kc3-lang/angle/src/libANGLE/renderer/gl/glx/PixmapSurfaceGLX.h

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• Hash : 4e6f6545
  Author :
  Date : 2020-04-16T16:31:24
  

  GLX: Support X11 pixmaps
  
  Add support for creating EGL pixmaps from X11 pixmaps using GLX.
  Pixmaps are needed for various external APIs such as VAAPI.
  
  Add support for EGL_NOK_texture_from_pixmap to allow binding
  pixmaps to textures.
  
  BUG=angleproject:4560
  
  Change-Id: I4a6d3ad7e87151ff5317bbdaaf093ac1b46daf5f
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2153805
  Commit-Queue: Geoff Lang <geofflang@chromium.org>
  Reviewed-by: Jonah Ryan-Davis <jonahr@google.com>
  Reviewed-by: Tim Van Patten <timvp@google.com>
  Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
  

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• src/libANGLE/renderer/gl/glx/PixmapSurfaceGLX.h

• //
  // Copyright 2020 The ANGLE Project Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  //
  
  // PixmapSurfaceGLX.h: GLX implementation of egl::Surface for Pixmaps
  
  #ifndef LIBANGLE_RENDERER_GL_GLX_PIXMAPSURFACEGLX_H_
  #define LIBANGLE_RENDERER_GL_GLX_PIXMAPSURFACEGLX_H_
  
  #include "libANGLE/renderer/gl/glx/SurfaceGLX.h"
  #include "libANGLE/renderer/gl/glx/platform_glx.h"
  
  namespace rx
  {
  
  class FunctionsGLX;
  
  class PixmapSurfaceGLX : public SurfaceGLX
  {
    public:
      PixmapSurfaceGLX(const egl::SurfaceState &state,
                       Pixmap pixmap,
                       Display *display,
                       const FunctionsGLX &glx,
                       glx::FBConfig fbConfig);
      ~PixmapSurfaceGLX() override;
  
      egl::Error initialize(const egl::Display *display) override;
      egl::Error makeCurrent(const gl::Context *context) override;
  
      egl::Error swap(const gl::Context *context) override;
      egl::Error postSubBuffer(const gl::Context *context,
                               EGLint x,
                               EGLint y,
                               EGLint width,
                               EGLint height) override;
      egl::Error querySurfacePointerANGLE(EGLint attribute, void **value) override;
      egl::Error bindTexImage(const gl::Context *context,
                              gl::Texture *texture,
                              EGLint buffer) override;
      egl::Error releaseTexImage(const gl::Context *context, EGLint buffer) override;
      void setSwapInterval(EGLint interval) override;
  
      EGLint getWidth() const override;
      EGLint getHeight() const override;
  
      EGLint isPostSubBufferSupported() const override;
      EGLint getSwapBehavior() const override;
  
      egl::Error checkForResize() override;
      glx::Drawable getDrawable() const override;
  
    private:
      unsigned mWidth;
      unsigned mHeight;
  
      const FunctionsGLX &mGLX;
      glx::FBConfig mFBConfig;
      Pixmap mXPixmap;
      glx::Pixmap mGLXPixmap;
      Display *mDisplay;
  };
  
  }  // namespace rx
  
  #endif  // LIBANGLE_RENDERER_GL_GLX_PIXMAPSURFACEGLX_H_
  

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