internal::Vector3), 2, VertexAttrFormat_Float, sizeof(QuadVBOLayout));
+
+	layout.attributes.push_back(POSITION);
+	layout.attributes.push_back(UV);
+});
+
+void Quad::Draw()
+{
+	const int nVerts = 4;
+	const int nIndices = 6;
+
+	float pos[] = {
+		m_Left,  m_Bottom, 0, // left-bottom
+		m_Right, m_Bottom, 0, // right-bottom
+		m_Right, m_Top,    0, // right-top
+		m_Left,  m_Top,    0, // top-left
+	};
+	float uv[] = {
+		0, 0,
+		1, 0,
+		1, 1,
+		0, 1,
+	};
+	int indices[] = {
+		0, 1, 3, // right-top  
+		1, 2, 3, // left-bottom
+	};
+
+	uint8* vb;
+	uint16* ib;
+
+	g_SharedVBO.GetChunk(sizeof(QuadVBOLayout), sizeof(uint16), 4, 6, Primitive_Triangle, (void**)&vb, (void**)&ib);
+
+	QuadVBOLayout* dst = (QuadVBOLayout*)vb;
+	for (int i = 0; i < nVerts; ++i)
+	{
+		dst[i].position.Set(pos[3 * i], pos[3 * i + 1], pos[3 * i + 2]);
+		dst[i].uv.Set(uv[2 * i], uv[2 * i + 1]);
+	}
+
+	for (int i = 0; i < nIndices; ++i)
+		ib[i] = indices[i];
+
+	g_SharedVBO.ReleaseChunk(4, 6);
+	g_SharedVBO.DrawChunk(layout);
+}
\ No newline at end of file
diff --git a/Runtime/Rendering/Quad.h b/Runtime/Rendering/Quad.h
new file mode 100644
index 0000000..ee6c5be
--- /dev/null
+++ b/Runtime/Rendering/Quad.h
@@ -0,0 +1,26 @@
+#ifndef QUAD_H
+#define QUAD_H
+
+#include "../Utilities/UtilMacros.h"
+#include "DynamicMesh.h"
+
+class Quad : public DynamicMesh
+{
+public: 
+	Quad(float l, float r, float t, float b);
+
+	void Set(float l, float r, float t, float b);
+
+	GET_SET(float, Left, m_Left);
+	GET_SET(float, Right, m_Right);
+	GET_SET(float, Top, m_Top);
+	GET_SET(float, Bottom, m_Bottom);
+
+	void Draw() override; 
+
+private: 
+	float m_Left, m_Right, m_Top, m_Bottom;
+
+};
+
+#endif
\ No newline at end of file
diff --git a/Runtime/Rendering/UIQuad.cpp b/Runtime/Rendering/UIQuad.cpp
new file mode 100644
index 0000000..35dcf7e
--- /dev/null
+++ b/Runtime/Rendering/UIQuad.cpp
@@ -0,0 +1,63 @@
+#include "../Math/Vector2.h"
+#include "../Graphics/GfxDevice.h"
+#include "UIQuad.h"
+
+struct UIQuadLayout
+{
+	Internal::Vector2 position;
+	Internal::Vector2 uv;
+};
+
+static CustomVertexLayout layout;
+
+InitializeStaticVariables([](){
+	VertexAttributeDescriptor POSITION = VertexAttributeDescriptor(0, 2, VertexAttrFormat_Float, sizeof(UIQuadLayout));
+	VertexAttributeDescriptor UV = VertexAttributeDescriptor(sizeof(Internal::Vector2), 2, VertexAttrFormat_Float, sizeof(UIQuadLayout));
+
+	layout.attributes.push_back(POSITION);
+	layout.attributes.push_back(UV);
+});
+
+void UIQuad::Draw()
+{
+	const int nVerts = 4;
+	const int nIndices = 6;
+
+	float pos[] = {
+		m_Left,  m_Bottom, // left-bottom
+		m_Right, m_Bottom, // right-bottom
+		m_Right, m_Top,    // right-top
+		m_Left,  m_Top,    // top-left
+	};
+
+	float uv[] = {
+		0, 0,
+		1, 0,
+		1, 1,
+		0, 1,
+	};
+
+	int indices[] = {
+		0, 1, 3, // right-top  
+		1, 2, 3, // left-bottom
+	};
+
+	uint8* vb;
+	uint16* ib;
+	
+	g_SharedVBO.GetChunk(sizeof(UIQuadLayout), sizeof(uint16), 4, 6, Primitive_Triangle, (void**)&vb, (void**)&ib);
+
+	UIQuadLayout* dst = (UIQuadLayout*)vb;
+
+	for (int i = 0; i < nVerts; ++i)
+	{
+		dst[i].position.Set(pos[2 * i], pos[2 * i + 1]);
+		dst[i].uv.Set(uv[2 * i], uv[2 * i + 1]);
+	}
+
+	for (int i = 0; i < nIndices; ++i)
+		ib[i] = indices[i];
+
+	g_SharedVBO.ReleaseChunk(4, 6);
+	g_SharedVBO.DrawChunk(layout);
+}
\ No newline at end of file
diff --git a/Runtime/Rendering/UIQuad.h b/Runtime/Rendering/UIQuad.h
new file mode 100644
index 0000000..f6d3a98
--- /dev/null
+++ b/Runtime/Rendering/UIQuad.h
@@ -0,0 +1,21 @@
+#pragma once 
+#include "DynamicMesh.h"
+#include "../Utilities/StaticInitiator.h"
+
+class UIQuad : public DynamicMesh
+{
+public :
+    UIQuad(float l, float r, float t, float b)
+    {
+        m_Left = l;
+        m_Right = r;
+        m_Top = t;
+        m_Bottom = b;
+    }
+
+	void Draw() override;
+
+private:
+	float m_Left, m_Right, m_Top, m_Bottom;
+
+};