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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_switches.h" | |
| 14 | |
| 15 namespace gpu { | |
| 16 | |
| 17 bool AreNativeGpuMemoryBuffersEnabled() { | |
| 18 // Disable native buffers when using Mesa. | |
| 19 if (base::CommandLine::ForCurrentProcess()->GetSwitchValueASCII( | |
| 20 switches::kUseGL) == gl::kGLImplementationOSMesaName) { | |
| 21 return false; | |
| 22 } | |
| 23 | |
| 24 #if defined(OS_MACOSX) | |
| 25 return !base::CommandLine::ForCurrentProcess()->HasSwitch( | |
| 26 switches::kDisableNativeGpuMemoryBuffers); | |
| 27 #else | |
| 28 return base::CommandLine::ForCurrentProcess()->HasSwitch( | |
| 29 switches::kEnableNativeGpuMemoryBuffers); | |
| 30 #endif | |
| 31 } | |
| 32 | |
| 33 GpuMemoryBufferConfigurationSet GetNativeGpuMemoryBufferConfigurations() { | |
| 34 GpuMemoryBufferConfigurationSet configurations; | |
| 35 | |
| 36 #if defined(USE_OZONE) || defined(OS_MACOSX) | |
| 37 if (AreNativeGpuMemoryBuffersEnabled()) { | |
| 38 const gfx::BufferFormat kNativeFormats[] = { | |
| 39 gfx::BufferFormat::R_8, | |
| 40 gfx::BufferFormat::RG_88, | |
| 41 gfx::BufferFormat::BGR_565, | |
| 42 gfx::BufferFormat::RGBA_4444, | |
| 43 gfx::BufferFormat::RGBA_8888, | |
| 44 gfx::BufferFormat::BGRA_8888, | |
| 45 gfx::BufferFormat::UYVY_422, | |
| 46 gfx::BufferFormat::YVU_420, | |
| 47 gfx::BufferFormat::YUV_420_BIPLANAR}; | |
| 48 const gfx::BufferUsage kNativeUsages[] = { | |
| 49 gfx::BufferUsage::GPU_READ, gfx::BufferUsage::SCANOUT, | |
| 50 gfx::BufferUsage::GPU_READ_CPU_READ_WRITE, | |
| 51 gfx::BufferUsage::GPU_READ_CPU_READ_WRITE_PERSISTENT}; | |
| 52 for (auto format : kNativeFormats) { | |
| 53 for (auto usage : kNativeUsages) { | |
| 54 if (IsNativeGpuMemoryBufferConfigurationSupported(format, usage)) | |
| 55 configurations.insert(std::make_pair(format, usage)); | |
| 56 } | |
| 57 } | |
| 58 } | |
| 59 | |
| 60 // Disable native buffers only when using Mesa. | |
| 61 bool force_native_gpu_read_write_formats = | |
| 62 base::CommandLine::ForCurrentProcess()->GetSwitchValueASCII( | |
| 63 switches::kUseGL) != gl::kGLImplementationOSMesaName; | |
| 64 if (force_native_gpu_read_write_formats) { | |
| 65 const gfx::BufferFormat kGPUReadWriteFormats[] = { | |
| 66 gfx::BufferFormat::BGR_565, gfx::BufferFormat::RGBA_8888, | |
| 67 gfx::BufferFormat::RGBX_8888, gfx::BufferFormat::BGRA_8888, | |
| 68 gfx::BufferFormat::BGRX_8888, gfx::BufferFormat::UYVY_422, | |
| 69 gfx::BufferFormat::YVU_420, gfx::BufferFormat::YUV_420_BIPLANAR}; | |
| 70 const gfx::BufferUsage kGPUReadWriteUsages[] = {gfx::BufferUsage::GPU_READ, | |
| 71 gfx::BufferUsage::SCANOUT}; | |
| 72 for (auto format : kGPUReadWriteFormats) { | |
| 73 for (auto usage : kGPUReadWriteUsages) { | |
| 74 if (IsNativeGpuMemoryBufferConfigurationSupported(format, usage)) | |
| 75 configurations.insert(std::make_pair(format, usage)); | |
| 76 } | |
| 77 } | |
| 78 } | |
| 79 #endif // defined(USE_OZONE) || defined(OS_MACOSX) | |
| 80 | |
| 81 return configurations; | |
| 82 } | |
| 83 | |
| 84 uint32_t GetImageTextureTarget(gfx::BufferFormat format, | |
| 85 gfx::BufferUsage usage) { | |
| 86 #if defined(USE_OZONE) || defined(OS_MACOSX) | |
| 87 GpuMemoryBufferConfigurationSet native_configurations = | |
| 88 GetNativeGpuMemoryBufferConfigurations(); | |
| 89 if (native_configurations.find(std::make_pair(format, usage)) == | |
| 90 native_configurations.end()) { | |
| 91 return GL_TEXTURE_2D; | |
| 92 } | |
| 93 | |
| 94 switch (GetNativeGpuMemoryBufferType()) { | |
| 95 case gfx::OZONE_NATIVE_PIXMAP: | |
| 96 // GPU memory buffers that are shared with the GL using EGLImages | |
| 97 // require TEXTURE_EXTERNAL_OES. | |
| 98 return GL_TEXTURE_EXTERNAL_OES; | |
| 99 case gfx::IO_SURFACE_BUFFER: | |
| 100 // IOSurface backed images require GL_TEXTURE_RECTANGLE_ARB. | |
| 101 return GL_TEXTURE_RECTANGLE_ARB; | |
| 102 case gfx::SHARED_MEMORY_BUFFER: | |
| 103 case gfx::EMPTY_BUFFER: | |
| 104 break; | |
| 105 } | |
| 106 NOTREACHED(); | |
| 107 return GL_TEXTURE_2D; | |
| 108 #else // defined(USE_OZONE) || defined(OS_MACOSX) | |
| 109 return GL_TEXTURE_2D; | |
| 110 #endif | |
| 111 } | |
| 112 | |
| 113 } // namespace gpu | |
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Chromium Code Reviews
Issue 2649553003:
gpu: merge gpu/ipc/host/gpu_memory_buffer_support.cc to gpu/ipc/common/
