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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "content/common/gpu/client/gpu_memory_buffer_impl.h" | 5 #include "content/common/gpu/client/gpu_memory_buffer_impl.h" |
6 | 6 |
7 #include "base/logging.h" | 7 #include "base/logging.h" |
8 #include "base/numerics/safe_math.h" | 8 #include "base/numerics/safe_math.h" |
9 #include "content/common/gpu/client/gpu_memory_buffer_impl_shared_memory.h" | 9 #include "content/common/gpu/client/gpu_memory_buffer_impl_shared_memory.h" |
10 #include "ui/gl/gl_bindings.h" | 10 #include "ui/gl/gl_bindings.h" |
| 11 #include "ui/gl/gl_image_memory.h" |
11 | 12 |
12 #if defined(OS_MACOSX) | 13 #if defined(OS_MACOSX) |
13 #include "content/common/gpu/client/gpu_memory_buffer_impl_io_surface.h" | 14 #include "content/common/gpu/client/gpu_memory_buffer_impl_io_surface.h" |
14 #endif | 15 #endif |
15 | 16 |
16 #if defined(OS_ANDROID) | 17 #if defined(OS_ANDROID) |
17 #include "content/common/gpu/client/gpu_memory_buffer_impl_surface_texture.h" | 18 #include "content/common/gpu/client/gpu_memory_buffer_impl_surface_texture.h" |
18 #endif | 19 #endif |
19 | 20 |
20 #if defined(USE_OZONE) | 21 #if defined(USE_OZONE) |
21 #include "content/common/gpu/client/gpu_memory_buffer_impl_ozone_native_buffer.h
" | 22 #include "content/common/gpu/client/gpu_memory_buffer_impl_ozone_native_buffer.h
" |
22 #endif | 23 #endif |
23 | 24 |
24 namespace content { | 25 namespace content { |
25 | 26 |
26 GpuMemoryBufferImpl::GpuMemoryBufferImpl(gfx::GpuMemoryBufferId id, | 27 GpuMemoryBufferImpl::GpuMemoryBufferImpl(gfx::GpuMemoryBufferId id, |
27 const gfx::Size& size, | 28 const gfx::Size& size, |
28 Format format, | 29 Format format, |
29 const DestructionCallback& callback) | 30 const DestructionCallback& callback) |
30 : id_(id), | 31 : id_(id), |
31 size_(size), | 32 size_(size), |
32 format_(format), | 33 format_(format), |
33 callback_(callback), | 34 callback_(callback), |
34 mapped_(false), | 35 mapped_(false), |
35 destruction_sync_point_(0) { | 36 destruction_sync_point_(0) { |
| 37 DCHECK(gfx::GLImageMemory::ValidSize(size, format)); |
36 } | 38 } |
37 | 39 |
38 GpuMemoryBufferImpl::~GpuMemoryBufferImpl() { | 40 GpuMemoryBufferImpl::~GpuMemoryBufferImpl() { |
39 callback_.Run(destruction_sync_point_); | 41 callback_.Run(destruction_sync_point_); |
40 } | 42 } |
41 | 43 |
42 // static | 44 // static |
43 scoped_ptr<GpuMemoryBufferImpl> GpuMemoryBufferImpl::CreateFromHandle( | 45 scoped_ptr<GpuMemoryBufferImpl> GpuMemoryBufferImpl::CreateFromHandle( |
44 const gfx::GpuMemoryBufferHandle& handle, | 46 const gfx::GpuMemoryBufferHandle& handle, |
45 const gfx::Size& size, | 47 const gfx::Size& size, |
(...skipping 29 matching lines...) Expand all Loading... |
75 ClientBuffer buffer) { | 77 ClientBuffer buffer) { |
76 return reinterpret_cast<GpuMemoryBufferImpl*>(buffer); | 78 return reinterpret_cast<GpuMemoryBufferImpl*>(buffer); |
77 } | 79 } |
78 | 80 |
79 // static | 81 // static |
80 bool GpuMemoryBufferImpl::StrideInBytes(size_t width, | 82 bool GpuMemoryBufferImpl::StrideInBytes(size_t width, |
81 Format format, | 83 Format format, |
82 size_t* stride_in_bytes) { | 84 size_t* stride_in_bytes) { |
83 base::CheckedNumeric<size_t> s = width; | 85 base::CheckedNumeric<size_t> s = width; |
84 switch (format) { | 86 switch (format) { |
| 87 case ATCIA: |
| 88 case DXT5: |
| 89 *stride_in_bytes = width; |
| 90 return true; |
| 91 case ATC: |
| 92 case DXT1: |
| 93 case ETC1: |
| 94 DCHECK_EQ(width % 2, 0U); |
| 95 s /= 2; |
| 96 if (!s.IsValid()) |
| 97 return false; |
| 98 |
| 99 *stride_in_bytes = s.ValueOrDie(); |
| 100 return true; |
85 case RGBA_8888: | 101 case RGBA_8888: |
86 case RGBX_8888: | 102 case RGBX_8888: |
87 case BGRA_8888: | 103 case BGRA_8888: |
88 s *= 4; | 104 s *= 4; |
89 if (!s.IsValid()) | 105 if (!s.IsValid()) |
90 return false; | 106 return false; |
91 | 107 |
92 *stride_in_bytes = s.ValueOrDie(); | 108 *stride_in_bytes = s.ValueOrDie(); |
93 return true; | 109 return true; |
94 } | 110 } |
95 | 111 |
96 NOTREACHED(); | 112 NOTREACHED(); |
97 return false; | 113 return false; |
98 } | 114 } |
99 | 115 |
100 gfx::GpuMemoryBuffer::Format GpuMemoryBufferImpl::GetFormat() const { | 116 gfx::GpuMemoryBuffer::Format GpuMemoryBufferImpl::GetFormat() const { |
101 return format_; | 117 return format_; |
102 } | 118 } |
103 | 119 |
104 bool GpuMemoryBufferImpl::IsMapped() const { | 120 bool GpuMemoryBufferImpl::IsMapped() const { |
105 return mapped_; | 121 return mapped_; |
106 } | 122 } |
107 | 123 |
108 ClientBuffer GpuMemoryBufferImpl::AsClientBuffer() { | 124 ClientBuffer GpuMemoryBufferImpl::AsClientBuffer() { |
109 return reinterpret_cast<ClientBuffer>(this); | 125 return reinterpret_cast<ClientBuffer>(this); |
110 } | 126 } |
111 | 127 |
112 } // namespace content | 128 } // namespace content |
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