Hash :
e354ff1a
Author :
Date :
2021-03-05T04:07:21
Vulkan: Allow DynamicBuffer suballocation in BufferVk When allocations are made from DynamicBuffer, they suballocate from a possibly larger BufferHelper. In BufferVk, the offset of the suballocation was discarded, which limited the use of DynamicBuffer to a pool of small buffers. This change applies any such offset that may arise from suballocations everywhere, and makes BufferVk use a larger buffer size when the GL_DYNAMIC_* buffer usage hints are provided. Bug: angleproject:5719 Change-Id: I3df3317f7acff1b1b06a5e3e2bb707616a7d0512 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2738650 Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Tim Van Patten <timvp@google.com> Reviewed-by: Jamie Madill <jmadill@chromium.org>
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// GENERATED FILE - DO NOT EDIT.
// Generated by gen_vk_internal_shaders.py.
//
// Copyright 2018 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// shaders/gen/ConvertIndex.comp.00000001.inc:
// Pre-generated shader for the ANGLE Vulkan back-end.
#pragma once
constexpr uint8_t kConvertIndex_comp_00000001[] = {
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0x07,0x00,0x00
};
// Generated from:
//
// #version 450 core
//
// layout(local_size_x = 64, local_size_y = 1, local_size_z = 1)in;
//
// layout(set = 0, binding = 0)buffer dst
// {
//
// uint dstIndexBuf[];
// };
//
// layout(set = 0, binding = 1)readonly buffer src
// {
//
// uint srcIndexBuf[];
// };
//
// layout(push_constant)uniform PushConstants
// {
//
// uint srcIndexOffset;
//
// uint dstIndexBufOffsetDiv4;
//
// uint maxIndex;
//
// uint _padding;
// };
//
// uint PullIndex(uint index)
// {
// uint srcIndex = index + srcIndexOffset;
// uint srcBlock = srcIndexBuf[srcIndex >> 2];
// uint srcComponent =(srcIndex & 3);
//
// uint value =(srcBlock >>(srcComponent << 3))& 0xFF;
//
// if(value == 0xFF)
// value = 0xFFFF;
//
// return value;
// }
//
// void PackIndexValue(uint srcValue, uint indexIndex, inout uint dstValue)
// {
//
// dstValue |= srcValue <<(indexIndex << 4);
// }
//
// void main()
// {
//
// uint firstIndex = 0;
// uint endIndex = firstIndex + maxIndex;
//
// uint index =((gl_GlobalInvocationID . x +(firstIndex >> 1))<< 1);
//
// if(index >= endIndex)
// return;
//
// uint dstValue = 0;
//
// if(index >= firstIndex)
// {
// uint srcValue = PullIndex(index);
// PackIndexValue(srcValue, 0, dstValue);
// }
//
// if(index + 1 < endIndex)
// {
// uint srcValue = PullIndex(index + 1);
// PackIndexValue(srcValue, 1, dstValue);
// }
//
// dstIndexBuf[dstIndexBufOffsetDiv4 + gl_GlobalInvocationID . x]= dstValue;
//
// }