void Graphics::SetActiveRenderTarget(RenderTarget* aRenderTarget)
{
//Safety check that the render target isn't null and that it isn't already set
if(aRenderTarget != m_ActiveRenderTarget)
{
//Safety check the active render target and unbind it
if(m_ActiveRenderTarget != nullptr)
{
m_ActiveRenderTarget->Unbind();
}
//Set the active render target
m_ActiveRenderTarget = aRenderTarget;
//Safety check the newly active render target
if(m_ActiveRenderTarget != nullptr)
{
//And bind it
m_ActiveRenderTarget->Bind();
//Set the viewport size to match the render target's size
SetViewportSize(m_ActiveRenderTarget->GetWidth(), m_ActiveRenderTarget->GetHeight());
Log(VerbosityLevel_Graphics, "Set active render target: (%i, %i)", m_ActiveRenderTarget->GetWidth(), m_ActiveRenderTarget->GetHeight());
}
else
{
#if !TARGET_OS_IPHONE
SetViewportSize(m_Width, m_Height);
SetClearColor(m_ClearColor);
#endif
}
}
}
void rwxGLView::PrepareToDraw(){
InitSharedContextIfNecessary(this);
SetCurrent(*sharedContext);
InitGraphicsDeviceIfNecessary();
SetViewportSize();
m_engine->GraphicsDevice()->Clear();
m_engine->GraphicsDevice()->SetActiveViewport(&m_viewport);
}
void Graphics::Resize(int aWidth, int aHeight)
{
#if TARGET_OS_IPHONE
//We need to create a new frame buffer since is resized
m_MainRenderTarget->DestroyFrameBuffer();
m_MainRenderTarget->CreateFrameBuffer();
//If the assert is hit, the render target's frame buffer was NOT the size we expected to resize to
assert(m_MainRenderTarget->GetWidth() == aWidth && m_MainRenderTarget->GetHeight() == aHeight);
#else
m_Width = aWidth;
m_Height = aHeight;
#endif
Log(VerbosityLevel_Graphics, "Resize back buffer (%i, %i)", aWidth, aHeight);
//Lastly set the viewport size
SetViewportSize(aWidth, aHeight);
}
Camera::Camera(float width, float height, glm::vec3 initialPosition, glm::vec3 initialRotation, float fov, float nearClip, float farClip)
:Transform(initialPosition, initialRotation), camFOV(fov), camFarClip(farClip), camNearClip(nearClip)
{
SetViewportSize(width, height);
CalculateViewMatrix();
}
