Files
test/intern/ghost/intern/GHOST_ContextSDL.hh
2023-04-06 08:29:57 +10:00

107 lines
2.8 KiB
C++

/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2014 Blender Foundation */
/** \file
* \ingroup GHOST
*/
#pragma once
#include "GHOST_Context.hh"
extern "C" {
#include "SDL.h"
}
#ifndef GHOST_OPENGL_SDL_CONTEXT_FLAGS
# ifdef WITH_GPU_DEBUG
# define GHOST_OPENGL_SDL_CONTEXT_FLAGS SDL_GL_CONTEXT_DEBUG_FLAG
# else
# define GHOST_OPENGL_SDL_CONTEXT_FLAGS 0
# endif
#endif
#ifndef GHOST_OPENGL_SDL_RESET_NOTIFICATION_STRATEGY
# define GHOST_OPENGL_SDL_RESET_NOTIFICATION_STRATEGY 0
#endif
class GHOST_ContextSDL : public GHOST_Context {
public:
/**
* Constructor.
*/
GHOST_ContextSDL(bool stereoVisual,
SDL_Window *window,
int contextProfileMask,
int contextMajorVersion,
int contextMinorVersion,
int contextFlags,
int contextResetNotificationStrategy);
/**
* Destructor.
*/
~GHOST_ContextSDL() 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;
/**
* Removes references to native handles from this context and then returns
* \return GHOST_kSuccess if it is OK for the parent to release the handles and
* GHOST_kFailure if releasing the handles will interfere with sharing
*/
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;
/**
* 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 &intervalOut) override;
private:
SDL_Window *m_window;
SDL_Window *m_hidden_window;
const int m_contextProfileMask;
const int m_contextMajorVersion;
const int m_contextMinorVersion;
const int m_contextFlags;
const int m_contextResetNotificationStrategy;
SDL_GLContext m_context; /* m_sdl_glcontext */
/** The first created OpenGL context (for sharing display lists) */
static SDL_GLContext s_sharedContext;
static int s_sharedCount;
};