From b91f1a2f749586014e8b28c6766015ff6ba62ee7 Mon Sep 17 00:00:00 2001 From: Rhys Weatherley Date: Thu, 5 Nov 2009 10:25:12 +1000 Subject: Modify QGLShader and QGLShaderProgram in response to API review Reviewed-by: Sarah Smith --- demos/boxes/scene.cpp | 34 +-- .../snippets/code/src_opengl_qglshaderprogram.cpp | 15 +- examples/opengl/hellogl_es2/glwidget.cpp | 30 ++- examples/opengl/textures/glwidget.cpp | 12 +- .../gl2paintengineex/qglengineshadermanager.cpp | 26 +- .../gl2paintengineex/qpaintengineex_opengl2.cpp | 4 +- src/opengl/qglshaderprogram.cpp | 298 ++++++++++++--------- src/opengl/qglshaderprogram.h | 43 +-- src/opengl/qwindowsurface_gl.cpp | 2 +- 9 files changed, 257 insertions(+), 207 deletions(-) diff --git a/demos/boxes/scene.cpp b/demos/boxes/scene.cpp index a06e8a1..06dc0f9 100644 --- a/demos/boxes/scene.cpp +++ b/demos/boxes/scene.cpp @@ -552,14 +552,15 @@ void Scene::initGL() { m_box = new GLRoundedBox(0.25f, 1.0f, 10); - m_vertexShader = new QGLShader(":/res/boxes/basic.vsh", QGLShader::VertexShader); + m_vertexShader = new QGLShader(QGLShader::Vertex); + m_vertexShader->compileSourceFile(QLatin1String(":/res/boxes/basic.vsh")); QStringList list; list << ":/res/boxes/cubemap_posx.jpg" << ":/res/boxes/cubemap_negx.jpg" << ":/res/boxes/cubemap_posy.jpg" << ":/res/boxes/cubemap_negy.jpg" << ":/res/boxes/cubemap_posz.jpg" << ":/res/boxes/cubemap_negz.jpg"; m_environment = new GLTextureCube(list, qMin(1024, m_maxTextureSize)); - m_environmentShader = new QGLShader(QGLShader::FragmentShader); - m_environmentShader->compile(environmentShaderText); + m_environmentShader = new QGLShader(QGLShader::Fragment); + m_environmentShader->compileSourceCode(environmentShaderText); m_environmentProgram = new QGLShaderProgram; m_environmentProgram->addShader(m_vertexShader); m_environmentProgram->addShader(m_environmentShader); @@ -616,7 +617,8 @@ void Scene::initGL() files = QDir(":/res/boxes/").entryInfoList(filter, QDir::Files | QDir::Readable); foreach (QFileInfo file, files) { QGLShaderProgram *program = new QGLShaderProgram; - QGLShader* shader = new QGLShader(file.absoluteFilePath(), QGLShader::FragmentShader); + QGLShader* shader = new QGLShader(QGLShader::Fragment); + shader->compileSourceFile(file.absoluteFilePath()); // The program does not take ownership over the shaders, so store them in a vector so they can be deleted afterwards. program->addShader(m_vertexShader); program->addShader(shader); @@ -638,9 +640,9 @@ void Scene::initGL() m_programs << program; m_renderOptions->addShader(file.baseName()); - program->enable(); + program->bind(); m_cubemaps << ((program->uniformLocation("env") != -1) ? new GLRenderTargetCube(qMin(256, m_maxTextureSize)) : 0); - program->disable(); + program->release(); } if (m_programs.size() == 0) @@ -697,12 +699,12 @@ void Scene::renderBoxes(const QMatrix4x4 &view, int excludeBox) // Don't render the environment if the environment texture can't be set for the correct sampler. if (glActiveTexture) { m_environment->bind(); - m_environmentProgram->enable(); + m_environmentProgram->bind(); m_environmentProgram->setUniformValue("tex", GLint(0)); m_environmentProgram->setUniformValue("env", GLint(1)); m_environmentProgram->setUniformValue("noise", GLint(2)); m_box->draw(); - m_environmentProgram->disable(); + m_environmentProgram->release(); m_environment->unbind(); } @@ -730,14 +732,14 @@ void Scene::renderBoxes(const QMatrix4x4 &view, int excludeBox) else m_environment->bind(); } - m_programs[i]->enable(); + m_programs[i]->bind(); m_programs[i]->setUniformValue("tex", GLint(0)); m_programs[i]->setUniformValue("env", GLint(1)); m_programs[i]->setUniformValue("noise", GLint(2)); m_programs[i]->setUniformValue("view", view); m_programs[i]->setUniformValue("invView", invView); m_box->draw(); - m_programs[i]->disable(); + m_programs[i]->release(); if (glActiveTexture) { if (m_dynamicCubemap && m_cubemaps[i]) @@ -760,14 +762,14 @@ void Scene::renderBoxes(const QMatrix4x4 &view, int excludeBox) m_environment->bind(); } - m_programs[m_currentShader]->enable(); + m_programs[m_currentShader]->bind(); m_programs[m_currentShader]->setUniformValue("tex", GLint(0)); m_programs[m_currentShader]->setUniformValue("env", GLint(1)); m_programs[m_currentShader]->setUniformValue("noise", GLint(2)); m_programs[m_currentShader]->setUniformValue("view", view); m_programs[m_currentShader]->setUniformValue("invView", invView); m_box->draw(); - m_programs[m_currentShader]->disable(); + m_programs[m_currentShader]->release(); if (glActiveTexture) { if (m_dynamicCubemap) @@ -1046,9 +1048,9 @@ void Scene::setColorParameter(const QString &name, QRgb color) { // set the color in all programs foreach (QGLShaderProgram *program, m_programs) { - program->enable(); + program->bind(); program->setUniformValue(program->uniformLocation(name), QColor(color)); - program->disable(); + program->release(); } } @@ -1056,9 +1058,9 @@ void Scene::setFloatParameter(const QString &name, float value) { // set the color in all programs foreach (QGLShaderProgram *program, m_programs) { - program->enable(); + program->bind(); program->setUniformValue(program->uniformLocation(name), value); - program->disable(); + program->release(); } } diff --git a/doc/src/snippets/code/src_opengl_qglshaderprogram.cpp b/doc/src/snippets/code/src_opengl_qglshaderprogram.cpp index 2997297..9a15f19 100644 --- a/doc/src/snippets/code/src_opengl_qglshaderprogram.cpp +++ b/doc/src/snippets/code/src_opengl_qglshaderprogram.cpp @@ -40,32 +40,32 @@ ****************************************************************************/ //! [0] -QGLShader shader(QGLShader::VertexShader); -shader.compile(code); +QGLShader shader(QGLShader::Vertex); +shader.compileSourceCode(code); QGLShaderProgram program(context); program.addShader(shader); program.link(); -program.enable(); +program.bind(); //! [0] //! [1] -program.addShader(QGLShader::VertexShader, +program.addShaderFromSourceCode(QGLShader::Vertex, "attribute highp vec4 vertex;\n" "attribute mediump mat4 matrix;\n" "void main(void)\n" "{\n" " gl_Position = matrix * vertex;\n" "}"); -program.addShader(QGLShader::FragmentShader, +program.addShaderFromSourceCode(QGLShader::Fragment, "uniform mediump vec4 color;\n" "void main(void)\n" "{\n" " gl_FragColor = color;\n" "}"); program.link(); -program.enable(); +program.bind(); int vertexLocation = program.attributeLocation("vertex"); int matrixLocation = program.attributeLocation("matrix"); @@ -84,9 +84,12 @@ QColor color(0, 255, 0, 255); QMatrix4x4 pmvMatrix; pmvMatrix.ortho(rect()); +program.enableAttributeArray(vertexLocation); program.setAttributeArray(vertexLocation, triangleVertices, 3); program.setUniformValue(matrixLocation, pmvMatrix); program.setUniformValue(colorLocation, color); glDrawArrays(GL_TRIANGLES, 0, 3); + +program.disableAttributeArray(vertexLocation); //! [2] diff --git a/examples/opengl/hellogl_es2/glwidget.cpp b/examples/opengl/hellogl_es2/glwidget.cpp index a31c34a..08e887a 100644 --- a/examples/opengl/hellogl_es2/glwidget.cpp +++ b/examples/opengl/hellogl_es2/glwidget.cpp @@ -92,6 +92,8 @@ void GLWidget::showBubbles(bool bubbles) void GLWidget::paintQtLogo() { + program1.enableAttributeArray(normalAttr1); + program1.enableAttributeArray(vertexAttr1); program1.setAttributeArray(vertexAttr1, vertices.constData()); program1.setAttributeArray(normalAttr1, normals.constData()); glDrawArrays(GL_TRIANGLES, 0, vertices.size()); @@ -159,6 +161,10 @@ void GLWidget::paintTexturedCube() program2.setUniformValue(textureUniform2, 0); // use texture unit 0 + program2.enableAttributeArray(vertexAttr2); + program2.enableAttributeArray(normalAttr2); + program2.enableAttributeArray(texCoordAttr2); + glDrawArrays(GL_TRIANGLES, 0, 36); program2.disableAttributeArray(vertexAttr2); @@ -173,7 +179,7 @@ void GLWidget::initializeGL () glGenTextures(1, &m_uiTexture); m_uiTexture = bindTexture(QImage(":/qt.png")); - QGLShader *vshader1 = new QGLShader(QGLShader::VertexShader, this); + QGLShader *vshader1 = new QGLShader(QGLShader::Vertex, this); const char *vsrc1 = "attribute highp vec4 vertex;\n" "attribute mediump vec3 normal;\n" @@ -188,16 +194,16 @@ void GLWidget::initializeGL () " color = clamp(color, 0.0, 1.0);\n" " gl_Position = matrix * vertex;\n" "}\n"; - vshader1->compile(vsrc1); + vshader1->compileSourceCode(vsrc1); - QGLShader *fshader1 = new QGLShader(QGLShader::FragmentShader, this); + QGLShader *fshader1 = new QGLShader(QGLShader::Fragment, this); const char *fsrc1 = "varying mediump vec4 color;\n" "void main(void)\n" "{\n" " gl_FragColor = color;\n" "}\n"; - fshader1->compile(fsrc1); + fshader1->compileSourceCode(fsrc1); program1.addShader(vshader1); program1.addShader(fshader1); @@ -207,7 +213,7 @@ void GLWidget::initializeGL () normalAttr1 = program1.attributeLocation("normal"); matrixUniform1 = program1.uniformLocation("matrix"); - QGLShader *vshader2 = new QGLShader(QGLShader::VertexShader); + QGLShader *vshader2 = new QGLShader(QGLShader::Vertex); const char *vsrc2 = "attribute highp vec4 vertex;\n" "attribute highp vec4 texCoord;\n" @@ -222,9 +228,9 @@ void GLWidget::initializeGL () " gl_Position = matrix * vertex;\n" " texc = texCoord;\n" "}\n"; - vshader2->compile(vsrc2); + vshader2->compileSourceCode(vsrc2); - QGLShader *fshader2 = new QGLShader(QGLShader::FragmentShader); + QGLShader *fshader2 = new QGLShader(QGLShader::Fragment); const char *fsrc2 = "varying highp vec4 texc;\n" "uniform sampler2D tex;\n" @@ -235,7 +241,7 @@ void GLWidget::initializeGL () " color = color * 0.2 + color * 0.8 * angle;\n" " gl_FragColor = vec4(clamp(color, 0.0, 1.0), 1.0);\n" "}\n"; - fshader2->compile(fsrc2); + fshader2->compileSourceCode(fsrc2); program2.addShader(vshader2); program2.addShader(fshader2); @@ -284,15 +290,15 @@ void GLWidget::paintGL() modelview.translate(0.0f, -0.2f, 0.0f); if (qtLogo) { - program1.enable(); + program1.bind(); program1.setUniformValue(matrixUniform1, modelview); paintQtLogo(); - program1.disable(); + program1.release(); } else { - program2.enable(); + program2.bind(); program1.setUniformValue(matrixUniform2, modelview); paintTexturedCube(); - program2.disable(); + program2.release(); } glDisable(GL_DEPTH_TEST); diff --git a/examples/opengl/textures/glwidget.cpp b/examples/opengl/textures/glwidget.cpp index 6efd31a..0f50e2d 100644 --- a/examples/opengl/textures/glwidget.cpp +++ b/examples/opengl/textures/glwidget.cpp @@ -99,7 +99,7 @@ void GLWidget::initializeGL() #define PROGRAM_VERTEX_ATTRIBUTE 0 #define PROGRAM_TEXCOORD_ATTRIBUTE 1 - QGLShader *vshader = new QGLShader(QGLShader::VertexShader, this); + QGLShader *vshader = new QGLShader(QGLShader::Vertex, this); const char *vsrc = "attribute highp vec4 vertex;\n" "attribute mediump vec4 texCoord;\n" @@ -110,9 +110,9 @@ void GLWidget::initializeGL() " gl_Position = matrix * vertex;\n" " texc = texCoord;\n" "}\n"; - vshader->compile(vsrc); + vshader->compileSourceCode(vsrc); - QGLShader *fshader = new QGLShader(QGLShader::FragmentShader, this); + QGLShader *fshader = new QGLShader(QGLShader::Fragment, this); const char *fsrc = "uniform sampler2D texture;\n" "varying mediump vec4 texc;\n" @@ -120,7 +120,7 @@ void GLWidget::initializeGL() "{\n" " gl_FragColor = texture2D(texture, texc.st);\n" "}\n"; - fshader->compile(fsrc); + fshader->compileSourceCode(fsrc); program = new QGLShaderProgram(this); program->addShader(vshader); @@ -129,7 +129,7 @@ void GLWidget::initializeGL() program->bindAttributeLocation("texCoord", PROGRAM_TEXCOORD_ATTRIBUTE); program->link(); - program->enable(); + program->bind(); program->setUniformValue("texture", 0); #endif @@ -163,6 +163,8 @@ void GLWidget::paintGL() m.rotate(zRot / 16.0f, 0.0f, 0.0f, 1.0f); program->setUniformValue("matrix", m); + program->enableAttributeArray(PROGRAM_VERTEX_ATTRIBUTE); + program->enableAttributeArray(PROGRAM_TEXCOORD_ATTRIBUTE); program->setAttributeArray (PROGRAM_VERTEX_ATTRIBUTE, vertices.constData()); program->setAttributeArray diff --git a/src/opengl/gl2paintengineex/qglengineshadermanager.cpp b/src/opengl/gl2paintengineex/qglengineshadermanager.cpp index 40a6241..8a8f483 100644 --- a/src/opengl/gl2paintengineex/qglengineshadermanager.cpp +++ b/src/opengl/gl2paintengineex/qglengineshadermanager.cpp @@ -169,14 +169,14 @@ QGLEngineSharedShaders::QGLEngineSharedShaders(const QGLContext* context) source.clear(); source.append(qShaderSnippets[MainVertexShader]); source.append(qShaderSnippets[PositionOnlyVertexShader]); - vertexShader = new QGLShader(QGLShader::VertexShader, context, this); - vertexShader->compile(source); + vertexShader = new QGLShader(QGLShader::Vertex, context, this); + vertexShader->compileSourceCode(source); source.clear(); source.append(qShaderSnippets[MainFragmentShader]); source.append(qShaderSnippets[ShockingPinkSrcFragmentShader]); - fragShader = new QGLShader(QGLShader::FragmentShader, context, this); - fragShader->compile(source); + fragShader = new QGLShader(QGLShader::Fragment, context, this); + fragShader->compileSourceCode(source); simpleShaderProg = new QGLShaderProgram(context, this); simpleShaderProg->addShader(vertexShader); @@ -192,14 +192,14 @@ QGLEngineSharedShaders::QGLEngineSharedShaders(const QGLContext* context) source.clear(); source.append(qShaderSnippets[MainWithTexCoordsVertexShader]); source.append(qShaderSnippets[UntransformedPositionVertexShader]); - vertexShader = new QGLShader(QGLShader::VertexShader, context, this); - vertexShader->compile(source); + vertexShader = new QGLShader(QGLShader::Vertex, context, this); + vertexShader->compileSourceCode(source); source.clear(); source.append(qShaderSnippets[MainFragmentShader]); source.append(qShaderSnippets[ImageSrcFragmentShader]); - fragShader = new QGLShader(QGLShader::FragmentShader, context, this); - fragShader->compile(source); + fragShader = new QGLShader(QGLShader::Fragment, context, this); + fragShader->compileSourceCode(source); blitShaderProg = new QGLShaderProgram(context, this); blitShaderProg->addShader(vertexShader); @@ -243,14 +243,14 @@ QGLEngineShaderProg *QGLEngineSharedShaders::findProgramInCache(const QGLEngineS source.append(qShaderSnippets[prog.compositionFragShader]); if (prog.maskFragShader) source.append(qShaderSnippets[prog.maskFragShader]); - QGLShader* fragShader = new QGLShader(QGLShader::FragmentShader, ctxGuard.context(), this); - fragShader->compile(source); + 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::VertexShader, ctxGuard.context(), this); - vertexShader->compile(source); + QGLShader* vertexShader = new QGLShader(QGLShader::Vertex, ctxGuard.context(), this); + vertexShader->compileSourceCode(source); #if defined(QT_DEBUG) // Name the shaders for easier debugging @@ -673,7 +673,7 @@ bool QGLEngineShaderManager::useCorrectShaderProg() currentShaderProg = sharedShaders->findProgramInCache(requiredProgram); if (currentShaderProg) { - currentShaderProg->program->enable(); + currentShaderProg->program->bind(); if (useCustomSrc) customSrcStage->setUniforms(currentShaderProg->program); } diff --git a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp index a9744b3..d20700f 100644 --- a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp +++ b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp @@ -246,7 +246,7 @@ void QGLTextureGlyphCache::resizeTextureData(int width, int height) glVertexAttribPointer(QT_VERTEX_COORDS_ATTR, 2, GL_FLOAT, GL_FALSE, 0, vertexCoordinateArray); glVertexAttribPointer(QT_TEXTURE_COORDS_ATTR, 2, GL_FLOAT, GL_FALSE, 0, textureCoordinateArray); - pex->shaderManager->blitProgram()->enable(); + pex->shaderManager->blitProgram()->bind(); pex->shaderManager->blitProgram()->setUniformValue("imageTexture", QT_IMAGE_TEXTURE_UNIT); pex->shaderManager->setDirty(); @@ -395,7 +395,7 @@ void QGL2PaintEngineExPrivate::setBrush(const QBrush* brush) void QGL2PaintEngineExPrivate::useSimpleShader() { - shaderManager->simpleProgram()->enable(); + shaderManager->simpleProgram()->bind(); shaderManager->setDirty(); if (matrixDirty) diff --git a/src/opengl/qglshaderprogram.cpp b/src/opengl/qglshaderprogram.cpp index e28c382..b4191dc 100644 --- a/src/opengl/qglshaderprogram.cpp +++ b/src/opengl/qglshaderprogram.cpp @@ -69,7 +69,7 @@ QT_BEGIN_NAMESPACE The following example creates a vertex shader program using the supplied source \c{code}. Once compiled and linked, the shader program is activated in the current QGLContext by calling - QGLShaderProgram::enable(): + QGLShaderProgram::bind(): \snippet doc/src/snippets/code/src_opengl_qglshaderprogram.cpp 0 @@ -125,11 +125,11 @@ QT_BEGIN_NAMESPACE */ /*! - \enum QGLShader::ShaderTypeBits + \enum QGLShader::ShaderTypeBit This enum specifies the type of QGLShader that is being created. - \value VertexShader Vertex shader written in the OpenGL Shading Language (GLSL). - \value FragmentShader Fragment shader written in the OpenGL Shading Language (GLSL). + \value Vertex Vertex shader written in the OpenGL Shading Language (GLSL). + \value Fragment Fragment shader written in the OpenGL Shading Language (GLSL). */ #ifndef GL_FRAGMENT_SHADER @@ -211,7 +211,7 @@ bool QGLShaderPrivate::create() return false; if (qt_resolve_glsl_extensions(const_cast(context))) { GLuint shader; - if (shaderType == QGLShader::VertexShader) + if (shaderType == QGLShader::Vertex) shader = glCreateShader(GL_VERTEX_SHADER); else shader = glCreateShader(GL_FRAGMENT_SHADER); @@ -266,14 +266,14 @@ void QGLShaderPrivate::deleteShader() /*! Constructs a new QGLShader object of the specified \a type and attaches it to \a parent. If shader programs are not supported, - QGLShaderProgram::hasShaderPrograms() will return false. + QGLShaderProgram::hasOpenGLShaderPrograms() will return false. - This constructor is normally followed by a call to compile() - or compileFile(). + This constructor is normally followed by a call to compileSourceCode() + or compileSourceFile(). The shader will be associated with the current QGLContext. - \sa compile(), compileFile() + \sa compileSourceCode(), compileSourceFile() */ QGLShader::QGLShader(QGLShader::ShaderType type, QObject *parent) : QObject(*new QGLShaderPrivate(QGLContext::currentContext(), type), parent) @@ -283,45 +283,19 @@ QGLShader::QGLShader(QGLShader::ShaderType type, QObject *parent) } /*! - Constructs a new QGLShader object of the specified \a type from the - source code in \a fileName and attaches it to \a parent. - If the shader could not be loaded, then isCompiled() will return false. - - The shader will be associated with the current QGLContext. - - \sa isCompiled() -*/ -QGLShader::QGLShader - (const QString& fileName, QGLShader::ShaderType type, QObject *parent) - : QObject(*new QGLShaderPrivate(QGLContext::currentContext(), type), parent) -{ - Q_D(QGLShader); - if (d->create() && !compileFile(fileName)) - d->deleteShader(); -} - -static inline const QGLContext *contextOrCurrent(const QGLContext *context) -{ - if (context) - return context; - else - return QGLContext::currentContext(); -} - -/*! Constructs a new QGLShader object of the specified \a type and attaches it to \a parent. If shader programs are not supported, - then QGLShaderProgram::hasShaderPrograms() will return false. + then QGLShaderProgram::hasOpenGLShaderPrograms() will return false. - This constructor is normally followed by a call to compile() - or compileFile(). + This constructor is normally followed by a call to compileSourceCode() + or compileSourceFile(). The shader will be associated with \a context. - \sa compile(), compileFile() + \sa compileSourceCode(), compileSourceFile() */ QGLShader::QGLShader(QGLShader::ShaderType type, const QGLContext *context, QObject *parent) - : QObject(*new QGLShaderPrivate(contextOrCurrent(context), type), parent) + : QObject(*new QGLShaderPrivate(context ? context : QGLContext::currentContext(), type), parent) { Q_D(QGLShader); #ifndef QT_NO_DEBUG @@ -334,30 +308,6 @@ QGLShader::QGLShader(QGLShader::ShaderType type, const QGLContext *context, QObj } /*! - Constructs a new QGLShader object of the specified \a type from the - source code in \a fileName and attaches it to \a parent. - If the shader could not be loaded, then isCompiled() will return false. - - The shader will be associated with \a context. - - \sa isCompiled() -*/ -QGLShader::QGLShader - (const QString& fileName, QGLShader::ShaderType type, const QGLContext *context, QObject *parent) - : QObject(*new QGLShaderPrivate(contextOrCurrent(context), type), parent) -{ - Q_D(QGLShader); -#ifndef QT_NO_DEBUG - if (context && !QGLContext::areSharing(context, QGLContext::currentContext())) { - qWarning("QGLShader::QGLShader: \'context\' must be current context or sharing with it."); - return; - } -#endif - if (d->create() && !compileFile(fileName)) - d->deleteShader(); -} - -/*! Deletes this shader. If the shader has been attached to a QGLShaderProgram object, then the actual shader will stay around until the QGLShaderProgram is destroyed. @@ -400,9 +350,9 @@ static const char redefineHighp[] = Sets the \a source code for this shader and compiles it. Returns true if the source was successfully compiled, false otherwise. - \sa compileFile() + \sa compileSourceFile() */ -bool QGLShader::compile(const char *source) +bool QGLShader::compileSourceCode(const char *source) { Q_D(QGLShader); if (d->shaderGuard.id()) { @@ -431,7 +381,7 @@ bool QGLShader::compile(const char *source) srclen.append(GLint(sizeof(qualifierDefines) - 1)); #endif #ifdef QGL_REDEFINE_HIGHP - if (d->shaderType == FragmentShader) { + if (d->shaderType == Fragment) { src.append(redefineHighp); srclen.append(GLint(sizeof(redefineHighp) - 1)); } @@ -451,11 +401,11 @@ bool QGLShader::compile(const char *source) Sets the \a source code for this shader and compiles it. Returns true if the source was successfully compiled, false otherwise. - \sa compileFile() + \sa compileSourceFile() */ -bool QGLShader::compile(const QByteArray& source) +bool QGLShader::compileSourceCode(const QByteArray& source) { - return compile(source.constData()); + return compileSourceCode(source.constData()); } /*! @@ -464,11 +414,11 @@ bool QGLShader::compile(const QByteArray& source) Sets the \a source code for this shader and compiles it. Returns true if the source was successfully compiled, false otherwise. - \sa compileFile() + \sa compileSourceFile() */ -bool QGLShader::compile(const QString& source) +bool QGLShader::compileSourceCode(const QString& source) { - return compile(source.toLatin1().constData()); + return compileSourceCode(source.toLatin1().constData()); } /*! @@ -476,9 +426,9 @@ bool QGLShader::compile(const QString& source) and compiles it. Returns true if the file could be opened and the source compiled, false otherwise. - \sa compile() + \sa compileSourceCode() */ -bool QGLShader::compileFile(const QString& fileName) +bool QGLShader::compileSourceFile(const QString& fileName) { QFile file(fileName); if (!file.open(QFile::ReadOnly)) { @@ -487,13 +437,13 @@ bool QGLShader::compileFile(const QString& fileName) } QByteArray contents = file.readAll(); - return compile(contents.constData()); + return compileSourceCode(contents.constData()); } /*! Returns the source code for this shader. - \sa compile() + \sa compileSourceCode() */ QByteArray QGLShader::sourceCode() const { @@ -516,7 +466,7 @@ QByteArray QGLShader::sourceCode() const /*! Returns true if this shader has been compiled; false otherwise. - \sa compile() + \sa compileSourceCode(), compileSourceFile() */ bool QGLShader::isCompiled() const { @@ -527,7 +477,7 @@ bool QGLShader::isCompiled() const /*! Returns the errors and warnings that occurred during the last compile. - \sa compile() + \sa compileSourceCode(), compileSourceFile() */ QString QGLShader::log() const { @@ -666,6 +616,7 @@ bool QGLShaderProgram::init() is deleted. This allows the caller to add the same shader to multiple shader programs. + \sa addShaderFromSourceCode(), addShaderFromSourceFile() \sa removeShader(), link(), removeAllShaders() */ bool QGLShaderProgram::addShader(QGLShader *shader) @@ -705,15 +656,16 @@ bool QGLShaderProgram::addShader(QGLShader *shader) adding vertex and fragment shaders to a shader program without creating an instance of QGLShader first. + \sa addShader(), addShaderFromSourceFile() \sa removeShader(), link(), log(), removeAllShaders() */ -bool QGLShaderProgram::addShader(QGLShader::ShaderType type, const char *source) +bool QGLShaderProgram::addShaderFromSourceCode(QGLShader::ShaderType type, const char *source) { Q_D(QGLShaderProgram); if (!init()) return false; QGLShader *shader = new QGLShader(type, this); - if (!shader->compile(source)) { + if (!shader->compileSourceCode(source)) { d->log = shader->log(); delete shader; return false; @@ -734,11 +686,12 @@ bool QGLShaderProgram::addShader(QGLShader::ShaderType type, const char *source) adding vertex and fragment shaders to a shader program without creating an instance of QGLShader first. + \sa addShader(), addShaderFromSourceFile() \sa removeShader(), link(), log(), removeAllShaders() */ -bool QGLShaderProgram::addShader(QGLShader::ShaderType type, const QByteArray& source) +bool QGLShaderProgram::addShaderFromSourceCode(QGLShader::ShaderType type, const QByteArray& source) { - return addShader(type, source.constData()); + return addShaderFromSourceCode(type, source.constData()); } /*! @@ -753,11 +706,12 @@ bool QGLShaderProgram::addShader(QGLShader::ShaderType type, const QByteArray& s adding vertex and fragment shaders to a shader program without creating an instance of QGLShader first. + \sa addShader(), addShaderFromSourceFile() \sa removeShader(), link(), log(), removeAllShaders() */ -bool QGLShaderProgram::addShader(QGLShader::ShaderType type, const QString& source) +bool QGLShaderProgram::addShaderFromSourceCode(QGLShader::ShaderType type, const QString& source) { - return addShader(type, source.toLatin1().constData()); + return addShaderFromSourceCode(type, source.toLatin1().constData()); } /*! @@ -770,16 +724,16 @@ bool QGLShaderProgram::addShader(QGLShader::ShaderType type, const QString& sour adding vertex and fragment shaders to a shader program without creating an instance of QGLShader first. - \sa addShader() + \sa addShader(), addShaderFromSourceCode() */ -bool QGLShaderProgram::addShaderFromFile +bool QGLShaderProgram::addShaderFromSourceFile (QGLShader::ShaderType type, const QString& fileName) { Q_D(QGLShaderProgram); if (!init()) return false; QGLShader *shader = new QGLShader(type, this); - if (!shader->compileFile(fileName)) { + if (!shader->compileSourceFile(fileName)) { d->log = shader->log(); delete shader; return false; @@ -912,14 +866,16 @@ QString QGLShaderProgram::log() const } /*! - Enable use of this shader program in the currently active QGLContext. - Returns true if the program was successfully enabled; false - otherwise. If the shader program has not yet been linked, + Binds this shader program to the active QGLContext and makes + it the current shader program. Any previously bound shader program + is released. This is equivalent to calling \c{glUseProgram()} on + programId(). Returns true if the program was successfully bound; + false otherwise. If the shader program has not yet been linked, or it needs to be re-linked, this function will call link(). - \sa link(), disable() + \sa link(), release() */ -bool QGLShaderProgram::enable() +bool QGLShaderProgram::bind() { Q_D(QGLShaderProgram); GLuint program = d->programGuard.id(); @@ -927,6 +883,12 @@ bool QGLShaderProgram::enable() return false; if (!d->linked && !link()) return false; +#ifndef QT_NO_DEBUG + if (!QGLContext::areSharing(d->programGuard.context(), QGLContext::currentContext())) { + qWarning("QGLShaderProgram::bind: program is not valid in the current context."); + return false; + } +#endif glUseProgram(program); return true; } @@ -935,13 +897,18 @@ bool QGLShaderProgram::enable() #define ctx QGLContext::currentContext() /*! - Disables the active shader program in the current QGLContext. + Releases the active shader program from the current QGLContext. This is equivalent to calling \c{glUseProgram(0)}. - \sa enable() + \sa bind() */ -void QGLShaderProgram::disable() +void QGLShaderProgram::release() { +#ifndef QT_NO_DEBUG + Q_D(QGLShaderProgram); + if (!QGLContext::areSharing(d->programGuard.context(), QGLContext::currentContext())) + qWarning("QGLShaderProgram::release: program is not valid in the current context."); +#endif #if defined(QT_OPENGL_ES_2) glUseProgram(0); #else @@ -1331,22 +1298,26 @@ void QGLShaderProgram::setAttributeValue /*! Sets an array of vertex \a values on the attribute at \a location - in this shader program. The \a size indicates the number of + in this shader program. The \a tupleSize indicates the number of components per vertex (1, 2, 3, or 4), and the \a stride indicates the number of bytes between vertices. A default \a stride value of zero indicates that the vertices are densely packed in \a values. - \sa setAttributeValue(), setUniformValue(), disableAttributeArray() + The array will become active when enableAttributeArray() is called + on the \a location. Otherwise the value specified with + setAttributeValue() for \a location will be used. + + \sa setAttributeValue(), setUniformValue(), enableAttributeArray() + \sa disableAttributeArray() */ void QGLShaderProgram::setAttributeArray - (int location, const GLfloat *values, int size, int stride) + (int location, const GLfloat *values, int tupleSize, int stride) { Q_D(QGLShaderProgram); Q_UNUSED(d); if (location != -1) { - glVertexAttribPointer(location, size, GL_FLOAT, GL_FALSE, + glVertexAttribPointer(location, tupleSize, GL_FLOAT, GL_FALSE, stride, values); - glEnableVertexAttribArray(location); } } @@ -1356,7 +1327,12 @@ void QGLShaderProgram::setAttributeArray between vertices. A default \a stride value of zero indicates that the vertices are densely packed in \a values. - \sa setAttributeValue(), setUniformValue(), disableAttributeArray() + The array will become active when enableAttributeArray() is called + on the \a location. Otherwise the value specified with + setAttributeValue() for \a location will be used. + + \sa setAttributeValue(), setUniformValue(), enableAttributeArray() + \sa disableAttributeArray() */ void QGLShaderProgram::setAttributeArray (int location, const QVector2D *values, int stride) @@ -1366,7 +1342,6 @@ void QGLShaderProgram::setAttributeArray if (location != -1) { glVertexAttribPointer(location, 2, GL_FLOAT, GL_FALSE, stride, values); - glEnableVertexAttribArray(location); } } @@ -1376,7 +1351,12 @@ void QGLShaderProgram::setAttributeArray between vertices. A default \a stride value of zero indicates that the vertices are densely packed in \a values. - \sa setAttributeValue(), setUniformValue(), disableAttributeArray() + The array will become active when enableAttributeArray() is called + on the \a location. Otherwise the value specified with + setAttributeValue() for \a location will be used. + + \sa setAttributeValue(), setUniformValue(), enableAttributeArray() + \sa disableAttributeArray() */ void QGLShaderProgram::setAttributeArray (int location, const QVector3D *values, int stride) @@ -1386,7 +1366,6 @@ void QGLShaderProgram::setAttributeArray if (location != -1) { glVertexAttribPointer(location, 3, GL_FLOAT, GL_FALSE, stride, values); - glEnableVertexAttribArray(location); } } @@ -1396,7 +1375,12 @@ void QGLShaderProgram::setAttributeArray between vertices. A default \a stride value of zero indicates that the vertices are densely packed in \a values. - \sa setAttributeValue(), setUniformValue(), disableAttributeArray() + The array will become active when enableAttributeArray() is called + on the \a location. Otherwise the value specified with + setAttributeValue() for \a location will be used. + + \sa setAttributeValue(), setUniformValue(), enableAttributeArray() + \sa disableAttributeArray() */ void QGLShaderProgram::setAttributeArray (int location, const QVector4D *values, int stride) @@ -1406,7 +1390,6 @@ void QGLShaderProgram::setAttributeArray if (location != -1) { glVertexAttribPointer(location, 4, GL_FLOAT, GL_FALSE, stride, values); - glEnableVertexAttribArray(location); } } @@ -1414,17 +1397,22 @@ void QGLShaderProgram::setAttributeArray \overload Sets an array of vertex \a values on the attribute called \a name - in this shader program. The \a size indicates the number of + in this shader program. The \a tupleSize indicates the number of components per vertex (1, 2, 3, or 4), and the \a stride indicates the number of bytes between vertices. A default \a stride value of zero indicates that the vertices are densely packed in \a values. - \sa setAttributeValue(), setUniformValue(), disableAttributeArray() + The array will become active when enableAttributeArray() is called + on \a name. Otherwise the value specified with setAttributeValue() + for \a name will be used. + + \sa setAttributeValue(), setUniformValue(), enableAttributeArray() + \sa disableAttributeArray() */ void QGLShaderProgram::setAttributeArray - (const char *name, const GLfloat *values, int size, int stride) + (const char *name, const GLfloat *values, int tupleSize, int stride) { - setAttributeArray(attributeLocation(name), values, size, stride); + setAttributeArray(attributeLocation(name), values, tupleSize, stride); } /*! @@ -1435,7 +1423,12 @@ void QGLShaderProgram::setAttributeArray between vertices. A default \a stride value of zero indicates that the vertices are densely packed in \a values. - \sa setAttributeValue(), setUniformValue(), disableAttributeArray() + The array will become active when enableAttributeArray() is called + on \a name. Otherwise the value specified with setAttributeValue() + for \a name will be used. + + \sa setAttributeValue(), setUniformValue(), enableAttributeArray() + \sa disableAttributeArray() */ void QGLShaderProgram::setAttributeArray (const char *name, const QVector2D *values, int stride) @@ -1451,7 +1444,12 @@ void QGLShaderProgram::setAttributeArray between vertices. A default \a stride value of zero indicates that the vertices are densely packed in \a values. - \sa setAttributeValue(), setUniformValue(), disableAttributeArray() + The array will become active when enableAttributeArray() is called + on \a name. Otherwise the value specified with setAttributeValue() + for \a name will be used. + + \sa setAttributeValue(), setUniformValue(), enableAttributeArray() + \sa disableAttributeArray() */ void QGLShaderProgram::setAttributeArray (const char *name, const QVector3D *values, int stride) @@ -1467,7 +1465,12 @@ void QGLShaderProgram::setAttributeArray between vertices. A default \a stride value of zero indicates that the vertices are densely packed in \a values. - \sa setAttributeValue(), setUniformValue(), disableAttributeArray() + The array will become active when enableAttributeArray() is called + on \a name. Otherwise the value specified with setAttributeValue() + for \a name will be used. + + \sa setAttributeValue(), setUniformValue(), enableAttributeArray() + \sa disableAttributeArray() */ void QGLShaderProgram::setAttributeArray (const char *name, const QVector4D *values, int stride) @@ -1476,10 +1479,42 @@ void QGLShaderProgram::setAttributeArray } /*! + Enables the vertex array at \a location in this shader program + so that the value set by setAttributeArray() on \a location + will be used by the shader program. + + \sa disableAttributeArray(), setAttributeArray(), setAttributeValue() + \sa setUniformValue() +*/ +void QGLShaderProgram::enableAttributeArray(int location) +{ + Q_D(QGLShaderProgram); + Q_UNUSED(d); + if (location != -1) + glEnableVertexAttribArray(location); +} + +/*! + \overload + + Enables the vertex array called \a name in this shader program + so that the value set by setAttributeArray() on \a name + will be used by the shader program. + + \sa disableAttributeArray(), setAttributeArray(), setAttributeValue() + \sa setUniformValue() +*/ +void QGLShaderProgram::enableAttributeArray(const char *name) +{ + enableAttributeArray(attributeLocation(name)); +} + +/*! Disables the vertex array at \a location in this shader program - that was enabled by a previous call to setAttributeArray(). + that was enabled by a previous call to enableAttributeArray(). - \sa setAttributeArray(), setAttributeValue(), setUniformValue() + \sa enableAttributeArray(), setAttributeArray(), setAttributeValue() + \sa setUniformValue() */ void QGLShaderProgram::disableAttributeArray(int location) { @@ -1493,9 +1528,10 @@ void QGLShaderProgram::disableAttributeArray(int location) \overload Disables the vertex array called \a name in this shader program - that was enabled by a previous call to setAttributeArray(). + that was enabled by a previous call to enableAttributeArray(). - \sa setAttributeArray(), setAttributeValue(), setUniformValue() + \sa enableAttributeArray(), setAttributeArray(), setAttributeValue() + \sa setUniformValue() */ void QGLShaderProgram::disableAttributeArray(const char *name) { @@ -2363,25 +2399,25 @@ void QGLShaderProgram::setUniformValueArray /*! Sets the uniform variable array at \a location in the current context to the \a count elements of \a values. Each element - has \a size components. The \a size must be 1, 2, 3, or 4. + has \a tupleSize components. The \a tupleSize must be 1, 2, 3, or 4. \sa setAttributeValue() */ -void QGLShaderProgram::setUniformValueArray(int location, const GLfloat *values, int count, int size) +void QGLShaderProgram::setUniformValueArray(int location, const GLfloat *values, int count, int tupleSize) { Q_D(QGLShaderProgram); Q_UNUSED(d); if (location != -1) { - if (size == 1) + if (tupleSize == 1) glUniform1fv(location, count, values); - else if (size == 2) + else if (tupleSize == 2) glUniform2fv(location, count, values); - else if (size == 3) + else if (tupleSize == 3) glUniform3fv(location, count, values); - else if (size == 4) + else if (tupleSize == 4) glUniform4fv(location, count, values); else - qWarning() << "QGLShaderProgram::setUniformValue: size" << size << "not supported"; + qWarning() << "QGLShaderProgram::setUniformValue: size" << tupleSize << "not supported"; } } @@ -2390,14 +2426,14 @@ void QGLShaderProgram::setUniformValueArray(int location, const GLfloat *values, Sets the uniform variable array called \a name in the current context to the \a count elements of \a values. Each element - has \a size components. The \a size must be 1, 2, 3, or 4. + has \a tupleSize components. The \a tupleSize must be 1, 2, 3, or 4. \sa setAttributeValue() */ void QGLShaderProgram::setUniformValueArray - (const char *name, const GLfloat *values, int count, int size) + (const char *name, const GLfloat *values, int count, int tupleSize) { - setUniformValueArray(uniformLocation(name), values, count, size); + setUniformValueArray(uniformLocation(name), values, count, tupleSize); } /*! @@ -2800,7 +2836,7 @@ void QGLShaderProgram::setUniformValueArray(const char *name, const QMatrix4x4 * The \a context is used to resolve the GLSL extensions. If \a context is null, then QGLContext::currentContext() is used. */ -bool QGLShaderProgram::hasShaderPrograms(const QGLContext *context) +bool QGLShaderProgram::hasOpenGLShaderPrograms(const QGLContext *context) { #if !defined(QT_OPENGL_ES_2) if (!context) @@ -2825,8 +2861,6 @@ void QGLShaderProgram::shaderDestroyed() removeShader(shader); } -#endif - #ifdef Q_MAC_COMPAT_GL_FUNCTIONS /*! \internal */ void QGLShaderProgram::setUniformValue(int location, QMacCompatGLint value) @@ -2877,4 +2911,6 @@ void QGLShaderProgram::setUniformValueArray(const char *name, const QMacCompatGL } #endif +#endif // !defined(QT_OPENGL_ES_1_CL) && !defined(QT_OPENGL_ES_1) + QT_END_NAMESPACE diff --git a/src/opengl/qglshaderprogram.h b/src/opengl/qglshaderprogram.h index 49c3364..deeaee2 100644 --- a/src/opengl/qglshaderprogram.h +++ b/src/opengl/qglshaderprogram.h @@ -63,25 +63,23 @@ class Q_OPENGL_EXPORT QGLShader : public QObject { Q_OBJECT public: - enum ShaderTypeBits + enum ShaderTypeBit { - VertexShader = 0x0001, - FragmentShader = 0x0002 + Vertex = 0x0001, + Fragment = 0x0002 }; - Q_DECLARE_FLAGS(ShaderType, ShaderTypeBits) + Q_DECLARE_FLAGS(ShaderType, ShaderTypeBit) explicit QGLShader(QGLShader::ShaderType type, QObject *parent = 0); - QGLShader(const QString& fileName, QGLShader::ShaderType type, QObject *parent = 0); QGLShader(QGLShader::ShaderType type, const QGLContext *context, QObject *parent = 0); - QGLShader(const QString& fileName, QGLShader::ShaderType type, const QGLContext *context, QObject *parent = 0); virtual ~QGLShader(); QGLShader::ShaderType shaderType() const; - bool compile(const char *source); - bool compile(const QByteArray& source); - bool compile(const QString& source); - bool compileFile(const QString& fileName); + bool compileSourceCode(const char *source); + bool compileSourceCode(const QByteArray& source); + bool compileSourceCode(const QString& source); + bool compileSourceFile(const QString& fileName); QByteArray sourceCode() const; @@ -114,10 +112,10 @@ public: void removeShader(QGLShader *shader); QList shaders() const; - bool addShader(QGLShader::ShaderType type, const char *source); - bool addShader(QGLShader::ShaderType type, const QByteArray& source); - bool addShader(QGLShader::ShaderType type, const QString& source); - bool addShaderFromFile(QGLShader::ShaderType type, const QString& fileName); + bool addShaderFromSourceCode(QGLShader::ShaderType type, const char *source); + bool addShaderFromSourceCode(QGLShader::ShaderType type, const QByteArray& source); + bool addShaderFromSourceCode(QGLShader::ShaderType type, const QString& source); + bool addShaderFromSourceFile(QGLShader::ShaderType type, const QString& fileName); void removeAllShaders(); @@ -125,8 +123,8 @@ public: bool isLinked() const; QString log() const; - bool enable(); - static void disable(); + bool bind(); + void release(); GLuint programId() const; @@ -159,7 +157,7 @@ public: void setAttributeValue(const char *name, const GLfloat *values, int columns, int rows); void setAttributeArray - (int location, const GLfloat *values, int size, int stride = 0); + (int location, const GLfloat *values, int tupleSize, int stride = 0); void setAttributeArray (int location, const QVector2D *values, int stride = 0); void setAttributeArray @@ -167,13 +165,16 @@ public: void setAttributeArray (int location, const QVector4D *values, int stride = 0); void setAttributeArray - (const char *name, const GLfloat *values, int size, int stride = 0); + (const char *name, const GLfloat *values, int tupleSize, int stride = 0); void setAttributeArray (const char *name, const QVector2D *values, int stride = 0); void setAttributeArray (const char *name, const QVector3D *values, int stride = 0); void setAttributeArray (const char *name, const QVector4D *values, int stride = 0); + + void enableAttributeArray(int location); + void enableAttributeArray(const char *name); void disableAttributeArray(int location); void disableAttributeArray(const char *name); @@ -244,7 +245,7 @@ public: void setUniformValue(const char *name, const GLfloat value[4][4]); void setUniformValue(const char *name, const QTransform& value); - void setUniformValueArray(int location, const GLfloat *values, int count, int size); + void setUniformValueArray(int location, const GLfloat *values, int count, int tupleSize); void setUniformValueArray(int location, const GLint *values, int count); void setUniformValueArray(int location, const GLuint *values, int count); void setUniformValueArray(int location, const QVector2D *values, int count); @@ -260,7 +261,7 @@ public: void setUniformValueArray(int location, const QMatrix4x3 *values, int count); void setUniformValueArray(int location, const QMatrix4x4 *values, int count); - void setUniformValueArray(const char *name, const GLfloat *values, int count, int size); + void setUniformValueArray(const char *name, const GLfloat *values, int count, int tupleSize); void setUniformValueArray(const char *name, const GLint *values, int count); void setUniformValueArray(const char *name, const GLuint *values, int count); void setUniformValueArray(const char *name, const QVector2D *values, int count); @@ -276,7 +277,7 @@ public: void setUniformValueArray(const char *name, const QMatrix4x3 *values, int count); void setUniformValueArray(const char *name, const QMatrix4x4 *values, int count); - static bool hasShaderPrograms(const QGLContext *context = 0); + static bool hasOpenGLShaderPrograms(const QGLContext *context = 0); private Q_SLOTS: void shaderDestroyed(); diff --git a/src/opengl/qwindowsurface_gl.cpp b/src/opengl/qwindowsurface_gl.cpp index ebe101d..f1f5976 100644 --- a/src/opengl/qwindowsurface_gl.cpp +++ b/src/opengl/qwindowsurface_gl.cpp @@ -625,7 +625,7 @@ void QGLWindowSurface::flush(QWidget *widget, const QRegion &rgn, const QPoint & QGLShaderProgram *blitProgram = QGLEngineSharedShaders::shadersForContext(ctx)->blitProgram(); - blitProgram->enable(); + blitProgram->bind(); blitProgram->setUniformValue("imageTexture", 0 /*QT_IMAGE_TEXTURE_UNIT*/); // The shader manager's blit program does not multiply the -- cgit v0.12