diff options
Diffstat (limited to 'src/opengl/gl2paintengineex/qglengineshadermanager.cpp')
| -rw-r--r-- | src/opengl/gl2paintengineex/qglengineshadermanager.cpp | 244 |
1 files changed, 163 insertions, 81 deletions
diff --git a/src/opengl/gl2paintengineex/qglengineshadermanager.cpp b/src/opengl/gl2paintengineex/qglengineshadermanager.cpp index 8a8f483..556b888 100644 --- a/src/opengl/gl2paintengineex/qglengineshadermanager.cpp +++ b/src/opengl/gl2paintengineex/qglengineshadermanager.cpp @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** @@ -170,13 +170,15 @@ QGLEngineSharedShaders::QGLEngineSharedShaders(const QGLContext* context) source.append(qShaderSnippets[MainVertexShader]); source.append(qShaderSnippets[PositionOnlyVertexShader]); vertexShader = new QGLShader(QGLShader::Vertex, context, this); - vertexShader->compileSourceCode(source); + if (!vertexShader->compileSourceCode(source)) + qWarning("Vertex shader for simpleShaderProg (MainVertexShader & PositionOnlyVertexShader) failed to compile"); source.clear(); source.append(qShaderSnippets[MainFragmentShader]); source.append(qShaderSnippets[ShockingPinkSrcFragmentShader]); fragShader = new QGLShader(QGLShader::Fragment, context, this); - fragShader->compileSourceCode(source); + if (!fragShader->compileSourceCode(source)) + qWarning("Fragment shader for simpleShaderProg (MainFragmentShader & ShockingPinkSrcFragmentShader) failed to compile"); simpleShaderProg = new QGLShaderProgram(context, this); simpleShaderProg->addShader(vertexShader); @@ -193,13 +195,15 @@ QGLEngineSharedShaders::QGLEngineSharedShaders(const QGLContext* context) source.append(qShaderSnippets[MainWithTexCoordsVertexShader]); source.append(qShaderSnippets[UntransformedPositionVertexShader]); vertexShader = new QGLShader(QGLShader::Vertex, context, this); - vertexShader->compileSourceCode(source); + if (!vertexShader->compileSourceCode(source)) + qWarning("Vertex shader for blitShaderProg (MainWithTexCoordsVertexShader & UntransformedPositionVertexShader) failed to compile"); source.clear(); source.append(qShaderSnippets[MainFragmentShader]); source.append(qShaderSnippets[ImageSrcFragmentShader]); fragShader = new QGLShader(QGLShader::Fragment, context, this); - fragShader->compileSourceCode(source); + if (!fragShader->compileSourceCode(source)) + qWarning("Fragment shader for blitShaderProg (MainFragmentShader & ImageSrcFragmentShader) failed to compile"); blitShaderProg = new QGLShaderProgram(context, this); blitShaderProg->addShader(vertexShader); @@ -214,6 +218,23 @@ QGLEngineSharedShaders::QGLEngineSharedShaders(const QGLContext* context) } +QGLEngineSharedShaders::~QGLEngineSharedShaders() +{ + QList<QGLEngineShaderProg*>::iterator itr; + for (itr = cachedPrograms.begin(); itr != cachedPrograms.end(); ++itr) + delete *itr; + + if (blitShaderProg) { + delete blitShaderProg; + blitShaderProg = 0; + } + + if (simpleShaderProg) { + delete simpleShaderProg; + simpleShaderProg = 0; + } +} + #if defined (QT_DEBUG) QByteArray QGLEngineSharedShaders::snippetNameStr(SnippetName name) { @@ -234,84 +255,95 @@ QGLEngineShaderProg *QGLEngineSharedShaders::findProgramInCache(const QGLEngineS } } - QByteArray source; - source.append(qShaderSnippets[prog.mainFragShader]); - source.append(qShaderSnippets[prog.srcPixelFragShader]); - if (prog.srcPixelFragShader == CustomImageSrcFragmentShader) - source.append(prog.customStageSource); - if (prog.compositionFragShader) - source.append(qShaderSnippets[prog.compositionFragShader]); - if (prog.maskFragShader) - source.append(qShaderSnippets[prog.maskFragShader]); - QGLShader* fragShader = new QGLShader(QGLShader::Fragment, ctxGuard.context(), this); - fragShader->compileSourceCode(source); - - source.clear(); - source.append(qShaderSnippets[prog.mainVertexShader]); - source.append(qShaderSnippets[prog.positionVertexShader]); - QGLShader* vertexShader = new QGLShader(QGLShader::Vertex, ctxGuard.context(), this); - vertexShader->compileSourceCode(source); + QGLShader *vertexShader = 0; + QGLShader *fragShader = 0; + QGLEngineShaderProg *newProg = 0; + bool success = false; + + do { + QByteArray source; + source.append(qShaderSnippets[prog.mainFragShader]); + source.append(qShaderSnippets[prog.srcPixelFragShader]); + if (prog.srcPixelFragShader == CustomImageSrcFragmentShader) + source.append(prog.customStageSource); + if (prog.compositionFragShader) + source.append(qShaderSnippets[prog.compositionFragShader]); + if (prog.maskFragShader) + source.append(qShaderSnippets[prog.maskFragShader]); + fragShader = new QGLShader(QGLShader::Fragment, ctxGuard.context(), this); + QByteArray description; +#if defined(QT_DEBUG) + // Name the shader for easier debugging + description.append("Fragment shader: main="); + description.append(snippetNameStr(prog.mainFragShader)); + description.append(", srcPixel="); + description.append(snippetNameStr(prog.srcPixelFragShader)); + if (prog.compositionFragShader) { + description.append(", composition="); + description.append(snippetNameStr(prog.compositionFragShader)); + } + if (prog.maskFragShader) { + description.append(", mask="); + description.append(snippetNameStr(prog.maskFragShader)); + } + fragShader->setObjectName(QString::fromLatin1(description)); +#endif + if (!fragShader->compileSourceCode(source)) { + qWarning() << "Warning:" << description << "failed to compile!"; + break; + } + source.clear(); + source.append(qShaderSnippets[prog.mainVertexShader]); + source.append(qShaderSnippets[prog.positionVertexShader]); + vertexShader = new QGLShader(QGLShader::Vertex, ctxGuard.context(), this); #if defined(QT_DEBUG) - // Name the shaders for easier debugging - QByteArray description; - description.append("Fragment shader: main="); - description.append(snippetNameStr(prog.mainFragShader)); - description.append(", srcPixel="); - description.append(snippetNameStr(prog.srcPixelFragShader)); - if (prog.compositionFragShader) { - description.append(", composition="); - description.append(snippetNameStr(prog.compositionFragShader)); - } - if (prog.maskFragShader) { - description.append(", mask="); - description.append(snippetNameStr(prog.maskFragShader)); - } - fragShader->setObjectName(QString::fromLatin1(description)); - - description.clear(); - description.append("Vertex shader: main="); - description.append(snippetNameStr(prog.mainVertexShader)); - description.append(", position="); - description.append(snippetNameStr(prog.positionVertexShader)); - vertexShader->setObjectName(QString::fromLatin1(description)); + // Name the shader for easier debugging + description.clear(); + description.append("Vertex shader: main="); + description.append(snippetNameStr(prog.mainVertexShader)); + description.append(", position="); + description.append(snippetNameStr(prog.positionVertexShader)); + vertexShader->setObjectName(QString::fromLatin1(description)); #endif + if (!vertexShader->compileSourceCode(source)) { + qWarning() << "Warning:" << description << "failed to compile!"; + break; + } - QGLEngineShaderProg* newProg = new QGLEngineShaderProg(prog); - - // If the shader program's not found in the cache, create it now. - newProg->program = new QGLShaderProgram(ctxGuard.context(), this); - newProg->program->addShader(vertexShader); - newProg->program->addShader(fragShader); - - // We have to bind the vertex attribute names before the program is linked: - newProg->program->bindAttributeLocation("vertexCoordsArray", QT_VERTEX_COORDS_ATTR); - if (newProg->useTextureCoords) - newProg->program->bindAttributeLocation("textureCoordArray", QT_TEXTURE_COORDS_ATTR); - if (newProg->useOpacityAttribute) - newProg->program->bindAttributeLocation("opacityArray", QT_OPACITY_ATTR); - - newProg->program->link(); - if (!newProg->program->isLinked()) { - QLatin1String none("none"); - QLatin1String br("\n"); - QString error; - error = QLatin1String("Shader program failed to link,") + newProg = new QGLEngineShaderProg(prog); + + // If the shader program's not found in the cache, create it now. + newProg->program = new QGLShaderProgram(ctxGuard.context(), this); + newProg->program->addShader(vertexShader); + newProg->program->addShader(fragShader); + + // We have to bind the vertex attribute names before the program is linked: + newProg->program->bindAttributeLocation("vertexCoordsArray", QT_VERTEX_COORDS_ATTR); + if (newProg->useTextureCoords) + newProg->program->bindAttributeLocation("textureCoordArray", QT_TEXTURE_COORDS_ATTR); + if (newProg->useOpacityAttribute) + newProg->program->bindAttributeLocation("opacityArray", QT_OPACITY_ATTR); + + newProg->program->link(); + if (!newProg->program->isLinked()) { + QLatin1String none("none"); + QLatin1String br("\n"); + QString error; + error = QLatin1String("Shader program failed to link,") #if defined(QT_DEBUG) - + br - + QLatin1String(" Shaders Used:") + br - + QLatin1String(" ") + vertexShader->objectName() + QLatin1String(": ") + br - + QLatin1String(vertexShader->sourceCode()) + br - + QLatin1String(" ") + fragShader->objectName() + QLatin1String(": ") + br - + QLatin1String(fragShader->sourceCode()) + br + + br + + QLatin1String(" Shaders Used:") + br + + QLatin1String(" ") + vertexShader->objectName() + QLatin1String(": ") + br + + QLatin1String(vertexShader->sourceCode()) + br + + QLatin1String(" ") + fragShader->objectName() + QLatin1String(": ") + br + + QLatin1String(fragShader->sourceCode()) + br #endif - + QLatin1String(" Error Log:\n") - + QLatin1String(" ") + newProg->program->log(); - qWarning() << error; - delete newProg; // Deletes the QGLShaderProgram in it's destructor - newProg = 0; - } - else { + + QLatin1String(" Error Log:\n") + + QLatin1String(" ") + newProg->program->log(); + qWarning() << error; + break; + } if (cachedPrograms.count() > 30) { // The cache is full, so delete the last 5 programs in the list. // These programs will be least used, as a program us bumped to @@ -323,6 +355,22 @@ QGLEngineShaderProg *QGLEngineSharedShaders::findProgramInCache(const QGLEngineS } cachedPrograms.insert(0, newProg); + + success = true; + } while (false); + + // Clean up everything if we weren't successful + if (!success) { + if (newProg) { + delete newProg; // Also deletes the QGLShaderProgram which in turn deletes the QGLShaders + newProg = 0; + } + else { + if (vertexShader) + delete vertexShader; + if (fragShader) + delete fragShader; + } } return newProg; @@ -362,8 +410,11 @@ QGLEngineShaderManager::~QGLEngineShaderManager() removeCustomStage(); } -uint QGLEngineShaderManager::getUniformLocation(Uniform id) +GLuint QGLEngineShaderManager::getUniformLocation(Uniform id) { + if (!currentShaderProg) + return 0; + QVector<uint> &uniformLocations = currentShaderProg->uniformLocations; if (uniformLocations.isEmpty()) uniformLocations.fill(GLuint(-1), NumUniforms); @@ -394,9 +445,9 @@ uint QGLEngineShaderManager::getUniformLocation(Uniform id) } -void QGLEngineShaderManager::optimiseForBrushTransform(const QTransform &transform) +void QGLEngineShaderManager::optimiseForBrushTransform(QTransform::TransformationType transformType) { - Q_UNUSED(transform); // Currently ignored + Q_UNUSED(transformType); // Currently ignored } void QGLEngineShaderManager::setDirty() @@ -406,6 +457,7 @@ void QGLEngineShaderManager::setDirty() void QGLEngineShaderManager::setSrcPixelType(Qt::BrushStyle style) { + Q_ASSERT(style != Qt::NoBrush); if (srcPixelType == PixelSrcType(style)) return; @@ -467,7 +519,30 @@ void QGLEngineShaderManager::removeCustomStage() QGLShaderProgram* QGLEngineShaderManager::currentProgram() { - return currentShaderProg->program; + if (currentShaderProg) + return currentShaderProg->program; + else + return sharedShaders->simpleProgram(); +} + +void QGLEngineShaderManager::useSimpleProgram() +{ + sharedShaders->simpleProgram()->bind(); + QGLContextPrivate* ctx_d = ctx->d_func(); + ctx_d->setVertexAttribArrayEnabled(QT_VERTEX_COORDS_ATTR, true); + ctx_d->setVertexAttribArrayEnabled(QT_TEXTURE_COORDS_ATTR, false); + ctx_d->setVertexAttribArrayEnabled(QT_OPACITY_ATTR, false); + shaderProgNeedsChanging = true; +} + +void QGLEngineShaderManager::useBlitProgram() +{ + sharedShaders->blitProgram()->bind(); + QGLContextPrivate* ctx_d = ctx->d_func(); + ctx_d->setVertexAttribArrayEnabled(QT_VERTEX_COORDS_ATTR, true); + ctx_d->setVertexAttribArrayEnabled(QT_TEXTURE_COORDS_ATTR, true); + ctx_d->setVertexAttribArrayEnabled(QT_OPACITY_ATTR, false); + shaderProgNeedsChanging = true; } QGLShaderProgram* QGLEngineShaderManager::simpleProgram() @@ -678,6 +753,13 @@ bool QGLEngineShaderManager::useCorrectShaderProg() customSrcStage->setUniforms(currentShaderProg->program); } + // Make sure all the vertex attribute arrays the program uses are enabled (and the ones it + // doesn't use are disabled) + QGLContextPrivate* ctx_d = ctx->d_func(); + ctx_d->setVertexAttribArrayEnabled(QT_VERTEX_COORDS_ATTR, true); + ctx_d->setVertexAttribArrayEnabled(QT_TEXTURE_COORDS_ATTR, currentShaderProg->useTextureCoords); + ctx_d->setVertexAttribArrayEnabled(QT_OPACITY_ATTR, currentShaderProg->useOpacityAttribute); + shaderProgNeedsChanging = false; return true; } |