Method UpdateRenderTargetViewport

trinity/Shader/Tr2EffectStateManager.cpp:1193–1219

}

void Tr2EffectStateManager::UpdateRenderTargetViewport( unsigned width, unsigned height )
{
	CCP_ASSERT( width > 0 );
	CCP_ASSERT( height > 0 );

	// Keep record of the render target's width and height. This is used when
	// checking whether the viewport extends beyond the render target or not.
	m_renderTargetWidth = width;
	m_renderTargetHeight = height;

	// Reset the viewport
	m_viewportOnDevice.m_x = 0;
	m_viewportOnDevice.m_y = 0;
	m_viewportOnDevice.m_height = (float)height;
	m_viewportOnDevice.m_width = (float)width;
	m_viewport.height = height;
	m_viewport.width = width;
	m_viewport.x = 0;
	m_viewport.y = 0;
	m_viewport.minZ = m_viewportOnDevice.m_minZ = 0.0f;
	m_viewport.maxZ = m_viewportOnDevice.m_maxZ = 1.0f;

	m_viewportSizeVar = Vector4( m_viewportOnDevice.m_width, m_viewportOnDevice.m_height, (float)m_renderTargetWidth, (float)m_renderTargetHeight );

	// Reset the projection adjustment
	//m_viewport2projectionAdjustment = IdentityMatrix();
}

void Tr2EffectStateManager::SetupViewport()
{