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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "gpu/ipc/host/gpu_memory_buffer_support.h" | |
| 6 | |
| 7 #include "base/command_line.h" | |
| 8 #include "base/logging.h" | |
| 9 #include "build/build_config.h" | |
| 10 #include "gpu/ipc/common/gpu_memory_buffer_support.h" | |
| 11 #include "gpu/ipc/host/gpu_switches.h" | |
| 12 #include "ui/gl/gl_bindings.h" | |
| 13 #include "ui/gl/gl_implementation.h" | |
| 14 #include "ui/gl/gl_switches.h" | |
| 15 | |
| 16 namespace gpu { | |
| 17 | |
| 18 bool AreNativeGpuMemoryBuffersEnabled() { | |
| 19 // Disable native buffers when using software GL. | |
| 20 if (base::CommandLine::ForCurrentProcess()->GetSwitchValueASCII( | |
| 21 switches::kUseGL) == | |
| 22 gl::GetGLImplementationName(gl::GetSoftwareGLImplementation())) { | |
| 23 return false; | |
| 24 } | |
| 25 | |
| 26 #if defined(OS_MACOSX) | |
| 27 return !base::CommandLine::ForCurrentProcess()->HasSwitch( | |
| 28 switches::kDisableNativeGpuMemoryBuffers); | |
| 29 #else | |
| 30 return base::CommandLine::ForCurrentProcess()->HasSwitch( | |
| 31 switches::kEnableNativeGpuMemoryBuffers); | |
| 32 #endif | |
| 33 } | |
| 34 | |
| 35 GpuMemoryBufferConfigurationSet GetNativeGpuMemoryBufferConfigurations() { | |
| 36 GpuMemoryBufferConfigurationSet configurations; | |
| 37 | |
| 38 #if defined(USE_OZONE) || defined(OS_MACOSX) | |
| 39 if (AreNativeGpuMemoryBuffersEnabled()) { | |
| 40 const gfx::BufferFormat kNativeFormats[] = { | |
| 41 gfx::BufferFormat::R_8, | |
| 42 gfx::BufferFormat::RG_88, | |
| 43 gfx::BufferFormat::BGR_565, | |
| 44 gfx::BufferFormat::RGBA_4444, | |
| 45 gfx::BufferFormat::RGBA_8888, | |
| 46 gfx::BufferFormat::BGRA_8888, | |
| 47 gfx::BufferFormat::UYVY_422, | |
| 48 gfx::BufferFormat::YVU_420, | |
| 49 gfx::BufferFormat::YUV_420_BIPLANAR}; | |
| 50 const gfx::BufferUsage kNativeUsages[] = { | |
| 51 gfx::BufferUsage::GPU_READ, gfx::BufferUsage::SCANOUT, | |
| 52 gfx::BufferUsage::GPU_READ_CPU_READ_WRITE, | |
| 53 gfx::BufferUsage::GPU_READ_CPU_READ_WRITE_PERSISTENT}; | |
| 54 for (auto format : kNativeFormats) { | |
| 55 for (auto usage : kNativeUsages) { | |
| 56 if (IsNativeGpuMemoryBufferConfigurationSupported(format, usage)) | |
| 57 configurations.insert(std::make_pair(format, usage)); | |
| 58 } | |
| 59 } | |
| 60 } | |
| 61 | |
| 62 // Disable native buffers only when using software GL. | |
| 63 bool force_native_gpu_read_write_formats = | |
| 64 base::CommandLine::ForCurrentProcess()->GetSwitchValueASCII( | |
| 65 switches::kUseGL) != | |
| 66 gl::GetGLImplementationName(gl::GetSoftwareGLImplementation()); | |
| 67 if (force_native_gpu_read_write_formats) { | |
| 68 const gfx::BufferFormat kGPUReadWriteFormats[] = { | |
| 69 gfx::BufferFormat::BGR_565, gfx::BufferFormat::RGBA_8888, | |
| 70 gfx::BufferFormat::RGBX_8888, gfx::BufferFormat::BGRA_8888, | |
| 71 gfx::BufferFormat::BGRX_8888, gfx::BufferFormat::UYVY_422, | |
| 72 gfx::BufferFormat::YVU_420, gfx::BufferFormat::YUV_420_BIPLANAR}; | |
| 73 const gfx::BufferUsage kGPUReadWriteUsages[] = { | |
| 74 gfx::BufferUsage::GPU_READ, gfx::BufferUsage::SCANOUT, | |
| 75 gfx::BufferUsage::SCANOUT_CPU_READ_WRITE}; | |
| 76 for (auto format : kGPUReadWriteFormats) { | |
| 77 for (auto usage : kGPUReadWriteUsages) { | |
| 78 if (IsNativeGpuMemoryBufferConfigurationSupported(format, usage)) | |
| 79 configurations.insert(std::make_pair(format, usage)); | |
| 80 } | |
| 81 } | |
| 82 } | |
| 83 #endif // defined(USE_OZONE) || defined(OS_MACOSX) | |
| 84 | |
| 85 return configurations; | |
| 86 } | |
| 87 | |
| 88 uint32_t GetImageTextureTarget(gfx::BufferFormat format, | |
| 89 gfx::BufferUsage usage) { | |
| 90 #if defined(USE_OZONE) || defined(OS_MACOSX) | |
| 91 GpuMemoryBufferConfigurationSet native_configurations = | |
| 92 GetNativeGpuMemoryBufferConfigurations(); | |
| 93 if (native_configurations.find(std::make_pair(format, usage)) == | |
| 94 native_configurations.end()) { | |
| 95 return GL_TEXTURE_2D; | |
| 96 } | |
| 97 | |
| 98 switch (GetNativeGpuMemoryBufferType()) { | |
| 99 case gfx::NATIVE_PIXMAP: | |
| 100 // GPU memory buffers that are shared with the GL using EGLImages | |
| 101 // require TEXTURE_EXTERNAL_OES. | |
| 102 return GL_TEXTURE_EXTERNAL_OES; | |
| 103 case gfx::IO_SURFACE_BUFFER: | |
| 104 // IOSurface backed images require GL_TEXTURE_RECTANGLE_ARB. | |
| 105 return GL_TEXTURE_RECTANGLE_ARB; | |
| 106 case gfx::SHARED_MEMORY_BUFFER: | |
| 107 case gfx::EMPTY_BUFFER: | |
| 108 break; | |
| 109 } | |
| 110 NOTREACHED(); | |
| 111 return GL_TEXTURE_2D; | |
| 112 #else // defined(USE_OZONE) || defined(OS_MACOSX) | |
| 113 return GL_TEXTURE_2D; | |
| 114 #endif | |
| 115 } | |
| 116 | |
| 117 } // namespace gpu | |
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Chromium Code Reviews
Issue 2684993005:
(NotForReview) Enable YUV video overlay on Skylake ChromeOS.
