diff -r 41300fa6a67c -r f7bc934e204c src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h --- a/src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h Tue Feb 02 00:43:10 2010 +0200 +++ b/src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h Wed Mar 31 11:06:36 2010 +0300 @@ -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) ** @@ -73,6 +73,12 @@ QT_BEGIN_NAMESPACE +#define GL_STENCIL_HIGH_BIT GLuint(0x80) +#define QT_BRUSH_TEXTURE_UNIT GLuint(0) +#define QT_IMAGE_TEXTURE_UNIT GLuint(0) //Can be the same as brush texture unit +#define QT_MASK_TEXTURE_UNIT GLuint(1) +#define QT_BACKGROUND_TEXTURE_UNIT GLuint(2) + class QGL2PaintEngineExPrivate; @@ -105,14 +111,9 @@ ~QGL2PaintEngineEx(); bool begin(QPaintDevice *device); + void ensureActive(); bool end(); - void ensureActive(); - - virtual void fill(const QVectorPath &path, const QBrush &brush); - virtual void stroke(const QVectorPath &path, const QPen &pen); - virtual void clip(const QVectorPath &path, Qt::ClipOperation op); - virtual void clipEnabledChanged(); virtual void penChanged(); virtual void brushChanged(); @@ -122,20 +123,21 @@ virtual void renderHintsChanged(); virtual void transformChanged(); - + virtual void drawTexture(const QRectF &r, GLuint textureId, const QSize &size, const QRectF &sr); virtual void drawPixmap(const QRectF &r, const QPixmap &pm, const QRectF &sr); + virtual void drawPixmaps(const QDrawPixmaps::Data *drawingData, int dataCount, const QPixmap &pixmap, QDrawPixmaps::DrawingHints hints); virtual void drawImage(const QRectF &r, const QImage &pm, const QRectF &sr, Qt::ImageConversionFlags flags = Qt::AutoColor); - virtual void drawTexture(const QRectF &r, GLuint textureId, const QSize &size, const QRectF &sr); + virtual void drawTextItem(const QPointF &p, const QTextItem &textItem); + virtual void fill(const QVectorPath &path, const QBrush &brush); + virtual void stroke(const QVectorPath &path, const QPen &pen); + virtual void clip(const QVectorPath &path, Qt::ClipOperation op); - virtual void drawTextItem(const QPointF &p, const QTextItem &textItem); - - virtual void drawPixmaps(const QDrawPixmaps::Data *drawingData, int dataCount, const QPixmap &pixmap, QDrawPixmaps::DrawingHints hints); Type type() const { return OpenGL2; } - void setState(QPainterState *s); - QPainterState *createState(QPainterState *orig) const; + virtual void setState(QPainterState *s); + virtual QPainterState *createState(QPainterState *orig) const; inline QOpenGL2PaintEngineState *state() { return static_cast(QPaintEngineEx::state()); } @@ -146,8 +148,6 @@ void beginNativePainting(); void endNativePainting(); - const QGLContext* context(); - QPixmapFilter *pixmapFilter(int type, const QPixmapFilter *prototype); void setRenderTextActive(bool); @@ -169,11 +169,13 @@ QGL2PaintEngineExPrivate(QGL2PaintEngineEx *q_ptr) : q(q_ptr), + shaderManager(0), width(0), height(0), ctx(0), - inverseScale(1), - shaderManager(0), - inRenderText(false) + useSystemClip(true), + snapToPixelGrid(false), + addOffset(false), + inverseScale(1) { } ~QGL2PaintEngineExPrivate(); @@ -184,45 +186,61 @@ void updateCompositionMode(); void updateTextureFilter(GLenum target, GLenum wrapMode, bool smoothPixmapTransform, GLuint id = -1); - void setBrush(const QBrush& brush); - - void transferMode(EngineMode newMode); void resetGLState(); - // fill, drawOutline, drawTexture & drawCachedGlyphs are the rendering entry points: + // fill, stroke, drawTexture, drawPixmaps & drawCachedGlyphs are the main rendering entry-points, + // however writeClip can also be thought of as en entry point as it does similar things. void fill(const QVectorPath &path); + void stroke(const QVectorPath &path, const QPen &pen); void drawTexture(const QGLRect& dest, const QGLRect& src, const QSize &textureSize, bool opaque, bool pattern = false); + void drawPixmaps(const QDrawPixmaps::Data *drawingData, int dataCount, const QPixmap &pixmap, QDrawPixmaps::DrawingHints hints); void drawCachedGlyphs(const QPointF &p, QFontEngineGlyphCache::Type glyphType, const QTextItemInt &ti); + // Calls glVertexAttributePointer if the pointer has changed + inline void setVertexAttributePointer(unsigned int arrayIndex, const GLfloat *pointer); + + // draws whatever is in the vertex array: void drawVertexArrays(const float *data, int *stops, int stopCount, GLenum primitive); void drawVertexArrays(QGL2PEXVertexArray &vertexArray, GLenum primitive) { drawVertexArrays((const float *) vertexArray.data(), vertexArray.stops(), vertexArray.stopCount(), primitive); } - // ^ draws whatever is in the vertex array + // Composites the bounding rect onto dest buffer: void composite(const QGLRect& boundingRect); - // ^ Composites the bounding rect onto dest buffer + // Calls drawVertexArrays to render into stencil buffer: void fillStencilWithVertexArray(const float *data, int count, int *stops, int stopCount, const QGLRect &bounds, StencilFillMode mode); void fillStencilWithVertexArray(QGL2PEXVertexArray& vertexArray, bool useWindingFill) { fillStencilWithVertexArray((const float *) vertexArray.data(), 0, vertexArray.stops(), vertexArray.stopCount(), vertexArray.boundingRect(), useWindingFill ? WindingFillMode : OddEvenFillMode); } - // ^ Calls drawVertexArrays to render into stencil buffer - bool prepareForDraw(bool srcPixelsAreOpaque); - // ^ returns whether the current program changed or not + void setBrush(const QBrush& brush); + void transferMode(EngineMode newMode); + bool prepareForDraw(bool srcPixelsAreOpaque); // returns true if the program has changed + inline void useSimpleShader(); + inline GLuint location(const QGLEngineShaderManager::Uniform uniform) { + return shaderManager->getUniformLocation(uniform); + } - inline void useSimpleShader(); + void clearClip(uint value); + void writeClip(const QVectorPath &path, uint value); + void resetClipIfNeeded(); - void prepareDepthRangeForRenderText(); - void restoreDepthRangeForRenderText(); + void updateClipScissorTest(); + void setScissor(const QRect &rect); + void regenerateClip(); + void systemStateChanged(); + static QGLEngineShaderManager* shaderManagerForEngine(QGL2PaintEngineEx *engine) { return engine->d_func()->shaderManager; } static QGL2PaintEngineExPrivate *getData(QGL2PaintEngineEx *engine) { return engine->d_func(); } + static void cleanupVectorPath(QPaintEngineEx *engine, void *data); + QGL2PaintEngineEx* q; + QGLEngineShaderManager* shaderManager; QGLPaintDevice* device; int width, height; QGLContext *ctx; @@ -234,49 +252,31 @@ bool compositionModeDirty; bool brushTextureDirty; bool brushUniformsDirty; - bool simpleShaderMatrixUniformDirty; - bool shaderMatrixUniformDirty; bool opacityUniformDirty; bool stencilClean; // Has the stencil not been used for clipping so far? + bool useSystemClip; QRegion dirtyStencilRegion; QRect currentScissorBounds; uint maxClip; QBrush currentBrush; // May not be the state's brush! - - GLfloat inverseScale; + const QBrush noBrush; QGL2PEXVertexArray vertexCoordinateArray; QGL2PEXVertexArray textureCoordinateArray; QDataBuffer opacityArray; - GLfloat staticVertexCoordinateArray[8]; GLfloat staticTextureCoordinateArray[8]; - GLfloat pmvMatrix[4][4]; - - QGLEngineShaderManager* shaderManager; - - void clearClip(uint value); - void writeClip(const QVectorPath &path, uint value); - void resetClipIfNeeded(); + bool snapToPixelGrid; + bool addOffset; // When enabled, adds a 0.49,0.49 offset to matrix in updateMatrix + GLfloat pmvMatrix[3][3]; + GLfloat inverseScale; - void updateClipScissorTest(); - void setScissor(const QRect &rect); - void regenerateClip(); - void systemStateChanged(); - uint use_system_clip : 1; - - uint location(QGLEngineShaderManager::Uniform uniform) - { - return shaderManager->getUniformLocation(uniform); - } - - GLuint lastTexture; + GLuint lastTextureUsed; bool needsSync; - bool inRenderText; bool multisamplingAlwaysEnabled; GLfloat depthRange[2]; @@ -285,7 +285,6 @@ QTriangulatingStroker stroker; QDashedStrokeProcessor dasher; - QTransform temporaryTransform; QScopedPointer convolutionFilter; QScopedPointer colorizeFilter; @@ -294,8 +293,24 @@ QSet pathCaches; QVector unusedVBOSToClean; + + const GLfloat *vertexAttribPointers[3]; }; + +void QGL2PaintEngineExPrivate::setVertexAttributePointer(unsigned int arrayIndex, const GLfloat *pointer) +{ + Q_ASSERT(arrayIndex < 3); + if (pointer == vertexAttribPointers[arrayIndex]) + return; + + vertexAttribPointers[arrayIndex] = pointer; + if (arrayIndex == QT_OPACITY_ATTR) + glVertexAttribPointer(arrayIndex, 1, GL_FLOAT, GL_FALSE, 0, pointer); + else + glVertexAttribPointer(arrayIndex, 2, GL_FLOAT, GL_FALSE, 0, pointer); +} + QT_END_NAMESPACE #endif