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67 lines
1.9 KiB
C++
67 lines
1.9 KiB
C++
// Copyright 2014 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef UI_GL_GL_IMAGE_MEMORY_H_
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#define UI_GL_GL_IMAGE_MEMORY_H_
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#include "ui/gl/gl_image.h"
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#include <EGL/egl.h>
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#include <EGL/eglext.h>
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#include "base/numerics/safe_math.h"
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#include "ui/gfx/gpu_memory_buffer.h"
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namespace gfx {
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class GL_EXPORT GLImageMemory : public GLImage {
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public:
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GLImageMemory(const gfx::Size& size, unsigned internalformat);
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static bool StrideInBytes(size_t width,
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gfx::GpuMemoryBuffer::Format format,
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size_t* stride_in_bytes);
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bool Initialize(const unsigned char* memory,
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gfx::GpuMemoryBuffer::Format format);
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// Overridden from GLImage:
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void Destroy(bool have_context) override;
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gfx::Size GetSize() override;
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bool BindTexImage(unsigned target) override;
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void ReleaseTexImage(unsigned target) override {}
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bool CopyTexImage(unsigned target) override;
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void WillUseTexImage() override;
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void DidUseTexImage() override;
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void WillModifyTexImage() override {}
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void DidModifyTexImage() override {}
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bool ScheduleOverlayPlane(gfx::AcceleratedWidget widget,
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int z_order,
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OverlayTransform transform,
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const Rect& bounds_rect,
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const RectF& crop_rect) override;
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protected:
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~GLImageMemory() override;
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private:
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void DoBindTexImage(unsigned target);
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const gfx::Size size_;
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const unsigned internalformat_;
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const unsigned char* memory_;
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gfx::GpuMemoryBuffer::Format format_;
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bool in_use_;
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unsigned target_;
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bool need_do_bind_tex_image_;
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unsigned egl_texture_id_;
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EGLImageKHR egl_image_;
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DISALLOW_COPY_AND_ASSIGN(GLImageMemory);
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};
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} // namespace gfx
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#endif // UI_GL_GL_IMAGE_MEMORY_H_
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