Initial import

[glmemperf] / cpuinterleavingtest.h

diff --git a/cpuinterleavingtest.h b/cpuinterleavingtest.h
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+/**
+ * OpenGL ES 2.0 memory performance estimator
+ * Copyright (C) 2009 Nokia
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * \author Sami Kyöstilä <sami.kyostila@nokia.com>
+ *
+ * CPU texture streaming test
+ */
+#ifndef CPUINTERLEAVINGTEST_H
+#define CPUINTERLEAVINGTEST_H
+
+#include "blittest.h"
+#include "util.h"
+#include <map>
+#include <EGL/egl.h>
+#include <X11/extensions/XShm.h>
+
+enum CPUInterleavingMethod
+{
+    CPUI_TEXTURE_UPLOAD,
+    CPUI_XSHM_IMAGE,
+    /*CPUI_XSHM_PIXMAP, xshm pixmaps are generally not supported anymore */
+    CPUI_IMG_TEXTURE_STREAMING,
+    CPUI_PIXEL_BUFFER_OBJECT,
+    CPUI_EGL_LOCK_SURFACE,
+};
+
+const int CPUI_MAX_BUFFERS = 2;
+
+class CPUInterleavingTest: public BlitTest
+{
+    CPUInterleavingMethod m_method;
+    int m_buffers;
+    GLuint m_textures[CPUI_MAX_BUFFERS];
+    
+    char* m_textureData[CPUI_MAX_BUFFERS];
+    int m_dataStride;
+    int m_dataBitsPerPixel;
+
+    int m_readBuffer;
+    int m_writeBuffer;
+
+    Pixmap m_pixmaps[CPUI_MAX_BUFFERS];
+    EGLSurface m_surfaces[CPUI_MAX_BUFFERS];
+    EGLConfig m_config;
+    
+    XShmSegmentInfo m_shminfo[CPUI_MAX_BUFFERS];
+    XImage* m_ximage[CPUI_MAX_BUFFERS];
+    GC m_gc[CPUI_MAX_BUFFERS];
+    int m_completionEvent;
+    std::map<Drawable, int> m_drawableIndex;
+    bool m_writeCompleted[CPUI_MAX_BUFFERS];
+
+public:
+    CPUInterleavingTest(CPUInterleavingMethod method, int buffers,
+                       int bitsPerPixel,
+                       int width, int height,
+                        float texW = 1.0f, float texH = 1.0f);
+
+    void prepare();
+    void operator()(int frame);
+    void teardown();
+
+    std::string name() const;
+};
+
+#endif // CPUINTERLEAVINGTEST_H