D3D12: Add copy splitter unit tests
This commit is contained in:
Austin Eng
Austin Eng
parent
0506138567
commit
04499576d9
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@ -29,7 +29,7 @@ set(UNITTESTS_DIR ${TESTS_DIR}/unittests)
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set(VALIDATION_TESTS_DIR ${UNITTESTS_DIR}/validation)
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set(VALIDATION_TESTS_DIR ${UNITTESTS_DIR}/validation)
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set(END2END_TESTS_DIR ${TESTS_DIR}/end2end)
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set(END2END_TESTS_DIR ${TESTS_DIR}/end2end)
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add_executable(nxt_unittests
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list(APPEND UNITTEST_SOURCES
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${UNITTESTS_DIR}/BitSetIteratorTests.cpp
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${UNITTESTS_DIR}/BitSetIteratorTests.cpp
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${UNITTESTS_DIR}/CommandAllocatorTests.cpp
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${UNITTESTS_DIR}/CommandAllocatorTests.cpp
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${UNITTESTS_DIR}/EnumClassBitmasksTests.cpp
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${UNITTESTS_DIR}/EnumClassBitmasksTests.cpp
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@ -54,6 +54,14 @@ add_executable(nxt_unittests
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${VALIDATION_TESTS_DIR}/ValidationTest.h
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${VALIDATION_TESTS_DIR}/ValidationTest.h
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${TESTS_DIR}/UnittestsMain.cpp
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${TESTS_DIR}/UnittestsMain.cpp
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)
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)
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if (NXT_ENABLE_D3D12)
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list(APPEND UNITTEST_SOURCES
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${UNITTESTS_DIR}/d3d12/CopySplitTests.cpp
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)
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endif()
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add_executable(nxt_unittests ${UNITTEST_SOURCES})
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target_link_libraries(nxt_unittests nxt_common gtest nxt_backend mock_nxt nxt_wire utils)
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target_link_libraries(nxt_unittests nxt_common gtest nxt_backend mock_nxt nxt_wire utils)
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NXTInternalTarget("tests" nxt_unittests)
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NXTInternalTarget("tests" nxt_unittests)
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@ -0,0 +1,369 @@
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// Copyright 2017 The NXT Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <gtest/gtest.h>
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#include "backend/d3d12/d3d12_platform.h"
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#include "backend/d3d12/TextureCopySplitter.h"
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#include "common/Assert.h"
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#include "common/Constants.h"
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#include "common/Math.h"
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using namespace backend::d3d12;
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namespace {
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struct TextureSpec {
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uint32_t x;
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uint32_t y;
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uint32_t z;
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uint32_t width;
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uint32_t height;
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uint32_t depth;
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uint32_t texelSize;
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};
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struct BufferSpec {
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uint32_t offset;
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uint32_t rowPitch;
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};
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// Check that each copy region fits inside the buffer footprint
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void ValidateFootprints(const TextureCopySplit& copySplit) {
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for (uint32_t i = 0; i < copySplit.count; ++i) {
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const auto& copy = copySplit.copies[i];
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ASSERT_LE(copy.bufferOffset.x + copy.copySize.width, copy.bufferSize.width);
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ASSERT_LE(copy.bufferOffset.y + copy.copySize.height, copy.bufferSize.height);
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ASSERT_LE(copy.bufferOffset.z + copy.copySize.depth, copy.bufferSize.depth);
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}
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}
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// Check that the offset is aligned
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void ValidateOffset(const TextureCopySplit& copySplit) {
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ASSERT_TRUE(Align(copySplit.offset, D3D12_TEXTURE_DATA_PLACEMENT_ALIGNMENT) == copySplit.offset);
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}
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bool RangesOverlap(uint32_t minA, uint32_t maxA, uint32_t minB, uint32_t maxB) {
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return (minA < minB && minB <= maxA) || (minB < minA && minA <= maxB);
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}
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// Check that no pair of copy regions intersect each other
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void ValidateDisjoint(const TextureCopySplit& copySplit) {
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for (uint32_t i = 0; i < copySplit.count; ++i) {
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const auto& a = copySplit.copies[i];
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for (uint32_t j = i + 1; j < copySplit.count; ++j) {
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const auto& b = copySplit.copies[j];
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bool overlapX = RangesOverlap(a.textureOffset.x, a.textureOffset.x + a.copySize.width, b.textureOffset.x, b.textureOffset.x + b.copySize.width);
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bool overlapY = RangesOverlap(a.textureOffset.y, a.textureOffset.y + a.copySize.height, b.textureOffset.y, b.textureOffset.y + b.copySize.height);
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bool overlapZ = RangesOverlap(a.textureOffset.z, a.textureOffset.z + a.copySize.depth, b.textureOffset.z, b.textureOffset.z + b.copySize.depth);
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ASSERT_TRUE(!overlapX || !overlapY || !overlapZ);
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}
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}
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}
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// Check that the union of the copy regions exactly covers the texture region
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void ValidateTextureBounds(const TextureSpec& textureSpec, const TextureCopySplit& copySplit) {
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ASSERT_TRUE(copySplit.count > 0);
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uint32_t minX = copySplit.copies[0].textureOffset.x;
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uint32_t minY = copySplit.copies[0].textureOffset.y;
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uint32_t minZ = copySplit.copies[0].textureOffset.z;
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uint32_t maxX = copySplit.copies[0].textureOffset.x + copySplit.copies[0].copySize.width;
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uint32_t maxY = copySplit.copies[0].textureOffset.y + copySplit.copies[0].copySize.height;
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uint32_t maxZ = copySplit.copies[0].textureOffset.z + copySplit.copies[0].copySize.depth;
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for (uint32_t i = 1; i < copySplit.count; ++i) {
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const auto& copy = copySplit.copies[i];
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minX = std::min(minX, copy.textureOffset.x);
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minY = std::min(minY, copy.textureOffset.y);
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minZ = std::min(minZ, copy.textureOffset.z);
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maxX = std::max(maxX, copy.textureOffset.x + copy.copySize.width);
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maxY = std::max(maxY, copy.textureOffset.y + copy.copySize.height);
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maxZ = std::max(maxZ, copy.textureOffset.z + copy.copySize.depth);
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}
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ASSERT_EQ(minX, textureSpec.x);
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ASSERT_EQ(minY, textureSpec.y);
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ASSERT_EQ(minZ, textureSpec.z);
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ASSERT_EQ(maxX, textureSpec.x + textureSpec.width);
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ASSERT_EQ(maxY, textureSpec.y + textureSpec.height);
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ASSERT_EQ(maxZ, textureSpec.z + textureSpec.depth);
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}
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// Validate that the number of pixels copied is exactly equal to the number of pixels in the texture region
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void ValidatePixelCount(const TextureSpec& textureSpec, const TextureCopySplit& copySplit) {
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uint32_t count = 0;
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for (uint32_t i = 0; i < copySplit.count; ++i) {
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const auto& copy = copySplit.copies[i];
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count += copy.copySize.width * copy.copySize.height * copy.copySize.depth;
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}
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ASSERT_EQ(count, textureSpec.width * textureSpec.height * textureSpec.depth);
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}
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// Check that every buffer offset is at the correct pixel location
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void ValidateBufferOffset(const TextureSpec& textureSpec, const BufferSpec& bufferSpec, const TextureCopySplit& copySplit) {
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ASSERT_TRUE(copySplit.count > 0);
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for (uint32_t i = 0; i < copySplit.count; ++i) {
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const auto& copy = copySplit.copies[i];
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uint32_t rowPitchInTexels = bufferSpec.rowPitch / textureSpec.texelSize;
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uint32_t slicePitchInTexels = rowPitchInTexels * copy.copySize.height;
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uint32_t absoluteTexelOffset = copySplit.offset / textureSpec.texelSize + copy.bufferOffset.x + copy.bufferOffset.y * rowPitchInTexels + copy.bufferOffset.z * slicePitchInTexels;
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ASSERT(absoluteTexelOffset >= bufferSpec.offset / textureSpec.texelSize);
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uint32_t relativeTexelOffset = absoluteTexelOffset - bufferSpec.offset / textureSpec.texelSize;
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uint32_t z = relativeTexelOffset / slicePitchInTexels;
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uint32_t y = (relativeTexelOffset % slicePitchInTexels) / rowPitchInTexels;
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uint32_t x = relativeTexelOffset % rowPitchInTexels;
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ASSERT_EQ(copy.textureOffset.x - textureSpec.x, x);
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ASSERT_EQ(copy.textureOffset.y - textureSpec.y, y);
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ASSERT_EQ(copy.textureOffset.z - textureSpec.z, z);
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}
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}
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void ValidateCopySplit(const TextureSpec& textureSpec, const BufferSpec& bufferSpec, const TextureCopySplit& copySplit) {
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ValidateFootprints(copySplit);
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ValidateOffset(copySplit);
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ValidateDisjoint(copySplit);
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ValidateTextureBounds(textureSpec, copySplit);
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ValidatePixelCount(textureSpec, copySplit);
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ValidateBufferOffset(textureSpec, bufferSpec, copySplit);
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}
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std::ostream& operator<<(std::ostream& os, const TextureSpec& textureSpec) {
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os << "TextureSpec("
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<< "[(" << textureSpec.x << ", " << textureSpec.y << ", " << textureSpec.z << "), (" << textureSpec.width << ", " << textureSpec.height << ", " << textureSpec.depth << ")], "
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<< textureSpec.texelSize
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<< ")";
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return os;
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}
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std::ostream& operator<<(std::ostream& os, const BufferSpec& bufferSpec) {
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os << "BufferSpec(" << bufferSpec.offset << ", " << bufferSpec.rowPitch << ")";
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return os;
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}
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std::ostream& operator<<(std::ostream& os, const TextureCopySplit& copySplit) {
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os << "CopySplit" << std::endl;
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for (uint32_t i = 0; i < copySplit.count; ++i) {
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const auto& copy = copySplit.copies[i];
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os << " " << i << ": Texture at (" << copy.textureOffset.x << ", " << copy.textureOffset.y << ", " << copy.textureOffset.z << "), size (" << copy.copySize.width << ", " << copy.copySize.height << ", " << copy.copySize.depth << ")" << std::endl;
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os << " " << i << ": Buffer at (" << copy.bufferOffset.x << ", " << copy.bufferOffset.y << ", " << copy.bufferOffset.z << "), footprint (" << copy.bufferSize.width << ", " << copy.bufferSize.height << ", " << copy.bufferSize.depth << ")" << std::endl;
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}
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return os;
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}
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// Define base texture sizes and offsets to test with: some aligned, some unaligned
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constexpr TextureSpec kBaseTextureSpecs[] = {
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{ 0, 0, 0, 1, 1, 1, 4 },
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{ 31, 16, 0, 1, 1, 1, 4 },
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{ 64, 16, 0, 1, 1, 1, 4 },
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{ 0, 0, 0, 1024, 1024, 1, 4 },
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{ 256, 512, 0, 1024, 1024, 1, 4 },
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{ 64, 48, 0, 1024, 1024, 1, 4 },
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{ 0, 0, 0, 257, 31, 1, 4 },
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{ 0, 0, 0, 17, 93, 1, 4 },
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{ 59, 13, 0, 257, 31, 1, 4 },
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{ 17, 73, 0, 17, 93, 1, 4 },
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};
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// Define base buffer sizes to work with: some offsets aligned, some unaligned. rowPitch is the minimum required
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std::array<BufferSpec, 10> BaseBufferSpecs(const TextureSpec& textureSpec) {
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uint32_t rowPitch = Align(textureSpec.texelSize * textureSpec.width, kTextureRowPitchAlignment);
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auto alignNonPow2 = [](uint32_t value, uint32_t size) -> uint32_t {
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return value == 0 ? 0 : ((value - 1) / size + 1) * size;
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};
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return {
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alignNonPow2(0, textureSpec.texelSize), rowPitch,
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alignNonPow2(512, textureSpec.texelSize), rowPitch,
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alignNonPow2(1024, textureSpec.texelSize), rowPitch,
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alignNonPow2(32, textureSpec.texelSize), rowPitch,
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alignNonPow2(64, textureSpec.texelSize), rowPitch,
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alignNonPow2(31, textureSpec.texelSize), rowPitch,
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alignNonPow2(257, textureSpec.texelSize), rowPitch,
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alignNonPow2(511, textureSpec.texelSize), rowPitch,
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alignNonPow2(513, textureSpec.texelSize), rowPitch,
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alignNonPow2(1023, textureSpec.texelSize), rowPitch,
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};
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}
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// Define a list of values to set properties in the spec structs
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constexpr uint32_t kCheckValues[] = {
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1, 2, 3, 4, 5, 6, 7, 8, // small values
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16, 32, 64, 128, 256, 512, 1024, 2048, // powers of 2
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15, 31, 63, 127, 257, 511, 1023, 2047, // misalignments
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17, 33, 65, 129, 257, 513, 1025, 2049
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};
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}
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class CopySplitTest : public testing::Test {
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protected:
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TextureCopySplit DoTest(const TextureSpec& textureSpec, const BufferSpec& bufferSpec) {
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TextureCopySplit copySplit = ComputeTextureCopySplit(textureSpec.x, textureSpec.y, textureSpec.z, textureSpec.width, textureSpec.height, textureSpec.depth, textureSpec.texelSize, bufferSpec.offset, bufferSpec.rowPitch);
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ValidateCopySplit(textureSpec, bufferSpec, copySplit);
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return copySplit;
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}
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};
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TEST_F(CopySplitTest, General) {
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for (TextureSpec textureSpec : kBaseTextureSpecs) {
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for (BufferSpec bufferSpec : BaseBufferSpecs(textureSpec)) {
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TextureCopySplit copySplit = DoTest(textureSpec, bufferSpec);
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if (HasFatalFailure()) {
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std::ostringstream message;
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message << "Failed generating splits: " << textureSpec << ", " << bufferSpec << std::endl
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<< copySplit << std::endl;
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FAIL() << message.str();
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}
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}
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}
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}
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TEST_F(CopySplitTest, TextureWidth) {
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for (TextureSpec textureSpec : kBaseTextureSpecs) {
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for (uint32_t val : kCheckValues) {
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textureSpec.width = val;
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for (BufferSpec bufferSpec : BaseBufferSpecs(textureSpec)) {
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TextureCopySplit copySplit = DoTest(textureSpec, bufferSpec);
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if (HasFatalFailure()) {
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std::ostringstream message;
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message << "Failed generating splits: " << textureSpec << ", " << bufferSpec << std::endl
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<< copySplit << std::endl;
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FAIL() << message.str();
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}
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}
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}
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}
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}
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TEST_F(CopySplitTest, TextureHeight) {
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for (TextureSpec textureSpec : kBaseTextureSpecs) {
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for (uint32_t val : kCheckValues) {
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textureSpec.height = val;
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for (BufferSpec bufferSpec : BaseBufferSpecs(textureSpec)) {
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TextureCopySplit copySplit = DoTest(textureSpec, bufferSpec);
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if (HasFatalFailure()) {
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std::ostringstream message;
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message << "Failed generating splits: " << textureSpec << ", " << bufferSpec << std::endl
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<< copySplit << std::endl;
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FAIL() << message.str();
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}
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}
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}
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}
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}
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TEST_F(CopySplitTest, TextureX) {
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for (TextureSpec textureSpec : kBaseTextureSpecs) {
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for (uint32_t val : kCheckValues) {
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textureSpec.x = val;
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for (BufferSpec bufferSpec : BaseBufferSpecs(textureSpec)) {
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TextureCopySplit copySplit = DoTest(textureSpec, bufferSpec);
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if (HasFatalFailure()) {
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std::ostringstream message;
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message << "Failed generating splits: " << textureSpec << ", " << bufferSpec << std::endl
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<< copySplit << std::endl;
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FAIL() << message.str();
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}
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}
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}
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}
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}
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TEST_F(CopySplitTest, TextureY) {
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for (TextureSpec textureSpec : kBaseTextureSpecs) {
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for (uint32_t val : kCheckValues) {
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textureSpec.y = val;
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for (BufferSpec bufferSpec : BaseBufferSpecs(textureSpec)) {
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||||||
|
TextureCopySplit copySplit = DoTest(textureSpec, bufferSpec);
|
||||||
|
if (HasFatalFailure()) {
|
||||||
|
std::ostringstream message;
|
||||||
|
message << "Failed generating splits: " << textureSpec << ", " << bufferSpec << std::endl
|
||||||
|
<< copySplit << std::endl;
|
||||||
|
FAIL() << message.str();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
TEST_F(CopySplitTest, TexelSize) {
|
||||||
|
for (TextureSpec textureSpec : kBaseTextureSpecs) {
|
||||||
|
for (uint32_t texelSize : {4, 8, 16, 32, 64}) {
|
||||||
|
textureSpec.texelSize = texelSize;
|
||||||
|
for (BufferSpec bufferSpec : BaseBufferSpecs(textureSpec)) {
|
||||||
|
|
||||||
|
TextureCopySplit copySplit = DoTest(textureSpec, bufferSpec);
|
||||||
|
if (HasFatalFailure()) {
|
||||||
|
std::ostringstream message;
|
||||||
|
message << "Failed generating splits: " << textureSpec << ", " << bufferSpec << std::endl
|
||||||
|
<< copySplit << std::endl;
|
||||||
|
FAIL() << message.str();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
TEST_F(CopySplitTest, BufferOffset) {
|
||||||
|
for (TextureSpec textureSpec : kBaseTextureSpecs) {
|
||||||
|
for (BufferSpec bufferSpec : BaseBufferSpecs(textureSpec)) {
|
||||||
|
for (uint32_t val : kCheckValues) {
|
||||||
|
bufferSpec.offset = textureSpec.texelSize * val;
|
||||||
|
|
||||||
|
TextureCopySplit copySplit = DoTest(textureSpec, bufferSpec);
|
||||||
|
if (HasFatalFailure()) {
|
||||||
|
std::ostringstream message;
|
||||||
|
message << "Failed generating splits: " << textureSpec << ", " << bufferSpec << std::endl
|
||||||
|
<< copySplit << std::endl;
|
||||||
|
FAIL() << message.str();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
TEST_F(CopySplitTest, RowPitch) {
|
||||||
|
for (TextureSpec textureSpec : kBaseTextureSpecs) {
|
||||||
|
for (BufferSpec bufferSpec : BaseBufferSpecs(textureSpec)) {
|
||||||
|
uint32_t baseRowPitch = bufferSpec.rowPitch;
|
||||||
|
for (uint32_t i = 0; i < 5; ++i) {
|
||||||
|
bufferSpec.rowPitch = baseRowPitch + i * 256;
|
||||||
|
|
||||||
|
TextureCopySplit copySplit = DoTest(textureSpec, bufferSpec);
|
||||||
|
if (HasFatalFailure()) {
|
||||||
|
std::ostringstream message;
|
||||||
|
message << "Failed generating splits: " << textureSpec << ", " << bufferSpec << std::endl
|
||||||
|
<< copySplit << std::endl;
|
||||||
|
FAIL() << message.str();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
Loading…
Reference in New Issue