gralloc1 : initial implementation
Initial implementation of the gralloc1 APIs
Change-Id: I3b01595b0f9b30d9a08d02101fe42281556bd6a2
diff --git a/libgralloc1/gr_allocator.h b/libgralloc1/gr_allocator.h
new file mode 100644
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+++ b/libgralloc1/gr_allocator.h
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+/*
+ * Copyright (c) 2011-2016, The Linux Foundation. All rights reserved.
+
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ * * Neither the name of The Linux Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __GR_ALLOCATOR_H__
+#define __GR_ALLOCATOR_H__
+
+#ifdef MASTER_SIDE_CP
+#define SECURE_ALIGN SZ_4K
+#else
+#define SECURE_ALIGN SZ_1M
+#endif
+
+#include "gralloc_priv.h"
+#include "gr_buf_descriptor.h"
+#include "gr_adreno_info.h"
+#include "gr_ion_alloc.h"
+
+namespace gralloc1 {
+
+class Allocator {
+ public:
+ Allocator();
+ ~Allocator();
+ bool Init();
+ int AllocateBuffer(const BufferDescriptor &descriptor, private_handle_t **pHnd);
+ int MapBuffer(void **base, unsigned int size, unsigned int offset, int fd);
+ int FreeBuffer(void *base, unsigned int size, unsigned int offset, int fd);
+ int CleanBuffer(void *base, unsigned int size, unsigned int offset, int fd, int op);
+ int AllocateMem(AllocData *data, gralloc1_producer_usage_t prod_usage,
+ gralloc1_consumer_usage_t cons_usage);
+ bool IsMacroTileEnabled(int format, gralloc1_producer_usage_t prod_usage,
+ gralloc1_consumer_usage_t cons_usage);
+ // @return : index of the descriptor with maximum buffer size req
+ bool CheckForBufferSharing(uint32_t num_descriptors, const BufferDescriptor *descriptors,
+ int *max_index);
+ int GetImplDefinedFormat(gralloc1_producer_usage_t prod_usage,
+ gralloc1_consumer_usage_t cons_usage, int format);
+ unsigned int GetSize(const BufferDescriptor &d, unsigned int alignedw, unsigned int alignedh);
+ void GetBufferSizeAndDimensions(const BufferDescriptor &d, unsigned int *size,
+ unsigned int *alignedw, unsigned int *alignedh);
+ void GetBufferSizeAndDimensions(int width, int height, int format, unsigned int *size,
+ unsigned int *alignedw, unsigned int *alignedh);
+ void GetAlignedWidthAndHeight(const BufferDescriptor &d, unsigned int *aligned_w,
+ unsigned int *aligned_h);
+ void GetBufferAttributes(const BufferDescriptor &d, unsigned int *alignedw,
+ unsigned int *alignedh, int *tiled, unsigned int *size);
+ int GetYUVPlaneInfo(const private_handle_t *hnd, struct android_ycbcr *ycbcr);
+ int GetRgbDataAddress(private_handle_t *hnd, void **rgb_data);
+ bool UseUncached(gralloc1_producer_usage_t usage);
+ bool IsUBwcFormat(int format);
+ bool IsUBwcSupported(int format);
+ bool IsUBwcEnabled(int format, gralloc1_producer_usage_t prod_usage,
+ gralloc1_consumer_usage_t cons_usage);
+
+ private:
+ void GetYuvUBwcWidthAndHeight(int width, int height, int format, unsigned int *aligned_w,
+ unsigned int *aligned_h);
+ void GetYuvSPPlaneInfo(uint64_t base, uint32_t width, uint32_t height, uint32_t bpp,
+ struct android_ycbcr *ycbcr);
+ void GetYuvUbwcSPPlaneInfo(uint64_t base, uint32_t width, uint32_t height, int color_format,
+ struct android_ycbcr *ycbcr);
+ void GetRgbUBwcBlockSize(uint32_t bpp, int *block_width, int *block_height);
+ unsigned int GetRgbUBwcMetaBufferSize(int width, int height, uint32_t bpp);
+ unsigned int GetUBwcSize(int width, int height, int format, unsigned int alignedw,
+ unsigned int alignedh);
+ void GetIonHeapInfo(gralloc1_producer_usage_t prod_usage, gralloc1_consumer_usage_t cons_usage,
+ unsigned int *ion_heap_id, unsigned int *alloc_type, unsigned int *ion_flags);
+
+ bool gpu_support_macrotile = false;
+ bool display_support_macrotile = false;
+ IonAlloc *ion_allocator_ = NULL;
+ AdrenoMemInfo *adreno_helper_ = NULL;
+};
+
+} // namespace gralloc1
+
+#endif // __GR_ALLOCATOR_H__