forked from eden-emu/eden
156 lines
5.2 KiB
C++
156 lines
5.2 KiB
C++
/*
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* Copyright (c) 2011-2016,2018-2019, The Linux Foundation. All rights reserved.
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of The Linux Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __GR_UTILS_H__
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#define __GR_UTILS_H__
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#include "gralloc_priv.h"
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#include "types/common.h"
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#define SZ_2M 0x200000
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#define SZ_1M 0x100000
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#define SZ_4K 0x1000
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#define SIZE_4K 4096
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#define SIZE_8K 8192
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#ifdef SLAVE_SIDE_CP
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#define SECURE_ALIGN SZ_1M
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#else // MASTER_SIDE_CP
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#define SECURE_ALIGN SZ_4K
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#endif
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#define INT(exp) static_cast<int>(exp)
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#define UINT(exp) static_cast<unsigned int>(exp)
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using android::hardware::graphics::common::V1_1::BufferUsage;
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namespace gralloc {
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struct BufferInfo {
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BufferInfo(int w, int h, int f, uint64_t usage = 0)
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: width(w), height(h), format(f), layer_count(1), usage(usage) {}
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int width;
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int height;
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int format;
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int layer_count;
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uint64_t usage;
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};
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template <class Type1, class Type2>
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inline Type1 ALIGN(Type1 x, Type2 align) {
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return (Type1)((x + (Type1)align - 1) & ~((Type1)align - 1));
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}
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enum PlaneComponent {
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/* luma */
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PLANE_COMPONENT_Y = 1 << 0,
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/* chroma blue */
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PLANE_COMPONENT_Cb = 1 << 1,
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/* chroma red */
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PLANE_COMPONENT_Cr = 1 << 2,
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/* red */
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PLANE_COMPONENT_R = 1 << 10,
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/* green */
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PLANE_COMPONENT_G = 1 << 11,
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/* blue */
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PLANE_COMPONENT_B = 1 << 12,
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/* alpha */
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PLANE_COMPONENT_A = 1 << 20,
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/* raw data plane */
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PLANE_COMPONENT_RAW = 1 << 30,
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/* meta information plane */
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PLANE_COMPONENT_META = 1 << 31,
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};
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struct PlaneLayoutInfo {
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/** Components represented the type of plane. */
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PlaneComponent component;
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/** horizontal subsampling. Must be a positive power of 2. */
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uint32_t h_subsampling;
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/** vertical subsampling. Must be a positive power of 2. */
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uint32_t v_subsampling;
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/** offset to the first byte of the top-left pixel of the plane
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* and it is calculated from the start of the buffer.
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* Add base of the handle with offset to get the first byte of the plane.
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*/
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uint32_t offset;
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/** step is the distance in bytes from one pixel value to the next. */
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int32_t step;
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/** stride of the plane in pixels */
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int32_t stride;
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/** stride of the plane in in bytes */
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int32_t stride_bytes;
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/** plane height or vertical stride */
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int32_t scanlines;
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/** size of the plane in bytes */
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uint32_t size;
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};
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bool IsCompressedRGBFormat(int format);
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bool IsUncompressedRGBFormat(int format);
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uint32_t GetBppForUncompressedRGB(int format);
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bool CpuCanAccess(uint64_t usage);
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bool CpuCanRead(uint64_t usage);
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bool CpuCanWrite(uint64_t usage);
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unsigned int GetSize(const BufferInfo& d, unsigned int alignedw, unsigned int alignedh);
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void GetRGBPlaneInfo(const BufferInfo& info, int32_t format, int32_t width, int32_t height,
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int32_t flags, int* plane_count, PlaneLayoutInfo* plane_info);
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unsigned int GetRgbMetaSize(int format, uint32_t width, uint32_t height, uint64_t usage);
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bool IsUBwcFormat(int format);
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bool IsUBwcSupported(int format);
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bool IsUBwcPISupported(int format, uint64_t usage);
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bool IsUBwcEnabled(int format, uint64_t usage);
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void GetRgbUBwcBlockSize(uint32_t bpp, int* block_width, int* block_height);
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unsigned int GetRgbUBwcMetaBufferSize(int width, int height, uint32_t bpp);
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unsigned int GetUBwcSize(int width, int height, int format, unsigned int alignedw,
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unsigned int alignedh);
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uint32_t GetDataAlignment(int format, uint64_t usage);
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bool CanUseAdrenoForSize(int buffer_type, uint64_t usage);
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bool GetAdrenoSizeAPIStatus();
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bool UseUncached(int format, uint64_t usage);
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uint64_t GetHandleFlags(int format, uint64_t usage);
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int GetImplDefinedFormat(uint64_t usage, int format);
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int GetCustomFormatFlags(int format, uint64_t usage, int* custom_format, uint64_t* priv_flags);
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bool IsGPUFlagSupported(uint64_t usage);
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bool HasAlphaComponent(int32_t format);
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} // namespace gralloc
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#endif // __GR_UTILS_H__
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