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-rw-r--r--src/declarative/scenegraph/coreapi/qsgdefaultrenderer.cpp527
1 files changed, 0 insertions, 527 deletions
diff --git a/src/declarative/scenegraph/coreapi/qsgdefaultrenderer.cpp b/src/declarative/scenegraph/coreapi/qsgdefaultrenderer.cpp
deleted file mode 100644
index 56a6e0e5d9..0000000000
--- a/src/declarative/scenegraph/coreapi/qsgdefaultrenderer.cpp
+++ /dev/null
@@ -1,527 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
-** All rights reserved.
-** Contact: Nokia Corporation (qt-info@nokia.com)
-**
-** This file is part of the QtDeclarative module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** GNU Lesser General Public License Usage
-** This file may be used under the terms of the GNU Lesser General Public
-** License version 2.1 as published by the Free Software Foundation and
-** appearing in the file LICENSE.LGPL included in the packaging of this
-** file. Please review the following information to ensure the GNU Lesser
-** General Public License version 2.1 requirements will be met:
-** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
-**
-** In addition, as a special exception, Nokia gives you certain additional
-** rights. These rights are described in the Nokia Qt LGPL Exception
-** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU General
-** Public License version 3.0 as published by the Free Software Foundation
-** and appearing in the file LICENSE.GPL included in the packaging of this
-** file. Please review the following information to ensure the GNU General
-** Public License version 3.0 requirements will be met:
-** http://www.gnu.org/copyleft/gpl.html.
-**
-** Other Usage
-** Alternatively, this file may be used in accordance with the terms and
-** conditions contained in a signed written agreement between you and Nokia.
-**
-**
-**
-**
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-
-#define GL_GLEXT_PROTOTYPES
-
-#include "qsgdefaultrenderer_p.h"
-#include "qsgmaterial.h"
-
-#include <QtCore/qvarlengtharray.h>
-#include <QtGui/qguiapplication.h>
-#include <QtCore/qpair.h>
-#include <QtCore/QElapsedTimer>
-
-//#define FORCE_NO_REORDER
-
-// #define RENDERER_DEBUG
-#ifdef RENDERER_DEBUG
-#define DEBUG_THRESHOLD 0
-QElapsedTimer debugTimer;
-int materialChanges;
-int geometryNodesDrawn;
-#endif
-
-QT_BEGIN_NAMESPACE
-
-static bool nodeLessThan(QSGGeometryNode *a, QSGGeometryNode *b)
-{
- // Sort by clip...
- if (a->clipList() != b->clipList())
- return a->clipList() < b->clipList();
-
- // Sort by material definition
- QSGMaterialType *aDef = a->material()->type();
- QSGMaterialType *bDef = b->material()->type();
-
- if (aDef != bDef)
- return aDef < bDef;
-
- // Sort by material state
- int cmp = a->material()->compare(b->material());
- if (cmp != 0)
- return cmp < 0;
-
- return a->matrix() < b->matrix();
-}
-
-static bool nodeLessThanWithRenderOrder(QSGGeometryNode *a, QSGGeometryNode *b)
-{
- // Sort by clip...
- if (a->clipList() != b->clipList())
- return a->clipList() < b->clipList();
-
- // Sort by material definition
- QSGMaterialType *aDef = a->material()->type();
- QSGMaterialType *bDef = b->material()->type();
-
- if (!(a->material()->flags() & QSGMaterial::Blending)) {
- int aOrder = a->renderOrder();
- int bOrder = b->renderOrder();
- if (aOrder != bOrder)
- return aOrder > bOrder;
- }
-
- if (aDef != bDef)
- return aDef < bDef;
-
- // Sort by material state
- int cmp = a->material()->compare(b->material());
- if (cmp != 0)
- return cmp < 0;
-
- return a->matrix() < b->matrix();
-}
-
-
-QSGDefaultRenderer::IndexGeometryNodePair::IndexGeometryNodePair(int i, QSGGeometryNode *node)
- : QPair<int, QSGGeometryNode *>(i, node)
-{
-}
-
-bool QSGDefaultRenderer::IndexGeometryNodePair::operator < (const QSGDefaultRenderer::IndexGeometryNodePair &other) const
-{
- return nodeLessThan(second, other.second);
-}
-
-
-QSGDefaultRenderer::IndexGeometryNodePairHeap::IndexGeometryNodePairHeap()
- : v(64)
-{
-}
-
-void QSGDefaultRenderer::IndexGeometryNodePairHeap::insert(const QSGDefaultRenderer::IndexGeometryNodePair &x)
-{
- int i = v.size();
- v.add(x);
- while (i != 0 && v.at(i) < v.at(parent(i))) {
- qSwap(v.at(parent(i)), v.at(i));
- i = parent(i);
- }
-}
-
-QSGDefaultRenderer::IndexGeometryNodePair QSGDefaultRenderer::IndexGeometryNodePairHeap::pop()
-{
- IndexGeometryNodePair x = top();
- if (v.size() > 1)
- qSwap(v.first(), v.last());
- v.pop_back();
- int i = 0;
- while (left(i) < v.size()) {
- int low = left(i);
- if (right(i) < v.size() && v.at(right(i)) < v.at(low))
- low = right(i);
- if (!(v.at(low) < v.at(i)))
- break;
- qSwap(v.at(i), v.at(low));
- i = low;
- }
- return x;
-}
-
-
-QSGDefaultRenderer::QSGDefaultRenderer(QSGContext *context)
- : QSGRenderer(context)
- , m_opaqueNodes(64)
- , m_transparentNodes(64)
- , m_tempNodes(64)
- , m_rebuild_lists(false)
- , m_needs_sorting(false)
- , m_sort_front_to_back(false)
- , m_currentRenderOrder(1)
-{
- QStringList args = qApp->arguments();
-#if defined(QML_RUNTIME_TESTING)
- m_render_opaque_nodes = !args.contains(QLatin1String("--no-opaque-nodes"));
- m_render_alpha_nodes = !args.contains(QLatin1String("--no-alpha-nodes"));
-#endif
-}
-
-void QSGDefaultRenderer::nodeChanged(QSGNode *node, QSGNode::DirtyFlags flags)
-{
- QSGRenderer::nodeChanged(node, flags);
-
- quint32 rebuildFlags = QSGNode::DirtyNodeAdded | QSGNode::DirtyNodeRemoved
- | QSGNode::DirtyMaterial | QSGNode::DirtyOpacity
- | QSGNode::DirtyForceUpdate;
-
- if (flags & rebuildFlags)
- m_rebuild_lists = true;
-
- if (flags & (rebuildFlags | QSGNode::DirtyClipList))
- m_needs_sorting = true;
-}
-
-void QSGDefaultRenderer::render()
-{
-#if defined (QML_RUNTIME_TESTING)
- static bool dumpTree = qApp->arguments().contains(QLatin1String("--dump-tree"));
- if (dumpTree) {
- printf("\n\n");
- QSGNodeDumper::dump(rootNode());
- }
-#endif
-
-#ifdef RENDERER_DEBUG
- debugTimer.invalidate();
- debugTimer.start();
- geometryNodesDrawn = 0;
- materialChanges = 0;
-#endif
-
- glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
- glDisable(GL_BLEND);
-
- glFrontFace(isMirrored() ? GL_CW : GL_CCW);
- glDisable(GL_CULL_FACE);
-
- glEnable(GL_DEPTH_TEST);
- glDepthMask(true);
- glDepthFunc(GL_GREATER);
-#if defined(QT_OPENGL_ES)
- glClearDepthf(0);
-#else
- glClearDepth(0);
-#endif
-
- glDisable(GL_SCISSOR_TEST);
- glClearColor(m_clear_color.redF(), m_clear_color.greenF(), m_clear_color.blueF(), m_clear_color.alphaF());
-
-#ifdef RENDERER_DEBUG
- int debugtimeSetup = debugTimer.elapsed();
-#endif
-
- bindable()->clear(clearMode());
-
-#ifdef RENDERER_DEBUG
- int debugtimeClear = debugTimer.elapsed();
-#endif
-
- QRect r = viewportRect();
- glViewport(r.x(), deviceRect().bottom() - r.bottom(), r.width(), r.height());
- m_current_projection_matrix = projectionMatrix();
- m_current_model_view_matrix.setToIdentity();
-
- m_currentClip = 0;
- glDisable(GL_STENCIL_TEST);
-
- m_currentMaterial = 0;
- m_currentProgram = 0;
- m_currentMatrix = 0;
-
- if (m_rebuild_lists) {
- m_opaqueNodes.reset();
- m_transparentNodes.reset();
- m_currentRenderOrder = 1;
- buildLists(rootNode());
- m_rebuild_lists = false;
- }
-
-#ifdef RENDERER_DEBUG
- int debugtimeLists = debugTimer.elapsed();
-#endif
-
-
- if (m_needs_sorting) {
- if (!m_opaqueNodes.isEmpty()) {
- qSort(&m_opaqueNodes.first(), &m_opaqueNodes.first() + m_opaqueNodes.size(),
- m_sort_front_to_back
- ? nodeLessThanWithRenderOrder
- : nodeLessThan);
- }
- m_needs_sorting = false;
- }
-
-#ifdef RENDERER_DEBUG
- int debugtimeSorting = debugTimer.elapsed();
-#endif
-
- m_renderOrderMatrix.setToIdentity();
- m_renderOrderMatrix.scale(1, 1, qreal(1) / m_currentRenderOrder);
-
- glDisable(GL_BLEND);
- glDepthMask(true);
-#ifdef QML_RUNTIME_TESTING
- if (m_render_opaque_nodes)
-#endif
- {
-#if defined (QML_RUNTIME_TESTING)
- if (dumpTree)
- qDebug() << "Opaque Nodes:";
-#endif
- renderNodes(m_opaqueNodes);
- }
-
-#ifdef RENDERER_DEBUG
- int debugtimeOpaque = debugTimer.elapsed();
- int opaqueNodes = geometryNodesDrawn;
- int opaqueMaterialChanges = materialChanges;
-#endif
-
- glEnable(GL_BLEND);
- glDepthMask(false);
-#ifdef QML_RUNTIME_TESTING
- if (m_render_alpha_nodes)
-#endif
- {
-#if defined (QML_RUNTIME_TESTING)
- if (dumpTree)
- qDebug() << "Alpha Nodes:";
-#endif
- renderNodes(m_transparentNodes);
- }
-
-#ifdef RENDERER_DEBUG
- int debugtimeAlpha = debugTimer.elapsed();
-#endif
-
-
- if (m_currentProgram)
- m_currentProgram->deactivate();
-
-#ifdef RENDERER_DEBUG
- if (debugTimer.elapsed() > DEBUG_THRESHOLD) {
- printf(" --- Renderer breakdown:\n"
- " - setup=%d, clear=%d, building=%d, sorting=%d, opaque=%d, alpha=%d\n"
- " - material changes: opaque=%d, alpha=%d, total=%d\n"
- " - geometry ndoes: opaque=%d, alpha=%d, total=%d\n",
- debugtimeSetup,
- debugtimeClear - debugtimeSetup,
- debugtimeLists - debugtimeClear,
- debugtimeSorting - debugtimeLists,
- debugtimeOpaque - debugtimeSorting,
- debugtimeAlpha - debugtimeOpaque,
- opaqueMaterialChanges, materialChanges - opaqueMaterialChanges, materialChanges,
- opaqueNodes, geometryNodesDrawn - opaqueNodes, geometryNodesDrawn);
- }
-#endif
-
-}
-
-void QSGDefaultRenderer::setSortFrontToBackEnabled(bool sort)
-{
- printf("setting sorting to... %d\n", sort);
- m_sort_front_to_back = sort;
-}
-
-bool QSGDefaultRenderer::isSortFrontToBackEnabled() const
-{
- return m_sort_front_to_back;
-}
-
-void QSGDefaultRenderer::buildLists(QSGNode *node)
-{
- if (node->isSubtreeBlocked())
- return;
-
- if (node->type() == QSGNode::GeometryNodeType) {
- QSGGeometryNode *geomNode = static_cast<QSGGeometryNode *>(node);
- qreal opacity = geomNode->inheritedOpacity();
- QSGMaterial *m = geomNode->activeMaterial();
-
-#ifdef FORCE_NO_REORDER
- if (true) {
-#else
- if ((m->flags() & QSGMaterial::Blending) || opacity < 1) {
-#endif
- geomNode->setRenderOrder(m_currentRenderOrder - 1);
- m_transparentNodes.add(geomNode);
- } else {
- geomNode->setRenderOrder(m_currentRenderOrder);
- m_opaqueNodes.add(geomNode);
- m_currentRenderOrder += 2;
- }
- }
-
- if (!node->firstChild())
- return;
-
-#ifdef FORCE_NO_REORDER
- static bool reorder = false;
-#else
- static bool reorder = qApp->arguments().contains(QLatin1String("--reorder"));
-#endif
-
- if (reorder && node->firstChild() != node->lastChild() && (node->flags() & QSGNode::ChildrenDoNotOverlap)) {
- QVarLengthArray<int, 16> beginIndices;
- QVarLengthArray<int, 16> endIndices;
- int baseCount = m_transparentNodes.size();
- int count = 0;
- for (QSGNode *c = node->firstChild(); c; c = c->nextSibling()) {
- beginIndices.append(m_transparentNodes.size());
- buildLists(c);
- endIndices.append(m_transparentNodes.size());
- ++count;
- }
-
- int childNodeCount = m_transparentNodes.size() - baseCount;
- if (childNodeCount) {
- m_tempNodes.reset();
- m_tempNodes.reserve(childNodeCount);
- while (childNodeCount) {
- for (int i = 0; i < count; ++i) {
- if (beginIndices[i] != endIndices[i])
- m_heap.insert(IndexGeometryNodePair(i, m_transparentNodes.at(beginIndices[i]++)));
- }
- while (!m_heap.isEmpty()) {
- IndexGeometryNodePair pair = m_heap.pop();
- m_tempNodes.add(pair.second);
- --childNodeCount;
- int i = pair.first;
- if (beginIndices[i] != endIndices[i] && !nodeLessThan(m_transparentNodes.at(beginIndices[i]), pair.second))
- m_heap.insert(IndexGeometryNodePair(i, m_transparentNodes.at(beginIndices[i]++)));
- }
- }
- Q_ASSERT(m_tempNodes.size() == m_transparentNodes.size() - baseCount);
-
- qMemCopy(&m_transparentNodes.at(baseCount), &m_tempNodes.at(0), m_tempNodes.size() * sizeof(QSGGeometryNode *));
- }
- } else {
- for (QSGNode *c = node->firstChild(); c; c = c->nextSibling())
- buildLists(c);
- }
-}
-
-void QSGDefaultRenderer::renderNodes(const QDataBuffer<QSGGeometryNode *> &list)
-{
- const float scale = 1.0f / m_currentRenderOrder;
- int count = list.size();
- int currentRenderOrder = 0x80000000;
- m_current_projection_matrix.setColumn(2, scale * projectionMatrix().column(2));
-
- //int clipChangeCount = 0;
- //int programChangeCount = 0;
- //int materialChangeCount = 0;
-
- for (int i = 0; i < count; ++i) {
- QSGGeometryNode *geomNode = list.at(i);
-
- QSGMaterialShader::RenderState::DirtyStates updates;
-
-#if defined (QML_RUNTIME_TESTING)
- static bool dumpTree = qApp->arguments().contains(QLatin1String("--dump-tree"));
- if (dumpTree)
- qDebug() << geomNode;
-#endif
-
- bool changeMatrix = m_currentMatrix != geomNode->matrix();
-
- if (changeMatrix) {
- m_currentMatrix = geomNode->matrix();
- if (m_currentMatrix)
- m_current_model_view_matrix = *m_currentMatrix;
- else
- m_current_model_view_matrix.setToIdentity();
- updates |= QSGMaterialShader::RenderState::DirtyMatrix;
- }
-
- bool changeOpacity = m_current_opacity != geomNode->inheritedOpacity();
- if (changeOpacity) {
- updates |= QSGMaterialShader::RenderState::DirtyOpacity;
- m_current_opacity = geomNode->inheritedOpacity();
- }
-
- Q_ASSERT(geomNode->activeMaterial());
-
- QSGMaterial *material = geomNode->activeMaterial();
- QSGMaterialShader *program = m_context->prepareMaterial(material);
- Q_ASSERT(program->program()->isLinked());
-
- bool changeClip = geomNode->clipList() != m_currentClip;
- QSGRenderer::ClipType clipType = QSGRenderer::NoClip;
- if (changeClip) {
- // The clip function relies on there not being any depth testing..
- glDisable(GL_DEPTH_TEST);
- clipType = updateStencilClip(geomNode->clipList());
- glEnable(GL_DEPTH_TEST);
- m_currentClip = geomNode->clipList();
-#ifdef FORCE_NO_REORDER
- glDepthMask(false);
-#else
- glDepthMask((material->flags() & QSGMaterial::Blending) == 0 && m_current_opacity == 1);
-#endif
- //++clipChangeCount;
- }
-
- bool changeProgram = (changeClip && clipType == QSGRenderer::StencilClip) || m_currentProgram != program;
- if (changeProgram) {
- if (m_currentProgram)
- m_currentProgram->deactivate();
- m_currentProgram = program;
- m_currentProgram->activate();
- //++programChangeCount;
- updates |= (QSGMaterialShader::RenderState::DirtyMatrix | QSGMaterialShader::RenderState::DirtyOpacity);
-
-#ifdef RENDERER_DEBUG
- materialChanges++;
-#endif
- }
-
- bool changeRenderOrder = currentRenderOrder != geomNode->renderOrder();
- if (changeRenderOrder) {
- currentRenderOrder = geomNode->renderOrder();
- m_current_projection_matrix.setColumn(3, projectionMatrix().column(3)
- + currentRenderOrder
- * m_current_projection_matrix.column(2));
- updates |= QSGMaterialShader::RenderState::DirtyMatrix;
- }
-
- if (changeProgram || m_currentMaterial != material) {
- program->updateState(state(updates), material, changeProgram ? 0 : m_currentMaterial);
- m_currentMaterial = material;
- //++materialChangeCount;
- }
-
- //glDepthRange((geomNode->renderOrder() + 0.1) * scale, (geomNode->renderOrder() + 0.9) * scale);
-
- const QSGGeometry *g = geomNode->geometry();
- draw(program, g);
-
-#ifdef RENDERER_DEBUG
- geometryNodesDrawn++;
-#endif
- }
- //qDebug("Clip: %i, shader program: %i, material: %i times changed while drawing %s items",
- // clipChangeCount, programChangeCount, materialChangeCount,
- // &list == &m_transparentNodes ? "transparent" : "opaque");
-}
-
-QT_END_NAMESPACE
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