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#pragma once
#include <exception>
#include <string>
#include "Runtime/Lua/LuaHelper.h"
#include "../Utilities/UtilMacros.h"
#include "OpenGL.h"
#include "Runtime/Math/Math.h"
class ImageData;
enum ETextureType
{
TEX_2D,
TEX_CUBE,
};
enum ETextureFormat
{
RGBA32,
RGB24,
RGB16,
R8,
A8,
};
enum ETextureWrapMode
{
Clamp,
Repeat,
Mirror,
};
enum ETextureFilterMode
{
Nearest,
Linear,
};
// GPU侧的导入设置
struct TextureSetting
{
bool keepImageData; // 是否保存图片数据
int type; // 图片类型
int format; // 内部格式
int wrapMode; // 包围
int filterMode; // 滤波
};
class TextureException : public std::exception
{
public:
TextureException(const char* what)
: std::exception(what)
{}
TextureException(int glError)
{
g_sharedGLErrorMsg = std::to_string(glError);
std::exception(g_sharedGLErrorMsg.c_str());
}
};
class Texture : public LuaBind::NativeClass<Texture>
{
public:
Texture(TextureSetting setting, int width, int height)/*throw TextureException*/; // 空贴图
Texture(TextureSetting setting, ImageData* imgData)/*throw TextureException*/;
Texture(LuaBind::VM* vm, TextureSetting setting, ImageData* imgData)/*throw TextureException*/;
~Texture();
void UpdateSubImage(Rect rect, int format, int type, const void* data);
GET(int, Width, m_Width);
GET(int, Height, m_Height);
GET(GLuint, GpuID, m_GPUID);
private:
void Init(TextureSetting setting, ImageData* imgData);
//------------------------------------------------------------------------------
GLuint m_GPUID;
int m_Width, m_Height;
int m_Type;
int m_Format;
int m_FilterMode;
int m_WrapMode;
bool m_KeepPixelData; // 是否保存图像像素数据，默认导入后不保存
LuaBind::MemberRef m_ImageData; //图片像素数据
//------------------------------------------------------------------------------
LUA_BIND_DECL_CLASS(Texture);
LUA_BIND_DECL_METHOD(_New);
LUA_BIND_DECL_METHOD(_GetWidth);
LUA_BIND_DECL_METHOD(_GetHeight);
LUA_BIND_DECL_METHOD(_GetSize);
LUA_BIND_DECL_METHOD(_GetType);
LUA_BIND_DECL_METHOD(_GetFormat);
LUA_BIND_DECL_METHOD(_GetWrapMode);
LUA_BIND_DECL_METHOD(_GetFilterMode);
LUA_BIND_DECL_METHOD(_IsKeepImageData);
LUA_BIND_DECL_METHOD(_GetImageData);
};
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