107 lines
2.8 KiB
C++
107 lines
2.8 KiB
C++
/* SPDX-License-Identifier: GPL-2.0-or-later
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* Copyright 2014 Blender Foundation */
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/** \file
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* \ingroup GHOST
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*/
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#pragma once
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#include "GHOST_Context.hh"
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extern "C" {
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#include "SDL.h"
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}
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#ifndef GHOST_OPENGL_SDL_CONTEXT_FLAGS
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# ifdef WITH_GPU_DEBUG
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# define GHOST_OPENGL_SDL_CONTEXT_FLAGS SDL_GL_CONTEXT_DEBUG_FLAG
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# else
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# define GHOST_OPENGL_SDL_CONTEXT_FLAGS 0
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# endif
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#endif
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#ifndef GHOST_OPENGL_SDL_RESET_NOTIFICATION_STRATEGY
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# define GHOST_OPENGL_SDL_RESET_NOTIFICATION_STRATEGY 0
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#endif
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class GHOST_ContextSDL : public GHOST_Context {
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public:
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/**
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* Constructor.
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*/
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GHOST_ContextSDL(bool stereoVisual,
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SDL_Window *window,
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int contextProfileMask,
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int contextMajorVersion,
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int contextMinorVersion,
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int contextFlags,
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int contextResetNotificationStrategy);
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/**
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* Destructor.
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*/
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~GHOST_ContextSDL() override;
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/**
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* Swaps front and back buffers of a window.
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* \return A boolean success indicator.
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*/
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GHOST_TSuccess swapBuffers() override;
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/**
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* Activates the drawing context of this window.
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* \return A boolean success indicator.
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*/
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GHOST_TSuccess activateDrawingContext() override;
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/**
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* Release the drawing context of the calling thread.
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* \return A boolean success indicator.
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*/
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GHOST_TSuccess releaseDrawingContext() override;
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/**
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* Call immediately after new to initialize. If this fails then immediately delete the object.
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* \return Indication as to whether initialization has succeeded.
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*/
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GHOST_TSuccess initializeDrawingContext() override;
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/**
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* Removes references to native handles from this context and then returns
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* \return GHOST_kSuccess if it is OK for the parent to release the handles and
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* GHOST_kFailure if releasing the handles will interfere with sharing
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*/
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GHOST_TSuccess releaseNativeHandles() override;
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/**
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* Sets the swap interval for #swapBuffers.
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* \param interval: The swap interval to use.
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* \return A boolean success indicator.
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*/
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GHOST_TSuccess setSwapInterval(int interval) override;
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/**
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* Gets the current swap interval for #swapBuffers.
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* \param intervalOut: Variable to store the swap interval if it can be read.
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* \return Whether the swap interval can be read.
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*/
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GHOST_TSuccess getSwapInterval(int &intervalOut) override;
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private:
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SDL_Window *m_window;
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SDL_Window *m_hidden_window;
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const int m_contextProfileMask;
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const int m_contextMajorVersion;
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const int m_contextMinorVersion;
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const int m_contextFlags;
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const int m_contextResetNotificationStrategy;
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SDL_GLContext m_context; /* m_sdl_glcontext */
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/** The first created OpenGL context (for sharing display lists) */
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static SDL_GLContext s_sharedContext;
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static int s_sharedCount;
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};
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