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// Copyright 2020 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.
#include "gpu/config/skia_limits.h"
#include <inttypes.h>
#include "base/system/sys_info.h"
#include "build/build_config.h"
namespace gpu {
void DetermineGrCacheLimitsFromAvailableMemory(
size_t* max_resource_cache_bytes,
size_t* max_glyph_cache_texture_bytes) {
// Default limits.
constexpr size_t kMaxGaneshResourceCacheBytes = 96 * 1024 * 1024;
constexpr size_t kMaxDefaultGlyphCacheTextureBytes = 2048 * 1024 * 4;
*max_resource_cache_bytes = kMaxGaneshResourceCacheBytes;
*max_glyph_cache_texture_bytes = kMaxDefaultGlyphCacheTextureBytes;
// We can't call AmountOfPhysicalMemory under NACL, so leave the default.
#if !defined(OS_NACL)
// The limit of the bytes allocated toward GPU resources in the GrContext's
// GPU cache.
constexpr size_t kMaxLowEndGaneshResourceCacheBytes = 48 * 1024 * 1024;
constexpr size_t kMaxHighEndGaneshResourceCacheBytes = 256 * 1024 * 1024;
// Limits for glyph cache textures.
constexpr size_t kMaxLowEndGlyphCacheTextureBytes = 1024 * 512 * 4;
// High-end / low-end memory cutoffs.
constexpr int64_t kHighEndMemoryThreshold = 4096LL * 1024 * 1024;
if (base::SysInfo::IsLowEndDevice()) {
*max_resource_cache_bytes = kMaxLowEndGaneshResourceCacheBytes;
*max_glyph_cache_texture_bytes = kMaxLowEndGlyphCacheTextureBytes;
} else if (base::SysInfo::AmountOfPhysicalMemory() >=
kHighEndMemoryThreshold) {
*max_resource_cache_bytes = kMaxHighEndGaneshResourceCacheBytes;
}
#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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