Mathias Agopian | 3330b20 | 2009-10-05 17:07:12 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2007 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #include <stdlib.h> |
| 18 | #include <stdint.h> |
| 19 | #include <sys/types.h> |
| 20 | |
| 21 | #include <binder/Parcel.h> |
| 22 | |
| 23 | #include <utils/Errors.h> |
| 24 | #include <utils/Log.h> |
| 25 | |
| 26 | #include <ui/GraphicBuffer.h> |
| 27 | #include <ui/GraphicBufferAllocator.h> |
| 28 | #include <ui/GraphicBufferMapper.h> |
| 29 | #include <ui/PixelFormat.h> |
| 30 | |
| 31 | #include <pixelflinger/pixelflinger.h> |
| 32 | |
| 33 | namespace android { |
| 34 | |
| 35 | // =========================================================================== |
| 36 | // Buffer and implementation of android_native_buffer_t |
| 37 | // =========================================================================== |
| 38 | |
| 39 | GraphicBuffer::GraphicBuffer() |
Mathias Agopian | 54ba51d | 2009-10-26 20:12:37 -0700 | [diff] [blame] | 40 | : BASE(), mOwner(ownData), mBufferMapper(GraphicBufferMapper::get()), |
Mathias Agopian | 3330b20 | 2009-10-05 17:07:12 -0700 | [diff] [blame] | 41 | mInitCheck(NO_ERROR), mVStride(0), mIndex(-1) |
| 42 | { |
| 43 | width = |
| 44 | height = |
| 45 | stride = |
| 46 | format = |
| 47 | usage = 0; |
| 48 | handle = NULL; |
| 49 | } |
| 50 | |
| 51 | GraphicBuffer::GraphicBuffer(uint32_t w, uint32_t h, |
| 52 | PixelFormat reqFormat, uint32_t reqUsage) |
Mathias Agopian | 54ba51d | 2009-10-26 20:12:37 -0700 | [diff] [blame] | 53 | : BASE(), mOwner(ownData), mBufferMapper(GraphicBufferMapper::get()), |
Mathias Agopian | 3330b20 | 2009-10-05 17:07:12 -0700 | [diff] [blame] | 54 | mInitCheck(NO_ERROR), mVStride(0), mIndex(-1) |
| 55 | { |
| 56 | width = |
| 57 | height = |
| 58 | stride = |
| 59 | format = |
| 60 | usage = 0; |
| 61 | handle = NULL; |
| 62 | mInitCheck = initSize(w, h, reqFormat, reqUsage); |
| 63 | } |
| 64 | |
Mathias Agopian | 54ba51d | 2009-10-26 20:12:37 -0700 | [diff] [blame] | 65 | GraphicBuffer::GraphicBuffer(uint32_t w, uint32_t h, |
| 66 | PixelFormat inFormat, uint32_t inUsage, |
| 67 | uint32_t inStride, native_handle_t* inHandle, bool keepOwnership) |
| 68 | : BASE(), mOwner(keepOwnership ? ownHandle : ownNone), |
| 69 | mBufferMapper(GraphicBufferMapper::get()), |
| 70 | mInitCheck(NO_ERROR), mVStride(0), mIndex(-1) |
| 71 | { |
| 72 | width = w; |
| 73 | height = h; |
| 74 | stride = inStride; |
| 75 | format = inFormat; |
| 76 | usage = inUsage; |
| 77 | handle = inHandle; |
| 78 | } |
| 79 | |
Mathias Agopian | 3330b20 | 2009-10-05 17:07:12 -0700 | [diff] [blame] | 80 | GraphicBuffer::GraphicBuffer(const Parcel& data) |
Mathias Agopian | 54ba51d | 2009-10-26 20:12:37 -0700 | [diff] [blame] | 81 | : BASE(), mOwner(ownHandle), mBufferMapper(GraphicBufferMapper::get()), |
Mathias Agopian | 3330b20 | 2009-10-05 17:07:12 -0700 | [diff] [blame] | 82 | mInitCheck(NO_ERROR), mVStride(0), mIndex(-1) |
| 83 | { |
| 84 | // we own the handle in this case |
| 85 | width = data.readInt32(); |
| 86 | if (width < 0) { |
| 87 | width = height = stride = format = usage = 0; |
| 88 | handle = 0; |
| 89 | } else { |
| 90 | height = data.readInt32(); |
| 91 | stride = data.readInt32(); |
| 92 | format = data.readInt32(); |
| 93 | usage = data.readInt32(); |
| 94 | handle = data.readNativeHandle(); |
| 95 | } |
| 96 | } |
| 97 | |
| 98 | GraphicBuffer::~GraphicBuffer() |
| 99 | { |
| 100 | if (handle) { |
Mathias Agopian | 54ba51d | 2009-10-26 20:12:37 -0700 | [diff] [blame] | 101 | if (mOwner == ownHandle) { |
Mathias Agopian | 3330b20 | 2009-10-05 17:07:12 -0700 | [diff] [blame] | 102 | native_handle_close(handle); |
| 103 | native_handle_delete(const_cast<native_handle*>(handle)); |
Mathias Agopian | 54ba51d | 2009-10-26 20:12:37 -0700 | [diff] [blame] | 104 | } else if (mOwner == ownData) { |
Mathias Agopian | 3330b20 | 2009-10-05 17:07:12 -0700 | [diff] [blame] | 105 | GraphicBufferAllocator& allocator(GraphicBufferAllocator::get()); |
| 106 | allocator.free(handle); |
| 107 | } |
| 108 | } |
| 109 | } |
| 110 | |
| 111 | status_t GraphicBuffer::initCheck() const { |
| 112 | return mInitCheck; |
| 113 | } |
| 114 | |
| 115 | android_native_buffer_t* GraphicBuffer::getNativeBuffer() const |
| 116 | { |
| 117 | return static_cast<android_native_buffer_t*>( |
| 118 | const_cast<GraphicBuffer*>(this)); |
| 119 | } |
| 120 | |
| 121 | status_t GraphicBuffer::reallocate(uint32_t w, uint32_t h, PixelFormat f, |
| 122 | uint32_t reqUsage) |
| 123 | { |
Mathias Agopian | 54ba51d | 2009-10-26 20:12:37 -0700 | [diff] [blame] | 124 | if (mOwner != ownData) |
| 125 | return INVALID_OPERATION; |
| 126 | |
Mathias Agopian | 3330b20 | 2009-10-05 17:07:12 -0700 | [diff] [blame] | 127 | if (handle) { |
| 128 | GraphicBufferAllocator& allocator(GraphicBufferAllocator::get()); |
| 129 | allocator.free(handle); |
| 130 | handle = 0; |
| 131 | } |
| 132 | return initSize(w, h, f, reqUsage); |
| 133 | } |
| 134 | |
| 135 | status_t GraphicBuffer::initSize(uint32_t w, uint32_t h, PixelFormat format, |
| 136 | uint32_t reqUsage) |
| 137 | { |
| 138 | if (format == PIXEL_FORMAT_RGBX_8888) |
| 139 | format = PIXEL_FORMAT_RGBA_8888; |
| 140 | |
| 141 | GraphicBufferAllocator& allocator = GraphicBufferAllocator::get(); |
| 142 | status_t err = allocator.alloc(w, h, format, reqUsage, &handle, &stride); |
| 143 | if (err == NO_ERROR) { |
| 144 | this->width = w; |
| 145 | this->height = h; |
| 146 | this->format = format; |
| 147 | this->usage = reqUsage; |
| 148 | mVStride = 0; |
| 149 | } |
| 150 | return err; |
| 151 | } |
| 152 | |
| 153 | status_t GraphicBuffer::lock(uint32_t usage, void** vaddr) |
| 154 | { |
| 155 | const Rect lockBounds(width, height); |
| 156 | status_t res = lock(usage, lockBounds, vaddr); |
| 157 | return res; |
| 158 | } |
| 159 | |
| 160 | status_t GraphicBuffer::lock(uint32_t usage, const Rect& rect, void** vaddr) |
| 161 | { |
| 162 | if (rect.left < 0 || rect.right > this->width || |
| 163 | rect.top < 0 || rect.bottom > this->height) { |
| 164 | LOGE("locking pixels (%d,%d,%d,%d) outside of buffer (w=%d, h=%d)", |
| 165 | rect.left, rect.top, rect.right, rect.bottom, |
| 166 | this->width, this->height); |
| 167 | return BAD_VALUE; |
| 168 | } |
| 169 | status_t res = getBufferMapper().lock(handle, usage, rect, vaddr); |
| 170 | return res; |
| 171 | } |
| 172 | |
| 173 | status_t GraphicBuffer::unlock() |
| 174 | { |
| 175 | status_t res = getBufferMapper().unlock(handle); |
| 176 | return res; |
| 177 | } |
| 178 | |
| 179 | status_t GraphicBuffer::lock(GGLSurface* sur, uint32_t usage) |
| 180 | { |
| 181 | void* vaddr; |
| 182 | status_t res = GraphicBuffer::lock(usage, &vaddr); |
| 183 | if (res == NO_ERROR && sur) { |
| 184 | sur->version = sizeof(GGLSurface); |
| 185 | sur->width = width; |
| 186 | sur->height = height; |
| 187 | sur->stride = stride; |
| 188 | sur->format = format; |
| 189 | sur->vstride = mVStride; |
| 190 | sur->data = static_cast<GGLubyte*>(vaddr); |
| 191 | } |
| 192 | return res; |
| 193 | } |
| 194 | |
| 195 | |
| 196 | status_t GraphicBuffer::writeToParcel(Parcel* reply, |
| 197 | android_native_buffer_t const* buffer) |
| 198 | { |
| 199 | if (buffer == NULL) |
| 200 | return BAD_VALUE; |
| 201 | |
| 202 | if (buffer->width < 0 || buffer->height < 0) |
| 203 | return BAD_VALUE; |
| 204 | |
| 205 | status_t err = NO_ERROR; |
| 206 | if (buffer->handle == NULL) { |
| 207 | // this buffer doesn't have a handle |
| 208 | reply->writeInt32(NO_MEMORY); |
| 209 | } else { |
| 210 | reply->writeInt32(buffer->width); |
| 211 | reply->writeInt32(buffer->height); |
| 212 | reply->writeInt32(buffer->stride); |
| 213 | reply->writeInt32(buffer->format); |
| 214 | reply->writeInt32(buffer->usage); |
| 215 | err = reply->writeNativeHandle(buffer->handle); |
| 216 | } |
| 217 | return err; |
| 218 | } |
| 219 | |
| 220 | |
| 221 | void GraphicBuffer::setIndex(int index) { |
| 222 | mIndex = index; |
| 223 | } |
| 224 | |
| 225 | int GraphicBuffer::getIndex() const { |
| 226 | return mIndex; |
| 227 | } |
| 228 | |
Mathias Agopian | 6fee064 | 2009-11-02 17:48:33 -0800 | [diff] [blame] | 229 | void GraphicBuffer::setVerticalStride(uint32_t vstride) { |
| 230 | mVStride = vstride; |
| 231 | } |
| 232 | |
| 233 | uint32_t GraphicBuffer::getVerticalStride() const { |
| 234 | return mVStride; |
| 235 | } |
| 236 | |
Mathias Agopian | 3330b20 | 2009-10-05 17:07:12 -0700 | [diff] [blame] | 237 | // --------------------------------------------------------------------------- |
| 238 | |
| 239 | }; // namespace android |