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Issue 1050043003: GPU workaround to simulate Out of Memory errors with large textures (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Changed logic to OOM on texture width * height >= 4096 * 4096 Created 5 years, 8 months ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "gpu/command_buffer/service/gles2_cmd_decoder.h" 5 #include "gpu/command_buffer/service/gles2_cmd_decoder.h"
6 6
7 #include <stdio.h> 7 #include <stdio.h>
8 8
9 #include <algorithm> 9 #include <algorithm>
10 #include <list> 10 #include <list>
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9065 } 9065 }
9066 const void* pixels = NULL; 9066 const void* pixels = NULL;
9067 if (pixels_shm_id != 0 || pixels_shm_offset != 0) { 9067 if (pixels_shm_id != 0 || pixels_shm_offset != 0) {
9068 pixels = GetSharedMemoryAs<const void*>( 9068 pixels = GetSharedMemoryAs<const void*>(
9069 pixels_shm_id, pixels_shm_offset, pixels_size); 9069 pixels_shm_id, pixels_shm_offset, pixels_size);
9070 if (!pixels) { 9070 if (!pixels) {
9071 return error::kOutOfBounds; 9071 return error::kOutOfBounds;
9072 } 9072 }
9073 } 9073 }
9074 9074
9075 // For testing only. Allows us to stress the ability to respond to OOM errors.
9076 if (workarounds().simulate_out_of_memory_on_large_textures &&
9077 (width * height >= 4096 * 4096)) {
9078 LOCAL_SET_GL_ERROR(
9079 GL_OUT_OF_MEMORY,
9080 "glTexImage2D", "synthetic out of memory");
9081 return error::kNoError;
9082 }
9083
9075 TextureManager::DoTextImage2DArguments args = { 9084 TextureManager::DoTextImage2DArguments args = {
9076 target, level, internal_format, width, height, border, format, type, 9085 target, level, internal_format, width, height, border, format, type,
9077 pixels, pixels_size}; 9086 pixels, pixels_size};
9078 texture_manager()->ValidateAndDoTexImage2D( 9087 texture_manager()->ValidateAndDoTexImage2D(
9079 &texture_state_, &state_, &framebuffer_state_, args); 9088 &texture_state_, &state_, &framebuffer_state_, args);
9080 9089
9081 // This may be a slow command. Exit command processing to allow for 9090 // This may be a slow command. Exit command processing to allow for
9082 // context preemption and GPU watchdog checks. 9091 // context preemption and GPU watchdog checks.
9083 ExitCommandProcessingEarly(); 9092 ExitCommandProcessingEarly();
9084 return error::kNoError; 9093 return error::kNoError;
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12559 } 12568 }
12560 } 12569 }
12561 12570
12562 // Include the auto-generated part of this file. We split this because it means 12571 // Include the auto-generated part of this file. We split this because it means
12563 // we can easily edit the non-auto generated parts right here in this file 12572 // we can easily edit the non-auto generated parts right here in this file
12564 // instead of having to edit some template or the code generator. 12573 // instead of having to edit some template or the code generator.
12565 #include "gpu/command_buffer/service/gles2_cmd_decoder_autogen.h" 12574 #include "gpu/command_buffer/service/gles2_cmd_decoder_autogen.h"
12566 12575
12567 } // namespace gles2 12576 } // namespace gles2
12568 } // namespace gpu 12577 } // namespace gpu
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