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// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef UI_GL_TEST_GL_TEST_HELPER_H_
#define UI_GL_TEST_GL_TEST_HELPER_H_
#include <stdint.h>
#include "ui/gfx/geometry/point.h"
#include "ui/gfx/geometry/size.h"
#include "ui/gl/gl_bindings.h"
#include "ui/gl/gl_context.h"
#include "ui/gl/gl_surface.h"
#if BUILDFLAG(IS_WIN)
#include "third_party/skia/include/core/SkBitmap.h"
#include "third_party/skia/include/core/SkColor.h"
#endif
namespace gl {
class GLTestHelper {
public:
// Creates a texture object.
// Does not check for errors, always returns texture.
static GLuint CreateTexture(GLenum target);
// Creates a framebuffer, attaches a color buffer, and checks for errors.
// Returns framebuffer, 0 on failure.
static GLuint SetupFramebuffer(int width, int height);
static std::pair<scoped_refptr<GLSurface>, scoped_refptr<GLContext>>
CreateOffscreenGLSurfaceAndContext();
#if BUILDFLAG(IS_WIN)
// Check that |location| is inside the bounds of |bitmap| and return the color
// at that pixel.
static SkColor GetColorAtPoint(const SkBitmap& bitmap,
const gfx::Point& location);
// Read back the content of |window| inside a rectangle at the origin with
// size |size|.
static SkBitmap ReadBackWindow(HWND window, const gfx::Size& size);
// Read back the content of |window| of the pixel at point |point|.
static SkColor ReadBackWindowPixel(HWND window, const gfx::Point& point);
#endif
};
} // namespace gl
#endif // UI_GL_TEST_GL_TEST_HELPER_H_
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