blob: d8b731828f26d674176401f38b89489857fed367 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
|
// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef UI_GL_GL_IMAGE_IO_SURFACE_H_
#define UI_GL_GL_IMAGE_IO_SURFACE_H_
#include <IOSurface/IOSurface.h>
#include <stdint.h>
#include "base/mac/scoped_cftyperef.h"
#include "base/macros.h"
#include "base/threading/thread_checker.h"
#include "ui/gfx/buffer_types.h"
#include "ui/gfx/generic_shared_memory_id.h"
#include "ui/gl/gl_image.h"
#if defined(__OBJC__)
@class CALayer;
#else
typedef void* CALayer;
#endif
namespace gl {
class GL_EXPORT GLImageIOSurface : public GLImage {
public:
GLImageIOSurface(const gfx::Size& size, unsigned internalformat);
bool Initialize(IOSurfaceRef io_surface,
gfx::GenericSharedMemoryId io_surface_id,
gfx::BufferFormat format);
// Overridden from GLImage:
void Destroy(bool have_context) override;
gfx::Size GetSize() override;
unsigned GetInternalFormat() override;
bool BindTexImage(unsigned target) override;
void ReleaseTexImage(unsigned target) override {}
bool CopyTexImage(unsigned target) override;
bool CopyTexSubImage(unsigned target,
const gfx::Point& offset,
const gfx::Rect& rect) override;
bool ScheduleOverlayPlane(gfx::AcceleratedWidget widget,
int z_order,
gfx::OverlayTransform transform,
const gfx::Rect& bounds_rect,
const gfx::RectF& crop_rect) override;
void OnMemoryDump(base::trace_event::ProcessMemoryDump* pmd,
uint64_t process_tracing_id,
const std::string& dump_name) override;
gfx::GenericSharedMemoryId io_surface_id() const { return io_surface_id_; }
base::ScopedCFTypeRef<IOSurfaceRef> io_surface();
static void SetLayerForWidget(gfx::AcceleratedWidget widget, CALayer* layer);
static unsigned GetInternalFormatForTesting(gfx::BufferFormat format);
protected:
~GLImageIOSurface() override;
private:
const gfx::Size size_;
const unsigned internalformat_;
gfx::BufferFormat format_;
base::ScopedCFTypeRef<IOSurfaceRef> io_surface_;
gfx::GenericSharedMemoryId io_surface_id_;
base::ThreadChecker thread_checker_;
// GL state to support 420v IOSurface conversion to RGB.
unsigned framebuffer_ = 0;
unsigned vertex_shader_ = 0;
unsigned fragment_shader_ = 0;
unsigned program_ = 0;
int size_location_ = -1;
unsigned vertex_buffer_ = 0;
unsigned yuv_textures_[2] = {};
DISALLOW_COPY_AND_ASSIGN(GLImageIOSurface);
};
} // namespace gl
#endif // UI_GL_GL_IMAGE_IO_SURFACE_H_
|
