initial GL libraries for msm8960

Change-Id: I16451c70a079894ac326d3564d96f1fbafcd4f1b
Signed-off-by: Iliyan Malchev <malchev@google.com>

1 files changed, 82 insertions, 0 deletions

diff --git a/libgralloc/gr.h b/libgralloc/gr.h
new file mode 100644
index 000000000..cc36d9ae4
--- /dev/null
+++ b/libgralloc/gr.h
@@ -0,0 +1,82 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ * Copyright (c) 2011 Code Aurora Forum. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef GR_H_
+#define GR_H_
+
+#include <stdint.h>
+#ifdef HAVE_ANDROID_OS      // just want PAGE_SIZE define
+# include <asm/page.h>
+#else
+# include <sys/user.h>
+#endif
+#include <limits.h>
+#include <sys/cdefs.h>
+#include <hardware/gralloc.h>
+#include <pthread.h>
+#include <errno.h>
+
+#include <cutils/native_handle.h>
+
+/*****************************************************************************/
+
+struct private_module_t;
+struct private_handle_t;
+
+inline size_t roundUpToPageSize(size_t x) {
+    return (x + (PAGE_SIZE-1)) & ~(PAGE_SIZE-1);
+}
+
+inline size_t ALIGN(size_t x, size_t align) {
+    return (x + align-1) & ~(align-1);
+}
+
+#define FALSE 0
+#define TRUE  1
+
+int mapFrameBufferLocked(struct private_module_t* module);
+int terminateBuffer(gralloc_module_t const* module, private_handle_t* hnd);
+size_t getBufferSizeAndDimensions(int width, int height, int format,
+                        int& alignedw, int &alignedh);
+
+int decideBufferHandlingMechanism(int format, const char *compositionUsed,
+                                   int hasBlitEngine, int *needConversion,
+                                   int *useBufferDirectly);
+
+// Allocate buffer from width, height, format into a private_handle_t
+// It is the responsibility of the caller to free the buffer
+int alloc_buffer(private_handle_t **pHnd, int w, int h, int format, int usage);
+void free_buffer(private_handle_t *hnd);
+
+/*****************************************************************************/
+
+class Locker {
+    pthread_mutex_t mutex;
+public:
+    class Autolock {
+        Locker& locker;
+    public:
+        inline Autolock(Locker& locker) : locker(locker) {  locker.lock(); }
+        inline ~Autolock() { locker.unlock(); }
+    };
+    inline Locker()        { pthread_mutex_init(&mutex, 0); }
+    inline ~Locker()       { pthread_mutex_destroy(&mutex); }
+    inline void lock()     { pthread_mutex_lock(&mutex); }
+    inline void unlock()   { pthread_mutex_unlock(&mutex); }
+};
+
+#endif /* GR_H_ */