diff options
Diffstat (limited to 'src/opengl')
| -rw-r--r-- | src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp | 41 | ||||
| -rw-r--r-- | src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h | 5 |
2 files changed, 30 insertions, 16 deletions
diff --git a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp index ab38c24..859ffe1 100644 --- a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp +++ b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp @@ -898,11 +898,14 @@ void QGL2PaintEngineExPrivate::fill(const QVectorPath& path) prepareForDraw(currentBrush->isOpaque()); -#ifndef QT_OPENGL_ES_2 if (inRenderText) - shaderManager->currentProgram()->setUniformValue(location(QGLEngineShaderManager::Depth), zValueForRenderText()); -#endif + prepareDepthRangeForRenderText(); + composite(vertexCoordinateArray.boundingRect()); + + if (inRenderText) + restoreDepthRangeForRenderText(); + glStencilMask(0); updateClipScissorTest(); @@ -1138,7 +1141,7 @@ void QGL2PaintEngineExPrivate::drawVertexArrays(QGL2PEXVertexArray& vertexArray, glDisableVertexAttribArray(QT_VERTEX_COORDS_ATTR); } -float QGL2PaintEngineExPrivate::zValueForRenderText() const +void QGL2PaintEngineExPrivate::prepareDepthRangeForRenderText() { #ifndef QT_OPENGL_ES_2 // Get the z translation value from the model view matrix and @@ -1146,9 +1149,19 @@ float QGL2PaintEngineExPrivate::zValueForRenderText() const // and z-far = 1, which is used in QGLWidget::renderText() GLdouble model[4][4]; glGetDoublev(GL_MODELVIEW_MATRIX, &model[0][0]); - return -2 * model[3][2] - 1; -#else - return 0; + float deviceZ = -2 * model[3][2] - 1; + + glGetFloatv(GL_DEPTH_RANGE, depthRange); + float windowZ = depthRange[0] + (deviceZ + 1) * 0.5 * (depthRange[1] - depthRange[0]); + + glDepthRange(windowZ, windowZ); +#endif +} + +void QGL2PaintEngineExPrivate::restoreDepthRangeForRenderText() +{ +#ifndef QT_OPENGL_ES_2 + glDepthRange(depthRange[0], depthRange[1]); #endif } @@ -1406,6 +1419,9 @@ void QGL2PaintEngineExPrivate::drawCachedGlyphs(const QPointF &p, QFontEngineGly QBrush pensBrush = q->state()->pen.brush(); setBrush(&pensBrush); + if (inRenderText) + prepareDepthRangeForRenderText(); + if (glyphType == QFontEngineGlyphCache::Raster_RGBMask) { // Subpixel antialiasing without gamma correction @@ -1458,10 +1474,6 @@ void QGL2PaintEngineExPrivate::drawCachedGlyphs(const QPointF &p, QFontEngineGly glBindTexture(GL_TEXTURE_2D, cache->texture()); updateTextureFilter(GL_TEXTURE_2D, GL_REPEAT, false); -#ifndef QT_OPENGL_ES_2 - if (inRenderText) - shaderManager->currentProgram()->setUniformValue(location(QGLEngineShaderManager::Depth), zValueForRenderText()); -#endif shaderManager->currentProgram()->setUniformValue(location(QGLEngineShaderManager::MaskTexture), QT_MASK_TEXTURE_UNIT); glDrawArrays(GL_TRIANGLES, 0, 6 * glyphs.size()); @@ -1492,12 +1504,11 @@ void QGL2PaintEngineExPrivate::drawCachedGlyphs(const QPointF &p, QFontEngineGly glBindTexture(GL_TEXTURE_2D, cache->texture()); updateTextureFilter(GL_TEXTURE_2D, GL_REPEAT, false); -#ifndef QT_OPENGL_ES_2 - if (inRenderText) - shaderManager->currentProgram()->setUniformValue(location(QGLEngineShaderManager::Depth), zValueForRenderText()); -#endif shaderManager->currentProgram()->setUniformValue(location(QGLEngineShaderManager::MaskTexture), QT_MASK_TEXTURE_UNIT); glDrawArrays(GL_TRIANGLES, 0, 6 * glyphs.size()); + + if (inRenderText) + restoreDepthRangeForRenderText(); } void QGL2PaintEngineEx::drawPixmaps(const QDrawPixmaps::Data *drawingData, int dataCount, const QPixmap &pixmap, QDrawPixmaps::DrawingHints hints) diff --git a/src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h b/src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h index bfc6a3f..662911f 100644 --- a/src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h +++ b/src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h @@ -197,7 +197,8 @@ public: inline void useSimpleShader(); - float zValueForRenderText() const; + void prepareDepthRangeForRenderText(); + void restoreDepthRangeForRenderText(); static QGLEngineShaderManager* shaderManagerForEngine(QGL2PaintEngineEx *engine) { return engine->d_func()->shaderManager; } @@ -258,6 +259,8 @@ public: bool needsSync; bool inRenderText; + GLfloat depthRange[2]; + float textureInvertedY; QScopedPointer<QPixmapFilter> convolutionFilter; |