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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "gpu/config/skia_limits.h"
#include <inttypes.h>
#include "base/system/sys_info.h"
#include "build/build_config.h"
#include "components/miracle_parameter/common/public/miracle_parameter.h"
namespace gpu {
namespace {
BASE_FEATURE(kGrCacheLimitsFeature,
"GrCacheLimitsFeature",
base::FEATURE_ENABLED_BY_DEFAULT);
MIRACLE_PARAMETER_FOR_INT(GetMaxGaneshResourceCacheBytes,
kGrCacheLimitsFeature,
"MaxGaneshResourceCacheBytes",
96 * 1024 * 1024)
MIRACLE_PARAMETER_FOR_INT(GetMaxDefaultGlyphCacheTextureBytes,
kGrCacheLimitsFeature,
"MaxDefaultGlyphCacheTextureBytes",
2048 * 1024 * 4)
#if !BUILDFLAG(IS_NACL)
// The limit of the bytes allocated toward GPU resources in the GrContext's
// GPU cache.
MIRACLE_PARAMETER_FOR_INT(GetMaxLowEndGaneshResourceCacheBytes,
kGrCacheLimitsFeature,
"MaxLowEndGaneshResourceCacheBytes",
48 * 1024 * 1024)
MIRACLE_PARAMETER_FOR_INT(GetMaxHighEndGaneshResourceCacheBytes,
kGrCacheLimitsFeature,
"MaxHighEndGaneshResourceCacheBytes",
256 * 1024 * 1024)
// Limits for glyph cache textures.
MIRACLE_PARAMETER_FOR_INT(GetMaxLowEndGlyphCacheTextureBytes,
kGrCacheLimitsFeature,
"MaxLowEndGlyphCacheTextureBytes",
1024 * 512 * 4)
// High-end / low-end memory cutoffs.
MIRACLE_PARAMETER_FOR_INT(GetHighEndMemoryThresholdMB,
kGrCacheLimitsFeature,
"HighEndMemoryThresholdMB",
4096)
#endif
// Limits for the Graphite client image provider which is responsible for
// uploading non-GPU backed images (e.g. raster, lazy/generated) to Graphite.
// The limits are smallish since only a small number of images take this path
// instead of being uploaded via the transfer cache.
MIRACLE_PARAMETER_FOR_INT(GetMaxGpuMainGraphiteImageProviderBytes,
kGrCacheLimitsFeature,
"MaxGpuMainGraphiteImageProviderBytes",
16 * 1024 * 1024)
// The limits for the Viz compositor's image provider are even smaller since
// the only time we encounter such images is via reference image filters on
// composited layers which is a pretty uncommon case.
MIRACLE_PARAMETER_FOR_INT(GetMaxVizCompositorGraphiteImageProviderBytes,
kGrCacheLimitsFeature,
"MaxVizCompositorGraphiteImageProviderBytes",
4 * 1024 * 1024)
} // namespace
void DetermineGraphiteImageProviderCacheLimits(
size_t* max_gpu_main_image_provider_cache_bytes,
size_t* max_viz_compositor_image_provider_cache_bytes) {
*max_gpu_main_image_provider_cache_bytes =
GetMaxGpuMainGraphiteImageProviderBytes();
*max_viz_compositor_image_provider_cache_bytes =
GetMaxVizCompositorGraphiteImageProviderBytes();
}
void DetermineGrCacheLimitsFromAvailableMemory(
size_t* max_resource_cache_bytes,
size_t* max_glyph_cache_texture_bytes) {
// Default limits.
*max_resource_cache_bytes = GetMaxGaneshResourceCacheBytes();
*max_glyph_cache_texture_bytes = GetMaxDefaultGlyphCacheTextureBytes();
// We can't call AmountOfPhysicalMemory under NACL, so leave the default.
#if !BUILDFLAG(IS_NACL)
if (base::SysInfo::IsLowEndDevice()) {
*max_resource_cache_bytes = GetMaxLowEndGaneshResourceCacheBytes();
*max_glyph_cache_texture_bytes = GetMaxLowEndGlyphCacheTextureBytes();
} else if (base::SysInfo::AmountOfPhysicalMemoryMB() >=
GetHighEndMemoryThresholdMB()) {
*max_resource_cache_bytes = GetMaxHighEndGaneshResourceCacheBytes();
}
#endif
}
void DefaultGrCacheLimitsForTests(size_t* max_resource_cache_bytes,
size_t* max_glyph_cache_texture_bytes) {
constexpr size_t kDefaultGlyphCacheTextureBytes = 2048 * 1024 * 4;
constexpr size_t kDefaultGaneshResourceCacheBytes = 96 * 1024 * 1024;
*max_resource_cache_bytes = kDefaultGaneshResourceCacheBytes;
*max_glyph_cache_texture_bytes = kDefaultGlyphCacheTextureBytes;
}
} // namespace gpu
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