OLD | NEW |
---|---|
1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 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 "gpu/ipc/common/gpu_memory_buffer_support.h" | 5 #include "gpu/ipc/common/gpu_memory_buffer_support.h" |
6 | 6 |
7 #include "base/command_line.h" | |
7 #include "base/logging.h" | 8 #include "base/logging.h" |
8 #include "build/build_config.h" | 9 #include "build/build_config.h" |
10 #include "gpu/ipc/common/gpu_switches.h" | |
11 #include "ui/gl/gl_bindings.h" | |
12 #include "ui/gl/gl_switches.h" | |
9 | 13 |
10 #if defined(USE_OZONE) | 14 #if defined(USE_OZONE) |
11 #include "ui/ozone/public/client_native_pixmap_factory.h" | 15 #include "ui/ozone/public/client_native_pixmap_factory.h" |
12 #endif | 16 #endif |
13 | 17 |
14 namespace gpu { | 18 namespace gpu { |
15 | 19 |
20 bool AreNativeGpuMemoryBuffersEnabled() { | |
21 // Disable native buffers when using Mesa. | |
22 if (base::CommandLine::ForCurrentProcess()->GetSwitchValueASCII( | |
23 switches::kUseGL) == gl::kGLImplementationOSMesaName) { | |
24 return false; | |
25 } | |
26 | |
27 #if defined(OS_MACOSX) | |
28 return !base::CommandLine::ForCurrentProcess()->HasSwitch( | |
29 switches::kDisableNativeGpuMemoryBuffers); | |
30 #else | |
31 return base::CommandLine::ForCurrentProcess()->HasSwitch( | |
32 switches::kEnableNativeGpuMemoryBuffers); | |
33 #endif | |
34 } | |
35 | |
16 gfx::GpuMemoryBufferType GetNativeGpuMemoryBufferType() { | 36 gfx::GpuMemoryBufferType GetNativeGpuMemoryBufferType() { |
17 #if defined(OS_MACOSX) | 37 #if defined(OS_MACOSX) |
18 return gfx::IO_SURFACE_BUFFER; | 38 return gfx::IO_SURFACE_BUFFER; |
19 #endif | 39 #endif |
20 #if defined(USE_OZONE) | 40 #if defined(USE_OZONE) |
21 return gfx::OZONE_NATIVE_PIXMAP; | 41 return gfx::OZONE_NATIVE_PIXMAP; |
22 #endif | 42 #endif |
23 return gfx::EMPTY_BUFFER; | 43 return gfx::EMPTY_BUFFER; |
24 } | 44 } |
25 | 45 |
26 bool IsNativeGpuMemoryBufferConfigurationSupported(gfx::BufferFormat format, | 46 bool IsNativeGpuMemoryBufferConfigurationSupported(gfx::BufferFormat format, |
27 gfx::BufferUsage usage) { | 47 gfx::BufferUsage usage) { |
48 bool never_cpu_read = | |
49 usage == gfx::BufferUsage::SCANOUT || usage == gfx::BufferUsage::GPU_READ; | |
50 if (!(AreNativeGpuMemoryBuffersEnabled() || never_cpu_read)) | |
dshwang
2017/03/07 21:50:03
reveman@, besides video GMB support, I think this
| |
51 return false; | |
52 | |
28 DCHECK_NE(gfx::SHARED_MEMORY_BUFFER, GetNativeGpuMemoryBufferType()); | 53 DCHECK_NE(gfx::SHARED_MEMORY_BUFFER, GetNativeGpuMemoryBufferType()); |
29 DCHECK_NE(gfx::EMPTY_BUFFER, GetNativeGpuMemoryBufferType()); | 54 DCHECK_NE(gfx::EMPTY_BUFFER, GetNativeGpuMemoryBufferType()); |
30 #if defined(OS_MACOSX) | 55 #if defined(OS_MACOSX) |
31 switch (usage) { | 56 switch (usage) { |
32 case gfx::BufferUsage::GPU_READ: | 57 case gfx::BufferUsage::GPU_READ: |
33 case gfx::BufferUsage::SCANOUT: | 58 case gfx::BufferUsage::SCANOUT: |
34 return format == gfx::BufferFormat::BGRA_8888 || | 59 return format == gfx::BufferFormat::BGRA_8888 || |
35 format == gfx::BufferFormat::RGBA_8888 || | 60 format == gfx::BufferFormat::RGBA_8888 || |
36 format == gfx::BufferFormat::BGRX_8888; | 61 format == gfx::BufferFormat::BGRX_8888; |
37 case gfx::BufferUsage::GPU_READ_CPU_READ_WRITE: | 62 case gfx::BufferUsage::GPU_READ_CPU_READ_WRITE: |
(...skipping 13 matching lines...) Expand all Loading... | |
51 return false; | 76 return false; |
52 } | 77 } |
53 return ui::ClientNativePixmapFactory::GetInstance()->IsConfigurationSupported( | 78 return ui::ClientNativePixmapFactory::GetInstance()->IsConfigurationSupported( |
54 format, usage); | 79 format, usage); |
55 #endif | 80 #endif |
56 | 81 |
57 NOTREACHED(); | 82 NOTREACHED(); |
58 return false; | 83 return false; |
59 } | 84 } |
60 | 85 |
86 GpuMemoryBufferConfigurationSet GetNativeGpuMemoryBufferConfigurations() { | |
87 GpuMemoryBufferConfigurationSet configurations; | |
88 | |
89 #if defined(USE_OZONE) || defined(OS_MACOSX) | |
90 if (AreNativeGpuMemoryBuffersEnabled()) { | |
91 const gfx::BufferFormat kNativeFormats[] = { | |
92 gfx::BufferFormat::R_8, | |
93 gfx::BufferFormat::RG_88, | |
94 gfx::BufferFormat::BGR_565, | |
95 gfx::BufferFormat::RGBA_4444, | |
96 gfx::BufferFormat::RGBA_8888, | |
97 gfx::BufferFormat::BGRA_8888, | |
98 gfx::BufferFormat::UYVY_422, | |
99 gfx::BufferFormat::YVU_420, | |
100 gfx::BufferFormat::YUV_420_BIPLANAR}; | |
101 const gfx::BufferUsage kNativeUsages[] = { | |
102 gfx::BufferUsage::GPU_READ, gfx::BufferUsage::SCANOUT, | |
103 gfx::BufferUsage::GPU_READ_CPU_READ_WRITE, | |
104 gfx::BufferUsage::GPU_READ_CPU_READ_WRITE_PERSISTENT}; | |
105 for (auto format : kNativeFormats) { | |
106 for (auto usage : kNativeUsages) { | |
107 if (IsNativeGpuMemoryBufferConfigurationSupported(format, usage)) | |
108 configurations.insert(std::make_pair(format, usage)); | |
109 } | |
110 } | |
111 } | |
112 | |
113 // Disable native buffers only when using Mesa. | |
114 bool force_native_gpu_read_write_formats = | |
115 base::CommandLine::ForCurrentProcess()->GetSwitchValueASCII( | |
116 switches::kUseGL) != gl::kGLImplementationOSMesaName; | |
117 if (force_native_gpu_read_write_formats) { | |
118 const gfx::BufferFormat kGPUReadWriteFormats[] = { | |
119 gfx::BufferFormat::BGR_565, gfx::BufferFormat::RGBA_8888, | |
120 gfx::BufferFormat::RGBX_8888, gfx::BufferFormat::BGRA_8888, | |
121 gfx::BufferFormat::BGRX_8888, gfx::BufferFormat::UYVY_422, | |
122 gfx::BufferFormat::YVU_420, gfx::BufferFormat::YUV_420_BIPLANAR}; | |
123 const gfx::BufferUsage kGPUReadWriteUsages[] = {gfx::BufferUsage::GPU_READ, | |
124 gfx::BufferUsage::SCANOUT}; | |
125 for (auto format : kGPUReadWriteFormats) { | |
126 for (auto usage : kGPUReadWriteUsages) { | |
127 if (IsNativeGpuMemoryBufferConfigurationSupported(format, usage)) | |
128 configurations.insert(std::make_pair(format, usage)); | |
129 } | |
130 } | |
131 } | |
132 #endif // defined(USE_OZONE) || defined(OS_MACOSX) | |
133 | |
134 return configurations; | |
135 } | |
136 | |
137 uint32_t GetImageTextureTarget(gfx::BufferFormat format, | |
138 gfx::BufferUsage usage) { | |
139 #if defined(USE_OZONE) || defined(OS_MACOSX) | |
140 GpuMemoryBufferConfigurationSet native_configurations = | |
141 GetNativeGpuMemoryBufferConfigurations(); | |
142 if (native_configurations.find(std::make_pair(format, usage)) == | |
143 native_configurations.end()) { | |
144 return GL_TEXTURE_2D; | |
145 } | |
146 | |
147 switch (GetNativeGpuMemoryBufferType()) { | |
148 case gfx::OZONE_NATIVE_PIXMAP: | |
149 // GPU memory buffers that are shared with the GL using EGLImages | |
150 // require TEXTURE_EXTERNAL_OES. | |
151 return GL_TEXTURE_EXTERNAL_OES; | |
152 case gfx::IO_SURFACE_BUFFER: | |
153 // IOSurface backed images require GL_TEXTURE_RECTANGLE_ARB. | |
154 return GL_TEXTURE_RECTANGLE_ARB; | |
155 case gfx::SHARED_MEMORY_BUFFER: | |
156 case gfx::EMPTY_BUFFER: | |
157 break; | |
158 } | |
159 NOTREACHED(); | |
160 return GL_TEXTURE_2D; | |
161 #else // defined(USE_OZONE) || defined(OS_MACOSX) | |
162 return GL_TEXTURE_2D; | |
163 #endif | |
164 } | |
165 | |
61 } // namespace gpu | 166 } // namespace gpu |
OLD | NEW |