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path: root/Source/modules/asura-core/Graphics/Texture.cpp
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#include <asura-base/Exception.h>

#include "Texture.h"

namespace_begin(AsuraEngine)
namespace_begin(Graphics)

Texture::Texture()
	: m_TexID(0)
{
}

Texture::~Texture()
{
	// ͷԴ
	if(m_TexID != 0)
		glDeleteTextures(1, &m_TexID);
}

GLuint Texture::GetGLTexture() const
{
	return m_TexID;
}

TextureFormat Texture::ConvertColorFormat(const ColorFormat& colorformat)
{
	TextureFormat t;
	switch (colorformat)
	{
	case COLOR_FORMAT_RGBA8:
		t.internalformat = GL_RGBA8; // 4*sizeof(byte) ~= 4 bytes
		t.externalformat = GL_RGBA;
		t.type = GL_UNSIGNED_BYTE;
		break;
	case COLOR_FORMAT_RGBA32F:
		t.internalformat = GL_RGBA32F; // 4*sizeof(float) = 16 bytes
		t.externalformat = GL_RGBA;
		t.type = GL_FLOAT;
		break;
	default: 
		ASSERT(false);
	}
	return t;
}

namespace_end
namespace_end