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-rw-r--r--src/opengl/qwindowsurface_gl.cpp73
1 files changed, 69 insertions, 4 deletions
diff --git a/src/opengl/qwindowsurface_gl.cpp b/src/opengl/qwindowsurface_gl.cpp
index cddc53f..525c877 100644
--- a/src/opengl/qwindowsurface_gl.cpp
+++ b/src/opengl/qwindowsurface_gl.cpp
@@ -86,6 +86,10 @@
#include "qgl_cl_p.h"
#endif
+#ifdef QT_OPENGL_ES
+#include <private/qegl_p.h>
+#endif
+
QT_BEGIN_NAMESPACE
//
@@ -326,6 +330,10 @@ QGLWindowSurface::~QGLWindowSurface()
void QGLWindowSurface::deleted(QObject *object)
{
+ // Make sure that the fbo is destroyed before destroying its context.
+ delete d_ptr->fbo;
+ d_ptr->fbo = 0;
+
QWidget *widget = qobject_cast<QWidget *>(object);
if (widget) {
QWidgetPrivate *widgetPrivate = widget->d_func();
@@ -352,6 +360,17 @@ void QGLWindowSurface::hijackWindow(QWidget *widget)
QGLContext *ctx = new QGLContext(surfaceFormat, widget);
ctx->create(qt_gl_share_widget()->context());
+#if defined(Q_WS_X11) && defined(QT_OPENGL_ES)
+ // Create the EGL surface to draw into. QGLContext::chooseContext()
+ // does not do this for X11/EGL, but does do it for other platforms.
+ // This probably belongs in qgl_x11egl.cpp.
+ QGLContextPrivate *ctxpriv = ctx->d_func();
+ ctxpriv->eglSurface = ctxpriv->eglContext->createSurface(widget);
+ if (ctxpriv->eglSurface == EGL_NO_SURFACE) {
+ qWarning() << "hijackWindow() could not create EGL surface";
+ }
+#endif
+
widgetPrivate->extraData()->glContext = ctx;
union { QGLContext **ctxPtr; void **voidPtr; };
@@ -584,6 +603,42 @@ void QGLWindowSurface::flush(QWidget *widget, const QRegion &rgn, const QPoint &
if (d_ptr->fbo)
d_ptr->fbo->bind();
}
+#else
+ // OpenGL/ES 2.0 version of the fbo blit.
+ else if (d_ptr->fbo) {
+ GLuint texture = d_ptr->fbo->texture();
+
+ glDisable(GL_DEPTH_TEST);
+
+ if (d_ptr->fbo->isBound())
+ d_ptr->fbo->release();
+
+ glViewport(0, 0, size.width(), size.height());
+
+ QGLShaderProgram *blitProgram =
+ QGLEngineSharedShaders::shadersForContext(ctx)->blitProgram();
+ blitProgram->enable();
+ blitProgram->setUniformValue("imageTexture", 0 /*QT_IMAGE_TEXTURE_UNIT*/);
+
+ // The shader manager's blit program does not multiply the
+ // vertices by the pmv matrix, so we need to do the effect
+ // of the orthographic projection here ourselves.
+ QRectF r;
+ qreal w = size.width() ? size.width() : 1.0f;
+ qreal h = size.height() ? size.height() : 1.0f;
+ r.setLeft((rect.left() / w) * 2.0f - 1.0f);
+ if (rect.right() == (size.width() - 1))
+ r.setRight(1.0f);
+ else
+ r.setRight((rect.right() / w) * 2.0f - 1.0f);
+ r.setBottom((rect.top() / h) * 2.0f - 1.0f);
+ if (rect.bottom() == (size.height() - 1))
+ r.setTop(1.0f);
+ else
+ r.setTop((rect.bottom() / w) * 2.0f - 1.0f);
+
+ drawTexture(r, texture, window()->size(), br);
+ }
#endif
if (ctx->format().doubleBuffer())
@@ -635,9 +690,6 @@ void QGLWindowSurface::updateGeometry() {
if (d_ptr->destructive_swap_buffers
&& (QGLExtensions::glExtensions & QGLExtensions::FramebufferObject)
-#ifdef QT_OPENGL_ES_2
- && (QGLExtensions::glExtensions & QGLExtensions::FramebufferBlit)
-#endif
&& (d_ptr->fbo || !d_ptr->tried_fbo)
&& qt_gl_preferGL2Engine())
{
@@ -805,10 +857,23 @@ static void drawTexture(const QRectF &rect, GLuint tex_id, const QSize &texSize,
glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
glDisableClientState(GL_VERTEX_ARRAY);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
-#endif
glDisable(target);
glBindTexture(target, 0);
+#else
+ glVertexAttribPointer(QT_VERTEX_COORDS_ATTR, 2, GL_FLOAT, GL_FALSE, 0, vertexArray);
+ glVertexAttribPointer(QT_TEXTURE_COORDS_ATTR, 2, GL_FLOAT, GL_FALSE, 0, texCoordArray);
+
+ glBindTexture(target, tex_id);
+
+ glEnableVertexAttribArray(QT_VERTEX_COORDS_ATTR);
+ glEnableVertexAttribArray(QT_TEXTURE_COORDS_ATTR);
+ glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
+ glDisableVertexAttribArray(QT_VERTEX_COORDS_ATTR);
+ glDisableVertexAttribArray(QT_TEXTURE_COORDS_ATTR);
+
+ glBindTexture(target, 0);
+#endif
}
QImage *QGLWindowSurface::buffer(const QWidget *widget)