bool GLES2Video::BeginTargetScene(const Color& dwBGColor, const bool clear)
{
// explicit static cast for better performance
TexturePtr texturePtr = m_currentTarget.lock();
if (texturePtr)
{
Texture *pTexture = texturePtr.get(); // safety compile-time error checking
GLES2Texture *pGLES2Texture = static_cast<GLES2Texture*>(pTexture); // safer direct cast
const GLuint target = pGLES2Texture->GetFrameBufferID();
glBindFramebuffer(GL_FRAMEBUFFER, target);
CheckFrameBufferStatus(m_logger, target, pGLES2Texture->GetTextureID(), false);
if (clear)
{
Vector4 color;
color.SetColor(dwBGColor);
glClearColor(color.x, color.y, color.z, color.w);
glClear(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT);
}
const Texture::PROFILE& profile = pGLES2Texture->GetProfile();
Enable2D(static_cast<int>(profile.width), static_cast<int>(profile.height), true);
m_shaderContext->ResetViewConstants(m_orthoMatrix, GetCurrentTargetSize());
}
else
{
Message(GS_L("There's no render target"), GSMT_ERROR);
}
m_rendering = true;
return true;
}
bool GLES2Video::BeginSpriteScene(const Color& dwBGColor)
{
UnbindFrameBuffer();
if (dwBGColor != gs2d::constant::ZERO)
{
m_backgroundColor = dwBGColor;
}
Vector4 color;
color.SetColor(m_backgroundColor);
glClearColor(color.x, color.y, color.z, color.w);
glClear(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT);
SetAlphaMode(Video::AM_PIXEL);
m_rendering = true;
return true;
}