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// Copyright 2016 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 GPU_COMMAND_BUFFER_SERVICE_GPU_PREFERENCES_H_
#define GPU_COMMAND_BUFFER_SERVICE_GPU_PREFERENCES_H_
#include <stddef.h>
#include "base/macros.h"
#include "build/build_config.h"
#include "gpu/command_buffer/common/constants.h"
#include "gpu/gpu_export.h"
#include "media/media_features.h"
namespace gpu {
struct GPU_EXPORT GpuPreferences {
public:
GpuPreferences();
GpuPreferences(const GpuPreferences& other);
~GpuPreferences();
// Support for accelerated vpx decoding for various vendors,
// intended to be used as a bitfield.
// VPX_VENDOR_ALL should be updated whenever a new entry is added.
enum VpxDecodeVendors {
VPX_VENDOR_NONE = 0x00,
VPX_VENDOR_MICROSOFT = 0x01,
VPX_VENDOR_AMD = 0x02,
VPX_VENDOR_ALL = 0x03,
};
// ===================================
// Settings from //content/public/common/content_switches.h
// Runs the renderer and plugins in the same process as the browser.
bool single_process = false;
// Run the GPU process as a thread in the browser process.
bool in_process_gpu = false;
// Prioritizes the UI's command stream in the GPU process.
bool ui_prioritize_in_gpu_process = false;
// Enable the GPU process scheduler.
bool enable_gpu_scheduler = false;
// Disables hardware acceleration of video decode, where available.
bool disable_accelerated_video_decode = false;
#if defined(OS_CHROMEOS)
// Disables VA-API accelerated video encode.
bool disable_vaapi_accelerated_video_encode = false;
#endif
#if BUILDFLAG(ENABLE_WEBRTC)
// Disables HW encode acceleration for WebRTC.
bool disable_web_rtc_hw_encoding = false;
#endif
#if defined(OS_WIN)
// Enables experimental hardware acceleration for VP8/VP9 video decoding.
// Bitmask - 0x1=Microsoft, 0x2=AMD, 0x03=Try all.
VpxDecodeVendors enable_accelerated_vpx_decode = VPX_VENDOR_MICROSOFT;
// Enables using CODECAPI_AVLowLatencyMode.
bool enable_low_latency_dxva = true;
// Enables support for avoiding copying DXGI NV12 textures.
bool enable_zero_copy_dxgi_video = false;
// Enables support for outputting NV12 video frames.
bool enable_nv12_dxgi_video = false;
#endif
// ===================================
// Settings from //gpu/command_buffer/service/gpu_switches.cc
// Always return success when compiling a shader. Linking will still fail.
bool compile_shader_always_succeeds = false;
// Disable the GL error log limit.
bool disable_gl_error_limit = false;
// Disable the GLSL translator.
bool disable_glsl_translator = false;
// Disable workarounds for various GPU driver bugs.
bool disable_gpu_driver_bug_workarounds = false;
// Turn off user-defined name hashing in shaders.
bool disable_shader_name_hashing = false;
// Turn on Logging GPU commands.
bool enable_gpu_command_logging = false;
// Turn on Calling GL Error after every command.
bool enable_gpu_debugging = false;
// Enable GPU service logging.
bool enable_gpu_service_logging_gpu = false;
// Enable logging of GPU driver debug messages.
bool enable_gpu_driver_debug_logging = false;
// Turn off gpu program caching
bool disable_gpu_program_cache = false;
// Enforce GL minimums.
bool enforce_gl_minimums = false;
// Sets the total amount of memory that may be allocated for GPU resources
uint32_t force_gpu_mem_available = 0;
// Sets the maximum size of the in-memory gpu program cache, in kb
uint32_t gpu_program_cache_size = kDefaultMaxProgramCacheMemoryBytes;
// Disables the GPU shader on disk cache.
bool disable_gpu_shader_disk_cache = false;
// Simulates shared textures when share groups are not available.
// Not available everywhere.
bool enable_threaded_texture_mailboxes = false;
// Include ANGLE's intermediate representation (AST) output in shader
// compilation info logs.
bool gl_shader_interm_output = false;
// Emulate ESSL lowp and mediump float precisions by mutating the shaders to
// round intermediate values in ANGLE.
bool emulate_shader_precision = false;
// ===================================
// Settings from //ui/gl/gl_switches.h
// Turns on GPU logging (debug build only).
bool enable_gpu_service_logging = false;
// Turns on calling TRACE for every GL call.
bool enable_gpu_service_tracing = false;
// Use the Pass-through command decoder, skipping all validation and state
// tracking.
bool use_passthrough_cmd_decoder = false;
};
} // namespace gpu
#endif // GPU_COMMAND_BUFFER_SERVICE_GPU_PREFERENCES_H_
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