summaryrefslogtreecommitdiffstats
path: root/src/opengl/qgl.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/opengl/qgl.cpp')
-rw-r--r--src/opengl/qgl.cpp154
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)
{