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authorKim Motoyoshi Kalland <kim.kalland@nokia.com>2009-07-03 15:25:40 (GMT)
committerKim Motoyoshi Kalland <kim.kalland@nokia.com>2009-07-03 15:27:49 (GMT)
commit84bbac2a4d7b663e57b74094cbebf8fca16e0ed8 (patch)
tree2f6a82454bed0da42df05d5a7495f00eb52f72be /src/opengl/gl2paintengineex
parent108f549a446e13a3be7ee6753be9eb74260547d7 (diff)
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Moved uniform enum to QGLEngineShaderManager.
Simplified caching of uniform locations. Reviewed-by: Samuel
Diffstat (limited to 'src/opengl/gl2paintengineex')
-rw-r--r--src/opengl/gl2paintengineex/qglengineshadermanager.cpp40
-rw-r--r--src/opengl/gl2paintengineex/qglengineshadermanager_p.h26
-rw-r--r--src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp61
-rw-r--r--src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h25
4 files changed, 69 insertions, 83 deletions
diff --git a/src/opengl/gl2paintengineex/qglengineshadermanager.cpp b/src/opengl/gl2paintengineex/qglengineshadermanager.cpp
index 4b73ca9..27636f4 100644
--- a/src/opengl/gl2paintengineex/qglengineshadermanager.cpp
+++ b/src/opengl/gl2paintengineex/qglengineshadermanager.cpp
@@ -190,27 +190,33 @@ QGLEngineShaderManager::~QGLEngineShaderManager()
//###
}
-
-uint QGLEngineShaderManager::getUniformIdentifier(const char *uniformName)
-{
- uniformIdentifiers << uniformName;
- return uniformIdentifiers.size() - 1;
-}
-
-uint QGLEngineShaderManager::getUniformLocation(uint id)
+uint QGLEngineShaderManager::getUniformLocation(Uniform id)
{
QVector<uint> &uniformLocations = currentShaderProg->uniformLocations;
- uint oldSize = uniformLocations.size();
- if (oldSize <= id) {
- uint newSize = id + 1;
- uniformLocations.resize(newSize);
-
- for (uint i = oldSize; i < newSize; ++i)
- uniformLocations[i] = GLuint(-1);
- }
+ if (uniformLocations.isEmpty())
+ uniformLocations.fill(GLuint(-1), NumUniforms);
+
+ static const char *uniformNames[] = {
+ "imageTexture",
+ "patternColor",
+ "globalOpacity",
+ "depth",
+ "pmvMatrix",
+ "maskTexture",
+ "fragmentColor",
+ "linearData",
+ "angle",
+ "halfViewportSize",
+ "fmp",
+ "fmp2_m_radius2",
+ "inverse_2_fmp2_m_radius2",
+ "invertedTextureSize",
+ "brushTransform",
+ "brushTexture"
+ };
if (uniformLocations.at(id) == GLuint(-1))
- uniformLocations[id] = currentShaderProg->program->uniformLocation(uniformIdentifiers.at(id));
+ uniformLocations[id] = currentShaderProg->program->uniformLocation(uniformNames[id]);
return uniformLocations.at(id);
}
diff --git a/src/opengl/gl2paintengineex/qglengineshadermanager_p.h b/src/opengl/gl2paintengineex/qglengineshadermanager_p.h
index 34f0768..442edfe 100644
--- a/src/opengl/gl2paintengineex/qglengineshadermanager_p.h
+++ b/src/opengl/gl2paintengineex/qglengineshadermanager_p.h
@@ -274,6 +274,26 @@ public:
TextureSrcWithPattern = Qt::TexturePattern+4
};
+ enum Uniform {
+ ImageTexture,
+ PatternColor,
+ GlobalOpacity,
+ Depth,
+ PmvMatrix,
+ MaskTexture,
+ FragmentColor,
+ LinearData,
+ Angle,
+ HalfViewportSize,
+ Fmp,
+ Fmp2MRadius2,
+ Inverse2Fmp2MRadius2,
+ InvertedTextureSize,
+ BrushTransform,
+ BrushTexture,
+ NumUniforms
+ };
+
// There are optimisations we can do, depending on the brush transform:
// 1) May not have to apply perspective-correction
// 2) Can use lower precision for matrix
@@ -285,8 +305,7 @@ public:
void setMaskType(MaskType);
void setCompositionMode(QPainter::CompositionMode);
- uint getUniformIdentifier(const char *uniformName);
- uint getUniformLocation(uint id);
+ uint getUniformLocation(Uniform id);
void setDirty(); // someone has manually changed the current shader program
bool useCorrectShaderProg(); // returns true if the shader program needed to be changed
@@ -352,6 +371,7 @@ public:
TotalShaderCount, InvalidShaderName
};
+
/*
// These allow the ShaderName enum to be used as a cache key
const int mainVertexOffset = 0;
@@ -391,8 +411,6 @@ private:
void compileNamedShader(QGLEngineShaderManager::ShaderName name, QGLShader::ShaderType type);
static const char* qglEngineShaderSourceCode[TotalShaderCount];
-
- QVector<const char *> uniformIdentifiers;
};
QT_END_NAMESPACE
diff --git a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
index f261ca2..bcff29b 100644
--- a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
+++ b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
@@ -393,7 +393,7 @@ void QGL2PaintEngineExPrivate::updateBrushUniforms()
if (style == Qt::SolidPattern) {
QColor col = premultiplyColor(currentBrush->color(), (GLfloat)q->state()->opacity);
- shaderManager->currentProgram()->setUniformValue(location(FragmentColor), col);
+ shaderManager->currentProgram()->setUniformValue(location(QGLEngineShaderManager::FragmentColor), col);
}
else {
// All other brushes have a transform and thus need the translation point:
@@ -404,10 +404,10 @@ void QGL2PaintEngineExPrivate::updateBrushUniforms()
QColor col = premultiplyColor(currentBrush->color(), (GLfloat)q->state()->opacity);
- shaderManager->currentProgram()->setUniformValue(location(PatternColor), col);
+ shaderManager->currentProgram()->setUniformValue(location(QGLEngineShaderManager::PatternColor), col);
QVector2D halfViewportSize(width*0.5, height*0.5);
- shaderManager->currentProgram()->setUniformValue(location(HalfViewportSize), halfViewportSize);
+ shaderManager->currentProgram()->setUniformValue(location(QGLEngineShaderManager::HalfViewportSize), halfViewportSize);
}
else if (style == Qt::LinearGradientPattern) {
const QLinearGradient *g = static_cast<const QLinearGradient *>(currentBrush->gradient());
@@ -424,10 +424,10 @@ void QGL2PaintEngineExPrivate::updateBrushUniforms()
1.0f / (l.x() * l.x() + l.y() * l.y())
);
- shaderManager->currentProgram()->setUniformValue(location(LinearData), linearData);
+ shaderManager->currentProgram()->setUniformValue(location(QGLEngineShaderManager::LinearData), linearData);
QVector2D halfViewportSize(width*0.5, height*0.5);
- shaderManager->currentProgram()->setUniformValue(location(HalfViewportSize), halfViewportSize);
+ shaderManager->currentProgram()->setUniformValue(location(QGLEngineShaderManager::HalfViewportSize), halfViewportSize);
}
else if (style == Qt::ConicalGradientPattern) {
const QConicalGradient *g = static_cast<const QConicalGradient *>(currentBrush->gradient());
@@ -435,10 +435,10 @@ void QGL2PaintEngineExPrivate::updateBrushUniforms()
GLfloat angle = -(g->angle() * 2 * Q_PI) / 360.0;
- shaderManager->currentProgram()->setUniformValue(location(Angle), angle);
+ shaderManager->currentProgram()->setUniformValue(location(QGLEngineShaderManager::Angle), angle);
QVector2D halfViewportSize(width*0.5, height*0.5);
- shaderManager->currentProgram()->setUniformValue(location(HalfViewportSize), halfViewportSize);
+ shaderManager->currentProgram()->setUniformValue(location(QGLEngineShaderManager::HalfViewportSize), halfViewportSize);
}
else if (style == Qt::RadialGradientPattern) {
const QRadialGradient *g = static_cast<const QRadialGradient *>(currentBrush->gradient());
@@ -448,15 +448,15 @@ void QGL2PaintEngineExPrivate::updateBrushUniforms()
translationPoint = realFocal;
QPointF fmp = realCenter - realFocal;
- shaderManager->currentProgram()->setUniformValue(location(Fmp), fmp);
+ shaderManager->currentProgram()->setUniformValue(location(QGLEngineShaderManager::Fmp), fmp);
GLfloat fmp2_m_radius2 = -fmp.x() * fmp.x() - fmp.y() * fmp.y() + realRadius*realRadius;
- shaderManager->currentProgram()->setUniformValue(location(Fmp2MRadius2), fmp2_m_radius2);
- shaderManager->currentProgram()->setUniformValue(location(Inverse2Fmp2MRadius2),
+ shaderManager->currentProgram()->setUniformValue(location(QGLEngineShaderManager::Fmp2MRadius2), fmp2_m_radius2);
+ shaderManager->currentProgram()->setUniformValue(location(QGLEngineShaderManager::Inverse2Fmp2MRadius2),
GLfloat(1.0 / (2.0*fmp2_m_radius2)));
QVector2D halfViewportSize(width*0.5, height*0.5);
- shaderManager->currentProgram()->setUniformValue(location(HalfViewportSize), halfViewportSize);
+ shaderManager->currentProgram()->setUniformValue(location(QGLEngineShaderManager::HalfViewportSize), halfViewportSize);
}
else if (style == Qt::TexturePattern) {
translationPoint = q->state()->brushOrigin;
@@ -465,14 +465,14 @@ void QGL2PaintEngineExPrivate::updateBrushUniforms()
if (qHasPixmapTexture(*currentBrush) && currentBrush->texture().isQBitmap()) {
QColor col = premultiplyColor(currentBrush->color(), (GLfloat)q->state()->opacity);
- shaderManager->currentProgram()->setUniformValue(location(PatternColor), col);
+ shaderManager->currentProgram()->setUniformValue(location(QGLEngineShaderManager::PatternColor), col);
}
QSizeF invertedTextureSize( 1.0 / texPixmap.width(), 1.0 / texPixmap.height() );
- shaderManager->currentProgram()->setUniformValue(location(InvertedTextureSize), invertedTextureSize);
+ shaderManager->currentProgram()->setUniformValue(location(QGLEngineShaderManager::InvertedTextureSize), invertedTextureSize);
QVector2D halfViewportSize(width*0.5, height*0.5);
- shaderManager->currentProgram()->setUniformValue(location(HalfViewportSize), halfViewportSize);
+ shaderManager->currentProgram()->setUniformValue(location(QGLEngineShaderManager::HalfViewportSize), halfViewportSize);
}
else
qWarning("QGL2PaintEngineEx: Unimplemented fill style");
@@ -481,8 +481,8 @@ void QGL2PaintEngineExPrivate::updateBrushUniforms()
QTransform gl_to_qt(1, 0, 0, -1, 0, height);
QTransform inv_matrix = gl_to_qt * (brushQTransform * q->state()->matrix).inverted() * translate;
- shaderManager->currentProgram()->setUniformValue(location(BrushTransform), inv_matrix);
- shaderManager->currentProgram()->setUniformValue(location(BrushTexture), QT_BRUSH_TEXTURE_UNIT);
+ shaderManager->currentProgram()->setUniformValue(location(QGLEngineShaderManager::BrushTransform), inv_matrix);
+ shaderManager->currentProgram()->setUniformValue(location(QGLEngineShaderManager::BrushTexture), QT_BRUSH_TEXTURE_UNIT);
}
brushUniformsDirty = false;
}
@@ -620,11 +620,11 @@ void QGL2PaintEngineExPrivate::drawTexture(const QGLRect& dest, const QGLRect& s
shaderManager->setSrcPixelType(pattern ? QGLEngineShaderManager::PatternSrc : QGLEngineShaderManager::ImageSrc);
shaderManager->setTextureCoordsEnabled(true);
if (prepareForDraw(opaque))
- shaderManager->currentProgram()->setUniformValue(location(ImageTexture), QT_IMAGE_TEXTURE_UNIT);
+ shaderManager->currentProgram()->setUniformValue(location(QGLEngineShaderManager::ImageTexture), QT_IMAGE_TEXTURE_UNIT);
if (pattern) {
QColor col = premultiplyColor(q->state()->pen.color(), (GLfloat)q->state()->opacity);
- shaderManager->currentProgram()->setUniformValue(location(PatternColor), col);
+ shaderManager->currentProgram()->setUniformValue(location(QGLEngineShaderManager::PatternColor), col);
}
GLfloat dx = 1.0 / textureSize.width();
@@ -873,17 +873,17 @@ bool QGL2PaintEngineExPrivate::prepareForDraw(bool srcPixelsAreOpaque)
updateBrushUniforms();
if (shaderMatrixUniformDirty) {
- shaderManager->currentProgram()->setUniformValue(location(PmvMatrix), pmvMatrix);
+ shaderManager->currentProgram()->setUniformValue(location(QGLEngineShaderManager::PmvMatrix), pmvMatrix);
shaderMatrixUniformDirty = false;
}
if (depthUniformDirty) {
- shaderManager->currentProgram()->setUniformValue(location(Depth), (GLfloat)q->state()->currentDepth);
+ shaderManager->currentProgram()->setUniformValue(location(QGLEngineShaderManager::Depth), (GLfloat)q->state()->currentDepth);
depthUniformDirty = false;
}
if (useGlobalOpacityUniform && opacityUniformDirty) {
- shaderManager->currentProgram()->setUniformValue(location(GlobalOpacity), (GLfloat)q->state()->opacity);
+ shaderManager->currentProgram()->setUniformValue(location(QGLEngineShaderManager::GlobalOpacity), (GLfloat)q->state()->opacity);
opacityUniformDirty = false;
}
@@ -1166,7 +1166,7 @@ void QGL2PaintEngineExPrivate::drawCachedGlyphs(const QPointF &p, const QTextIte
prepareForDraw(false); // Text always causes src pixels to be transparent
- shaderManager->currentProgram()->setUniformValue(location(MaskTexture), QT_MASK_TEXTURE_UNIT);
+ shaderManager->currentProgram()->setUniformValue(location(QGLEngineShaderManager::MaskTexture), QT_MASK_TEXTURE_UNIT);
if (vertexCoordinateArray.data() != oldVertexCoordinateDataPtr)
glVertexAttribPointer(QT_VERTEX_COORDS_ATTR, 2, GL_FLOAT, GL_FALSE, 0, vertexCoordinateArray.data());
@@ -1210,23 +1210,6 @@ bool QGL2PaintEngineEx::begin(QPaintDevice *pdev)
d->shaderManager->setDirty();
} else {
d->shaderManager = new QGLEngineShaderManager(d->ctx);
-
- d->uniformIdentifiers[QGL2PaintEngineExPrivate::ImageTexture] = d->shaderManager->getUniformIdentifier("imageTexture");
- d->uniformIdentifiers[QGL2PaintEngineExPrivate::PatternColor] = d->shaderManager->getUniformIdentifier("patternColor");
- d->uniformIdentifiers[QGL2PaintEngineExPrivate::GlobalOpacity] = d->shaderManager->getUniformIdentifier("globalOpacity");
- d->uniformIdentifiers[QGL2PaintEngineExPrivate::Depth] = d->shaderManager->getUniformIdentifier("depth");
- d->uniformIdentifiers[QGL2PaintEngineExPrivate::PmvMatrix] = d->shaderManager->getUniformIdentifier("pmvMatrix");
- d->uniformIdentifiers[QGL2PaintEngineExPrivate::MaskTexture] = d->shaderManager->getUniformIdentifier("maskTexture");
- d->uniformIdentifiers[QGL2PaintEngineExPrivate::FragmentColor] = d->shaderManager->getUniformIdentifier("fragmentColor");
- d->uniformIdentifiers[QGL2PaintEngineExPrivate::LinearData] = d->shaderManager->getUniformIdentifier("linearData");
- d->uniformIdentifiers[QGL2PaintEngineExPrivate::Angle] = d->shaderManager->getUniformIdentifier("angle");
- d->uniformIdentifiers[QGL2PaintEngineExPrivate::HalfViewportSize] = d->shaderManager->getUniformIdentifier("halfViewportSize");
- d->uniformIdentifiers[QGL2PaintEngineExPrivate::Fmp] = d->shaderManager->getUniformIdentifier("fmp");
- d->uniformIdentifiers[QGL2PaintEngineExPrivate::Fmp2MRadius2] = d->shaderManager->getUniformIdentifier("fmp2_m_radius2");
- d->uniformIdentifiers[QGL2PaintEngineExPrivate::Inverse2Fmp2MRadius2] = d->shaderManager->getUniformIdentifier("inverse_2_fmp2_m_radius2");
- d->uniformIdentifiers[QGL2PaintEngineExPrivate::InvertedTextureSize] = d->shaderManager->getUniformIdentifier("invertedTextureSize");
- d->uniformIdentifiers[QGL2PaintEngineExPrivate::BrushTransform] = d->shaderManager->getUniformIdentifier("brushTransform");
- d->uniformIdentifiers[QGL2PaintEngineExPrivate::BrushTexture] = d->shaderManager->getUniformIdentifier("brushTexture");
}
glViewport(0, 0, d->width, d->height);
diff --git a/src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h b/src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h
index 0d28a49..ec447a3 100644
--- a/src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h
+++ b/src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h
@@ -221,32 +221,11 @@ public:
void systemStateChanged();
uint use_system_clip : 1;
- enum Uniform {
- ImageTexture,
- PatternColor,
- GlobalOpacity,
- Depth,
- PmvMatrix,
- MaskTexture,
- FragmentColor,
- LinearData,
- Angle,
- HalfViewportSize,
- Fmp,
- Fmp2MRadius2,
- Inverse2Fmp2MRadius2,
- InvertedTextureSize,
- BrushTransform,
- BrushTexture,
- NumUniforms
- };
-
- uint location(Uniform uniform)
+ uint location(QGLEngineShaderManager::Uniform uniform)
{
- return shaderManager->getUniformLocation(uniformIdentifiers[uniform]);
+ return shaderManager->getUniformLocation(uniform);
}
- uint uniformIdentifiers[NumUniforms];
GLuint lastTexture;
bool needsSync;