Torne (Richard Coles) | 46d4c2b | 2014-06-09 12:00:27 +0100 | [diff] [blame] | 1 | // Copyright 2014 The Chromium Authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #include "ppapi/proxy/compositor_layer_resource.h" |
| 6 | |
Torne (Richard Coles) | f8ee788 | 2014-06-20 14:52:04 +0100 | [diff] [blame] | 7 | #include "base/logging.h" |
| 8 | #include "gpu/command_buffer/client/gles2_implementation.h" |
| 9 | #include "gpu/command_buffer/common/mailbox.h" |
| 10 | #include "ppapi/proxy/compositor_resource.h" |
| 11 | #include "ppapi/shared_impl/ppb_graphics_3d_shared.h" |
| 12 | #include "ppapi/thunk/enter.h" |
| 13 | #include "ppapi/thunk/ppb_graphics_3d_api.h" |
| 14 | #include "ppapi/thunk/ppb_image_data_api.h" |
| 15 | |
| 16 | using gpu::gles2::GLES2Implementation; |
| 17 | using ppapi::thunk::EnterResourceNoLock; |
| 18 | using ppapi::thunk::PPB_ImageData_API; |
| 19 | using ppapi::thunk::PPB_Graphics3D_API; |
| 20 | |
Torne (Richard Coles) | 46d4c2b | 2014-06-09 12:00:27 +0100 | [diff] [blame] | 21 | namespace ppapi { |
| 22 | namespace proxy { |
| 23 | |
Torne (Richard Coles) | f8ee788 | 2014-06-20 14:52:04 +0100 | [diff] [blame] | 24 | namespace { |
| 25 | |
| 26 | float clamp(float value) { |
| 27 | return std::min(std::max(value, 0.0f), 1.0f); |
| 28 | } |
| 29 | |
| 30 | void OnTextureReleased( |
| 31 | const ScopedPPResource& layer, |
| 32 | const ScopedPPResource& context, |
| 33 | uint32_t texture, |
| 34 | const scoped_refptr<TrackedCallback>& release_callback, |
Torne (Richard Coles) | 6d86b77 | 2014-06-25 10:30:53 +0100 | [diff] [blame^] | 35 | int32_t result, |
Torne (Richard Coles) | f8ee788 | 2014-06-20 14:52:04 +0100 | [diff] [blame] | 36 | uint32_t sync_point, |
| 37 | bool is_lost) { |
| 38 | if (!TrackedCallback::IsPending(release_callback)) |
| 39 | return; |
| 40 | |
Torne (Richard Coles) | 6d86b77 | 2014-06-25 10:30:53 +0100 | [diff] [blame^] | 41 | if (result != PP_OK) { |
| 42 | release_callback->Run(result); |
| 43 | return; |
| 44 | } |
| 45 | |
Torne (Richard Coles) | f8ee788 | 2014-06-20 14:52:04 +0100 | [diff] [blame] | 46 | do { |
| 47 | if (!sync_point) |
| 48 | break; |
| 49 | |
| 50 | EnterResourceNoLock<PPB_Graphics3D_API> enter(context.get(), true); |
| 51 | if (enter.failed()) |
| 52 | break; |
| 53 | |
| 54 | PPB_Graphics3D_Shared* graphics = |
| 55 | static_cast<PPB_Graphics3D_Shared*>(enter.object()); |
| 56 | |
| 57 | GLES2Implementation* gl = graphics->gles2_impl(); |
| 58 | gl->WaitSyncPointCHROMIUM(sync_point); |
| 59 | } while (false); |
| 60 | |
| 61 | release_callback->Run(is_lost ? PP_ERROR_FAILED : PP_OK); |
| 62 | } |
| 63 | |
| 64 | void OnImageReleased( |
| 65 | const ScopedPPResource& layer, |
| 66 | const ScopedPPResource& image, |
| 67 | const scoped_refptr<TrackedCallback>& release_callback, |
Torne (Richard Coles) | 6d86b77 | 2014-06-25 10:30:53 +0100 | [diff] [blame^] | 68 | int32_t result, |
Torne (Richard Coles) | f8ee788 | 2014-06-20 14:52:04 +0100 | [diff] [blame] | 69 | uint32_t sync_point, |
| 70 | bool is_lost) { |
| 71 | if (!TrackedCallback::IsPending(release_callback)) |
| 72 | return; |
Torne (Richard Coles) | 6d86b77 | 2014-06-25 10:30:53 +0100 | [diff] [blame^] | 73 | release_callback->Run(result); |
Torne (Richard Coles) | f8ee788 | 2014-06-20 14:52:04 +0100 | [diff] [blame] | 74 | } |
| 75 | |
| 76 | } // namespace |
| 77 | |
| 78 | CompositorLayerResource::CompositorLayerResource( |
| 79 | Connection connection, |
| 80 | PP_Instance instance, |
| 81 | const CompositorResource* compositor) |
| 82 | : PluginResource(connection, instance), |
| 83 | compositor_(compositor), |
| 84 | source_size_(PP_MakeFloatSize(0.0f, 0.0f)) { |
Torne (Richard Coles) | 46d4c2b | 2014-06-09 12:00:27 +0100 | [diff] [blame] | 85 | } |
| 86 | |
| 87 | CompositorLayerResource::~CompositorLayerResource() { |
Torne (Richard Coles) | f8ee788 | 2014-06-20 14:52:04 +0100 | [diff] [blame] | 88 | DCHECK(!compositor_); |
| 89 | DCHECK(release_callback_.is_null()); |
Torne (Richard Coles) | 46d4c2b | 2014-06-09 12:00:27 +0100 | [diff] [blame] | 90 | } |
| 91 | |
| 92 | thunk::PPB_CompositorLayer_API* |
| 93 | CompositorLayerResource::AsPPB_CompositorLayer_API() { |
| 94 | return this; |
| 95 | } |
| 96 | |
| 97 | int32_t CompositorLayerResource::SetColor(float red, |
| 98 | float green, |
| 99 | float blue, |
| 100 | float alpha, |
| 101 | const PP_Size* size) { |
Torne (Richard Coles) | f8ee788 | 2014-06-20 14:52:04 +0100 | [diff] [blame] | 102 | if (!compositor_) |
| 103 | return PP_ERROR_BADRESOURCE; |
| 104 | |
| 105 | if (compositor_->IsInProgress()) |
| 106 | return PP_ERROR_INPROGRESS; |
| 107 | |
| 108 | if (!SetType(TYPE_COLOR)) |
| 109 | return PP_ERROR_BADARGUMENT; |
| 110 | DCHECK(data_.color); |
| 111 | |
| 112 | if (!size) |
| 113 | return PP_ERROR_BADARGUMENT; |
| 114 | |
Torne (Richard Coles) | f8ee788 | 2014-06-20 14:52:04 +0100 | [diff] [blame] | 115 | data_.color->red = clamp(red); |
| 116 | data_.color->green = clamp(green); |
| 117 | data_.color->blue = clamp(blue); |
| 118 | data_.color->alpha = clamp(alpha); |
| 119 | data_.common.size = *size; |
| 120 | |
| 121 | return PP_OK; |
Torne (Richard Coles) | 46d4c2b | 2014-06-09 12:00:27 +0100 | [diff] [blame] | 122 | } |
| 123 | |
| 124 | int32_t CompositorLayerResource::SetTexture( |
| 125 | PP_Resource context, |
| 126 | uint32_t texture, |
| 127 | const PP_Size* size, |
Torne (Richard Coles) | f8ee788 | 2014-06-20 14:52:04 +0100 | [diff] [blame] | 128 | const scoped_refptr<TrackedCallback>& release_callback) { |
| 129 | int32_t rv = CheckForSetTextureAndImage(TYPE_TEXTURE, release_callback); |
| 130 | if (rv != PP_OK) |
| 131 | return rv; |
| 132 | DCHECK(data_.texture); |
| 133 | |
| 134 | EnterResourceNoLock<PPB_Graphics3D_API> enter(context, true); |
| 135 | if (enter.failed()) |
| 136 | return PP_ERROR_BADRESOURCE; |
| 137 | |
| 138 | if (!size || size->width <= 0 || size->height <= 0) |
| 139 | return PP_ERROR_BADARGUMENT; |
| 140 | |
| 141 | PPB_Graphics3D_Shared* graphics = |
| 142 | static_cast<PPB_Graphics3D_Shared*>(enter.object()); |
| 143 | |
| 144 | GLES2Implementation* gl = graphics->gles2_impl(); |
| 145 | |
| 146 | // Generate a Mailbox for the texture. |
| 147 | gl->GenMailboxCHROMIUM( |
| 148 | reinterpret_cast<GLbyte*>(data_.texture->mailbox.name)); |
| 149 | gl->ProduceTextureDirectCHROMIUM( |
| 150 | texture, GL_TEXTURE_2D, |
| 151 | reinterpret_cast<const GLbyte*>(data_.texture->mailbox.name)); |
| 152 | |
| 153 | // Set the source size to (1, 1). It will be used to verify the source_rect |
| 154 | // passed to SetSourceRect(). |
| 155 | source_size_ = PP_MakeFloatSize(1.0f, 1.0f); |
| 156 | |
| 157 | data_.common.size = *size; |
| 158 | data_.common.resource_id = compositor_->GenerateResourceId(); |
| 159 | data_.texture->sync_point = gl->InsertSyncPointCHROMIUM(); |
| 160 | data_.texture->source_rect.point = PP_MakeFloatPoint(0.0f, 0.0f); |
| 161 | data_.texture->source_rect.size = source_size_; |
| 162 | |
| 163 | // If the PP_Resource of this layer is released by the plugin, the |
| 164 | // release_callback will be aborted immediately, but the texture or image |
| 165 | // in this layer may still being used by chromium compositor. So we have to |
| 166 | // use ScopedPPResource to keep this resource alive until the texture or image |
| 167 | // is released by the chromium compositor. |
| 168 | release_callback_ = base::Bind( |
| 169 | &OnTextureReleased, |
| 170 | ScopedPPResource(pp_resource()), // Keep layer alive. |
| 171 | ScopedPPResource(context), // Keep context alive |
| 172 | texture, |
| 173 | release_callback); |
| 174 | |
| 175 | return PP_OK_COMPLETIONPENDING; |
Torne (Richard Coles) | 46d4c2b | 2014-06-09 12:00:27 +0100 | [diff] [blame] | 176 | } |
| 177 | |
| 178 | int32_t CompositorLayerResource::SetImage( |
| 179 | PP_Resource image_data, |
| 180 | const PP_Size* size, |
Torne (Richard Coles) | f8ee788 | 2014-06-20 14:52:04 +0100 | [diff] [blame] | 181 | const scoped_refptr<TrackedCallback>& release_callback) { |
| 182 | int32_t rv = CheckForSetTextureAndImage(TYPE_IMAGE, release_callback); |
| 183 | if (rv != PP_OK) |
| 184 | return rv; |
| 185 | DCHECK(data_.image); |
| 186 | |
| 187 | EnterResourceNoLock<PPB_ImageData_API> enter(image_data, true); |
| 188 | if (enter.failed()) |
| 189 | return PP_ERROR_BADRESOURCE; |
| 190 | |
| 191 | PP_ImageDataDesc desc; |
| 192 | if (!enter.object()->Describe(&desc)) |
| 193 | return PP_ERROR_BADARGUMENT; |
| 194 | |
| 195 | // TODO(penghuang): Support image which width * 4 != stride. |
| 196 | if (desc.size.width * 4 != desc.stride) |
| 197 | return PP_ERROR_BADARGUMENT; |
| 198 | |
| 199 | // TODO(penghuang): Support all formats. |
| 200 | if (desc.format != PP_IMAGEDATAFORMAT_RGBA_PREMUL) |
| 201 | return PP_ERROR_BADARGUMENT; |
| 202 | |
| 203 | if (!size || size->width <= 0 || size->height <= 0) |
| 204 | return PP_ERROR_BADARGUMENT; |
| 205 | |
| 206 | // Set the source size to image's size. It will be used to verify |
| 207 | // the source_rect passed to SetSourceRect(). |
| 208 | source_size_ = PP_MakeFloatSize(desc.size.width, desc.size.height); |
| 209 | |
| 210 | data_.common.size = size ? *size : desc.size; |
| 211 | data_.common.resource_id = compositor_->GenerateResourceId(); |
| 212 | data_.image->resource = enter.resource()->host_resource().host_resource(); |
| 213 | data_.image->source_rect.point = PP_MakeFloatPoint(0.0f, 0.0f); |
| 214 | data_.image->source_rect.size = source_size_; |
| 215 | |
Torne (Richard Coles) | 6d86b77 | 2014-06-25 10:30:53 +0100 | [diff] [blame^] | 216 | // If the PP_Resource of this layer is released by the plugin, the |
| 217 | // release_callback will be aborted immediately, but the texture or image |
| 218 | // in this layer may still being used by chromium compositor. So we have to |
| 219 | // use ScopedPPResource to keep this resource alive until the texture or image |
| 220 | // is released by the chromium compositor. |
Torne (Richard Coles) | f8ee788 | 2014-06-20 14:52:04 +0100 | [diff] [blame] | 221 | release_callback_ = base::Bind( |
| 222 | &OnImageReleased, |
| 223 | ScopedPPResource(pp_resource()), // Keep layer alive. |
| 224 | ScopedPPResource(image_data), // Keep image_data alive. |
| 225 | release_callback); |
| 226 | |
| 227 | return PP_OK_COMPLETIONPENDING; |
Torne (Richard Coles) | 46d4c2b | 2014-06-09 12:00:27 +0100 | [diff] [blame] | 228 | } |
| 229 | |
| 230 | int32_t CompositorLayerResource::SetClipRect(const PP_Rect* rect) { |
Torne (Richard Coles) | f8ee788 | 2014-06-20 14:52:04 +0100 | [diff] [blame] | 231 | if (!compositor_) |
| 232 | return PP_ERROR_BADRESOURCE; |
| 233 | |
| 234 | if (compositor_->IsInProgress()) |
| 235 | return PP_ERROR_INPROGRESS; |
| 236 | |
| 237 | data_.common.clip_rect = rect ? *rect : PP_MakeRectFromXYWH(0, 0, 0, 0); |
| 238 | return PP_OK; |
Torne (Richard Coles) | 46d4c2b | 2014-06-09 12:00:27 +0100 | [diff] [blame] | 239 | } |
| 240 | |
| 241 | int32_t CompositorLayerResource::SetTransform(const float matrix[16]) { |
Torne (Richard Coles) | f8ee788 | 2014-06-20 14:52:04 +0100 | [diff] [blame] | 242 | if (!compositor_) |
| 243 | return PP_ERROR_BADRESOURCE; |
| 244 | |
| 245 | if (compositor_->IsInProgress()) |
| 246 | return PP_ERROR_INPROGRESS; |
| 247 | |
| 248 | std::copy(matrix, matrix + 16, data_.common.transform.matrix); |
| 249 | return PP_OK; |
Torne (Richard Coles) | 46d4c2b | 2014-06-09 12:00:27 +0100 | [diff] [blame] | 250 | } |
| 251 | |
| 252 | int32_t CompositorLayerResource::SetOpacity(float opacity) { |
Torne (Richard Coles) | f8ee788 | 2014-06-20 14:52:04 +0100 | [diff] [blame] | 253 | if (!compositor_) |
| 254 | return PP_ERROR_BADRESOURCE; |
| 255 | |
| 256 | if (compositor_->IsInProgress()) |
| 257 | return PP_ERROR_INPROGRESS; |
| 258 | |
| 259 | data_.common.opacity = clamp(opacity); |
| 260 | return PP_OK; |
Torne (Richard Coles) | 46d4c2b | 2014-06-09 12:00:27 +0100 | [diff] [blame] | 261 | } |
| 262 | |
| 263 | int32_t CompositorLayerResource::SetBlendMode(PP_BlendMode mode) { |
Torne (Richard Coles) | f8ee788 | 2014-06-20 14:52:04 +0100 | [diff] [blame] | 264 | if (!compositor_) |
| 265 | return PP_ERROR_BADRESOURCE; |
| 266 | |
| 267 | if (compositor_->IsInProgress()) |
| 268 | return PP_ERROR_INPROGRESS; |
| 269 | |
| 270 | switch (mode) { |
| 271 | case PP_BLENDMODE_NONE: |
| 272 | case PP_BLENDMODE_SRC_OVER: |
| 273 | data_.common.blend_mode = mode; |
| 274 | return PP_OK; |
| 275 | } |
| 276 | return PP_ERROR_BADARGUMENT; |
Torne (Richard Coles) | 46d4c2b | 2014-06-09 12:00:27 +0100 | [diff] [blame] | 277 | } |
| 278 | |
| 279 | int32_t CompositorLayerResource::SetSourceRect( |
| 280 | const PP_FloatRect* rect) { |
Torne (Richard Coles) | f8ee788 | 2014-06-20 14:52:04 +0100 | [diff] [blame] | 281 | if (!compositor_) |
| 282 | return PP_ERROR_BADRESOURCE; |
| 283 | |
| 284 | if (compositor_->IsInProgress()) |
| 285 | return PP_ERROR_INPROGRESS; |
| 286 | |
| 287 | if (!rect || |
| 288 | rect->point.x < 0.0f || |
| 289 | rect->point.y < 0.0f || |
| 290 | rect->point.x + rect->size.width > source_size_.width || |
| 291 | rect->point.y + rect->size.height > source_size_.height) { |
| 292 | return PP_ERROR_BADARGUMENT; |
| 293 | } |
| 294 | |
| 295 | if (data_.texture) { |
| 296 | data_.texture->source_rect = *rect; |
| 297 | return PP_OK; |
| 298 | } |
| 299 | if (data_.image) { |
| 300 | data_.image->source_rect = *rect; |
| 301 | return PP_OK; |
| 302 | } |
| 303 | return PP_ERROR_BADARGUMENT; |
Torne (Richard Coles) | 46d4c2b | 2014-06-09 12:00:27 +0100 | [diff] [blame] | 304 | } |
| 305 | |
| 306 | int32_t CompositorLayerResource::SetPremultipliedAlpha(PP_Bool premult) { |
Torne (Richard Coles) | f8ee788 | 2014-06-20 14:52:04 +0100 | [diff] [blame] | 307 | if (!compositor_) |
| 308 | return PP_ERROR_BADRESOURCE; |
| 309 | |
| 310 | if (compositor_->IsInProgress()) |
| 311 | return PP_ERROR_INPROGRESS; |
| 312 | |
| 313 | if (data_.texture) { |
| 314 | data_.texture->premult_alpha = PP_ToBool(premult); |
| 315 | return PP_OK; |
| 316 | } |
| 317 | return PP_ERROR_BADARGUMENT; |
| 318 | } |
| 319 | |
| 320 | bool CompositorLayerResource::SetType(LayerType type) { |
| 321 | if (type == TYPE_COLOR) { |
| 322 | if (data_.is_null()) |
| 323 | data_.color.reset(new CompositorLayerData::ColorLayer()); |
| 324 | return data_.color; |
| 325 | } |
| 326 | |
| 327 | if (type == TYPE_TEXTURE) { |
| 328 | if (data_.is_null()) |
| 329 | data_.texture.reset(new CompositorLayerData::TextureLayer()); |
| 330 | return data_.texture; |
| 331 | } |
| 332 | |
| 333 | if (type == TYPE_IMAGE) { |
| 334 | if (data_.is_null()) |
| 335 | data_.image.reset(new CompositorLayerData::ImageLayer()); |
| 336 | return data_.image; |
| 337 | } |
| 338 | |
| 339 | // Should not be reached. |
| 340 | DCHECK(false); |
| 341 | return false; |
| 342 | } |
| 343 | |
| 344 | int32_t CompositorLayerResource::CheckForSetTextureAndImage( |
| 345 | LayerType type, |
| 346 | const scoped_refptr<TrackedCallback>& release_callback) { |
Torne (Richard Coles) | 6d86b77 | 2014-06-25 10:30:53 +0100 | [diff] [blame^] | 347 | if (!compositor_) |
Torne (Richard Coles) | f8ee788 | 2014-06-20 14:52:04 +0100 | [diff] [blame] | 348 | return PP_ERROR_BADRESOURCE; |
| 349 | |
| 350 | if (compositor_->IsInProgress()) |
| 351 | return PP_ERROR_INPROGRESS; |
| 352 | |
| 353 | if (!SetType(type)) |
| 354 | return PP_ERROR_BADARGUMENT; |
| 355 | |
| 356 | // The layer's image has been set and it is not committed. |
| 357 | if (!release_callback_.is_null()) |
| 358 | return PP_ERROR_INPROGRESS; |
| 359 | |
| 360 | // Do not allow using a block callback as a release callback. |
| 361 | if (release_callback->is_blocking()) |
| 362 | return PP_ERROR_BADARGUMENT; |
| 363 | |
| 364 | return PP_OK; |
Torne (Richard Coles) | 46d4c2b | 2014-06-09 12:00:27 +0100 | [diff] [blame] | 365 | } |
| 366 | |
| 367 | } // namespace proxy |
| 368 | } // namespace ppapi |