bool GLVideo::BeginTargetScene(const Color& dwBGColor, const bool clear)
{
// explicit static cast for better performance
TexturePtr texturePtr = m_currentTarget.lock();
if (!texturePtr)
{
Message(GS_L("There's no render target"), GSMT_ERROR);
}
Texture *pTexture = texturePtr.get(); // safety compile-time error checking
GLTexture *pGLTexture = static_cast<GLTexture*>(pTexture); // safer direct cast
const GLuint target = pGLTexture->GetTextureInfo().m_frameBuffer;
glBindFramebuffer(GL_FRAMEBUFFER, target);
CheckFrameBufferStatus(target, pGLTexture->GetTextureInfo().m_texture, false);
if (clear)
{
math::Vector4 color;
color.SetColor(dwBGColor);
glClearColor(color.x, color.y, color.z, color.w);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
}
UpdateInternalShadersViewData(GetScreenSizeF(), true);
m_rendering = true;
return true;
}
