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-rw-r--r--src/gui/opengl/qopenglpaintengine.cpp40
-rw-r--r--src/gui/opengl/qopenglpaintengine_p.h3
-rw-r--r--src/gui/opengl/qopengltextureglyphcache.cpp44
3 files changed, 57 insertions, 30 deletions
diff --git a/src/gui/opengl/qopenglpaintengine.cpp b/src/gui/opengl/qopenglpaintengine.cpp
index d248d2b8e5..555c47f265 100644
--- a/src/gui/opengl/qopenglpaintengine.cpp
+++ b/src/gui/opengl/qopenglpaintengine.cpp
@@ -624,7 +624,7 @@ void QOpenGL2PaintEngineExPrivate::transferMode(EngineMode newMode)
if (newMode == mode)
return;
- if (mode == TextDrawingMode || mode == ImageDrawingMode || mode == ImageArrayDrawingMode) {
+ if (mode != BrushDrawingMode) {
lastTextureUsed = GLuint(-1);
}
@@ -639,10 +639,12 @@ void QOpenGL2PaintEngineExPrivate::transferMode(EngineMode newMode)
setVertexAttributePointer(QT_TEXTURE_COORDS_ATTR, staticTextureCoordinateArray);
}
- if (newMode == ImageArrayDrawingMode) {
+ if (newMode == ImageArrayDrawingMode || newMode == ImageOpacityArrayDrawingMode) {
setVertexAttributePointer(QT_VERTEX_COORDS_ATTR, (GLfloat*)vertexCoordinateArray.data());
setVertexAttributePointer(QT_TEXTURE_COORDS_ATTR, (GLfloat*)textureCoordinateArray.data());
- setVertexAttributePointer(QT_OPACITY_ATTR, (GLfloat*)opacityArray.data());
+
+ if (newMode == ImageOpacityArrayDrawingMode)
+ setVertexAttributePointer(QT_OPACITY_ATTR, (GLfloat*)opacityArray.data());
}
// This needs to change when we implement high-quality anti-aliasing...
@@ -1085,7 +1087,7 @@ bool QOpenGL2PaintEngineExPrivate::prepareForCachedGlyphDraw(const QFontEngineGl
bool QOpenGL2PaintEngineExPrivate::prepareForDraw(bool srcPixelsAreOpaque)
{
- if (brushTextureDirty && mode != ImageDrawingMode && mode != ImageArrayDrawingMode)
+ if (brushTextureDirty && (mode == TextDrawingMode || mode == BrushDrawingMode))
updateBrushTexture();
if (compositionModeDirty)
@@ -1105,12 +1107,12 @@ bool QOpenGL2PaintEngineExPrivate::prepareForDraw(bool srcPixelsAreOpaque)
}
QOpenGLEngineShaderManager::OpacityMode opacityMode;
- if (mode == ImageArrayDrawingMode) {
+ if (mode == ImageOpacityArrayDrawingMode) {
opacityMode = QOpenGLEngineShaderManager::AttributeOpacity;
} else {
opacityMode = stateHasOpacity ? QOpenGLEngineShaderManager::UniformOpacity
: QOpenGLEngineShaderManager::NoOpacity;
- if (stateHasOpacity && (mode != ImageDrawingMode)) {
+ if (stateHasOpacity && (mode != ImageDrawingMode && mode != ImageArrayDrawingMode)) {
// Using a brush
bool brushIsPattern = (currentBrush.style() >= Qt::Dense1Pattern) &&
(currentBrush.style() <= Qt::DiagCrossPattern);
@@ -1130,7 +1132,7 @@ bool QOpenGL2PaintEngineExPrivate::prepareForDraw(bool srcPixelsAreOpaque)
matrixUniformDirty = true;
}
- if (brushUniformsDirty && mode != ImageDrawingMode && mode != ImageArrayDrawingMode)
+ if (brushUniformsDirty && (mode == TextDrawingMode || mode == BrushDrawingMode))
updateBrushUniforms();
if (opacityMode == QOpenGLEngineShaderManager::UniformOpacity && opacityUniformDirty) {
@@ -1602,7 +1604,10 @@ void QOpenGL2PaintEngineExPrivate::drawCachedGlyphs(QFontEngineGlyphCache::Type
if (cache->width() == 0 || cache->height() == 0)
return;
- transferMode(TextDrawingMode);
+ if (glyphType == QFontEngineGlyphCache::Raster_ARGB)
+ transferMode(ImageArrayDrawingMode);
+ else
+ transferMode(TextDrawingMode);
int margin = fe->glyphMargin(glyphType);
@@ -1698,8 +1703,10 @@ void QOpenGL2PaintEngineExPrivate::drawCachedGlyphs(QFontEngineGlyphCache::Type
#endif
}
- setVertexAttributePointer(QT_VERTEX_COORDS_ATTR, (GLfloat*)vertexCoordinates->data());
- setVertexAttributePointer(QT_TEXTURE_COORDS_ATTR, (GLfloat*)textureCoordinates->data());
+ if (glyphType != QFontEngineGlyphCache::Raster_ARGB || recreateVertexArrays) {
+ setVertexAttributePointer(QT_VERTEX_COORDS_ATTR, (GLfloat*)vertexCoordinates->data());
+ setVertexAttributePointer(QT_TEXTURE_COORDS_ATTR, (GLfloat*)textureCoordinates->data());
+ }
if (!snapToPixelGrid) {
snapToPixelGrid = true;
@@ -1782,6 +1789,11 @@ void QOpenGL2PaintEngineExPrivate::drawCachedGlyphs(QFontEngineGlyphCache::Type
glBlendFunc(GL_ONE, GL_ONE);
}
compositionModeDirty = true;
+ } else if (glyphType == QFontEngineGlyphCache::Raster_ARGB) {
+ currentBrush = noBrush;
+ shaderManager->setSrcPixelType(QOpenGLEngineShaderManager::ImageSrc);
+ if (prepareForCachedGlyphDraw(*cache))
+ shaderManager->currentProgram()->setUniformValue(location(QOpenGLEngineShaderManager::ImageTexture), QT_IMAGE_TEXTURE_UNIT);
} else {
// Greyscale/mono glyphs
@@ -1792,7 +1804,11 @@ void QOpenGL2PaintEngineExPrivate::drawCachedGlyphs(QFontEngineGlyphCache::Type
QOpenGLTextureGlyphCache::FilterMode filterMode = (s->matrix.type() > QTransform::TxTranslate)?QOpenGLTextureGlyphCache::Linear:QOpenGLTextureGlyphCache::Nearest;
if (lastMaskTextureUsed != cache->texture() || cache->filterMode() != filterMode) {
- funcs.glActiveTexture(GL_TEXTURE0 + QT_MASK_TEXTURE_UNIT);
+ if (glyphType == QFontEngineGlyphCache::Raster_ARGB)
+ funcs.glActiveTexture(GL_TEXTURE0 + QT_IMAGE_TEXTURE_UNIT);
+ else
+ funcs.glActiveTexture(GL_TEXTURE0 + QT_MASK_TEXTURE_UNIT);
+
if (lastMaskTextureUsed != cache->texture()) {
glBindTexture(GL_TEXTURE_2D, cache->texture());
lastMaskTextureUsed = cache->texture();
@@ -1908,7 +1924,7 @@ void QOpenGL2PaintEngineExPrivate::drawPixmapFragments(const QPainter::PixmapFra
funcs.glActiveTexture(GL_TEXTURE0 + QT_IMAGE_TEXTURE_UNIT);
GLuint id = QOpenGLTextureCache::cacheForContext(ctx)->bindTexture(ctx, pixmap);
- transferMode(ImageArrayDrawingMode);
+ transferMode(ImageOpacityArrayDrawingMode);
bool isBitmap = pixmap.isQBitmap();
bool isOpaque = !isBitmap && (!pixmap.hasAlpha() || (hints & QPainter::OpaqueHint)) && allOpaque;
diff --git a/src/gui/opengl/qopenglpaintengine_p.h b/src/gui/opengl/qopenglpaintengine_p.h
index 9c54eae3b3..d51f0e5256 100644
--- a/src/gui/opengl/qopenglpaintengine_p.h
+++ b/src/gui/opengl/qopenglpaintengine_p.h
@@ -70,7 +70,8 @@ enum EngineMode {
ImageDrawingMode,
TextDrawingMode,
BrushDrawingMode,
- ImageArrayDrawingMode
+ ImageArrayDrawingMode,
+ ImageOpacityArrayDrawingMode
};
QT_BEGIN_NAMESPACE
diff --git a/src/gui/opengl/qopengltextureglyphcache.cpp b/src/gui/opengl/qopengltextureglyphcache.cpp
index b751629117..83f407575e 100644
--- a/src/gui/opengl/qopengltextureglyphcache.cpp
+++ b/src/gui/opengl/qopengltextureglyphcache.cpp
@@ -120,7 +120,7 @@ void QOpenGLTextureGlyphCache::createTextureData(int width, int height)
m_textureResource->m_width = width;
m_textureResource->m_height = height;
- if (m_type == QFontEngineGlyphCache::Raster_RGBMask) {
+ if (m_type == QFontEngineGlyphCache::Raster_RGBMask || m_type == QFontEngineGlyphCache::Raster_ARGB) {
QVarLengthArray<uchar> data(width * height * 4);
for (int i = 0; i < data.size(); ++i)
data[i] = 0;
@@ -314,30 +314,40 @@ void QOpenGLTextureGlyphCache::fillTexture(const Coord &c, glyph_t glyph, QFixed
for (int x = 0; x < maskWidth; ++x)
src[x] = -src[x]; // convert 0 and 1 into 0 and 255
}
- } else if (mask.format() == QImage::Format_RGB32) {
- // Make the alpha component equal to the average of the RGB values.
- // This is needed when drawing sub-pixel antialiased text on translucent targets.
- for (int y = 0; y < maskHeight; ++y) {
- quint32 *src = (quint32 *) mask.scanLine(y);
- for (int x = 0; x < maskWidth; ++x) {
- uchar r = src[x] >> 16;
- uchar g = src[x] >> 8;
- uchar b = src[x];
- quint32 avg = (quint32(r) + quint32(g) + quint32(b) + 1) / 3; // "+1" for rounding.
+ } else if (mask.depth() == 32) {
+ if (mask.format() == QImage::Format_RGB32
+ // We need to make the alpha component equal to the average of the RGB values.
+ // This is needed when drawing sub-pixel antialiased text on translucent targets.
+#if defined(QT_OPENGL_ES_2)
+ || !hasBGRA // We need to reverse the bytes
+#endif
+ ) {
+ for (int y = 0; y < maskHeight; ++y) {
+ quint32 *src = (quint32 *) mask.scanLine(y);
+ for (int x = 0; x < maskWidth; ++x) {
+ uchar r = src[x] >> 16;
+ uchar g = src[x] >> 8;
+ uchar b = src[x];
+ quint32 avg;
+ if (mask.format() == QImage::Format_RGB32)
+ avg = (quint32(r) + quint32(g) + quint32(b) + 1) / 3; // "+1" for rounding.
+ else // Format_ARGB_Premultiplied
+ avg = src[x] >> 24;
#if defined(QT_OPENGL_ES_2)
- if (!hasBGRA) {
- // Reverse bytes to match GL_RGBA
- src[x] = (avg << 24) | (quint32(r) << 0) | (quint32(g) << 8) | (quint32(b) << 16);
- } else
+ if (!hasBGRA) {
+ // Reverse bytes to match GL_RGBA
+ src[x] = (avg << 24) | (quint32(r) << 0) | (quint32(g) << 8) | (quint32(b) << 16);
+ } else
#endif
- src[x] = (src[x] & 0x00ffffff) | (avg << 24);
+ src[x] = (src[x] & 0x00ffffff) | (avg << 24);
+ }
}
}
}
glBindTexture(GL_TEXTURE_2D, m_textureResource->m_texture);
- if (mask.format() == QImage::Format_RGB32) {
+ if (mask.depth() == 32) {
#if defined(QT_OPENGL_ES_2)
glTexSubImage2D(GL_TEXTURE_2D, 0, c.x, c.y, maskWidth, maskHeight, hasBGRA ? GL_BGRA_EXT : GL_RGBA, GL_UNSIGNED_BYTE, mask.bits());
#else