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#ifndef DEVICE_H
#define DEVICE_H
#include "../Math/Math.h"
#include "../Utilities/Type.h"
#include "../Utilities/Assert.h"
#include "../Graphics/Shader.h"
#include "../Math/Vector2.hpp"
#include "../Math/Vector3.hpp"
#include "../Math/Vector4.hpp"
#include "../Math/Matrix44.h"
#include "Shader.h"
#include "Texture.h"
#include "DeviceDefine.h"
#include "VertexBuffer.h"
#include "DynamicVertexBuffer.h"
#include "Color.h"
struct GfxDeviceSetting
{
ETextureFilterMode filterMode; // 默认的贴图过滤模式
ETextureWrapMode wrapMode; // 默认的贴图平铺模式
};
// 当前绑定的shader
struct ShaderState
{
Shader* shader;
operator bool()
{
return shader != NULL;
}
GLuint GetID() {
if (shader == nullptr)
return 0;
GLint id = shader->GetID();
return id;
}
};
// 对渲染相关API的封装
class GfxDevice
{
public:
GfxDevice();
~GfxDevice();
void Initialize(GfxDeviceSetting setting);
void Enable(EDeviceEnable enabled);
void Disable(EDeviceEnable enabled);
void IsEnable(uint flag);
void SetDepthTest(EDepthTest testing);
void SetCullFace(ECullFace face);
void SetStencilMask(byte stencilMask);
void SetStencilOp(EStencilOp op);
void SetAntiAliasing(int level = 0);
void Clear(int clearFlag);
void UseShader(Shader* shader, int idx);
void UnuseShader();
void SetUniformVec2(const char* name, Vector2f vec2);
void SetUniformVec3(const char* name, Vector3f vec3);
void SetUniformVec4(const char* name, Vector4f vec4);
void SetUniformMat4(const char* name, Matrix44 mat4);
void SetUniformTexture(const char* name, Texture* texture);
void BeginFrame();
void EndFrame();
void PresentFrame();
bool IsInsideFrame();
DynamicVertexBuffer* GetSharedVBO() { return &m_DynamicVBO; }
GET_SET(Color, ClearColor, m_ClearColor);
GET_SET(ETextureFilterMode, DefaultFilterMode, m_DefaultFilterMode);
GET_SET(ETextureWrapMode, DefaultWrapMode, m_DefaultWrapMode);
private:
bool m_IsInsideFrame;
// 渲染状态
uint m_EnableFlag;
Color m_ClearColor;
EDepthTest m_DepthTest;
EStencilTest m_StencilTest;
EStencilOp m_StencilOp;
byte m_StencilMask;
ShaderState m_Shader; // 当前绑定的shader
// 贴图默认设置
ETextureFilterMode m_DefaultFilterMode;
ETextureWrapMode m_DefaultWrapMode;
DynamicVertexBuffer m_DynamicVBO; // 共享的VBO，用来做立即渲染
};
extern GfxDevice g_GfxDevice;
#define g_SharedVBO (*g_GfxDevice.GetSharedVBO())
#endif
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