diff options
Diffstat (limited to 'src/opengl/qgl.cpp')
-rw-r--r-- | src/opengl/qgl.cpp | 154 |
1 files changed, 116 insertions, 38 deletions
diff --git a/src/opengl/qgl.cpp b/src/opengl/qgl.cpp index 634231db79..a43f1d4176 100644 --- a/src/opengl/qgl.cpp +++ b/src/opengl/qgl.cpp @@ -91,6 +91,7 @@ #include "qcolormap.h" #include "qfile.h" #include "qlibrary.h" +#include <qmutex.h> QT_BEGIN_NAMESPACE @@ -1255,6 +1256,8 @@ QGLFormat::OpenGLVersionFlags Q_AUTOTEST_EXPORT qOpenGLVersionFlagsFromString(co QGLFormat::OpenGL_Version_2_1 | QGLFormat::OpenGL_Version_3_0; switch (versionString[2].toAscii()) { + case '3': + versionFlags |= QGLFormat::OpenGL_Version_3_3; case '2': versionFlags |= QGLFormat::OpenGL_Version_3_2; case '1': @@ -1263,9 +1266,23 @@ QGLFormat::OpenGLVersionFlags Q_AUTOTEST_EXPORT qOpenGLVersionFlagsFromString(co break; default: versionFlags |= QGLFormat::OpenGL_Version_3_1 | - QGLFormat::OpenGL_Version_3_2; + QGLFormat::OpenGL_Version_3_2 | + QGLFormat::OpenGL_Version_3_3; break; } + } else if (versionString.startsWith(QLatin1String("4."))) { + versionFlags |= QGLFormat::OpenGL_Version_1_1 | + QGLFormat::OpenGL_Version_1_2 | + QGLFormat::OpenGL_Version_1_3 | + QGLFormat::OpenGL_Version_1_4 | + QGLFormat::OpenGL_Version_1_5 | + QGLFormat::OpenGL_Version_2_0 | + QGLFormat::OpenGL_Version_2_1 | + QGLFormat::OpenGL_Version_3_0 | + QGLFormat::OpenGL_Version_3_1 | + QGLFormat::OpenGL_Version_3_2 | + QGLFormat::OpenGL_Version_3_3 | + QGLFormat::OpenGL_Version_4_0; } else { versionFlags |= QGLFormat::OpenGL_Version_1_1 | QGLFormat::OpenGL_Version_1_2 | @@ -1276,7 +1293,9 @@ QGLFormat::OpenGLVersionFlags Q_AUTOTEST_EXPORT qOpenGLVersionFlagsFromString(co QGLFormat::OpenGL_Version_2_1 | QGLFormat::OpenGL_Version_3_0 | QGLFormat::OpenGL_Version_3_1 | - QGLFormat::OpenGL_Version_3_2; + QGLFormat::OpenGL_Version_3_2 | + QGLFormat::OpenGL_Version_3_3 | + QGLFormat::OpenGL_Version_4_0; } } return versionFlags; @@ -1519,10 +1538,33 @@ bool operator!=(const QGLFormat& a, const QGLFormat& b) return !(a == b); } +struct QGLContextGroupList { + void append(QGLContextGroup *group) { + QMutexLocker locker(&m_mutex); + m_list.append(group); + } + + void remove(QGLContextGroup *group) { + QMutexLocker locker(&m_mutex); + m_list.removeOne(group); + } + + QList<QGLContextGroup *> m_list; + QMutex m_mutex; +}; + +Q_GLOBAL_STATIC(QGLContextGroupList, qt_context_groups) + /***************************************************************************** QGLContext implementation *****************************************************************************/ +QGLContextGroup::QGLContextGroup(const QGLContext *context) + : m_context(context), m_guards(0), m_refs(1) +{ + qt_context_groups()->append(this); +} + QGLContextGroup::~QGLContextGroup() { // Clear any remaining QGLSharedResourceGuard objects on the group. @@ -1532,6 +1574,7 @@ QGLContextGroup::~QGLContextGroup() guard->m_id = 0; guard = guard->m_next; } + qt_context_groups()->remove(this); } void QGLContextGroup::addGuard(QGLSharedResourceGuard *guard) @@ -1619,6 +1662,9 @@ void QGLContextPrivate::init(QPaintDevice *dev, const QGLFormat &format) current_fbo = 0; default_fbo = 0; active_engine = 0; + workaround_needsFullClearOnEveryFrame = false; + workaround_brokenFBOReadBack = false; + workaroundsCached = false; for (int i = 0; i < QT_GL_VERTEX_ARRAY_TRACKED_COUNT; ++i) vertexAttributeArraysEnabledState[i] = false; } @@ -1730,7 +1776,6 @@ QGLTextureCache::QGLTextureCache() QGLTextureCache::~QGLTextureCache() { - Q_ASSERT(size() == 0); QImagePixmapCleanupHooks::instance()->removePixmapDataModificationHook(cleanupTexturesForPixampData); QImagePixmapCleanupHooks::instance()->removePixmapDataDestructionHook(cleanupBeforePixmapDestruction); QImagePixmapCleanupHooks::instance()->removeImageHook(cleanupTexturesForCacheKey); @@ -1741,7 +1786,7 @@ void QGLTextureCache::insert(QGLContext* ctx, qint64 key, QGLTexture* texture, i QWriteLocker locker(&m_lock); if (m_cache.totalCost() + cost > m_cache.maxCost()) { // the cache is full - make an attempt to remove something - const QList<qint64> keys = m_cache.keys(); + const QList<QGLTextureCacheKey> keys = m_cache.keys(); int i = 0; while (i < m_cache.count() && (m_cache.totalCost() + cost > m_cache.maxCost())) { @@ -1751,13 +1796,26 @@ void QGLTextureCache::insert(QGLContext* ctx, qint64 key, QGLTexture* texture, i ++i; } } - m_cache.insert(key, texture, cost); + const QGLTextureCacheKey cacheKey = {key, QGLContextPrivate::contextGroup(ctx)}; + m_cache.insert(cacheKey, texture, cost); +} + +void QGLTextureCache::remove(qint64 key) +{ + QWriteLocker locker(&m_lock); + QMutexLocker groupLocker(&qt_context_groups()->m_mutex); + QList<QGLContextGroup *>::const_iterator it = qt_context_groups()->m_list.constBegin(); + while (it != qt_context_groups()->m_list.constEnd()) { + const QGLTextureCacheKey cacheKey = {key, *it}; + m_cache.remove(cacheKey); + ++it; + } } bool QGLTextureCache::remove(QGLContext* ctx, GLuint textureId) { QWriteLocker locker(&m_lock); - QList<qint64> keys = m_cache.keys(); + QList<QGLTextureCacheKey> keys = m_cache.keys(); for (int i = 0; i < keys.size(); ++i) { QGLTexture *tex = m_cache.object(keys.at(i)); if (tex->id == textureId && tex->context == ctx) { @@ -1772,9 +1830,9 @@ bool QGLTextureCache::remove(QGLContext* ctx, GLuint textureId) void QGLTextureCache::removeContextTextures(QGLContext* ctx) { QWriteLocker locker(&m_lock); - QList<qint64> keys = m_cache.keys(); + QList<QGLTextureCacheKey> keys = m_cache.keys(); for (int i = 0; i < keys.size(); ++i) { - const qint64 &key = keys.at(i); + const QGLTextureCacheKey &key = keys.at(i); if (m_cache.object(key)->context == ctx) m_cache.remove(key); } @@ -1787,7 +1845,6 @@ void QGLTextureCache::removeContextTextures(QGLContext* ctx) void QGLTextureCache::cleanupTexturesForCacheKey(qint64 cacheKey) { qt_gl_texture_cache()->remove(cacheKey); - Q_ASSERT(qt_gl_texture_cache()->getTexture(cacheKey) == 0); } @@ -2430,7 +2487,7 @@ QGLTexture* QGLContextPrivate::bindTexture(const QImage &image, GLenum target, G QGLTexture *QGLContextPrivate::textureCacheLookup(const qint64 key, GLenum target) { Q_Q(QGLContext); - QGLTexture *texture = QGLTextureCache::instance()->getTexture(key); + QGLTexture *texture = QGLTextureCache::instance()->getTexture(q, key); if (texture && texture->target == target && (texture->context == q || QGLContext::areSharing(q, texture->context))) { @@ -2780,23 +2837,27 @@ static void qDrawTextureRect(const QRectF &target, GLint textureWidth, GLint tex /*! \since 4.4 - Draws the given texture, \a textureId, to the given target rectangle, - \a target, in OpenGL model space. The \a textureTarget should be a 2D - texture target. + This function supports the following use cases: + + \list + \i On OpenGL and OpenGL ES 1.x it draws the given texture, \a textureId, + to the given target rectangle, \a target, in OpenGL model space. The + \a textureTarget should be a 2D texture target. + \i On OpenGL and OpenGL ES 2.x, if a painter is active, not inside a + beginNativePainting / endNativePainting block, and uses the + engine with type QPaintEngine::OpenGL2, the function will draw the given + texture, \a textureId, to the given target rectangle, \a target, + respecting the current painter state. This will let you draw a texture + with the clip, transform, render hints, and composition mode set by the + painter. Note that the texture target needs to be GL_TEXTURE_2D for this + use case, and that this is the only supported use case under OpenGL ES 2.x. + \endlist - \note This function is not supported under OpenGL/ES 2.0. */ void QGLContext::drawTexture(const QRectF &target, GLuint textureId, GLenum textureTarget) { -#ifndef QT_OPENGL_ES_2 -#ifdef QT_OPENGL_ES - if (textureTarget != GL_TEXTURE_2D) { - qWarning("QGLContext::drawTexture(): texture target must be GL_TEXTURE_2D on OpenGL ES"); - return; - } -#else - - if (d_ptr->active_engine && +#if !defined(QT_OPENGL_ES) || defined(QT_OPENGL_ES_2) + if (d_ptr->active_engine && d_ptr->active_engine->type() == QPaintEngine::OpenGL2) { QGL2PaintEngineEx *eng = static_cast<QGL2PaintEngineEx*>(d_ptr->active_engine); if (!eng->isNativePaintingActive()) { @@ -2806,7 +2867,15 @@ void QGLContext::drawTexture(const QRectF &target, GLuint textureId, GLenum text return; } } +#endif +#ifndef QT_OPENGL_ES_2 +#ifdef QT_OPENGL_ES + if (textureTarget != GL_TEXTURE_2D) { + qWarning("QGLContext::drawTexture(): texture target must be GL_TEXTURE_2D on OpenGL ES"); + return; + } +#else const bool wasEnabled = glIsEnabled(GL_TEXTURE_2D); GLint oldTexture; glGetIntegerv(GL_TEXTURE_BINDING_2D, &oldTexture); @@ -2828,7 +2897,7 @@ void QGLContext::drawTexture(const QRectF &target, GLuint textureId, GLenum text Q_UNUSED(target); Q_UNUSED(textureId); Q_UNUSED(textureTarget); - qWarning("drawTexture(const QRectF &target, GLuint textureId, GLenum textureTarget) not supported with OpenGL ES/2.0"); + qWarning("drawTexture() with OpenGL ES 2.0 requires an active OpenGL2 paint engine"); #endif } @@ -2843,14 +2912,26 @@ void QGLContext::drawTexture(const QRectF &target, QMacCompatGLuint textureId, Q /*! \since 4.4 - Draws the given texture at the given \a point in OpenGL model - space. The \a textureTarget should be a 2D texture target. + This function supports the following use cases: + + \list + \i By default it draws the given texture, \a textureId, + at the given \a point in OpenGL model space. The + \a textureTarget should be a 2D texture target. + \i If a painter is active, not inside a + beginNativePainting / endNativePainting block, and uses the + engine with type QPaintEngine::OpenGL2, the function will draw the given + texture, \a textureId, at the given \a point, + respecting the current painter state. This will let you draw a texture + with the clip, transform, render hints, and composition mode set by the + painter. Note that the texture target needs to be GL_TEXTURE_2D for this + use case. + \endlist - \note This function is not supported under OpenGL/ES. + \note This function is not supported under any version of OpenGL ES. */ void QGLContext::drawTexture(const QPointF &point, GLuint textureId, GLenum textureTarget) { - // this would be ok on OpenGL ES 2.0, but currently we don't have a define for that #ifdef QT_OPENGL_ES Q_UNUSED(point); Q_UNUSED(textureId); @@ -2871,7 +2952,7 @@ void QGLContext::drawTexture(const QPointF &point, GLuint textureId, GLenum text glGetTexLevelParameteriv(textureTarget, 0, GL_TEXTURE_WIDTH, &textureWidth); glGetTexLevelParameteriv(textureTarget, 0, GL_TEXTURE_HEIGHT, &textureHeight); - if (d_ptr->active_engine && + if (d_ptr->active_engine && d_ptr->active_engine->type() == QPaintEngine::OpenGL2) { QGL2PaintEngineEx *eng = static_cast<QGL2PaintEngineEx*>(d_ptr->active_engine); if (!eng->isNativePaintingActive()) { @@ -3600,8 +3681,10 @@ QGLWidget::~QGLWidget() bool doRelease = (glcx && glcx->windowCreated()); #endif delete d->glcx; + d->glcx = 0; #if defined(Q_WGL) delete d->olcx; + d->olcx = 0; #endif #if defined(GLX_MESA_release_buffers) && defined(QGL_USE_MESA_EXT) if (doRelease) @@ -4918,11 +5001,8 @@ void QGLWidget::deleteTexture(QMacCompatGLuint id) /*! \since 4.4 - Draws the given texture, \a textureId to the given target rectangle, - \a target, in OpenGL model space. The \a textureTarget should be a 2D - texture target. - - Equivalent to the corresponding QGLContext::drawTexture(). + Calls the corresponding QGLContext::drawTexture() on + this widget's context. */ void QGLWidget::drawTexture(const QRectF &target, GLuint textureId, GLenum textureTarget) { @@ -4942,10 +5022,8 @@ void QGLWidget::drawTexture(const QRectF &target, QMacCompatGLuint textureId, QM /*! \since 4.4 - Draws the given texture, \a textureId, at the given \a point in OpenGL - model space. The \a textureTarget should be a 2D texture target. - - Equivalent to the corresponding QGLContext::drawTexture(). + Calls the corresponding QGLContext::drawTexture() on + this widget's context. */ void QGLWidget::drawTexture(const QPointF &point, GLuint textureId, GLenum textureTarget) { |