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// Copyright (C) 2008-2012 NVIDIA Corporation.
// Copyright (C) 2019 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#include "qssgrendererimplshaders_p.h"
#include <QtQuick3DRuntimeRender/private/qssgrenderer_p.h>
#include <QtQuick3DRuntimeRender/private/qssgrenderlight_p.h>
#include "../qssgrendercontextcore.h"
#include <QtQuick3DRuntimeRender/private/qssgrendershadercache_p.h>
#include <QtQuick3DRuntimeRender/private/qssgrendershaderlibrarymanager_p.h>
#include <QtQuick3DRuntimeRender/private/qssgrendershadercodegenerator_p.h>
#include <QtQuick3DRuntimeRender/private/qssgrenderdefaultmaterialshadergenerator_p.h>
#include <QtQuick3DRuntimeRender/private/qssgvertexpipelineimpl_p.h>
// this file contains the getXxxxShader implementations suitable for the QRhi-based rendering path
QT_BEGIN_NAMESPACE
QSSGRhiShaderPipelinePtr QSSGBuiltInRhiShaderCache::getBuiltinRhiShader(const QByteArray &name,
BuiltinShader &storage,
int viewCount)
{
if (storage.shaderPipeline && storage.viewCount != viewCount)
storage = {};
if (!storage.shaderPipeline) {
// loadBuiltin must always return a valid QSSGRhiShaderPipeline.
// There will just be no stages if loading fails.
storage.shaderPipeline = m_shaderCache.loadBuiltinUncached(name, viewCount);
storage.viewCount = viewCount;
}
return storage.shaderPipeline;
}
void QSSGBuiltInRhiShaderCache::releaseCachedResources()
{
m_cache = {};
}
QSSGRhiShaderPipelinePtr QSSGBuiltInRhiShaderCache::getRhiCubemapShadowBlurXShader()
{
return getBuiltinRhiShader(QByteArrayLiteral("cubeshadowblurx"), m_cache.cubemapShadowBlurXRhiShader);
}
QSSGRhiShaderPipelinePtr QSSGBuiltInRhiShaderCache::getRhiCubemapShadowBlurYShader()
{
return getBuiltinRhiShader(QByteArrayLiteral("cubeshadowblury"), m_cache.cubemapShadowBlurYRhiShader);
}
QSSGRhiShaderPipelinePtr QSSGBuiltInRhiShaderCache::getRhiGridShader(int viewCount)
{
return getBuiltinRhiShader(QByteArrayLiteral("grid"), m_cache.gridShader, viewCount);
}
QSSGRhiShaderPipelinePtr QSSGBuiltInRhiShaderCache::getRhiOrthographicShadowBlurXShader()
{
return getBuiltinRhiShader(QByteArrayLiteral("orthoshadowblurx"), m_cache.orthographicShadowBlurXRhiShader);
}
QSSGRhiShaderPipelinePtr QSSGBuiltInRhiShaderCache::getRhiOrthographicShadowBlurYShader()
{
return getBuiltinRhiShader(QByteArrayLiteral("orthoshadowblury"), m_cache.orthographicShadowBlurYRhiShader);
}
QSSGRhiShaderPipelinePtr QSSGBuiltInRhiShaderCache::getRhiSsaoShader()
{
return getBuiltinRhiShader(QByteArrayLiteral("ssao"), m_cache.ssaoRhiShader);
}
QSSGRhiShaderPipelinePtr QSSGBuiltInRhiShaderCache::getRhiSkyBoxCubeShader(int viewCount)
{
return getBuiltinRhiShader(QByteArrayLiteral("skyboxcube"), m_cache.skyBoxCubeRhiShader, viewCount);
}
static inline constexpr size_t getSkyboxIndex(QSSGRenderLayer::TonemapMode tonemapMode, bool isRGBE)
{
switch (tonemapMode) {
case QSSGRenderLayer::TonemapMode::None:
return 0 + (size_t(isRGBE) * QSSGRenderLayer::TonemapModeCount);
case QSSGRenderLayer::TonemapMode::Linear:
return 1 + (size_t(isRGBE) * QSSGRenderLayer::TonemapModeCount);
case QSSGRenderLayer::TonemapMode::Aces:
return 2 + (size_t(isRGBE) * QSSGRenderLayer::TonemapModeCount);
case QSSGRenderLayer::TonemapMode::HejlDawson:
return 3 + (size_t(isRGBE) * QSSGRenderLayer::TonemapModeCount);
case QSSGRenderLayer::TonemapMode::Filmic:
return 4 + (size_t(isRGBE) * QSSGRenderLayer::TonemapModeCount);
case QSSGRenderLayer::TonemapMode::Custom:
return 5 + (size_t(isRGBE) * QSSGRenderLayer::TonemapModeCount);
}
Q_UNREACHABLE_RETURN(0);
}
QSSGRhiShaderPipelinePtr QSSGBuiltInRhiShaderCache::getRhiSkyBoxShader(QSSGRenderLayer::TonemapMode tonemapMode, bool isRGBE, int viewCount)
{
// Skybox shader is special and has multiple possible shaders so we have to do
// a bit of manual work here (mapping resolved in getSkyboxIndex()).
static constexpr char variant[][23] { "skybox_hdr_none",
"skybox_hdr_linear",
"skybox_hdr_aces",
"skybox_hdr_hejldawson",
"skybox_hdr_filmic",
"skybox_hdr_custom",
"skybox_rgbe_none",
"skybox_rgbe_linear",
"skybox_rgbe_aces",
"skybox_rgbe_hejldawson",
"skybox_rgbe_filmic",
"skybox_rgbe_custom",
};
const size_t skyboxIndex = getSkyboxIndex(tonemapMode, isRGBE);
return getBuiltinRhiShader(QByteArray::fromRawData(variant[skyboxIndex], std::char_traits<char>::length(variant[skyboxIndex])), m_cache.skyBoxRhiShader[skyboxIndex], viewCount);
}
QSSGRhiShaderPipelinePtr QSSGBuiltInRhiShaderCache::getRhiSupersampleResolveShader()
{
return getBuiltinRhiShader(QByteArrayLiteral("ssaaresolve"), m_cache.supersampleResolveRhiShader);
}
QSSGRhiShaderPipelinePtr QSSGBuiltInRhiShaderCache::getRhiProgressiveAAShader()
{
return getBuiltinRhiShader(QByteArrayLiteral("progressiveaa"), m_cache.progressiveAARhiShader);
}
QSSGRhiShaderPipelinePtr QSSGBuiltInRhiShaderCache::getRhiParticleShader(QSSGRenderParticles::FeatureLevel featureLevel, int viewCount)
{
switch (featureLevel) {
case QSSGRenderParticles::FeatureLevel::Simple:
return getBuiltinRhiShader(QByteArrayLiteral("particlesnolightsimple"), m_cache.particlesNoLightingSimpleRhiShader, viewCount);
break;
case QSSGRenderParticles::FeatureLevel::Mapped:
return getBuiltinRhiShader(QByteArrayLiteral("particlesnolightmapped"), m_cache.particlesNoLightingMappedRhiShader, viewCount);
break;
case QSSGRenderParticles::FeatureLevel::Animated:
return getBuiltinRhiShader(QByteArrayLiteral("particlesnolightanimated"), m_cache.particlesNoLightingAnimatedRhiShader, viewCount);
break;
case QSSGRenderParticles::FeatureLevel::SimpleVLight:
return getBuiltinRhiShader(QByteArrayLiteral("particlesvlightsimple"), m_cache.particlesVLightingSimpleRhiShader, viewCount);
break;
case QSSGRenderParticles::FeatureLevel::MappedVLight:
return getBuiltinRhiShader(QByteArrayLiteral("particlesvlightmapped"), m_cache.particlesVLightingMappedRhiShader, viewCount);
break;
case QSSGRenderParticles::FeatureLevel::AnimatedVLight:
return getBuiltinRhiShader(QByteArrayLiteral("particlesvlightanimated"), m_cache.particlesVLightingAnimatedRhiShader, viewCount);
break;
case QSSGRenderParticles::FeatureLevel::Line:
return getBuiltinRhiShader(QByteArrayLiteral("lineparticles"), m_cache.lineParticlesRhiShader, viewCount);
break;
case QSSGRenderParticles::FeatureLevel::LineMapped:
return getBuiltinRhiShader(QByteArrayLiteral("lineparticlesmapped"), m_cache.lineParticlesMappedRhiShader, viewCount);
break;
case QSSGRenderParticles::FeatureLevel::LineAnimated:
return getBuiltinRhiShader(QByteArrayLiteral("lineparticlesanimated"), m_cache.lineParticlesAnimatedRhiShader, viewCount);
break;
case QSSGRenderParticles::FeatureLevel::LineVLight:
return getBuiltinRhiShader(QByteArrayLiteral("lineparticlesvlightsimple"), m_cache.lineParticlesVLightRhiShader, viewCount);
break;
case QSSGRenderParticles::FeatureLevel::LineMappedVLight:
return getBuiltinRhiShader(QByteArrayLiteral("lineparticlesvlightmapped"), m_cache.lineParticlesMappedVLightRhiShader, viewCount);
break;
case QSSGRenderParticles::FeatureLevel::LineAnimatedVLight:
return getBuiltinRhiShader(QByteArrayLiteral("lineparticlesvlightanimated"), m_cache.lineParticlesAnimatedVLightRhiShader, viewCount);
break;
}
return getBuiltinRhiShader(QByteArrayLiteral("particlesnolightanimated"), m_cache.particlesNoLightingAnimatedRhiShader, viewCount);
}
QSSGRhiShaderPipelinePtr QSSGBuiltInRhiShaderCache::getRhiSimpleQuadShader()
{
return getBuiltinRhiShader(QByteArrayLiteral("simplequad"), m_cache.simpleQuadRhiShader);
}
QSSGRhiShaderPipelinePtr QSSGBuiltInRhiShaderCache::getRhiLightmapUVRasterizationShader(LightmapUVRasterizationShaderMode mode)
{
switch (mode) {
case LightmapUVRasterizationShaderMode::Uv:
return getBuiltinRhiShader(QByteArrayLiteral("lightmapuvraster_uv"), m_cache.lightmapUVRasterShader_uv);
case LightmapUVRasterizationShaderMode::UvTangent:
return getBuiltinRhiShader(QByteArrayLiteral("lightmapuvraster_uv_tangent"), m_cache.lightmapUVRasterShader_uv_tangent);
case LightmapUVRasterizationShaderMode::Default:
return getBuiltinRhiShader(QByteArrayLiteral("lightmapuvraster"), m_cache.lightmapUVRasterShader);
}
Q_UNREACHABLE_RETURN(getBuiltinRhiShader(QByteArrayLiteral("lightmapuvraster"), m_cache.lightmapUVRasterShader));
}
QSSGRhiShaderPipelinePtr QSSGBuiltInRhiShaderCache::getRhiLightmapDilateShader()
{
return getBuiltinRhiShader(QByteArrayLiteral("lightmapdilate"), m_cache.lightmapDilateShader);
}
QSSGRhiShaderPipelinePtr QSSGBuiltInRhiShaderCache::getRhiDebugObjectShader()
{
return getBuiltinRhiShader(QByteArrayLiteral("debugobject"), m_cache.debugObjectShader);
}
QSSGRhiShaderPipelinePtr QSSGBuiltInRhiShaderCache::getRhiReflectionprobePreFilterShader()
{
return getBuiltinRhiShader(QByteArrayLiteral("reflectionprobeprefilter"), m_cache.reflectionprobePreFilterShader);
}
QSSGRhiShaderPipelinePtr QSSGBuiltInRhiShaderCache::getRhienvironmentmapPreFilterShader(bool isRGBE)
{
static constexpr char variant[][29] { "environmentmapprefilter", "environmentmapprefilter_rgbe" };
const quint8 idx = quint8(isRGBE);
return getBuiltinRhiShader(QByteArray::fromRawData(variant[idx], std::char_traits<char>::length(variant[idx])), m_cache.environmentmapPreFilterShader[idx]);
}
QSSGRhiShaderPipelinePtr QSSGBuiltInRhiShaderCache::getRhiEnvironmentmapShader()
{
return getBuiltinRhiShader(QByteArrayLiteral("environmentmap"), m_cache.environmentmapShader);
}
QT_END_NAMESPACE
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