//*************************************************************************************************
// Constructor
//*************************************************************************************************
RenderContext::RenderContext(HWND clientWindow, SUINT clientWidth, SUINT clientHeight)
: _d3dDevice(0),
_swapChain(0),
_d3dImmediateContext(0),
_d3dDriverType(D3D_DRIVER_TYPE_UNKNOWN),
_4xMsaaEnabled(false)
{
// Initialize the render context
SBOOL success = false;
// Create the Direct3D device
success = createDevice();
// Check for multisampling
if(success == true)
{
success = checkMultisampling();
}
// Create the swap chain for the device
if(success == true)
{
success = createSwapChain(clientWindow, clientWidth, clientHeight);
}
}
egl::Error DXGISwapChainWindowSurfaceWGL::initialize()
{
if (mOrientation != EGL_SURFACE_ORIENTATION_INVERT_Y_ANGLE)
{
// TODO(geofflang): Support the orientation extensions fully. Currently only inverting Y is
// supported. To support all orientations, an intermediate framebuffer will be needed with
// a blit before swap.
return egl::Error(EGL_BAD_ATTRIBUTE,
"DXGISwapChainWindowSurfaceWGL requires an orientation of "
"EGL_SURFACE_ORIENTATION_INVERT_Y_ANGLE.");
}
RECT rect;
if (!GetClientRect(mWindow, &rect))
{
return egl::Error(EGL_BAD_NATIVE_WINDOW, "Failed to query the window size.");
}
mWidth = rect.right - rect.left;
mHeight = rect.bottom - rect.top;
mSwapChainFormat = DXGI_FORMAT_R8G8B8A8_UNORM;
mSwapChainFlags = 0;
mDepthBufferFormat = GL_DEPTH24_STENCIL8;
mFunctionsGL->genFramebuffers(1, &mFramebufferID);
mFunctionsGL->genRenderbuffers(1, &mColorRenderbufferID);
mFunctionsGL->genRenderbuffers(1, &mDepthRenderbufferID);
return createSwapChain();
}
egl::Error DXGISwapChainWindowSurfaceWGL::checkForResize()
{
RECT rect;
if (!GetClientRect(mWindow, &rect))
{
return egl::Error(EGL_BAD_NATIVE_WINDOW, "Failed to query the window size.");
}
size_t newWidth = rect.right - rect.left;
size_t newHeight = rect.bottom - rect.top;
if (newWidth != mWidth || newHeight != mHeight)
{
mWidth = newWidth;
mHeight = newHeight;
// TODO(geofflang): Handle resize by resizing the swap chain instead of re-creating it.
egl::Error error = createSwapChain();
if (error.isError())
{
return error;
}
}
return egl::Error(EGL_SUCCESS);
}
egl::Error DXGISwapChainWindowSurfaceWGL::initialize(const egl::Display *display)
{
if (mOrientation != EGL_SURFACE_ORIENTATION_INVERT_Y_ANGLE)
{
// TODO(geofflang): Support the orientation extensions fully. Currently only inverting Y is
// supported. To support all orientations, an intermediate framebuffer will be needed with
// a blit before swap.
return egl::EglBadAttribute() << "DXGISwapChainWindowSurfaceWGL requires an orientation of "
"EGL_SURFACE_ORIENTATION_INVERT_Y_ANGLE.";
}
RECT rect;
if (!GetClientRect(mWindow, &rect))
{
return egl::EglBadNativeWindow() << "Failed to query the window size.";
}
mWidth = rect.right - rect.left;
mHeight = rect.bottom - rect.top;
mSwapChainFormat = DXGI_FORMAT_R8G8B8A8_UNORM;
mSwapChainFlags = 0;
mDepthBufferFormat = GL_DEPTH24_STENCIL8;
mFunctionsGL->genRenderbuffers(1, &mColorRenderbufferID);
mStateManager->bindRenderbuffer(GL_RENDERBUFFER, mColorRenderbufferID);
mFunctionsGL->genRenderbuffers(1, &mDepthRenderbufferID);
mStateManager->bindRenderbuffer(GL_RENDERBUFFER, mDepthRenderbufferID);
return createSwapChain();
}
void initVulkan() {
createInstance();
setupDebugCallback();
createSurface();
pickPhysicalDevice();
createLogicalDevice();
createSwapChain();
}
void initVulkan() {
createInstance();
setupDebugCallback();
createSurface();
pickPhysicalDevice();
createLogicalDevice();
createSwapChain();
createImageViews();
createRenderPass();
createGraphicsPipeline();
}