1 files changed, 135 insertions, 0 deletions
diff --git a/elements/gstqtvideosink/painters/openglsurfacepainter.h b/elements/gstqtvideosink/painters/openglsurfacepainter.h
new file mode 100644
index 0000000..c1e2dd0
--- /dev/null
+++ b/elements/gstqtvideosink/painters/openglsurfacepainter.h
@@ -0,0 +1,135 @@
+/*
+    Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). <qt-info@nokia.com>
+    Copyright (C) 2011-2012 Collabora Ltd. <info@collabora.com>
+
+    This library is free software; you can redistribute it and/or modify
+    it under the terms of the GNU Lesser General Public License version 2.1
+    as published by the Free Software Foundation.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+#ifndef OPENGLSURFACEPAINTER_H
+#define OPENGLSURFACEPAINTER_H
+
+#ifndef GST_QT_VIDEO_SINK_NO_OPENGL
+
+#include "abstractsurfacepainter.h"
+#include <QGLShaderProgram>
+
+#ifndef Q_WS_MAC
+# ifndef APIENTRYP
+#   ifdef APIENTRY
+#     define APIENTRYP APIENTRY *
+#   else
+#     define APIENTRY
+#     define APIENTRYP *
+#   endif
+# endif
+#else
+# define APIENTRY
+# define APIENTRYP *
+#endif
+
+class OpenGLSurfacePainter : public AbstractSurfacePainter
+{
+public:
+    OpenGLSurfacePainter();
+
+    static QSet<GstVideoFormat> supportedPixelFormats();
+
+    virtual bool supportsFormat(GstVideoFormat format) const {
+        return supportedPixelFormats().contains(format);
+    }
+
+    virtual void updateColors(int brightness, int contrast, int hue, int saturation);
+    virtual void paint(quint8 *data, const BufferFormat & frameFormat, const QRectF & clipRect,
+                       QPainter *painter, const PaintAreas & areas);
+
+protected:
+    void initRgbTextureInfo(GLenum internalFormat, GLuint format, GLenum type, const QSize &size);
+    void initYuv420PTextureInfo(const QSize &size);
+    void initYv12TextureInfo(const QSize &size);
+
+    virtual void paintImpl(const QPainter *painter,
+                           const GLfloat *vertexCoordArray,
+                           const GLfloat *textureCoordArray) = 0;
+
+#ifndef QT_OPENGL_ES
+    typedef void (APIENTRY *_glActiveTexture) (GLenum);
+    _glActiveTexture glActiveTexture;
+#endif
+
+    GLenum m_textureFormat;
+    GLuint m_textureInternalFormat;
+    GLenum m_textureType;
+    int m_textureCount;
+    GLuint m_textureIds[3];
+    int m_textureWidths[3];
+    int m_textureHeights[3];
+    int m_textureOffsets[3];
+
+    QMatrix4x4 m_colorMatrix;
+    GstVideoColorMatrix m_videoColorMatrix;
+};
+
+#ifndef QT_OPENGL_ES
+
+class ArbFpSurfacePainter : public OpenGLSurfacePainter
+{
+public:
+    ArbFpSurfacePainter();
+
+    virtual void init(const BufferFormat & format);
+    virtual void cleanup();
+
+protected:
+    virtual void paintImpl(const QPainter *painter,
+                           const GLfloat *vertexCoordArray,
+                           const GLfloat *textureCoordArray);
+
+private:
+    typedef void (APIENTRY *_glProgramStringARB) (GLenum, GLenum, GLsizei, const GLvoid *);
+    typedef void (APIENTRY *_glBindProgramARB) (GLenum, GLuint);
+    typedef void (APIENTRY *_glDeleteProgramsARB) (GLsizei, const GLuint *);
+    typedef void (APIENTRY *_glGenProgramsARB) (GLsizei, GLuint *);
+    typedef void (APIENTRY *_glProgramLocalParameter4fARB) (
+            GLenum, GLuint, GLfloat, GLfloat, GLfloat, GLfloat);
+    typedef void (APIENTRY *_glActiveTexture) (GLenum);
+
+    _glProgramStringARB glProgramStringARB;
+    _glBindProgramARB glBindProgramARB;
+    _glDeleteProgramsARB glDeleteProgramsARB;
+    _glGenProgramsARB glGenProgramsARB;
+    _glProgramLocalParameter4fARB glProgramLocalParameter4fARB;
+
+    GLuint m_programId;
+};
+
+#endif
+
+class GlslSurfacePainter : public OpenGLSurfacePainter
+{
+public:
+    GlslSurfacePainter();
+
+    virtual void init(const BufferFormat & format);
+    virtual void cleanup();
+
+protected:
+    virtual void paintImpl(const QPainter *painter,
+                           const GLfloat *vertexCoordArray,
+                           const GLfloat *textureCoordArray);
+
+private:
+    QGLShaderProgram m_program;
+};
+
+#endif // GST_QT_VIDEO_SINK_NO_OPENGL
+
+#endif // OPENGLSURFACEPAINTER_H