1 // Copyright (c) 2017 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/config/gpu_feature_info.h"
6 
7 #include <algorithm>
8 
9 #include "gpu/config/gpu_blocklist.h"
10 #include "gpu/config/gpu_driver_bug_list.h"
11 #include "gpu/config/gpu_driver_bug_workaround_type.h"
12 #include "ui/gl/gl_context.h"
13 
14 namespace gpu {
15 
GpuFeatureInfo()16 GpuFeatureInfo::GpuFeatureInfo() {
17   for (auto& status : status_values)
18     status = kGpuFeatureStatusUndefined;
19 }
20 
21 GpuFeatureInfo::GpuFeatureInfo(const GpuFeatureInfo&) = default;
22 
23 GpuFeatureInfo::GpuFeatureInfo(GpuFeatureInfo&&) = default;
24 
25 GpuFeatureInfo::~GpuFeatureInfo() = default;
26 
27 GpuFeatureInfo& GpuFeatureInfo::operator=(const GpuFeatureInfo&) = default;
28 
29 GpuFeatureInfo& GpuFeatureInfo::operator=(GpuFeatureInfo&&) = default;
30 
ApplyToGLContext(gl::GLContext * gl_context) const31 void GpuFeatureInfo::ApplyToGLContext(gl::GLContext* gl_context) const {
32   DCHECK(gl_context);
33   gl::GLWorkarounds gl_workarounds;
34   if (IsWorkaroundEnabled(gpu::CLEAR_TO_ZERO_OR_ONE_BROKEN)) {
35     gl_workarounds.clear_to_zero_or_one_broken = true;
36   }
37   if (IsWorkaroundEnabled(RESET_TEXIMAGE2D_BASE_LEVEL)) {
38     gl_workarounds.reset_teximage2d_base_level = true;
39   }
40   gl_context->SetGLWorkarounds(gl_workarounds);
41   gl_context->SetDisabledGLExtensions(this->disabled_extensions);
42 }
43 
IsWorkaroundEnabled(int32_t workaround) const44 bool GpuFeatureInfo::IsWorkaroundEnabled(int32_t workaround) const {
45   return std::find(this->enabled_gpu_driver_bug_workarounds.begin(),
46                    this->enabled_gpu_driver_bug_workarounds.end(),
47                    workaround) !=
48          this->enabled_gpu_driver_bug_workarounds.end();
49 }
50 
IsInitialized() const51 bool GpuFeatureInfo::IsInitialized() const {
52   // Check if any feature status is undefined.
53   return status_values[GPU_FEATURE_TYPE_ACCELERATED_GL] !=
54          kGpuFeatureStatusUndefined;
55 }
56 
57 }  // namespace gpu
58