diff options
Diffstat (limited to 'src/gui/rhi/qrhigles2.cpp')
| -rw-r--r-- | src/gui/rhi/qrhigles2.cpp | 124 |
1 files changed, 111 insertions, 13 deletions
diff --git a/src/gui/rhi/qrhigles2.cpp b/src/gui/rhi/qrhigles2.cpp index dfa0351a8d..11beda5b92 100644 --- a/src/gui/rhi/qrhigles2.cpp +++ b/src/gui/rhi/qrhigles2.cpp @@ -39,6 +39,7 @@ #include <QOffscreenSurface> #include <QOpenGLContext> #include <QtGui/private/qopenglextensions_p.h> +#include <QtGui/private/qopenglprogrambinarycache_p.h> #include <qmath.h> QT_BEGIN_NAMESPACE @@ -275,6 +276,8 @@ QT_BEGIN_NAMESPACE #define GL_POINT_SPRITE 0x8861 #endif +Q_DECLARE_LOGGING_CATEGORY(lcOpenGLProgramDiskCache) + /*! Constructs a new QRhiGles2InitParams. @@ -2709,8 +2712,7 @@ static inline GLenum toGlShaderType(QRhiShaderStage::Type type) } } -bool QRhiGles2::compileShader(GLuint program, const QRhiShaderStage &shaderStage, - QShaderDescription *desc, int *glslVersionUsed) +QByteArray QRhiGles2::shaderSource(const QRhiShaderStage &shaderStage, int *glslVersion) { const QShader bakedShader = shaderStage.shader(); QVector<int> versionsToTry; @@ -2729,8 +2731,8 @@ bool QRhiGles2::compileShader(GLuint program, const QRhiShaderStage &shaderStage QShaderVersion ver(v, QShaderVersion::GlslEs); source = bakedShader.shader({ QShader::GlslShader, ver, shaderStage.shaderVariant() }).shader(); if (!source.isEmpty()) { - if (glslVersionUsed) - *glslVersionUsed = v; + if (glslVersion) + *glslVersion = v; break; } } @@ -2759,8 +2761,8 @@ bool QRhiGles2::compileShader(GLuint program, const QRhiShaderStage &shaderStage for (int v : versionsToTry) { source = bakedShader.shader({ QShader::GlslShader, v, shaderStage.shaderVariant() }).shader(); if (!source.isEmpty()) { - if (glslVersionUsed) - *glslVersionUsed = v; + if (glslVersion) + *glslVersion = v; break; } } @@ -2768,8 +2770,15 @@ bool QRhiGles2::compileShader(GLuint program, const QRhiShaderStage &shaderStage if (source.isEmpty()) { qWarning() << "No GLSL shader code found (versions tried: " << versionsToTry << ") in baked shader" << bakedShader; - return false; } + return source; +} + +bool QRhiGles2::compileShader(GLuint program, const QRhiShaderStage &shaderStage, int *glslVersion) +{ + const QByteArray source = shaderSource(shaderStage, glslVersion); + if (source.isEmpty()) + return false; GLuint shader; auto cacheIt = m_shaderCache.constFind(shaderStage); @@ -2806,7 +2815,6 @@ bool QRhiGles2::compileShader(GLuint program, const QRhiShaderStage &shaderStage f->glAttachShader(program, shader); - *desc = bakedShader.description(); return true; } @@ -2861,6 +2869,68 @@ void QRhiGles2::gatherSamplers(GLuint program, const QShaderDescription::InOutVa } } +bool QRhiGles2::isProgramBinaryDiskCacheEnabled() const +{ + static QOpenGLProgramBinarySupportCheckWrapper checker; + return checker.get(ctx)->isSupported(); +} + +static QOpenGLProgramBinaryCache qrhi_programBinaryCache; + +static inline QShader::Stage toShaderStage(QRhiShaderStage::Type type) +{ + switch (type) { + case QRhiShaderStage::Vertex: + return QShader::VertexStage; + case QRhiShaderStage::Fragment: + return QShader::FragmentStage; + case QRhiShaderStage::Compute: + return QShader::ComputeStage; + default: + Q_UNREACHABLE(); + return QShader::VertexStage; + } +} + +QRhiGles2::DiskCacheResult QRhiGles2::tryLoadFromDiskCache(const QRhiShaderStage *stages, int stageCount, + GLuint program, QByteArray *cacheKey) +{ + QRhiGles2::DiskCacheResult result = QRhiGles2::DiskCacheMiss; + QByteArray diskCacheKey; + + if (isProgramBinaryDiskCacheEnabled()) { + QOpenGLProgramBinaryCache::ProgramDesc binaryProgram; + for (int i = 0; i < stageCount; ++i) { + const QRhiShaderStage &stage(stages[i]); + const QByteArray source = shaderSource(stage, nullptr); + if (source.isEmpty()) + return QRhiGles2::DiskCacheError; + binaryProgram.shaders.append(QOpenGLProgramBinaryCache::ShaderDesc(toShaderStage(stage.type()), source)); + } + + diskCacheKey = binaryProgram.cacheKey(); + if (qrhi_programBinaryCache.load(diskCacheKey, program)) { + qCDebug(lcOpenGLProgramDiskCache, "Program binary received from cache, program %u, key %s", + program, diskCacheKey.constData()); + result = QRhiGles2::DiskCacheHit; + } + } + + if (cacheKey) + *cacheKey = diskCacheKey; + + return result; +} + +void QRhiGles2::trySaveToDiskCache(GLuint program, const QByteArray &cacheKey) +{ + if (isProgramBinaryDiskCacheEnabled()) { + qCDebug(lcOpenGLProgramDiskCache, "Saving program binary, program %u, key %s", + program, cacheKey.constData()); + qrhi_programBinaryCache.save(cacheKey, program); + } +} + QGles2Buffer::QGles2Buffer(QRhiImplementation *rhi, Type type, UsageFlags usage, int size) : QRhiBuffer(rhi, type, usage, size) { @@ -3547,17 +3617,29 @@ bool QGles2GraphicsPipeline::build() program = rhiD->f->glCreateProgram(); + QByteArray diskCacheKey; + QRhiGles2::DiskCacheResult diskCacheResult = rhiD->tryLoadFromDiskCache(m_shaderStages.constData(), + m_shaderStages.count(), + program, + &diskCacheKey); + if (diskCacheResult == QRhiGles2::DiskCacheError) + return false; + + const bool needsCompile = diskCacheResult == QRhiGles2::DiskCacheMiss; + QShaderDescription vsDesc; QShaderDescription fsDesc; for (const QRhiShaderStage &shaderStage : qAsConst(m_shaderStages)) { const bool isVertex = shaderStage.type() == QRhiShaderStage::Vertex; const bool isFragment = shaderStage.type() == QRhiShaderStage::Fragment; if (isVertex) { - if (!rhiD->compileShader(program, shaderStage, &vsDesc, nullptr)) + if (needsCompile && !rhiD->compileShader(program, shaderStage, nullptr)) return false; + vsDesc = shaderStage.shader().description(); } else if (isFragment) { - if (!rhiD->compileShader(program, shaderStage, &fsDesc, nullptr)) + if (needsCompile && !rhiD->compileShader(program, shaderStage, nullptr)) return false; + fsDesc = shaderStage.shader().description(); } } @@ -3566,9 +3648,12 @@ bool QGles2GraphicsPipeline::build() rhiD->f->glBindAttribLocation(program, GLuint(inVar.location), name.constData()); } - if (!rhiD->linkProgram(program)) + if (needsCompile && !rhiD->linkProgram(program)) return false; + if (needsCompile) + rhiD->trySaveToDiskCache(program, diskCacheKey); + for (const QShaderDescription::UniformBlock &ub : vsDesc.uniformBlocks()) rhiD->gatherUniforms(program, ub, &uniforms); @@ -3629,11 +3714,24 @@ bool QGles2ComputePipeline::build() program = rhiD->f->glCreateProgram(); QShaderDescription csDesc; - if (!rhiD->compileShader(program, m_shaderStage, &csDesc, nullptr)) + QByteArray diskCacheKey; + QRhiGles2::DiskCacheResult diskCacheResult = rhiD->tryLoadFromDiskCache(&m_shaderStage, 1, program, &diskCacheKey); + if (diskCacheResult == QRhiGles2::DiskCacheError) return false; - if (!rhiD->linkProgram(program)) + + const bool needsCompile = diskCacheResult == QRhiGles2::DiskCacheMiss; + + if (needsCompile && !rhiD->compileShader(program, m_shaderStage, nullptr)) return false; + csDesc = m_shaderStage.shader().description(); + + if (needsCompile && !rhiD->linkProgram(program)) + return false; + + if (needsCompile) + rhiD->trySaveToDiskCache(program, diskCacheKey); + for (const QShaderDescription::UniformBlock &ub : csDesc.uniformBlocks()) rhiD->gatherUniforms(program, ub, &uniforms); for (const QShaderDescription::InOutVariable &v : csDesc.combinedImageSamplers()) |