Merge branch 'development' into Atom/guthadam/multiple_dockable_pinned_material_component_property_editors

This commit is contained in:
Guthrie Adams
2021-09-14 21:05:22 -05:00
16 changed files with 349 additions and 302 deletions
+3 -1
View File
@@ -273,7 +273,7 @@ namespace AZ::IO
// If the path input = 'D:bar', then the new PathIterable parts = [D:, 'bar' ]
static constexpr void AppendNormalPathParts(PathIterable& pathIterableResult, const AZ::IO::PathView& path) noexcept;
constexpr int compare_string_view(AZStd::string_view other) const;
constexpr int ComparePathView(const PathView& other) const;
constexpr AZStd::string_view root_name_view() const;
constexpr AZStd::string_view root_directory_view() const;
constexpr AZStd::string_view root_path_raw_view() const;
@@ -480,6 +480,8 @@ namespace AZ::IO
// compare
//! Performs a compare of each of the path parts for equivalence
//! Each part of the path is compare using string comparison
//! If both *this path and the input path uses the WindowsPathSeparator
//! then a non-case sensitive compare is performed
//! Ex: Comparing "test/foo" against "test/fop" returns -1;
//! Path separators of the contained path string aren't compared
//! Ex. Comparing "C:/test\foo" against C:\test/foo" returns 0;
+19 -36
View File
@@ -224,15 +224,15 @@ namespace AZ::IO
// compare
constexpr int PathView::Compare(const PathView& other) const noexcept
{
return compare_string_view(other.m_path);
return ComparePathView(other);
}
constexpr int PathView::Compare(AZStd::string_view pathView) const noexcept
{
return compare_string_view(pathView);
return ComparePathView(PathView(pathView, m_preferred_separator));
}
constexpr int PathView::Compare(const value_type* path) const noexcept
{
return compare_string_view(path);
return ComparePathView(PathView(path, m_preferred_separator));
}
constexpr AZStd::fixed_string<MaxPathLength> PathView::FixedMaxPathString() const noexcept
@@ -398,10 +398,10 @@ namespace AZ::IO
return true;
}
constexpr int PathView::compare_string_view(AZStd::string_view pathView) const
constexpr int PathView::ComparePathView(const PathView& other) const
{
auto lhsPathParser = parser::PathParser::CreateBegin(m_path, m_preferred_separator);
auto rhsPathParser = parser::PathParser::CreateBegin(pathView, m_preferred_separator);
auto rhsPathParser = parser::PathParser::CreateBegin(other.m_path, other.m_preferred_separator);
if (int res = CompareRootName(&lhsPathParser, &rhsPathParser); res != 0)
{
@@ -476,6 +476,8 @@ namespace AZ::IO
template <typename PathResultType>
constexpr void PathView::MakeRelativeTo(PathResultType& pathResult, const AZ::IO::PathView& path, const AZ::IO::PathView& base)
{
const bool exactCaseCompare = path.m_preferred_separator == PosixPathSeparator
|| base.m_preferred_separator == PosixPathSeparator;
{
// perform root-name/root-directory mismatch checks
auto pathParser = parser::PathParser::CreateBegin(path.m_path, path.m_preferred_separator);
@@ -487,7 +489,7 @@ namespace AZ::IO
};
if (pathParser.InRootName() && pathParserBase.InRootName())
{
if (int res = Internal::ComparePathSegment(*pathParser, *pathParserBase, pathParser.m_preferred_separator);
if (int res = Internal::ComparePathSegment(*pathParser, *pathParserBase, exactCaseCompare);
res != 0)
{
pathResult.m_path = AZStd::string_view{};
@@ -519,7 +521,7 @@ namespace AZ::IO
auto pathParser = parser::PathParser::CreateBegin(path.m_path, path.m_preferred_separator);
auto pathParserBase = parser::PathParser::CreateBegin(base.m_path, base.m_preferred_separator);
while (pathParser && pathParserBase && pathParser.m_parser_state == pathParserBase.m_parser_state &&
Internal::ComparePathSegment(*pathParser, *pathParserBase, pathParser.m_preferred_separator) == 0)
Internal::ComparePathSegment(*pathParser, *pathParserBase, exactCaseCompare) == 0)
{
++pathParser;
++pathParserBase;
@@ -1080,25 +1082,25 @@ namespace AZ::IO
template <typename StringType>
constexpr int BasicPath<StringType>::Compare(const PathView& other) const noexcept
{
return static_cast<PathView>(*this).compare_string_view(other.m_path);
return static_cast<PathView>(*this).ComparePathView(other);
}
template <typename StringType>
constexpr int BasicPath<StringType>::Compare(const string_type& pathString) const
{
return static_cast<PathView>(*this).compare_string_view(pathString);
return static_cast<PathView>(*this).ComparePathView(PathView(pathString, m_preferred_separator));
}
template <typename StringType>
constexpr int BasicPath<StringType>::Compare(AZStd::string_view pathView) const noexcept
{
return static_cast<PathView>(*this).compare_string_view(pathView);
return static_cast<PathView>(*this).ComparePathView(pathView);
}
template <typename StringType>
constexpr int BasicPath<StringType>::Compare(const value_type* pathString) const noexcept
{
return static_cast<PathView>(*this).compare_string_view(pathString);
return static_cast<PathView>(*this).ComparePathView(pathString);
}
// decomposition
@@ -1330,10 +1332,12 @@ namespace AZ::IO
// PathView::LexicallyRelative is not being used as it returns a FixedMaxPath
// which has a limitation that it requires the relative path to fit within
// an AZ::IO::MaxPathLength buffer
auto ComparePathPart = [pathSeparator = m_preferred_separator](
const bool exactCaseCompare = m_preferred_separator == PosixPathSeparator
|| base.m_preferred_separator == PosixPathSeparator;
auto ComparePathPart = [exactCaseCompare](
const PathIterable::PartKindPair& left, const PathIterable::PartKindPair& right) -> bool
{
return Internal::ComparePathSegment(left.first, right.first, pathSeparator) == 0;
return Internal::ComparePathSegment(left.first, right.first, exactCaseCompare) == 0;
};
const PathIterable thisPathParts = GetNormalPathParts(*this);
@@ -1471,37 +1475,16 @@ namespace AZStd
template <>
struct hash<AZ::IO::PathView>
{
/// Path is using FNV-1a algorithm 64 bit version.
static size_t hash_path(AZStd::string_view pathSegment, const char pathSeparator)
{
size_t hash = 14695981039346656037ULL;
constexpr size_t fnvPrime = 1099511628211ULL;
for (const char first : pathSegment)
{
hash ^= static_cast<size_t>((pathSeparator == AZ::IO::PosixPathSeparator)
? first : tolower(first));
hash *= fnvPrime;
}
return hash;
}
size_t operator()(const AZ::IO::PathView& pathToHash) noexcept
{
auto pathParser = AZ::IO::parser::PathParser::CreateBegin(pathToHash.Native(), pathToHash.m_preferred_separator);
size_t hash_value = 0;
while (pathParser)
{
AZStd::hash_combine(hash_value, hash_path(*pathParser, pathToHash.m_preferred_separator));
++pathParser;
}
return hash_value;
return AZ::IO::parser::HashPath(pathParser);
}
};
template <typename StringType>
struct hash<AZ::IO::BasicPath<StringType>>
{
const size_t operator()(const AZ::IO::BasicPath<StringType>& pathToHash) noexcept
size_t operator()(const AZ::IO::BasicPath<StringType>& pathToHash) noexcept
{
return AZStd::hash<AZ::IO::PathView>{}(pathToHash);
}
@@ -183,13 +183,12 @@ namespace AZ::IO::Internal
return IsAbsolute(pathView.begin(), pathView.end(), preferredSeparator);
}
// Compares path segments using either Posix or Windows path rules based on the path separator in use
// Posix paths perform a case-sensitive comparison, while Windows paths perform a case-insensitive comparison
static int ComparePathSegment(AZStd::string_view left, AZStd::string_view right, char pathSeparator)
// Compares path segments using either Posix or Windows path rules based on the exactCaseCompare option
static int ComparePathSegment(AZStd::string_view left, AZStd::string_view right, bool exactCaseCompare)
{
const size_t maxCharsToCompare = (AZStd::min)(left.size(), right.size());
int charCompareResult = pathSeparator == PosixPathSeparator
int charCompareResult = exactCaseCompare
? maxCharsToCompare ? strncmp(left.data(), right.data(), maxCharsToCompare) : 0
: maxCharsToCompare ? azstrnicmp(left.data(), right.data(), maxCharsToCompare) : 0;
return charCompareResult == 0
@@ -594,7 +593,10 @@ namespace AZ::IO::parser
{
return pathParser->InRootName() ? **pathParser : "";
};
int res = Internal::ComparePathSegment(GetRootName(lhsPathParser), GetRootName(rhsPathParser), lhsPathParser->m_preferred_separator);
const bool exactCaseCompare = lhsPathParser->m_preferred_separator == PosixPathSeparator
|| rhsPathParser->m_preferred_separator == PosixPathSeparator;
int res = Internal::ComparePathSegment(GetRootName(lhsPathParser), GetRootName(rhsPathParser), exactCaseCompare);
ConsumeRootName(lhsPathParser);
ConsumeRootName(rhsPathParser);
return res;
@@ -621,9 +623,11 @@ namespace AZ::IO::parser
auto& lhsPathParser = *lhsPathParserPtr;
auto& rhsPathParser = *rhsPathParserPtr;
const bool exactCaseCompare = lhsPathParser.m_preferred_separator == PosixPathSeparator
|| rhsPathParser.m_preferred_separator == PosixPathSeparator;
while (lhsPathParser && rhsPathParser)
{
if (int res = Internal::ComparePathSegment(*lhsPathParser, *rhsPathParser, lhsPathParser.m_preferred_separator);
if (int res = Internal::ComparePathSegment(*lhsPathParser, *rhsPathParser, exactCaseCompare);
res != 0)
{
return res;
@@ -646,6 +650,46 @@ namespace AZ::IO::parser
return 0;
}
//path.hash
/// Path is using FNV-1a algorithm 64 bit version.
inline size_t HashSegment(AZStd::string_view pathSegment, bool hashExactPath)
{
size_t hash = 14695981039346656037ULL;
constexpr size_t fnvPrime = 1099511628211ULL;
for (const char first : pathSegment)
{
hash ^= static_cast<size_t>(hashExactPath ? first : tolower(first));
hash *= fnvPrime;
}
return hash;
}
constexpr size_t HashPath(PathParser& pathParser)
{
size_t hash_value = 0;
const bool hashExactPath = pathParser.m_preferred_separator == AZ::IO::PosixPathSeparator;
while (pathParser)
{
switch (pathParser.m_parser_state)
{
case PS_InRootName:
case PS_InFilenames:
AZStd::hash_combine(hash_value, HashSegment(*pathParser, hashExactPath));
break;
case PS_InRootDir:
// Only hash the PosixPathSeparator when a root directory is seen
// This makes the hash consistent for root directories path of C:\ and C:/
AZStd::hash_combine(hash_value, HashSegment("/", hashExactPath));
break;
default:
// The BeforeBegin and AtEnd states contain no segments to hash
break;
}
++pathParser;
}
return hash_value;
}
constexpr int DetermineLexicalElementCount(PathParser pathParser)
{
int count = 0;
@@ -213,6 +213,82 @@ namespace UnitTest
AZStd::tuple<AZStd::string_view, AZStd::string_view>(R"(foO/Bar)", "foo/bar")
));
struct PathHashCompareParams
{
AZ::IO::PathView m_testPath{};
::testing::Matcher<AZ::IO::PathView> m_compareMatcher;
::testing::Matcher<size_t> m_hashMatcher;
};
class PathHashCompareFixture
: public ScopedAllocatorSetupFixture
, public ::testing::WithParamInterface<PathHashCompareParams>
{};
// Verifies that two paths that compare equal has their hash value compare equal
TEST_P(PathHashCompareFixture, PathsWhichCompareEqual_HashesToSameValue_Succeeds)
{
auto&& [testPath1, compareMatcher, hashMatcher] = GetParam();
// Compare path using parameterized Matcher
EXPECT_THAT(testPath1, compareMatcher);
// Compare hash using parameterized Matcher
const size_t testPath1Hash = AZStd::hash<AZ::IO::PathView>{}(testPath1);
AZ_PUSH_DISABLE_WARNING(4296, "-Wunknown-warning-option")
EXPECT_THAT(testPath1Hash, hashMatcher);
AZ_POP_DISABLE_WARNING
}
INSTANTIATE_TEST_CASE_P(
HashPathCompareValidation,
PathHashCompareFixture,
::testing::Values(
PathHashCompareParams{ AZ::IO::PathView("C:/test/foo", AZ::IO::WindowsPathSeparator),
testing::Eq(AZ::IO::PathView(R"(c:\test/foo)", AZ::IO::WindowsPathSeparator)),
testing::Eq(AZStd::hash<AZ::IO::PathView>{}(AZ::IO::PathView(R"(c:\test/foo)", AZ::IO::WindowsPathSeparator))) },
PathHashCompareParams{ AZ::IO::PathView("/test/foo", AZ::IO::WindowsPathSeparator),
testing::Eq(AZ::IO::PathView(R"(/test/FOO)", AZ::IO::WindowsPathSeparator)),
testing::Eq(AZStd::hash<AZ::IO::PathView>{}(AZ::IO::PathView(R"(/test/FOO)", AZ::IO::WindowsPathSeparator))) },
PathHashCompareParams{ AZ::IO::PathView("C:/test/foo", AZ::IO::WindowsPathSeparator),
testing::Eq(AZ::IO::PathView(R"(c:\test/foo)", AZ::IO::WindowsPathSeparator)),
testing::Eq(AZStd::hash<AZ::IO::PathView>{}(AZ::IO::PathView(R"(c:\test/foo)", AZ::IO::WindowsPathSeparator))) },
PathHashCompareParams{ AZ::IO::PathView("C:/test/foo", AZ::IO::PosixPathSeparator),
testing::Ne(AZ::IO::PathView(R"(c:\test/foo)", AZ::IO::WindowsPathSeparator)),
testing::Ne(AZStd::hash<AZ::IO::PathView>{}(AZ::IO::PathView(R"(c:\test/foo)", AZ::IO::WindowsPathSeparator))) },
PathHashCompareParams{ AZ::IO::PathView(R"(C:\test\foo)", AZ::IO::WindowsPathSeparator),
testing::Ne(AZ::IO::PathView(R"(c:/test/foo)", AZ::IO::PosixPathSeparator)),
testing::Ne(AZStd::hash<AZ::IO::PathView>{}(AZ::IO::PathView(R"(c:/test/foo)", AZ::IO::PosixPathSeparator))) },
PathHashCompareParams{ AZ::IO::PathView("/test/aoo", AZ::IO::WindowsPathSeparator),
testing::Eq(AZ::IO::PathView(R"(/test/AOO)", AZ::IO::WindowsPathSeparator)),
testing::Eq(AZStd::hash<AZ::IO::PathView>{}(AZ::IO::PathView(R"(/test/AOO)", AZ::IO::WindowsPathSeparator))) },
PathHashCompareParams{ AZ::IO::PathView("/test/aoo", AZ::IO::PosixPathSeparator),
testing::Gt(AZ::IO::PathView(R"(/test/AOO)", AZ::IO::WindowsPathSeparator)),
testing::Eq(AZStd::hash<AZ::IO::PathView>{}(AZ::IO::PathView(R"(/test/AOO)", AZ::IO::WindowsPathSeparator))) },
PathHashCompareParams{ AZ::IO::PathView("/test/aoo", AZ::IO::WindowsPathSeparator),
testing::Gt(AZ::IO::PathView(R"(/test/AOO)", AZ::IO::PosixPathSeparator)),
testing::Ne(AZStd::hash<AZ::IO::PathView>{}(AZ::IO::PathView(R"(/test/AOO)", AZ::IO::PosixPathSeparator))) },
PathHashCompareParams{ AZ::IO::PathView("/test/AOO", AZ::IO::PosixPathSeparator),
testing::Lt(AZ::IO::PathView(R"(/test/aoo)", AZ::IO::WindowsPathSeparator)),
testing::Ne(AZStd::hash<AZ::IO::PathView>{}(AZ::IO::PathView(R"(/test/aoo)", AZ::IO::WindowsPathSeparator))) },
PathHashCompareParams{ AZ::IO::PathView("/test/AOO", AZ::IO::WindowsPathSeparator),
testing::Lt(AZ::IO::PathView(R"(/test/aoo)", AZ::IO::PosixPathSeparator)),
testing::Eq(AZStd::hash<AZ::IO::PathView>{}(AZ::IO::PathView(R"(/test/aoo)", AZ::IO::PosixPathSeparator))) },
// Paths with different character values, comparison based on path separator
PathHashCompareParams{ AZ::IO::PathView("/test/BOO", AZ::IO::PosixPathSeparator),
testing::Le(AZ::IO::PathView(R"(/test/aoo)", AZ::IO::WindowsPathSeparator)),
testing::Ne(AZStd::hash<AZ::IO::PathView>{}(AZ::IO::PathView(R"(/test/aoo)", AZ::IO::WindowsPathSeparator))) },
PathHashCompareParams{ AZ::IO::PathView("/test/BOO", AZ::IO::WindowsPathSeparator),
testing::Ge(AZ::IO::PathView(R"(/test/aoo)", AZ::IO::WindowsPathSeparator)),
testing::Ne(AZStd::hash<AZ::IO::PathView>{}(AZ::IO::PathView(R"(/test/aoo)", AZ::IO::WindowsPathSeparator))) },
PathHashCompareParams{ AZ::IO::PathView("/test/aoo", AZ::IO::WindowsPathSeparator),
testing::Le(AZ::IO::PathView(R"(/test/Boo)", AZ::IO::WindowsPathSeparator)),
testing::Ne(AZStd::hash<AZ::IO::PathView>{}(AZ::IO::PathView(R"(/test/Boo)", AZ::IO::WindowsPathSeparator))) },
PathHashCompareParams{ AZ::IO::PathView("/test/aoo", AZ::IO::PosixPathSeparator),
testing::Ge(AZ::IO::PathView(R"(/test/Boo)", AZ::IO::WindowsPathSeparator)),
testing::Ne(AZStd::hash<AZ::IO::PathView>{}(AZ::IO::PathView(R"(/test/Boo)", AZ::IO::WindowsPathSeparator))) }
));
class PathSingleParamFixture
: public ScopedAllocatorSetupFixture
, public ::testing::WithParamInterface<AZStd::tuple<AZStd::string_view>>
@@ -40,9 +40,11 @@
}
]
},
{
"Name": "HorizontalGaussianFilter",
"TemplateName": "FilterDepthHorizontalTemplate",
"Name": "KawaseBlur0",
"TemplateName": "KawaseShadowBlurTemplate",
"Enabled": true,
"Connections": [
{
"LocalSlot": "Input",
@@ -54,26 +56,27 @@
]
},
{
"Name": "VerticalGaussianFiter",
"TemplateName": "FilterDepthVerticalTemplate",
"Name": "KawaseBlur1",
"TemplateName": "KawaseShadowBlurTemplate",
"Enabled": true,
"Connections": [
{
"LocalSlot": "Input",
"AttachmentRef": {
"Pass": "HorizontalGaussianFilter",
"Pass": "KawaseBlur0",
"Attachment": "Output"
}
}
]
}
}
],
"Connections": [
{
"LocalSlot": "EsmShadowmaps",
"AttachmentRef": {
"Pass": "VerticalGaussianFiter",
"Pass": "KawaseBlur1",
"Attachment": "Output"
}
}
}
]
}
@@ -1,72 +0,0 @@
{
"Type": "JsonSerialization",
"Version": 1,
"ClassName": "PassAsset",
"ClassData": {
"PassTemplate": {
"Name": "FilterDepthHorizontalTemplate",
"PassClass": "ComputePass",
"Slots": [
{
"Name": "Input",
"SlotType": "Input",
"ShaderInputName": "m_inputImage",
"ScopeAttachmentUsage": "Shader",
"LoadStoreAction": {
"LoadAction": "Load",
"StoreAction": "DontCare"
},
"ImageViewDesc": {
"IsArray": 1
}
},
{
"Name": "Output",
"SlotType": "Output",
"ShaderInputName": "m_outputImage",
"ScopeAttachmentUsage": "Shader",
"LoadStoreAction": {
"LoadAction": "DontCare",
"StoreAction": "Store"
},
"ImageViewDesc": {
"IsArray": 1
}
}
],
"PassData": {
"$type": "ComputePassData",
"ShaderAsset": {
"FilePath": "Shaders/Math/GaussianFilterFloatHorizontal.shader"
}
},
"ImageAttachments": [
{
"Name": "HorizontalFiltered",
"SizeSource": {
"Source": {
"Pass": "This",
"Attachment": "Input"
}
},
"ArraySizeSource": {
"Pass": "This",
"Attachment": "Input"
},
"ImageDescriptor": {
"Format": "R32_FLOAT"
}
}
],
"Connections": [
{
"localSlot": "Output",
"AttachmentRef": {
"Pass": "This",
"Attachment": "HorizontalFiltered"
}
}
]
}
}
}
@@ -4,7 +4,7 @@
"ClassName": "PassAsset",
"ClassData": {
"PassTemplate": {
"Name": "FilterDepthVerticalTemplate",
"Name": "KawaseShadowBlurTemplate",
"PassClass": "ComputePass",
"Slots": [
{
@@ -28,7 +28,7 @@
"LoadStoreAction": {
"LoadAction": "DontCare",
"StoreAction": "Store"
},
},
"ImageViewDesc": {
"IsArray": 1
}
@@ -37,12 +37,12 @@
"PassData": {
"$type": "ComputePassData",
"ShaderAsset": {
"FilePath": "Shaders/Math/GaussianFilterFloatVertical.shader"
"FilePath": "Shaders/Shadow/KawaseShadowBlur.shader"
}
},
"ImageAttachments": [
{
"Name": "VerticalFiltered",
"Name": "FilteredImage",
"SizeSource": {
"Source": {
"Pass": "This",
@@ -63,7 +63,7 @@
"localSlot": "Output",
"AttachmentRef": {
"Pass": "This",
"Attachment": "VerticalFiltered"
"Attachment": "FilteredImage"
}
}
]
@@ -184,14 +184,6 @@
"Name": "DepthOfFieldWriteFocusDepthFromGpuTemplate",
"Path": "Passes/DepthOfFieldWriteFocusDepthFromGpu.pass"
},
{
"Name": "FilterDepthHorizontalTemplate",
"Path": "Passes/FilterDepthHorizontal.pass"
},
{
"Name": "FilterDepthVerticalTemplate",
"Path": "Passes/FilterDepthVertical.pass"
},
{
"Name": "EsmShadowmapsTemplate",
"Path": "Passes/EsmShadowmaps.pass"
@@ -503,7 +495,11 @@
{
"Name": "LowEndPipelineTemplate",
"Path": "Passes/LowEndPipeline.pass"
}
},
{
"Name": "KawaseShadowBlurTemplate",
"Path": "Passes/KawaseShadowBlur.pass"
}
]
}
}
@@ -1,60 +0,0 @@
/*
* Copyright (c) Contributors to the Open 3D Engine Project.
* For complete copyright and license terms please see the LICENSE at the root of this distribution.
*
* SPDX-License-Identifier: Apache-2.0 OR MIT
*
*/
// [GFX TODO][ATOM-3365] optimization using intermediary results in groupshared memory.
#include <Atom/Features/Math/Filter.azsli>
#include <Atom/Features/Math/FilterPassSrg.azsli>
#include <Atom/Features/Shadow/ShadowmapAtlasLib.azsli>
[numthreads(16,16,1)]
void MainCS(uint3 dispatchId: SV_DispatchThreadID)
{
const float3 inputSize = GetImageSize(FilterPassSrg::m_inputImage);
const float3 outputSize = GetImageSize(FilterPassSrg::m_outputImage);
const uint shadowmapIndex = GetShadowmapIndex(
FilterPassSrg::m_shadowmapIndexTable,
dispatchId,
inputSize.x);
// Early return if thread is outside of shadowmaps.
if (shadowmapIndex == ~0)
{
return;
}
const FilterParameter filterParameter = FilterPassSrg::m_filterParameters[shadowmapIndex];
const uint shadowmapSize = filterParameter.m_shadowmapSize;
// Early return if filter is disabled.
if (!filterParameter.m_isEnabled || shadowmapSize <= 1)
{
return; // early return if filter parameter is empty.
}
const uint sourceMin = filterParameter.m_shadowmapOriginInSlice.x;
const uint sourceMax = sourceMin + shadowmapSize - 1;
uint filterTableSize = 0;
FilterPassSrg::m_filterTable.GetDimensions(filterTableSize);
if (filterTableSize == 0 || filterParameter.m_parameterCount == 0)
{
return; // If filter parameter is empty, early return.
}
// [GFX TODO][ATOM-5676] pass proper source min/max for each shadowmap
const float result = FilteredFloat(
dispatchId,
FilterPassSrg::m_inputImage,
uint2(1, 0), // horizontal
sourceMin,
sourceMax,
FilterPassSrg::m_filterTable,
filterParameter.m_parameterOffset,
filterParameter.m_parameterCount);
FilterPassSrg::m_outputImage[dispatchId].r = result;
}
@@ -1,16 +0,0 @@
{
"Source" : "GaussianFilterFloatHorizontal",
"DrawList" : "shadow",
"ProgramSettings":
{
"EntryPoints":
[
{
"name": "MainCS",
"type": "Compute"
}
]
}
}
@@ -1,60 +0,0 @@
/*
* Copyright (c) Contributors to the Open 3D Engine Project.
* For complete copyright and license terms please see the LICENSE at the root of this distribution.
*
* SPDX-License-Identifier: Apache-2.0 OR MIT
*
*/
// [GFX TODO][ATOM-3365] optimization using intermediary results in groupshared memory.
#include <Atom/Features/Math/Filter.azsli>
#include <Atom/Features/Math/FilterPassSrg.azsli>
#include <Atom/Features/Shadow/ShadowmapAtlasLib.azsli>
[numthreads(16,16,1)]
void MainCS(uint3 dispatchId: SV_DispatchThreadID)
{
const float3 inputSize = GetImageSize(FilterPassSrg::m_inputImage);
const float3 outputSize = GetImageSize(FilterPassSrg::m_outputImage);
const uint shadowmapIndex = GetShadowmapIndex(
FilterPassSrg::m_shadowmapIndexTable,
dispatchId,
inputSize.x);
// Early return if thread is outside of shadowmaps.
if (shadowmapIndex == ~0)
{
return;
}
const FilterParameter filterParameter = FilterPassSrg::m_filterParameters[shadowmapIndex];
const uint shadowmapSize = filterParameter.m_shadowmapSize;
// Early return if filter is disabled.
if (!filterParameter.m_isEnabled || shadowmapSize <= 1)
{
return; // early return if filter parameter is empty.
}
const uint sourceMin = filterParameter.m_shadowmapOriginInSlice.y;
const uint sourceMax = sourceMin + shadowmapSize - 1;
uint filterTableSize = 0;
FilterPassSrg::m_filterTable.GetDimensions(filterTableSize);
if (filterTableSize == 0 || filterParameter.m_parameterCount == 0)
{
return; // If filter parameter is empty, early return.
}
// [GFX TODO][ATOM-5676] pass proper source min/max for each shadowmap
const float result = FilteredFloat(
dispatchId,
FilterPassSrg::m_inputImage,
uint2(0, 1), // vertical
sourceMin,
sourceMax,
FilterPassSrg::m_filterTable,
filterParameter.m_parameterOffset,
filterParameter.m_parameterCount);
FilterPassSrg::m_outputImage[dispatchId].r = result;
}
@@ -0,0 +1,132 @@
/*
* Copyright (c) Contributors to the Open 3D Engine Project.
* For complete copyright and license terms please see the LICENSE at the root of this distribution.
*
* SPDX-License-Identifier: Apache-2.0 OR MIT
*
*/
// [GFX TODO][ATOM-3365] optimization using intermediary results in groupshared memory.
// This shader blurs the ESM results using a multi-pass kawase filter.
// It should generally be faster than separable gaussian blur
// https://software.intel.com/content/www/us/en/develop/blogs/an-investigation-of-fast-real-time-gpu-based-image-blur-algorithms.html
#include <Atom/Features/Math/Filter.azsli>
#include <Atom/Features/Shadow/ShadowmapAtlasLib.azsli>
#include <Atom/Features/Shadow/Shadow.azsli>
#include <Atom/Features/SrgSemantics.azsli>
ShaderResourceGroup FilterPassSrg : SRG_PerPass
{
// This shader filters multiple images with distinct filter parameters.
// So, the input and output are arrays of texture2Ds.
Texture2DArray<float> m_inputImage;
RWTexture2DArray<float> m_outputImage;
// This can convert a coordinate in an atlas to
// the shadowmap index.
Buffer<uint2> m_shadowmapIndexTable;
// This contains parameters related to filtering.
StructuredBuffer<FilterParameter> m_filterParameters;
// x and y contain the inverse of the texture map resolution, z contains the kawase iteration
// i.e. a two pass kawase blur passes in 0 for the 1st pass and 1 for the second pass
float4 m_rcpResolutionAndIteration;
Sampler LinearSampler
{
MinFilter = Linear;
MagFilter = Linear;
MipFilter = Linear;
AddressU = Clamp;
AddressV = Clamp;
AddressW = Clamp;
};
}
void CalculateBlurBoundaries(const uint shadowmapIndex, out float2 sourceMinTex, out float2 sourceMaxTex)
{
const float2 rcpPixelSize = FilterPassSrg::m_rcpResolutionAndIteration.xy;
const FilterParameter filterParameter = FilterPassSrg::m_filterParameters[shadowmapIndex];
const uint shadowmapSize = filterParameter.m_shadowmapSize;
// location of the shadow bounds in texels
const uint2 sourceMinPixel = filterParameter.m_shadowmapOriginInSlice.xy;
const uint2 sourceMaxPixel = sourceMinPixel + shadowmapSize - 1;
// location of the shadow bounds in uv space
sourceMinTex = (sourceMinPixel + 0.5f) * rcpPixelSize;
sourceMaxTex = (sourceMaxPixel + 0.5f) * rcpPixelSize;
}
float AccumulateShadowSamples(Texture2DArray<float> tex, float3 texCoord, SamplerState s)
{
float4 values = tex.GatherRed(s, texCoord);
float result = values.x + values.y + values.z + values.w;
return result;
}
[numthreads(16,16,1)]
void MainCS(uint3 dispatchId: SV_DispatchThreadID)
{
const float inputSize = GetImageSize(FilterPassSrg::m_inputImage).x;
const uint shadowmapIndex = GetShadowmapIndex(
FilterPassSrg::m_shadowmapIndexTable,
dispatchId,
inputSize);
// Early return if thread is outside of shadowmaps.
if (shadowmapIndex == ~0)
{
return;
}
const FilterParameter filterParameter = FilterPassSrg::m_filterParameters[shadowmapIndex];
const uint shadowmapSize = filterParameter.m_shadowmapSize;
// Early return if filter is disabled.
if (!filterParameter.m_isEnabled || shadowmapSize <= 1)
{
return; // early return if filter parameter is empty.
}
const float2 rcpPixelSize = FilterPassSrg::m_rcpResolutionAndIteration.xy;
const float blurIteration = FilterPassSrg::m_rcpResolutionAndIteration.z;
float2 sourceMinTex, sourceMaxTex;
CalculateBlurBoundaries(shadowmapIndex, sourceMinTex, sourceMaxTex);
const float2 halfRcpPixelSize = rcpPixelSize / 2.0f;
const float2 dUV = rcpPixelSize.xy * blurIteration + halfRcpPixelSize.xy;
const float2 texCoord = (dispatchId.xy + 0.5f) * rcpPixelSize;
const float3 texCoordSamples[4] = {
float3(texCoord.x - dUV.x, texCoord.y - dUV.y, dispatchId.z),
float3(texCoord.x - dUV.x, texCoord.y + dUV.y, dispatchId.z),
float3(texCoord.x + dUV.x, texCoord.y - dUV.y, dispatchId.z),
float3(texCoord.x + dUV.x, texCoord.y + dUV.y, dispatchId.z),
};
float accumulatedBlur = 0;
float numSamplesAccumulated = 0;
for(int i = 0 ; i < 4; ++i)
{
if (texCoordSamples[i].x >= sourceMinTex.x &&
texCoordSamples[i].y >= sourceMinTex.y &&
texCoordSamples[i].x < sourceMaxTex.x &&
texCoordSamples[i].y < sourceMaxTex.y)
{
// we should be tapping the location directly in between 4 adjacent texels
accumulatedBlur += AccumulateShadowSamples(FilterPassSrg::m_inputImage, texCoordSamples[i], FilterPassSrg::LinearSampler);
numSamplesAccumulated += 4;
}
}
if (numSamplesAccumulated > 0)
{
float result = accumulatedBlur / numSamplesAccumulated;
FilterPassSrg::m_outputImage[dispatchId].r = result;
}
}
@@ -1,5 +1,5 @@
{
"Source" : "GaussianFilterFloatVertical",
"Source" : "KawaseShadowBlur",
"DrawList" : "shadow",
@@ -137,8 +137,6 @@ set(FILES
Passes/FastDepthAwareBlur.pass
Passes/FastDepthAwareBlurHor.pass
Passes/FastDepthAwareBlurVer.pass
Passes/FilterDepthHorizontal.pass
Passes/FilterDepthVertical.pass
Passes/Forward.pass
Passes/ForwardCheckerboard.pass
Passes/ForwardMSAA.pass
@@ -146,6 +144,7 @@ set(FILES
Passes/FullscreenCopy.pass
Passes/FullscreenOutputOnly.pass
Passes/ImGui.pass
Passes/KawaseShadowBlur.pass
Passes/LightAdaptationParent.pass
Passes/LightCulling.pass
Passes/LightCullingHeatmap.pass
@@ -331,10 +330,6 @@ set(FILES
Shaders/LightCulling/LightCullingTilePrepare.shader
Shaders/LuxCore/RenderTexture.azsl
Shaders/LuxCore/RenderTexture.shader
Shaders/Math/GaussianFilterFloatHorizontal.azsl
Shaders/Math/GaussianFilterFloatHorizontal.shader
Shaders/Math/GaussianFilterFloatVertical.azsl
Shaders/Math/GaussianFilterFloatVertical.shader
Shaders/MorphTargets/MorphTargetCS.azsl
Shaders/MorphTargets/MorphTargetCS.shader
Shaders/MorphTargets/MorphTargetSRG.azsli
@@ -457,6 +452,8 @@ set(FILES
Shaders/ScreenSpace/DeferredFog.shader
Shaders/Shadow/DepthExponentiation.azsl
Shaders/Shadow/DepthExponentiation.shader
Shaders/Shadow/KawaseShadowBlur.azsl
Shaders/Shadow/KawaseShadowBlur.shader
Shaders/Shadow/Shadowmap.azsl
Shaders/Shadow/Shadowmap.shader
Shaders/SkinnedMesh/LinearSkinningCS.azsl
@@ -130,32 +130,17 @@ namespace AZ
const AZStd::array_view<RPI::Ptr<RPI::Pass>>& children = GetChildren();
AZ_Assert(children.size() == EsmChildPassKindCount, "[EsmShadowmapsPass '%s'] The count of children is wrong.", GetPathName().GetCStr());
for (uint32_t index = 0; index < EsmChildPassKindCount; ++index)
for (uint32_t childPassIndex = 0; childPassIndex < EsmChildPassKindCount; ++childPassIndex)
{
RPI::ComputePass* child = azrtti_cast<RPI::ComputePass*>(children[index].get());
RPI::ComputePass* child = azrtti_cast<RPI::ComputePass*>(children[childPassIndex].get());
AZ_Assert(child, "[EsmShadowmapsPass '%s'] A child does not compute.", GetPathName().GetCStr());
Data::Instance<RPI::ShaderResourceGroup> srg = child->GetShaderResourceGroup();
if (m_shadowmapIndexTableBufferIndices[index].IsNull())
SetBlurParameters(srg, childPassIndex);
if (childPassIndex >= aznumeric_cast<uint32_t>(EsmChildPassKind::KawaseBlur0))
{
m_shadowmapIndexTableBufferIndices[index] = srg->FindShaderInputBufferIndex(Name("m_shadowmapIndexTable"));
}
srg->SetBuffer(m_shadowmapIndexTableBufferIndices[index], m_shadowmapIndexTableBuffer);
if (m_filterParameterBufferIndices[index].IsNull())
{
m_filterParameterBufferIndices[index] = srg->FindShaderInputBufferIndex(Name("m_filterParameters"));
}
srg->SetBuffer(m_filterParameterBufferIndices[index], m_filterParameterBuffer);
if (index != static_cast<uint32_t>(EsmChildPassKind::Exponentiation))
{
if (m_filterTableBufferIndices[index].IsNull())
{
m_filterTableBufferIndices[index] = srg->FindShaderInputBufferIndex(Name("m_filterTable"));
}
srg->SetBuffer(m_filterTableBufferIndices[index], m_filterTableBuffer);
SetKawaseBlurSpecificParameters(srg, childPassIndex - aznumeric_cast<uint32_t>(EsmChildPassKind::KawaseBlur0));
}
child->SetTargetThreadCounts(
@@ -165,5 +150,32 @@ namespace AZ
}
}
void EsmShadowmapsPass::SetBlurParameters(Data::Instance<RPI::ShaderResourceGroup> srg, const uint32_t childPassIndex)
{
if (m_shadowmapIndexTableBufferIndices[childPassIndex].IsNull())
{
m_shadowmapIndexTableBufferIndices[childPassIndex] = srg->FindShaderInputBufferIndex(Name("m_shadowmapIndexTable"));
}
srg->SetBuffer(m_shadowmapIndexTableBufferIndices[childPassIndex], m_shadowmapIndexTableBuffer);
if (m_filterParameterBufferIndices[childPassIndex].IsNull())
{
m_filterParameterBufferIndices[childPassIndex] = srg->FindShaderInputBufferIndex(Name("m_filterParameters"));
}
srg->SetBuffer(m_filterParameterBufferIndices[childPassIndex], m_filterParameterBuffer);
}
void EsmShadowmapsPass::SetKawaseBlurSpecificParameters(Data::Instance<RPI::ShaderResourceGroup> srg, uint32_t kawaseBlurIndex)
{
if (m_kawaseBlurConstantIndices[kawaseBlurIndex].IsNull())
{
m_kawaseBlurConstantIndices[kawaseBlurIndex] = srg->FindShaderInputConstantIndex(Name("m_rcpResolutionAndIteration"));
}
const AZ::Vector4 data(
1.0f / m_shadowmapImageSize.m_width, 1.0f / m_shadowmapImageSize.m_height, aznumeric_cast<float>(kawaseBlurIndex), 0.0f);
srg->SetConstant(m_kawaseBlurConstantIndices[kawaseBlurIndex], data);
}
} // namespace Render
} // namespace AZ
@@ -21,12 +21,17 @@
namespace AZ
{
namespace RPI
{
class ShaderResourceGroup;
}
namespace Render
{
AZ_ENUM_CLASS_WITH_UNDERLYING_TYPE(EsmChildPassKind, uint32_t,
(Exponentiation, 0),
HorizontalFilter,
VerticalFilter);
KawaseBlur0,
KawaseBlur1);
//! This pass outputs filtered shadowmap images used in ESM.
//! ESM is an abbreviation of Exponential Shadow Maps.
@@ -88,6 +93,9 @@ namespace AZ
void FrameBeginInternal(FramePrepareParams params) override;
void UpdateChildren();
// Parameters for both the depth exponentiation pass along with the kawase blur passes
void SetBlurParameters(Data::Instance<RPI::ShaderResourceGroup> srg, const uint32_t childPassIndex);
void SetKawaseBlurSpecificParameters(Data::Instance<RPI::ShaderResourceGroup> srg, const uint32_t kawaseBlurIndex);
bool m_computationEnabled = false;
Name m_lightTypeName;
@@ -102,6 +110,8 @@ namespace AZ
Data::Instance<RPI::Buffer> m_shadowmapIndexTableBuffer;
AZStd::array<RHI::ShaderInputBufferIndex, EsmChildPassKindCount> m_filterParameterBufferIndices;
Data::Instance<RPI::Buffer> m_filterParameterBuffer;
AZStd::array<RHI::ShaderInputConstantIndex, 2> m_kawaseBlurConstantIndices;
};
} // namespace Render
} // namespace AZ