kc3-lang/angle/src/common/fuchsia_egl/fuchsia_egl.c

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• Hash : 415bb0cd
  Author :
  Date : 2019-08-06T17:26:14
  

  IWYU - zircon/assert.h without stdlib.h
  
  Bug: None
  Change-Id: I524d9c97ebe0f58487bff47631ffc68073f665f4
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1740871
  Reviewed-by: Michael Spang <spang@chromium.org>
  Commit-Queue: Michael Spang <spang@chromium.org>
  

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• src/common/fuchsia_egl/fuchsia_egl.c

• // Copyright 2019 The Fuchsia Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  
  #include "fuchsia_egl.h"
  #include "fuchsia_egl_backend.h"
  
  #include <zircon/assert.h>
  #include <zircon/syscalls.h>
  
  #include <stdlib.h>
  
  #define FUCHSIA_EGL_WINDOW_MAGIC 0x80738870  // "FXIP"
  
  struct fuchsia_egl_window
  {
      uint32_t magic;
      zx_handle_t image_pipe_handle;
      int32_t width;
      int32_t height;
  };
  
  fuchsia_egl_window *fuchsia_egl_window_create(zx_handle_t image_pipe_handle,
                                                int32_t width,
                                                int32_t height)
  {
      if (width <= 0 || height <= 0)
          return NULL;
  
      fuchsia_egl_window *egl_window = malloc(sizeof(*egl_window));
      egl_window->magic              = FUCHSIA_EGL_WINDOW_MAGIC;
      egl_window->image_pipe_handle  = image_pipe_handle;
      egl_window->width              = width;
      egl_window->height             = height;
      return egl_window;
  }
  
  void fuchsia_egl_window_destroy(fuchsia_egl_window *egl_window)
  {
      ZX_ASSERT(egl_window->magic == FUCHSIA_EGL_WINDOW_MAGIC);
      if (egl_window->image_pipe_handle != ZX_HANDLE_INVALID)
      {
          zx_handle_close(egl_window->image_pipe_handle);
          egl_window->image_pipe_handle = ZX_HANDLE_INVALID;
      }
      egl_window->magic = -1U;
      free(egl_window);
  }
  
  void fuchsia_egl_window_resize(fuchsia_egl_window *egl_window, int32_t width, int32_t height)
  {
      ZX_ASSERT(egl_window->magic == FUCHSIA_EGL_WINDOW_MAGIC);
      if (width <= 0 || height <= 0)
          return;
      egl_window->width  = width;
      egl_window->height = height;
  }
  
  int32_t fuchsia_egl_window_get_width(fuchsia_egl_window *egl_window)
  {
      ZX_ASSERT(egl_window->magic == FUCHSIA_EGL_WINDOW_MAGIC);
      return egl_window->width;
  }
  
  int32_t fuchsia_egl_window_get_height(fuchsia_egl_window *egl_window)
  {
      ZX_ASSERT(egl_window->magic == FUCHSIA_EGL_WINDOW_MAGIC);
      return egl_window->height;
  }
  
  zx_handle_t fuchsia_egl_window_release_image_pipe(fuchsia_egl_window *egl_window)
  {
      ZX_ASSERT(egl_window->magic == FUCHSIA_EGL_WINDOW_MAGIC);
      zx_handle_t image_pipe_handle = egl_window->image_pipe_handle;
      egl_window->image_pipe_handle = ZX_HANDLE_INVALID;
      return image_pipe_handle;
  }
  

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