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test2/intern/ghost/intern/GHOST_ContextD3D.hh

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/* SPDX-FileCopyrightText: 2014-2023 Blender Authors
*
* SPDX-License-Identifier: GPL-2.0-or-later */
/** \file
* \ingroup GHOST
*/
#pragma once
#ifndef WIN32
# error WIN32 only!
#endif // WIN32
#include <D3D11.h>
#include "GHOST_Context.hh"
class GHOST_ContextD3D : public GHOST_Context {
/* XR code needs low level graphics data to send to OpenXR. */
friend class GHOST_XrGraphicsBindingD3D;
public:
GHOST_ContextD3D(bool stereoVisual, HWND hWnd);
~GHOST_ContextD3D() override;
/**
* Swaps front and back buffers of a window.
* \return A boolean success indicator.
*/
GHOST_TSuccess swapBuffers() override;
/**
* Activates the drawing context of this window.
* \return A boolean success indicator.
*/
GHOST_TSuccess activateDrawingContext() override;
/**
* Release the drawing context of the calling thread.
* \return A boolean success indicator.
*/
GHOST_TSuccess releaseDrawingContext() override;
/**
* Call immediately after new to initialize. If this fails then immediately delete the object.
* \return Indication as to whether initialization has succeeded.
*/
GHOST_TSuccess initializeDrawingContext() override;
/**
* Updates the drawing context of this window. Needed
* whenever the window is changed.
* \return Indication of success.
*/
GHOST_TSuccess updateDrawingContext() override
{
return GHOST_kFailure;
}
/**
* Checks if it is OK for a remove the native display
* \return Indication as to whether removal has succeeded.
*/
GHOST_TSuccess releaseNativeHandles() override;
/**
* Sets the swap interval for #swapBuffers.
* \param interval: The swap interval to use.
* \return A boolean success indicator.
*/
GHOST_TSuccess setSwapInterval(int /*interval*/) override
{
return GHOST_kFailure;
}
/**
* Gets the current swap interval for #swapBuffers.
* \param intervalOut: Variable to store the swap interval if it can be read.
* \return Whether the swap interval can be read.
*/
GHOST_TSuccess getSwapInterval(int & /*unused*/) override
{
return GHOST_kFailure;
}
/**
* Gets the OpenGL frame-buffer associated with the OpenGL context
* \return The ID of an OpenGL frame-buffer object.
*/
unsigned int getDefaultFramebuffer() override
{
return 0;
}
class GHOST_SharedOpenGLResource *createSharedOpenGLResource(
unsigned int width,
unsigned int height,
DXGI_FORMAT format,
ID3D11RenderTargetView *render_target);
class GHOST_SharedOpenGLResource *createSharedOpenGLResource(unsigned int width,
unsigned int height,
DXGI_FORMAT format);
void disposeSharedOpenGLResource(class GHOST_SharedOpenGLResource *shared_res);
GHOST_TSuccess blitFromOpenGLContext(class GHOST_SharedOpenGLResource *shared_res,
unsigned int width,
unsigned int height);
ID3D11Texture2D *getSharedTexture2D(class GHOST_SharedOpenGLResource *shared_res);
bool isUpsideDown() const override
{
return true;
}
private:
GHOST_TSuccess setupD3DLib();
static HMODULE s_d3d_lib;
static PFN_D3D11_CREATE_DEVICE s_D3D11CreateDeviceFn;
HWND m_hWnd;
ID3D11Device *m_device;
ID3D11DeviceContext *m_device_ctx;
};