| // 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. |
| #include "cc/output/buffer_to_texture_target_map.h" |
| |
| #include <vector> |
| |
| #include "base/strings/string_number_conversions.h" |
| #include "base/strings/string_split.h" |
| #include "gpu/GLES2/gl2extchromium.h" |
| |
| namespace cc { |
| |
| BufferToTextureTargetMap StringToBufferToTextureTargetMap( |
| const std::string& str) { |
| BufferToTextureTargetMap map; |
| std::vector<std::string> entries = |
| base::SplitString(str, ";", base::TRIM_WHITESPACE, base::SPLIT_WANT_ALL); |
| for (const auto& entry : entries) { |
| std::vector<std::string> fields = base::SplitString( |
| entry, ",", base::TRIM_WHITESPACE, base::SPLIT_WANT_ALL); |
| CHECK_EQ(fields.size(), 3u); |
| uint32_t usage = 0; |
| uint32_t format = 0; |
| uint32_t target = 0; |
| bool succeeded = base::StringToUint(fields[0], &usage) && |
| base::StringToUint(fields[1], &format) && |
| base::StringToUint(fields[2], &target); |
| CHECK(succeeded); |
| CHECK_LE(usage, static_cast<uint32_t>(gfx::BufferUsage::LAST)); |
| CHECK_LE(format, static_cast<uint32_t>(gfx::BufferFormat::LAST)); |
| map.insert(BufferToTextureTargetMap::value_type( |
| BufferToTextureTargetKey(static_cast<gfx::BufferUsage>(usage), |
| static_cast<gfx::BufferFormat>(format)), |
| target)); |
| } |
| return map; |
| } |
| |
| std::string BufferToTextureTargetMapToString( |
| const BufferToTextureTargetMap& map) { |
| std::string str; |
| for (const auto& entry : map) { |
| if (!str.empty()) |
| str += ";"; |
| str += base::UintToString(static_cast<uint32_t>(entry.first.first)); |
| str += ","; |
| str += base::UintToString(static_cast<uint32_t>(entry.first.second)); |
| str += ","; |
| str += base::UintToString(entry.second); |
| } |
| return str; |
| } |
| |
| BufferToTextureTargetMap DefaultBufferToTextureTargetMapForTesting() { |
| BufferToTextureTargetMap image_targets; |
| for (int usage_idx = 0; usage_idx <= static_cast<int>(gfx::BufferUsage::LAST); |
| ++usage_idx) { |
| gfx::BufferUsage usage = static_cast<gfx::BufferUsage>(usage_idx); |
| for (int format_idx = 0; |
| format_idx <= static_cast<int>(gfx::BufferFormat::LAST); |
| ++format_idx) { |
| gfx::BufferFormat format = static_cast<gfx::BufferFormat>(format_idx); |
| image_targets.insert(BufferToTextureTargetMap::value_type( |
| BufferToTextureTargetKey(usage, format), GL_TEXTURE_2D)); |
| } |
| } |
| |
| return image_targets; |
| } |
| |
| } // namespace cc |