os/graphics/graphicscomposition/openwfcompositionengine/composition/src/wfccontext.c
1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/graphics/graphicscomposition/openwfcompositionengine/composition/src/wfccontext.c Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,2026 @@
1.4 +/* Copyright (c) 2009 The Khronos Group Inc.
1.5 + * Portions copyright (c) 2009-2010 Nokia Corporation and/or its subsidiary(-ies)
1.6 + *
1.7 + * Permission is hereby granted, free of charge, to any person obtaining a
1.8 + * copy of this software and/or associated documentation files (the
1.9 + * "Materials"), to deal in the Materials without restriction, including
1.10 + * without limitation the rights to use, copy, modify, merge, publish,
1.11 + * distribute, sublicense, and/or sell copies of the Materials, and to
1.12 + * permit persons to whom the Materials are furnished to do so, subject to
1.13 + * the following conditions:
1.14 + *
1.15 + * The above copyright notice and this permission notice shall be included
1.16 + * in all copies or substantial portions of the Materials.
1.17 + *
1.18 + * THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
1.19 + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
1.20 + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
1.21 + * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
1.22 + * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
1.23 + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
1.24 + * MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
1.25 + */
1.26 +
1.27 +/*! \ingroup wfc
1.28 + * \file wfccontext.c
1.29 + *
1.30 + * \brief SI Context handling
1.31 + */
1.32 +
1.33 +#include <string.h>
1.34 +#include <stdio.h>
1.35 +#include <time.h>
1.36 +#include <stdlib.h>
1.37 +#include <math.h>
1.38 +
1.39 +#include <WF/wfc.h>
1.40 +#include <EGL/egl.h>
1.41 +
1.42 +#include "wfccontext.h"
1.43 +#include "wfcpipeline.h"
1.44 +
1.45 +#include "owfscreen.h"
1.46 +#include "owfdisplaycontextgeneral.h"
1.47 +#include "owfnotifications.h"
1.48 +
1.49 +
1.50 +/*! maximum number of elements per scene */
1.51 +#define MAX_ELEMENTS 512
1.52 +/*! maximum number of scenes per context */
1.53 +#define MAX_SCENES 3
1.54 +
1.55 +
1.56 +#define CONTEXT_SCENE_POOL_SIZE MAX_SCENES
1.57 +#define CONTEXT_ELEMENT_POOL_SIZE MAX_SCENES * MAX_ELEMENTS
1.58 +#define CONTEXT_NODE_POOL_SIZE 2 * CONTEXT_ELEMENT_POOL_SIZE
1.59 +
1.60 +/*! almost 2^31 */
1.61 +#define MAX_DELAY 2100000000
1.62 +
1.63 +/*! 15ms */
1.64 +#define AUTO_COMPOSE_DELAY 15000
1.65 +#define FIRST_CONTEXT_HANDLE 2000
1.66 +
1.67 +#ifdef __cplusplus
1.68 +extern "C" {
1.69 +#endif
1.70 +
1.71 +static WFCHandle nextContextHandle = FIRST_CONTEXT_HANDLE;
1.72 +
1.73 +typedef enum
1.74 +{
1.75 + WFC_MESSAGE_NONE,
1.76 + WFC_MESSAGE_QUIT,
1.77 + WFC_MESSAGE_COMPOSE,
1.78 + WFC_MESSAGE_COMMIT,
1.79 + WFC_MESSAGE_FENCE_1_DISPLAY,
1.80 + WFC_MESSAGE_FENCE_2_SYNCOBJECT,
1.81 + WFC_MESSAGE_ACTIVATE,
1.82 + WFC_MESSAGE_DEACTIVATE,
1.83 + WFC_MESSAGE_START_COUNTDOWN,
1.84 + WFC_MESSAGE_CANCEL
1.85 +} WFC_MESSAGES;
1.86 +
1.87 +static void*
1.88 +WFC_Context_ComposerThread(void* data);
1.89 +
1.90 +
1.91 +/*---------------------------------------------------------------------------
1.92 + *
1.93 + *----------------------------------------------------------------------------*/
1.94 +void WFC_CONTEXT_Ctor(void* self)
1.95 +{
1.96 + self = self;
1.97 +}
1.98 +
1.99 +/*---------------------------------------------------------------------------*/
1.100 +static WFCboolean
1.101 +WFC_Context_CreateState(WFC_CONTEXT* context)
1.102 + { /* Must be called late enough that scratch buffers can be mapped and hardware rotation capability queried */
1.103 + OWF_IMAGE_FORMAT fInt,
1.104 + fExt;
1.105 + WFCint stride = 0;
1.106 + OWF_ASSERT(context);
1.107 +
1.108 + DPRINT(("WFC_Context_CreateContextState"));
1.109 +
1.110 + owfNativeStreamGetHeader(context->stream,
1.111 + NULL, NULL, &stride, &fExt, NULL);
1.112 + /* internal image used as intermediate target */
1.113 + fInt.pixelFormat = OWF_IMAGE_ARGB_INTERNAL;
1.114 + fInt.linear = fExt.linear;
1.115 + fInt.premultiplied = fExt.premultiplied;
1.116 + fInt.rowPadding = 1;
1.117 +
1.118 + if (context->type == WFC_CONTEXT_TYPE_ON_SCREEN)
1.119 + {
1.120 + /* The unrotated target buffer: Can't get real address without locking for writing! NO STRIDE */
1.121 + context->state.unrotatedTargetImage=OWF_Image_Create(context->targetWidth,context->targetHeight,&fExt,context->scratchBuffer[2],0);
1.122 + /* The rotated version of the target buffer for hardware rotation
1.123 + * or a de-rotated version of the internal buffer into another scratch buffer for software rotation
1.124 + */
1.125 + if (OWF_Screen_Rotation_Supported(context->displayContext))
1.126 + { /* The rotated version of the target buffer for hardware rotation */
1.127 + context->state.rotatedTargetImage=OWF_Image_Create(context->targetHeight,context->targetWidth,&fExt,context->scratchBuffer[2],0);
1.128 + }
1.129 + else
1.130 + { /* a de-rotated version of the internal buffer into another scratch buffer for software rotation */
1.131 + context->state.rotatedTargetImage=OWF_Image_Create(context->targetWidth,context->targetHeight,&fInt,context->scratchBuffer[1],0);
1.132 + }
1.133 + }
1.134 + else
1.135 + {
1.136 + /* The unrotated target buffer: Can't get real address without locking for writing! STRIDE HONOURED */
1.137 + context->state.unrotatedTargetImage=OWF_Image_Create(context->targetWidth,context->targetHeight,&fExt,context->scratchBuffer[2],stride);
1.138 + /* a de-rotated version of the internal buffer into another scratch buffer for software rotation */
1.139 + context->state.rotatedTargetImage=OWF_Image_Create(context->targetWidth,context->targetHeight,&fInt,context->scratchBuffer[1],0);
1.140 + }
1.141 + /* The internal target buffer composed to for 0 and 180 degree rotation */
1.142 + context->state.unrotatedInternalTargetImage=OWF_Image_Create(context->targetWidth,context->targetHeight,&fInt,context->scratchBuffer[0],stride);
1.143 + /* The internal target buffer composed to for 90 and 270 degree rotation */
1.144 + context->state.rotatedInternalTargetImage=OWF_Image_Create(context->targetHeight,context->targetWidth,&fInt,context->scratchBuffer[0],stride);
1.145 +
1.146 + if (context->state.unrotatedTargetImage && context->state.rotatedTargetImage && context->state.unrotatedInternalTargetImage && context->state.rotatedInternalTargetImage)
1.147 + {
1.148 + return WFC_TRUE;
1.149 + }
1.150 + else
1.151 + {
1.152 + return WFC_FALSE;
1.153 + }
1.154 + }
1.155 +/*---------------------------------------------------------------------------*/
1.156 +static void
1.157 +WFC_Context_DestroyState(WFC_CONTEXT* context)
1.158 + {
1.159 + /* The unrotated target buffer */
1.160 + OWF_Image_Destroy(context->state.unrotatedTargetImage);
1.161 + /* The rotated version of the target buffer for hardware rotation,
1.162 + * or a de-rotated version of the internal buffer into another scratch buffer for software rotation
1.163 + */
1.164 + OWF_Image_Destroy(context->state.rotatedTargetImage);
1.165 + /* The internal target buffer composed to for 0 and 180 degree rotation */
1.166 + OWF_Image_Destroy(context->state.unrotatedInternalTargetImage);
1.167 + /* The internal target buffer composed to for 90 and 270 degree rotation */
1.168 + OWF_Image_Destroy(context->state.rotatedInternalTargetImage);
1.169 +
1.170 + }
1.171 +/*---------------------------------------------------------------------------
1.172 + * Should only be accessed indirectly by calls to WFC_Device_DestroyContext or
1.173 + * WFC_Device_DestroyContexts
1.174 + *----------------------------------------------------------------------------*/
1.175 +void WFC_CONTEXT_Dtor(void* self)
1.176 +{
1.177 + OWFint ii = 0;
1.178 + WFC_CONTEXT* context = NULL;
1.179 +
1.180 + OWF_ASSERT(self);
1.181 + DPRINT(("WFC_CONTEXT_Dtor(%p)", self));
1.182 +
1.183 + context = CONTEXT(self);
1.184 +
1.185 + OWF_ASSERT(context);
1.186 +
1.187 + WFC_Pipeline_DestroyState(context);
1.188 + WFC_Context_DestroyState(context);
1.189 +
1.190 + OWF_MessageQueue_Destroy(&context->composerQueue);
1.191 +
1.192 + /* make the stream destroyable */
1.193 + if (context->stream != OWF_INVALID_HANDLE)
1.194 + {
1.195 + owfNativeStreamSetProtectionFlag(context->stream, OWF_FALSE);
1.196 + owfNativeStreamDestroy(context->stream);
1.197 + }
1.198 + context->stream = OWF_INVALID_HANDLE;
1.199 +
1.200 + OWF_AttributeList_Destroy(&context->attributes);
1.201 +
1.202 + for (ii = 0; ii < SCRATCH_BUFFER_COUNT; ii++)
1.203 + {
1.204 + OWF_Image_FreeData(context->displayContext, &context->scratchBuffer[ii]);
1.205 + context->scratchBuffer[ii] = 0;
1.206 + }
1.207 +
1.208 + OWF_DisplayContext_Destroy(context->screenNumber, context->displayContext);
1.209 + context->displayContext = NULL;
1.210 +
1.211 + OWF_Pool_Destroy(context->scenePool);
1.212 + OWF_Pool_Destroy(context->elementPool);
1.213 + OWF_Pool_Destroy(context->nodePool);
1.214 +
1.215 + OWF_Semaphore_Destroy(&context->compositionSemaphore);
1.216 + OWF_Semaphore_Destroy(&context->commitSemaphore);
1.217 + OWF_Mutex_Destroy(&context->updateFlagMutex);
1.218 + OWF_Mutex_Destroy(&context->sceneMutex);
1.219 +}
1.220 +
1.221 +/*---------------------------------------------------------------------------
1.222 + *
1.223 + *----------------------------------------------------------------------------*/
1.224 +OWF_API_CALL void
1.225 +WFC_Context_Shutdown(WFC_CONTEXT* context)
1.226 +{
1.227 + OWF_ASSERT(context);
1.228 + DPRINT(("WFC_Context_Shutdown(context = %d)", context->handle));
1.229 +
1.230 + DPRINT(("Waiting for composer thread termination"));
1.231 + if (context->composerThread)
1.232 + {
1.233 + OWF_Message_Send(&context->composerQueue, WFC_MESSAGE_QUIT, 0);
1.234 + OWF_Thread_Join(context->composerThread, NULL);
1.235 + OWF_Thread_Destroy(context->composerThread);
1.236 + }
1.237 +
1.238 + context->composerThread = NULL;
1.239 +
1.240 + if (context->device)
1.241 + {
1.242 + /* #4604: added guard condition */
1.243 + WFC_Device_DestroyContextElements(context->device, context);
1.244 + WFC_Device_DestroyContextImageProviders(context->device, context);
1.245 + }
1.246 +
1.247 + WFC_Scene_Destroy(context->workScene);
1.248 + WFC_Scene_Destroy(context->snapshotScene);
1.249 + WFC_Scene_Destroy(context->committedScene);
1.250 + context->workScene = NULL;
1.251 + context->snapshotScene = NULL;
1.252 + context->committedScene = NULL;
1.253 +}
1.254 +
1.255 +/*---------------------------------------------------------------------------
1.256 + * Initialize context attributes
1.257 + *----------------------------------------------------------------------------*/
1.258 +OWF_API_CALL OWF_ATTRIBUTE_LIST_STATUS
1.259 +WFC_Context_InitializeAttributes(WFC_CONTEXT* context,
1.260 + WFCContextType type)
1.261 +{
1.262 + OWF_ATTRIBUTE_LIST_STATUS attribError=ATTR_ERROR_NONE;
1.263 + OWF_ASSERT(context);
1.264 + /* initialize attributes/properties */
1.265 + if (context->stream)
1.266 + {
1.267 + owfNativeStreamGetHeader(context->stream,
1.268 + &context->targetWidth,
1.269 + &context->targetHeight,
1.270 + NULL, NULL, NULL);
1.271 + }
1.272 + context->type = type;
1.273 + context->rotation = WFC_ROTATION_0;
1.274 + context->backgroundColor = 0x000000FF;
1.275 + context->lowestElement = WFC_INVALID_HANDLE;
1.276 +
1.277 +
1.278 + OWF_AttributeList_Create(&context->attributes,
1.279 + WFC_CONTEXT_TYPE,
1.280 + WFC_CONTEXT_BG_COLOR);
1.281 + attribError=OWF_AttributeList_GetError(&context->attributes);
1.282 + if (attribError!=ATTR_ERROR_NONE)
1.283 + {
1.284 + OWF_ASSERT(attribError==ATTR_ERROR_NO_MEMORY);
1.285 + return attribError;
1.286 + }
1.287 +
1.288 +
1.289 + /* The composition code reads the member variables directly,
1.290 + * not via the attribute engine.
1.291 + */
1.292 + OWF_Attribute_Initi(&context->attributes,
1.293 + WFC_CONTEXT_TYPE,
1.294 + (WFCint*) &context->type,
1.295 + OWF_TRUE);
1.296 +
1.297 + OWF_Attribute_Initi(&context->attributes,
1.298 + WFC_CONTEXT_TARGET_WIDTH,
1.299 + &context->targetWidth,
1.300 + OWF_TRUE);
1.301 +
1.302 + OWF_Attribute_Initi(&context->attributes,
1.303 + WFC_CONTEXT_TARGET_HEIGHT,
1.304 + &context->targetHeight,
1.305 + OWF_TRUE);
1.306 +
1.307 + OWF_Attribute_Initi(&context->attributes,
1.308 + WFC_CONTEXT_ROTATION,
1.309 + (WFCint*) &context->rotation,
1.310 + OWF_FALSE);
1.311 +
1.312 + OWF_Attribute_Initi(&context->attributes,
1.313 + WFC_CONTEXT_BG_COLOR,
1.314 + (WFCint*) &context->backgroundColor,
1.315 + OWF_FALSE);
1.316 +
1.317 + OWF_Attribute_Initi(&context->attributes,
1.318 + WFC_CONTEXT_LOWEST_ELEMENT,
1.319 + (OWFint*) &context->lowestElement,
1.320 + OWF_TRUE);
1.321 + attribError=OWF_AttributeList_GetError(&context->attributes);
1.322 +
1.323 + /* After commit to working, writable attribute abstracted variables
1.324 + must not be written to directly. */
1.325 + OWF_AttributeList_Commit(&context->attributes,
1.326 + WFC_CONTEXT_TYPE,
1.327 + WFC_CONTEXT_BG_COLOR,
1.328 + WORKING_ATTR_VALUE_INDEX );
1.329 +
1.330 + return attribError;
1.331 +}
1.332 +
1.333 +
1.334 +/*---------------------------------------------------------------------------
1.335 + *
1.336 + *----------------------------------------------------------------------------*/
1.337 +static WFC_CONTEXT*
1.338 +WFC_Context_Initialize(WFC_CONTEXT* context,
1.339 + WFC_DEVICE* device,
1.340 + WFCNativeStreamType stream,
1.341 + WFCContextType type,
1.342 + WFCint screenNum)
1.343 +{
1.344 + void* scratch[SCRATCH_BUFFER_COUNT];
1.345 + OWFint err2 = 0;
1.346 + OWFint ii = 0,
1.347 + nbufs = 0;
1.348 + OWFint fail = 0;
1.349 + OWF_ATTRIBUTE_LIST_STATUS attribStatus = ATTR_ERROR_NONE;
1.350 + OWF_ASSERT(context);
1.351 + OWF_ASSERT(device);
1.352 +
1.353 + DPRINT(("WFC_Context_Initialize(%p,%p,%d,%d)", context, device, type, screenNum));
1.354 +
1.355 + context->type = type;
1.356 + context->device = device;
1.357 + context->handle = nextContextHandle;
1.358 + context->screenNumber = screenNum;
1.359 + context->activationState = WFC_CONTEXT_STATE_PASSIVE;
1.360 + context->sourceUpdateCount = 0;
1.361 + context->clientElementCount = 0;
1.362 + ++nextContextHandle;
1.363 +
1.364 + context->displayContext = OWF_DisplayContext_Create(screenNum);
1.365 + if (context->displayContext == NULL)
1.366 + {
1.367 + DPRINT(("WFC_Context_Initialize(): Could not create display Context"));
1.368 + return NULL;
1.369 + }
1.370 +
1.371 + context->eglPrivateSignalSync = (TFPtrEglPrivateSignalSyncNok) eglGetProcAddress("egl_Private_SignalSyncNOK");
1.372 + if (! context->eglPrivateSignalSync)
1.373 + {
1.374 + DPRINT(("WFC_Context_Initialize(): Missing EGL extension - egl_Private_SignalSyncNOK extension"));
1.375 + return NULL;
1.376 + }
1.377 +
1.378 + err2 =OWF_MessageQueue_Init(&context->composerQueue);
1.379 + if (err2 != 0)
1.380 + {
1.381 + DPRINT(("WFC_Context_Initialize(): Cannot initialise the message queue err(%d)", err2));
1.382 + return NULL;
1.383 + }
1.384 +
1.385 + context->composerThread = OWF_Thread_Create(WFC_Context_ComposerThread, context);
1.386 + if (!(context->composerThread))
1.387 + {
1.388 + /* must call these to remove references to context */
1.389 + DPRINT(("WFC_Context_Initialize(): Failed to create thread!"));
1.390 + return NULL;
1.391 + }
1.392 +
1.393 + OWF_ComposerThread_RendezvousWait(context->displayContext);
1.394 +
1.395 + /*the following section of the code could be pushed to adaptation in future*/
1.396 + if (type == WFC_CONTEXT_TYPE_ON_SCREEN)
1.397 + {
1.398 + OWF_IMAGE_FORMAT imageFormat;
1.399 + OWF_SCREEN screen;
1.400 + WFCint width = 0;
1.401 + WFCint height = 0;
1.402 + WFCint normalSize = 0;
1.403 + WFCint flippedSize = 0;
1.404 + WFCNativeStreamType stream;
1.405 +
1.406 + /* Set up stream for sending data to screen */
1.407 +
1.408 + if (!OWF_Screen_GetHeader(context->displayContext, &screen))
1.409 + {
1.410 + DPRINT(("WFC_Context_Initialize(): Could not retrieve the screen parameters"));
1.411 + WFC_Context_Shutdown(context);
1.412 + return NULL;
1.413 + }
1.414 +
1.415 + /* Set on-screen pixel format */
1.416 + imageFormat.pixelFormat = OWF_SURFACE_PIXEL_FORMAT;
1.417 + imageFormat.premultiplied = OWF_SURFACE_PREMULTIPLIED;
1.418 + imageFormat.linear = OWF_SURFACE_LINEAR;
1.419 + imageFormat.rowPadding = OWF_SURFACE_ROWPADDING;
1.420 +
1.421 + width = screen.normal.width;
1.422 + height = screen.normal.height;
1.423 +
1.424 + normalSize = screen.normal.height * screen.normal.stride;
1.425 + flippedSize = screen.flipped.height * screen.flipped.stride;
1.426 +
1.427 + if (flippedSize > normalSize)
1.428 + {
1.429 + width = screen.flipped.width;
1.430 + height = screen.flipped.height;
1.431 + }
1.432 +
1.433 + stream = owfNativeStreamCreateImageStream(width,
1.434 + height,
1.435 + &imageFormat,
1.436 + 1);
1.437 +
1.438 + if (stream)
1.439 + {
1.440 + WFC_Context_SetTargetStream(context, stream);
1.441 +
1.442 + /* At this point the stream's refcount is 2 - we must decrement
1.443 + * it by one to ensure that the stream is destroyed when the
1.444 + * context (that "owns" it) is destroyed.
1.445 + */
1.446 + owfNativeStreamRemoveReference(stream);
1.447 + }
1.448 + else
1.449 + {
1.450 + DPRINT(("WFC_Context_Initialize(): cannot create internal target stream"));
1.451 + WFC_Context_Shutdown(context);
1.452 + return NULL;
1.453 + }
1.454 + }
1.455 + else
1.456 + {
1.457 + WFC_Context_SetTargetStream(context, stream);
1.458 + }
1.459 +
1.460 + nbufs = SCRATCH_BUFFER_COUNT-1;
1.461 + for (ii = 0; ii < nbufs; ii++)
1.462 + {
1.463 + scratch[ii] = OWF_Image_AllocData(context->displayContext, MAX_SOURCE_WIDTH,
1.464 + MAX_SOURCE_HEIGHT,
1.465 + OWF_IMAGE_ARGB_INTERNAL);
1.466 + fail = fail || (scratch[ii] == NULL);
1.467 + }
1.468 +
1.469 + /*
1.470 + * allocate one-channel buffer for alpha
1.471 + * obs! this assumes sizeof(OWFsubpixel) is 4.
1.472 + */
1.473 + scratch[nbufs] = OWF_Image_AllocData(context->displayContext, MAX_SOURCE_WIDTH,
1.474 + MAX_SOURCE_HEIGHT,
1.475 + OWF_IMAGE_L32);
1.476 + fail = fail || (scratch[nbufs] == NULL);
1.477 +
1.478 + if (fail)
1.479 + {
1.480 + for (ii = 0; ii < SCRATCH_BUFFER_COUNT; ii++)
1.481 + {
1.482 + OWF_Image_FreeData(context->displayContext, &scratch[ii]);
1.483 + }
1.484 + WFC_Context_Shutdown(context);
1.485 + return NULL;
1.486 + }
1.487 +
1.488 + for (ii = 0; ii < SCRATCH_BUFFER_COUNT; ii++)
1.489 + {
1.490 + context->scratchBuffer[ii] = scratch[ii];
1.491 + }
1.492 +
1.493 + if ( OWF_Semaphore_Init(&context->compositionSemaphore, 1)
1.494 + || OWF_Semaphore_Init(&context->commitSemaphore, 1)
1.495 + || OWF_Mutex_Init(&context->updateFlagMutex)
1.496 + || OWF_Mutex_Init(&context->sceneMutex)
1.497 +
1.498 + )
1.499 + {
1.500 + DPRINT(("WFC_Context_Initialize(): Could not create mutexes and semaphores!"));
1.501 + WFC_Context_Shutdown(context);
1.502 + return NULL;
1.503 + }
1.504 +
1.505 + if (!WFC_Pipeline_CreateState(context) || !WFC_Context_CreateState(context))
1.506 + {
1.507 + DPRINT(("WFC_Context_Initialize(): Could not create pipeline state object"));
1.508 + WFC_Context_Shutdown(context);
1.509 + return NULL;
1.510 + }
1.511 +
1.512 +
1.513 + attribStatus= WFC_Context_InitializeAttributes(context, type);
1.514 +
1.515 + if (attribStatus!=ATTR_ERROR_NONE)
1.516 + {
1.517 + WFC_Context_Shutdown(context);
1.518 + return NULL;
1.519 + }
1.520 +
1.521 +
1.522 + context->scenePool = OWF_Pool_Create(sizeof(WFC_SCENE),
1.523 + CONTEXT_SCENE_POOL_SIZE);
1.524 + context->elementPool = OWF_Pool_Create(sizeof(WFC_ELEMENT),
1.525 + CONTEXT_ELEMENT_POOL_SIZE);
1.526 + context->nodePool = OWF_Pool_Create(sizeof(OWF_NODE),
1.527 + CONTEXT_NODE_POOL_SIZE);
1.528 + if (!( context->scenePool &&
1.529 + context->nodePool && context->elementPool))
1.530 + {
1.531 + WFC_Context_Shutdown(context);
1.532 + return NULL;
1.533 + }
1.534 +
1.535 + DPRINT((" Creating scenes"));
1.536 + context->workScene = WFC_Scene_Create(context);
1.537 + context->committedScene = WFC_Scene_Create(context);
1.538 + context->snapshotScene = NULL;
1.539 +
1.540 + /* snapshotScene is initialized in InvokeCommit */
1.541 +
1.542 + /* context's refcount is now 3 */
1.543 +
1.544 + if (!(context->workScene && context->committedScene &&
1.545 + context->nodePool && context->elementPool))
1.546 + {
1.547 + WFC_Context_Shutdown(context);
1.548 + return NULL;
1.549 + }
1.550 +
1.551 + return context;
1.552 +}
1.553 +
1.554 +/*---------------------------------------------------------------------------
1.555 + * Create new context on device
1.556 + *
1.557 + * \param device Device on which the context should be created
1.558 + * \param type Context type (on- or off-screen)
1.559 + *
1.560 + * \return New context object or NULL in case of failure
1.561 + *----------------------------------------------------------------------------*/
1.562 +OWF_API_CALL WFC_CONTEXT*
1.563 +WFC_Context_Create(WFC_DEVICE* device,
1.564 + WFCNativeStreamType stream,
1.565 + WFCContextType type,
1.566 + WFCint screenNum)
1.567 +{
1.568 + WFC_CONTEXT* context = NULL;
1.569 +
1.570 + OWF_ASSERT(device);
1.571 + context = CREATE(WFC_CONTEXT);
1.572 +
1.573 + if (context)
1.574 + {
1.575 + if (!WFC_Context_Initialize(context, device, stream, type, screenNum))
1.576 + {
1.577 + DESTROY(context);
1.578 + }
1.579 + }
1.580 + return context;
1.581 +}
1.582 +
1.583 +/*---------------------------------------------------------------------------
1.584 + * Setup context rendering target
1.585 + *
1.586 + * \param context Context
1.587 + * \param stream Target stream to use for rendering
1.588 + *----------------------------------------------------------------------------*/
1.589 +OWF_API_CALL void
1.590 +WFC_Context_SetTargetStream(WFC_CONTEXT* context,
1.591 + OWFNativeStreamType stream)
1.592 +{
1.593 + OWF_ASSERT(context);
1.594 + context->stream = stream;
1.595 +
1.596 + owfNativeStreamAddReference(stream);
1.597 +
1.598 + owfNativeStreamGetHeader(stream,
1.599 + &context->targetWidth, &context->targetHeight,
1.600 + NULL, NULL, NULL);
1.601 +}
1.602 +
1.603 +static OWFboolean
1.604 +WFC_FastpathCheckTransparency(WFCbitfield transparencyTypes, WFCfloat globalAlpha, OWF_PIXEL_FORMAT sourceFormat)
1.605 + {
1.606 + if ((transparencyTypes & WFC_TRANSPARENCY_ELEMENT_GLOBAL_ALPHA) && (globalAlpha != 255.0f))
1.607 + {
1.608 + DPRINT(("=== WFC_FastpathCheckTransparency - Failed global alfa(%f) check", globalAlpha));
1.609 + return OWF_FALSE;
1.610 + }
1.611 +
1.612 + if ((transparencyTypes & WFC_TRANSPARENCY_SOURCE) && (sourceFormat != OWF_IMAGE_XRGB8888))
1.613 + {
1.614 + DPRINT(("=== WFC_FastpathCheckTransparency - Failed transparency check types=0x%x format=0x%x",
1.615 + transparencyTypes, sourceFormat));
1.616 + return OWF_FALSE;
1.617 + }
1.618 +
1.619 +
1.620 + return OWF_TRUE;
1.621 + }
1.622 +
1.623 +static OWFboolean
1.624 +WFC_FastpathCheckGeometry(WFC_CONTEXT* context, WFC_ELEMENT* element)
1.625 + {
1.626 + OWFint sourceWidth = 0;
1.627 + OWFint sourceHeight = 0;
1.628 + OWFint destWidth = 0;
1.629 + OWFint destHeight = 0;
1.630 + OWFint targetWidth = 0;
1.631 + OWFint targetHeight = 0;
1.632 +
1.633 + OWF_ASSERT(context);
1.634 + OWF_ASSERT(element);
1.635 +
1.636 + if ((element->srcRect[0] != 0) || (element->srcRect[1] != 0))
1.637 + {
1.638 + DPRINT(("=== WFC_FastpathCheckGeometry(context = %p) - FAILED Source Position Check", context));
1.639 + return OWF_FALSE;
1.640 + }
1.641 +
1.642 + if ((element->dstRect[0] != 0) || (element->dstRect[1] != 0))
1.643 + {
1.644 + DPRINT(("=== WFC_FastpathCheckGeometry(context = %p) - FAILED Destination Position Check", context));
1.645 + return OWF_FALSE;
1.646 + }
1.647 +
1.648 + if(element->sourceFlip)
1.649 + {
1.650 + DPRINT(("=== WFC_FastpathCheckGeometry(context = %p) - FAILED Source Flip Check", context));
1.651 + return OWF_FALSE;
1.652 + }
1.653 +
1.654 + if(element->sourceRotation == WFC_ROTATION_0)
1.655 + {
1.656 + sourceWidth = element->srcRect[2];
1.657 + sourceHeight = element->srcRect[3];
1.658 + }
1.659 + else
1.660 + {
1.661 + DPRINT(("=== WFC_FastpathCheckGeometry(context = %p) - FAILED Source Rotation (0x%x) Check",
1.662 + context, element->sourceRotation));
1.663 + return OWF_FALSE;
1.664 + }
1.665 +
1.666 + destWidth = element->dstRect[2];
1.667 + destHeight = element->dstRect[3];
1.668 +
1.669 + if ((sourceWidth != destWidth) || (sourceHeight != destHeight))
1.670 + {
1.671 + DPRINT(("=== WFC_FastpathCheckGeometry(context = %p) - FAILED Non-scaling Check", context));
1.672 + return OWF_FALSE;
1.673 + }
1.674 +
1.675 + if (context->rotation == WFC_ROTATION_0 || OWF_Screen_Rotation_Supported(context->displayContext))
1.676 + {
1.677 + if (context->rotation == WFC_ROTATION_0 || context->rotation == WFC_ROTATION_180)
1.678 + {
1.679 + targetWidth = context->targetWidth;
1.680 + targetHeight = context->targetHeight;
1.681 + }
1.682 + else
1.683 + {
1.684 + targetWidth = context->targetHeight;
1.685 + targetHeight = context->targetWidth;
1.686 + }
1.687 +
1.688 + if (destWidth == targetWidth && destHeight == targetHeight)
1.689 + {
1.690 + return OWF_TRUE;
1.691 + }
1.692 + else
1.693 + {
1.694 + DPRINT(("=== WFC_FastpathCheckGeometry(context = %p) - Failed Dimensions Check", context));
1.695 + }
1.696 + }
1.697 + else
1.698 + {
1.699 + DPRINT(("=== WFC_FastpathCheckGeometry(context = %p) - Failed Supported Rotations Check", context));
1.700 + }
1.701 +
1.702 + return OWF_FALSE;
1.703 + }
1.704 +
1.705 +/**
1.706 + * Check if the current scene is candidate for fastpath optimisation.
1.707 + * Fastpath optimisation means the topmost visible layer will be passed direct to the
1.708 + * lower level for presentation on the display without being composed.
1.709 + * There are two questions:
1.710 + * - Is the scene itself suitable for fastpathing?
1.711 + * - Can the surface selected for fastpathing be presented directly by the display?
1.712 + * This function will check the scene (eg reject if the top stream is non-opaque or smaller than the screen)
1.713 + *
1.714 + * @param context context object containing the scene to be checked.
1.715 + **/
1.716 +
1.717 +/* [Not in doxygen]
1.718 + * The first time MOpenWFC_RI_Display_Update::SetTopLayerSurface (or SetLayerSurface) is called
1.719 + * with a different stream handle, it can fail indicating the display cannot accept the stream.
1.720 + * The compositor will then have to immediately compose that frame as normal, and should continue
1.721 + * to perform normal composition until the scene changes to present a different stream as fastpath candidate.
1.722 + *
1.723 + * There is a middle ground, e.g. can the hardware handle over-sized images, or do scaling or do rotation?
1.724 + * SetTopLayerSurface accepts an optional list of imperfect attributes to be checked by the adaptation.
1.725 + * By WFC_Context_CheckFastpath only listing the attributes that are considered imperfect,
1.726 + * and SetLayerSurface rejecting fastpath for any attribute IDs that it doesn't recognise,
1.727 + * safe independent extensibility is assured.
1.728 + */
1.729 +static void
1.730 +WFC_Context_CheckFastpath(WFC_CONTEXT* context)
1.731 + {
1.732 + WFC_ELEMENT* element = NULL;
1.733 + OWF_ASSERT(context);
1.734 +
1.735 + DPRINT(("WFC_Context_CheckFastpath(context = %p) - Check Fastpath", context));
1.736 + if ((context->type != WFC_CONTEXT_TYPE_ON_SCREEN) ||
1.737 + OWF_DisplayContext_FastpathChecked(context->displayContext))
1.738 + {
1.739 + return;
1.740 + }
1.741 +
1.742 + // Simple case-fast path top most layer
1.743 + // More complex case, fast-path top most VISIBLE, OPAQUE layer.
1.744 + OWF_DisplayContext_DisableFastpath(context->displayContext);
1.745 + OWF_DisplayContext_SetFastpathChecked(context->displayContext);
1.746 + // Find top layer
1.747 + element = WFC_Scene_TopMostElement(context->committedScene);
1.748 + if (element && element->source && element->skipCompose == WFC_FALSE)
1.749 + {
1.750 +
1.751 + if (element->mask)
1.752 + {
1.753 + DPRINT(("=== WFC_Context_CheckFastpath(context = %p) - FAILED elemenent includes mask", context));
1.754 + return;
1.755 + }
1.756 +
1.757 + OWF_ASSERT(element->source->lockedStream.image);
1.758 +
1.759 + OWF_ASSERT(element->source->streamHandle != OWF_INVALID_HANDLE);
1.760 +
1.761 + if (!WFC_FastpathCheckGeometry(context, element))
1.762 + {
1.763 + return;
1.764 + }
1.765 +
1.766 + if (!WFC_FastpathCheckTransparency(element->transparencyTypes,
1.767 + element->globalAlpha,
1.768 + element->source->lockedStream.image->format.pixelFormat))
1.769 + {
1.770 + return;
1.771 + }
1.772 +
1.773 + OWF_DisplayContext_EnableFastpath(context->displayContext, element->source->streamHandle);
1.774 + DPRINT(("=== WFC_Context_CheckFastpath(context = %p) - Fastpath Enabled", context));
1.775 + }
1.776 + }
1.777 +
1.778 +/*---------------------------------------------------------------------------
1.779 + * Checks if the given stream would be valid as an off-screen context target.
1.780 + *
1.781 + * Checks that the format can be rendered TO.
1.782 + * Also checks that the image size is acceptable (within the scratch buffers).
1.783 + * This is called before the context is created so is effectively a "static" context method.
1.784 + *
1.785 + * \param stream Target stream to use for rendering
1.786 + ---------------------------------------------------------------------------*/
1.787 +
1.788 +OWF_API_CALL WFCboolean
1.789 +WFC_Context_IsValidTargetStream(OWFNativeStreamType stream)
1.790 +{
1.791 + OWFint width,height;
1.792 + OWF_IMAGE_FORMAT format;
1.793 + owfNativeStreamGetHeader(stream,
1.794 + &width, &height,
1.795 + NULL, &format, NULL);
1.796 + if (width>MAX_SOURCE_WIDTH)
1.797 + {
1.798 + return WFC_FALSE;
1.799 + }
1.800 + if (height>MAX_SOURCE_HEIGHT)
1.801 + {
1.802 + return WFC_FALSE;
1.803 + }
1.804 + return (WFCboolean)OWF_Image_IsValidDestinationFormat(&format);
1.805 +}
1.806 +
1.807 +/*---------------------------------------------------------------------------
1.808 + * Checks that the image size is acceptable (within the scratch buffers).
1.809 + * This is called before the source is created.
1.810 + *
1.811 + * \param stream source stream to use for rendering.
1.812 + ---------------------------------------------------------------------------*/
1.813 +
1.814 +OWF_API_CALL WFCboolean
1.815 +WFC_Context_IsValidSourceStream(OWFNativeStreamType stream)
1.816 +{
1.817 + OWFint width,height;
1.818 + owfNativeStreamGetHeader(stream,
1.819 + &width, &height,
1.820 + NULL, NULL, NULL);
1.821 + if ((width+2) * (height+2) > MAX_SOURCE_WIDTH * MAX_SOURCE_HEIGHT)
1.822 + {
1.823 + return WFC_FALSE;
1.824 + }
1.825 + return WFC_TRUE;
1.826 +}
1.827 +
1.828 +/*---------------------------------------------------------------------------
1.829 + * Find element from current scene
1.830 + *
1.831 + * \param context Context object
1.832 + * \param element Element to find
1.833 + *
1.834 + * \return Element object or NULL if element hasn't been inserted
1.835 + * into current scene.
1.836 + *----------------------------------------------------------------------------*/
1.837 +OWF_API_CALL WFC_ELEMENT*
1.838 +WFC_Context_FindElement(WFC_CONTEXT* context,
1.839 + WFCElement element)
1.840 +{
1.841 + OWF_ASSERT(context);
1.842 + return WFC_Scene_FindElement(context->workScene, element);
1.843 +}
1.844 +
1.845 +/*---------------------------------------------------------------------------
1.846 + * Commit context scene graph changes
1.847 + *
1.848 + * \param context Context to commit
1.849 + *----------------------------------------------------------------------------*/
1.850 +static void
1.851 +WFC_Context_DoCommit(WFC_CONTEXT* context)
1.852 +{
1.853 + OWF_ASSERT(context);
1.854 + DPRINT(("WFC_Context_DoCommit(context = %p)", context));
1.855 +
1.856 + OWF_ASSERT(context->snapshotScene);
1.857 +
1.858 +
1.859 + DPRINT(("COMMIT: Committing attribute list changes"));
1.860 +
1.861 + DPRINT(("COMMIT: Acquiring mutex"));
1.862 + OWF_Mutex_Lock(&context->sceneMutex);
1.863 +
1.864 + /* comitting scene attribute changes */
1.865 + DPRINT(("COMMIT: Committing scene attribute changes"));
1.866 + OWF_AttributeList_Commit(&context->attributes,
1.867 + WFC_CONTEXT_TYPE,
1.868 + WFC_CONTEXT_BG_COLOR,COMMITTED_ATTR_VALUE_INDEX);
1.869 +
1.870 +
1.871 + /* resolve sources and masks */
1.872 + DPRINT(("COMMIT: Committing scene changes"));
1.873 + WFC_Scene_Commit(context->snapshotScene);
1.874 + DPRINT(("COMMIT: Destroying old committed scene"));
1.875 + WFC_Scene_Destroy(context->committedScene);
1.876 + DPRINT(("COMMIT: Setting new snapshot scene as committed one."));
1.877 + context->committedScene = context->snapshotScene;
1.878 + context->snapshotScene = NULL;
1.879 +
1.880 + // reset the visibility flags
1.881 + owfSymDeviceResetVisibilityState(context);
1.882 +
1.883 + DPRINT(("COMMIT: Unlocking mutex"));
1.884 + OWF_Mutex_Unlock(&context->sceneMutex);
1.885 +
1.886 + DPRINT(("COMMIT: Signaling commit semaphore"));
1.887 + /* signal we're ready */
1.888 + OWF_Semaphore_Post(&context->commitSemaphore);
1.889 +}
1.890 +
1.891 +/*---------------------------------------------------------------------------
1.892 + *
1.893 + *----------------------------------------------------------------------------*/
1.894 +static OWFboolean
1.895 +WFC_Context_LockTargetForWriting(WFC_CONTEXT* context)
1.896 +{
1.897 + OWF_ASSERT(context);
1.898 +
1.899 + DPRINT(("WFC_Context_LockTargetForWriting"));
1.900 +
1.901 + context->state.targetBuffer =
1.902 + owfNativeStreamAcquireWriteBuffer(context->stream);
1.903 +
1.904 + if (!context->state.targetBuffer)
1.905 + {
1.906 + DPRINT(("Failed to WFC_Context_LockTargetForWriting owfNativeStreamAcquireWriteBuffer"));
1.907 + return OWF_FALSE;
1.908 + }
1.909 + context->state.targetPixels =
1.910 + owfNativeStreamGetBufferPtr(context->stream,
1.911 + context->state.targetBuffer);
1.912 +
1.913 + if ((WFC_ROTATION_0 == context->rotation || WFC_ROTATION_180 == context->rotation) ||
1.914 + !OWF_Screen_Rotation_Supported(context->displayContext))
1.915 + {
1.916 + /* final target, in target format */
1.917 + context->state.targetImage =context->state.unrotatedTargetImage;
1.918 + }
1.919 + else
1.920 + {
1.921 + /* final target, in target format */
1.922 + /* fExt stride/padding value is the rotated value */
1.923 + context->state.targetImage = context->state.rotatedTargetImage;
1.924 + }
1.925 + OWF_Image_SetPixelBuffer(context->state.targetImage,context->state.targetPixels);
1.926 +
1.927 + if (context->state.targetImage==NULL)
1.928 + {
1.929 + OWF_ASSERT(WFC_FALSE);
1.930 + }
1.931 +
1.932 + /* take context rotation into account. */
1.933 + if (WFC_ROTATION_0 == context->rotation ||
1.934 + WFC_ROTATION_180 == context->rotation)
1.935 + {
1.936 + context->state.internalTargetImage = context->state.unrotatedInternalTargetImage;
1.937 + }
1.938 + else
1.939 + {
1.940 + context->state.internalTargetImage = context->state.rotatedInternalTargetImage;
1.941 + }
1.942 +
1.943 + if (context->state.internalTargetImage==NULL)
1.944 + {
1.945 + OWF_ASSERT(WFC_FALSE);
1.946 + }
1.947 + return OWF_TRUE;
1.948 +}
1.949 +
1.950 +/*---------------------------------------------------------------------------
1.951 + *
1.952 + *----------------------------------------------------------------------------*/
1.953 +static void
1.954 +WFC_Context_UnlockTarget(WFC_CONTEXT* context,OWFboolean aDoPost)
1.955 +{
1.956 + OWF_ROTATION rotation = OWF_ROTATION_0;
1.957 +
1.958 + OWF_ASSERT(context);
1.959 + DPRINT(("WFC_Context_UnlockTarget"));
1.960 + DPRINT((" Unlocking target stream=%d, buffer=%d",
1.961 + context->stream, context->state.targetBuffer));
1.962 +
1.963 + owfNativeStreamReleaseWriteBuffer(context->stream,
1.964 + context->state.targetBuffer,
1.965 + EGL_NO_DISPLAY,
1.966 + NULL);
1.967 +
1.968 +
1.969 + if (aDoPost)
1.970 + {
1.971 + switch (context->rotation)
1.972 + {
1.973 + case WFC_ROTATION_0:
1.974 + {
1.975 + rotation = OWF_ROTATION_0;
1.976 + break;
1.977 + }
1.978 + case WFC_ROTATION_90:
1.979 + {
1.980 + rotation = OWF_ROTATION_90;
1.981 + break;
1.982 + }
1.983 + case WFC_ROTATION_180:
1.984 + {
1.985 + rotation = OWF_ROTATION_180;
1.986 + break;
1.987 + }
1.988 + case WFC_ROTATION_270:
1.989 + {
1.990 + rotation = OWF_ROTATION_270;
1.991 + break;
1.992 + }
1.993 + default:
1.994 + {
1.995 + OWF_ASSERT(0);
1.996 + }
1.997 + }
1.998 +
1.999 + if (!OWF_Screen_Post_Topmost_Layer(context->displayContext, context->stream, rotation))
1.1000 + { //getting a fail here is bad... display did not accept the composition buffer.
1.1001 + DPRINT(("WFC_Context_UnlockTarget - OWF_Screen_Post_Topmost_Layer failed for composition stream"));
1.1002 + OWF_ASSERT(0);
1.1003 + }
1.1004 + }
1.1005 +}
1.1006 +
1.1007 +/*---------------------------------------------------------------------------
1.1008 + *
1.1009 + *----------------------------------------------------------------------------*/
1.1010 +static void
1.1011 +WFC_Context_PrepareComposition(WFC_CONTEXT* context)
1.1012 +{
1.1013 + OWFsubpixel r, g, b, a;
1.1014 +
1.1015 + OWF_ASSERT(context);
1.1016 +
1.1017 + /* the first thing to do is to lock target stream and fetch
1.1018 + write buffer to it. fetching blocks until one is available,
1.1019 + but since only one stream can be target to only one context
1.1020 + at the time, no stalls should occur */
1.1021 + WFC_Context_LockTargetForWriting(context);
1.1022 +
1.1023 + /* prepare for composition by "clearing the table" with
1.1024 + background color. */
1.1025 +
1.1026 + r = (OWFsubpixel) OWF_RED_MAX_VALUE * ((context->backgroundColor >> 24) &
1.1027 + 0xFF) / OWF_BYTE_MAX_VALUE;
1.1028 + g = (OWFsubpixel) OWF_GREEN_MAX_VALUE * ((context->backgroundColor >> 16) &
1.1029 + 0xFF) / OWF_BYTE_MAX_VALUE;
1.1030 + b = (OWFsubpixel) OWF_BLUE_MAX_VALUE * ((context->backgroundColor >> 8) &
1.1031 + 0xFF) / OWF_BYTE_MAX_VALUE;
1.1032 + a = (OWFsubpixel) OWF_ALPHA_MAX_VALUE * (context->backgroundColor & 0xFF) /
1.1033 + OWF_BYTE_MAX_VALUE;
1.1034 +
1.1035 + r = r * a / OWF_ALPHA_MAX_VALUE;
1.1036 + g = g * a / OWF_ALPHA_MAX_VALUE;
1.1037 + b = b * a / OWF_ALPHA_MAX_VALUE;
1.1038 +
1.1039 + OWF_Image_Clear(context->state.internalTargetImage, r, g, b, a);
1.1040 +}
1.1041 +
1.1042 +
1.1043 +
1.1044 +/*---------------------------------------------------------------------------
1.1045 + *
1.1046 + *----------------------------------------------------------------------------*/
1.1047 +static void
1.1048 +WFC_Context_FinishComposition(WFC_CONTEXT* context)
1.1049 +{
1.1050 + OWF_ROTATION rotation = OWF_ROTATION_0;
1.1051 + OWFboolean screenRotation;
1.1052 +
1.1053 + OWF_ASSERT(context);
1.1054 +
1.1055 + screenRotation = OWF_Screen_Rotation_Supported(context->displayContext);
1.1056 + /* re-use scratch buffer 1 for context rotation */
1.1057 + if (WFC_ROTATION_0 == context->rotation || screenRotation)
1.1058 + {
1.1059 +
1.1060 + if (screenRotation)
1.1061 + {
1.1062 + if (WFC_ROTATION_90 == context->rotation || WFC_ROTATION_270 == context->rotation)
1.1063 + {
1.1064 + owfSetStreamFlipState(context->stream, OWF_TRUE);
1.1065 + }
1.1066 + else
1.1067 + {
1.1068 + owfSetStreamFlipState(context->stream, OWF_FALSE);
1.1069 + }
1.1070 + }
1.1071 + OWF_Image_DestinationFormatConversion(context->state.targetImage, context->state.internalTargetImage);
1.1072 + }
1.1073 + else
1.1074 + {
1.1075 + switch (context->rotation)
1.1076 + {
1.1077 + case WFC_ROTATION_0:
1.1078 + {
1.1079 + rotation = OWF_ROTATION_0;
1.1080 + break;
1.1081 + }
1.1082 + case WFC_ROTATION_90:
1.1083 + {
1.1084 + rotation = OWF_ROTATION_90;
1.1085 + break;
1.1086 + }
1.1087 + case WFC_ROTATION_180:
1.1088 + {
1.1089 + rotation = OWF_ROTATION_180;
1.1090 + break;
1.1091 + }
1.1092 + case WFC_ROTATION_270:
1.1093 + {
1.1094 + rotation = OWF_ROTATION_270;
1.1095 + break;
1.1096 + }
1.1097 + default:
1.1098 + {
1.1099 + OWF_ASSERT(0);
1.1100 + }
1.1101 + }
1.1102 +
1.1103 + /* rotate */
1.1104 + OWF_Image_Rotate(context->state.rotatedTargetImage,
1.1105 + context->state.internalTargetImage,
1.1106 + rotation);
1.1107 +
1.1108 + /* Note: support of different target formats can be put here */
1.1109 +
1.1110 + OWF_Image_DestinationFormatConversion(context->state.targetImage, context->state.rotatedTargetImage);
1.1111 + }
1.1112 + WFC_Context_UnlockTarget(context,(context->type==WFC_CONTEXT_TYPE_ON_SCREEN)?OWF_TRUE:OWF_FALSE);
1.1113 +}
1.1114 +
1.1115 +/*!---------------------------------------------------------------------------
1.1116 + * \brief Actual composition routine.
1.1117 + * Mainly just calls other functions that executes different stages of
1.1118 + * the composition pipeline.
1.1119 + * \param context Context to compose.
1.1120 + *----------------------------------------------------------------------------*/
1.1121 +static void
1.1122 +WFC_Context_DoCompose(WFC_CONTEXT* context)
1.1123 +{
1.1124 + WFC_SCENE* scene = NULL;
1.1125 + OWF_NODE* node = NULL;
1.1126 +
1.1127 + OWF_ASSERT(context);
1.1128 +
1.1129 + OWF_Mutex_Lock(&context->updateFlagMutex);
1.1130 +
1.1131 + OWF_DisplayContext_IncrementSerialNumber(context->displayContext);
1.1132 +
1.1133 + OWF_DisplayContext_SetCompositionOngoing(context->displayContext, WFC_TRUE);
1.1134 + context->sourceUpdateCount = 0;
1.1135 + OWF_Mutex_Unlock(&context->updateFlagMutex);
1.1136 +
1.1137 + DPRINT(("WFC_Context_Compose"));
1.1138 + /* Composition always uses the committed version
1.1139 + * of the scene.
1.1140 + */
1.1141 +
1.1142 + WFC_Scene_LockSourcesAndMasks(context->committedScene);
1.1143 +
1.1144 + OWF_Mutex_Lock(&context->sceneMutex);
1.1145 +
1.1146 + WFC_Context_CheckFastpath(context);
1.1147 + if (OWF_DisplayContext_FastpathEnabled(context->displayContext))
1.1148 + {
1.1149 + WFCboolean targetStreamAccessed;
1.1150 + OWFboolean screenRotation;
1.1151 + screenRotation = OWF_Screen_Rotation_Supported(context->displayContext);
1.1152 + if (WFC_Context_Active(context))
1.1153 + { //Full fastpath is only supported for autonomous composition
1.1154 + OWFNativeStreamType stream = OWF_INVALID_HANDLE;
1.1155 + OWF_ROTATION rotation = OWF_ROTATION_0;
1.1156 +
1.1157 + DPRINT(("== WFC_Context_DoCompose(context = %p) - Fastpathing", context));
1.1158 +
1.1159 + stream = OWF_DisplayContext_FastpathStream(context->displayContext);
1.1160 + if (screenRotation)
1.1161 + {
1.1162 + switch (context->rotation)
1.1163 + {
1.1164 + case WFC_ROTATION_0:
1.1165 + {
1.1166 + rotation = OWF_ROTATION_0;
1.1167 + break;
1.1168 + }
1.1169 + case WFC_ROTATION_90:
1.1170 + {
1.1171 + rotation = OWF_ROTATION_90;
1.1172 + break;
1.1173 + }
1.1174 + case WFC_ROTATION_180:
1.1175 + {
1.1176 + rotation = OWF_ROTATION_180;
1.1177 + break;
1.1178 + }
1.1179 + case WFC_ROTATION_270:
1.1180 + {
1.1181 + rotation = OWF_ROTATION_270;
1.1182 + break;
1.1183 + }
1.1184 + default:
1.1185 + {
1.1186 + OWF_ASSERT(0);
1.1187 + rotation = OWF_ROTATION_0;
1.1188 + }
1.1189 + }
1.1190 + }
1.1191 +
1.1192 + if (!OWF_Screen_Post_Topmost_Layer(context->displayContext, stream, rotation))
1.1193 + {
1.1194 +
1.1195 + DPRINT(("WFC_Context_Compose calls OWF_DisplayContext_DisableFastpath because !OWF_Screen_Post_Topmost_Layer()"));
1.1196 + OWF_DisplayContext_DisableFastpath(context->displayContext);
1.1197 + //If fastpath is disabled here then we need to compose properly this cycle
1.1198 + }
1.1199 + }
1.1200 + targetStreamAccessed = OWF_DisplayContext_InternalStreamAccessed(context->displayContext);
1.1201 + if (OWF_DisplayContext_FastpathEnabled(context->displayContext) && ( targetStreamAccessed || !WFC_Context_Active(context) ))
1.1202 + { //Fastpath in non-autonomous composition just does a simple copy and post.
1.1203 + DPRINT(("== WFC_Context_DoCompose(context = %p) - fastpath copy target", context));
1.1204 + if (WFC_Context_LockTargetForWriting(context))
1.1205 + {
1.1206 + OWFboolean copy;
1.1207 + if (screenRotation)
1.1208 + {
1.1209 + if (WFC_ROTATION_90 == context->rotation || WFC_ROTATION_270 == context->rotation)
1.1210 + {
1.1211 + owfSetStreamFlipState(context->stream, OWF_TRUE);
1.1212 + }
1.1213 + else
1.1214 + {
1.1215 + owfSetStreamFlipState(context->stream, OWF_FALSE);
1.1216 + }
1.1217 + }
1.1218 + copy=OWF_DisplayContext_CopyFastpathedStreamToTargetStream(context);
1.1219 + if (!WFC_Context_Active(context))
1.1220 + {
1.1221 + if (!copy)
1.1222 + {
1.1223 + DPRINT(("WFC_Context_Compose calls OWF_DisplayContext_DisableFastpath because !OWF_DisplayContext_CopyFastpathedStreamToTargetStream()"));
1.1224 + OWF_DisplayContext_DisableFastpath(context->displayContext);
1.1225 + //If fastpath is disabled here then we need to compose properly this cycle
1.1226 + }
1.1227 + }
1.1228 + else
1.1229 + {
1.1230 + copy=OWF_FALSE;
1.1231 + }
1.1232 +
1.1233 + WFC_Context_UnlockTarget(context,copy);
1.1234 + }
1.1235 + else
1.1236 + {
1.1237 + //If non-autonomous, then the lock target is required.
1.1238 + OWF_ASSERT(WFC_Context_Active(context));
1.1239 + }
1.1240 +
1.1241 + }
1.1242 + if (OWF_DisplayContext_FastpathEnabled(context->displayContext))
1.1243 + {
1.1244 + WFC_ELEMENT* topmostElement = NULL;
1.1245 + topmostElement = WFC_Scene_TopMostElement(context->committedScene);
1.1246 + owfSymElementNotifications(context, topmostElement);
1.1247 + }
1.1248 + }
1.1249 + if (!OWF_DisplayContext_FastpathEnabled(context->displayContext))
1.1250 + {
1.1251 + DPRINT(("== WFC_Context_DoCompose(context = %p) - Composing", context));
1.1252 + WFC_Context_PrepareComposition(context);
1.1253 +
1.1254 + scene = context->committedScene;
1.1255 + OWF_ASSERT(scene);
1.1256 +
1.1257 + for (node = scene->elements; NULL != node; node = node->next)
1.1258 + {
1.1259 +
1.1260 + WFC_ELEMENT* element = NULL;
1.1261 + WFC_ELEMENT_STATE* elementState = NULL;
1.1262 + element = ELEMENT(node->data);
1.1263 +
1.1264 + if (element->skipCompose)
1.1265 + {
1.1266 + /* this element is somehow degraded, its source is missing or
1.1267 + * something else; skip to next element */
1.1268 + DPRINT((" *** Skipping element %d", element->handle));
1.1269 + continue;
1.1270 + }
1.1271 +
1.1272 + DPRINT((" Composing element %d", element->handle));
1.1273 +
1.1274 + /* BeginComposition may fail e.g. if the element's destination
1.1275 + * rectangle is something bizarre, i.e. causes overflows or
1.1276 + * something.
1.1277 + */
1.1278 + if ((elementState=WFC_Pipeline_BeginComposition(context, element))!=NULL)
1.1279 + {
1.1280 + owfSymElementNotifications(context, element);
1.1281 +
1.1282 + WFC_Pipeline_ExecuteSourceConversionStage(context, elementState);
1.1283 + WFC_Pipeline_ExecuteCropStage(context, elementState);
1.1284 + WFC_Pipeline_ExecuteFlipStage(context, elementState);
1.1285 + WFC_Pipeline_ExecuteRotationStage(context, elementState);
1.1286 + WFC_Pipeline_ExecuteScalingStage(context, elementState);
1.1287 + WFC_Pipeline_ExecuteBlendingStage(context, elementState);
1.1288 +
1.1289 + WFC_Pipeline_EndComposition(context, element,elementState);
1.1290 + }
1.1291 + }
1.1292 +
1.1293 + WFC_Context_FinishComposition(context);
1.1294 + DPRINT(("=== WFC_Context_DoCompose(context = %p) - Diplayed Composition", context));
1.1295 + }
1.1296 +
1.1297 + WFC_Scene_UnlockSourcesAndMasks(context->committedScene);
1.1298 + owfSymProcessAllNotifications(context);
1.1299 + OWF_Mutex_Unlock(&context->sceneMutex);
1.1300 +
1.1301 + OWF_Semaphore_Post(&context->compositionSemaphore);
1.1302 +}
1.1303 +
1.1304 +/*---------------------------------------------------------------------------
1.1305 + * Activate/deactivate auto-composition on context
1.1306 + *
1.1307 + * \param context Context
1.1308 + * \param act Auto-composition enable/disable
1.1309 + *----------------------------------------------------------------------------*/
1.1310 +OWF_API_CALL void
1.1311 +WFC_Context_Activate(WFC_CONTEXT* context,
1.1312 + WFCboolean act)
1.1313 +{
1.1314 + OWF_ASSERT(context);
1.1315 +
1.1316 + DPRINT(("WFC_Context_Activate: %s", (act) ? "activate" : "deactivate"));
1.1317 +
1.1318 + if (act && !WFC_Context_Active(context))
1.1319 + {
1.1320 + DPRINT(("WFC_Context_Activate: WFC_CONTEXT_STATE_PASSIVE: activating"));
1.1321 + context->activationState = WFC_CONTEXT_STATE_ACTIVATING;
1.1322 +
1.1323 + /* moved from composer loop - updates must be allowed
1.1324 + * immediately after activation
1.1325 + */
1.1326 + WFC_Device_EnableContentNotifications(context->device,
1.1327 + context,
1.1328 + WFC_TRUE);
1.1329 +
1.1330 + OWF_Message_Send(&context->composerQueue,
1.1331 + WFC_MESSAGE_ACTIVATE,
1.1332 + 0);
1.1333 + }
1.1334 + else if (!act && WFC_Context_Active(context))
1.1335 + {
1.1336 + DPRINT(("WFC_Context_Activate: WFC_CONTEXT_STATE_ACTIVE: deactivating"));
1.1337 + context->activationState = WFC_CONTEXT_STATE_DEACTIVATING;
1.1338 + OWF_Message_Send(&context->composerQueue,
1.1339 + WFC_MESSAGE_DEACTIVATE,
1.1340 + 0);
1.1341 + }
1.1342 +}
1.1343 +
1.1344 +/*---------------------------------------------------------------------------
1.1345 + *
1.1346 + *----------------------------------------------------------------------------*/
1.1347 +OWF_API_CALL WFCboolean
1.1348 +WFC_Context_InvokeComposition(WFC_DEVICE* device,
1.1349 + WFC_CONTEXT* context,
1.1350 + WFCboolean wait)
1.1351 +{
1.1352 + WFCint status = 0;
1.1353 +
1.1354 + OWF_ASSERT(context);
1.1355 + OWF_ASSERT(device);
1.1356 +
1.1357 + device = device; /* suppress the compiler warning */
1.1358 +
1.1359 + status = OWF_Semaphore_TryWait(&context->compositionSemaphore);
1.1360 + if (status)
1.1361 + {
1.1362 + if (!wait)
1.1363 + {
1.1364 + /* busy; processing last request */
1.1365 + return WFC_FALSE;
1.1366 + }
1.1367 + /* wait previous frame composition to finish */
1.1368 + OWF_Semaphore_Wait(&context->compositionSemaphore);
1.1369 + }
1.1370 +
1.1371 + /* compositionSemaphore is posted/signaled in WFC_Context_Compose()
1.1372 + after frame has been successfully composed */
1.1373 + OWF_Message_Send(&context->composerQueue, WFC_MESSAGE_COMPOSE, 0);
1.1374 +
1.1375 + return WFC_TRUE;
1.1376 +}
1.1377 +
1.1378 +/*---------------------------------------------------------------------------
1.1379 + *
1.1380 + *----------------------------------------------------------------------------*/
1.1381 +OWF_API_CALL WFCErrorCode
1.1382 +WFC_Context_InvokeCommit(WFC_DEVICE* device,
1.1383 + WFC_CONTEXT* context,
1.1384 + WFCboolean wait)
1.1385 +{
1.1386 + WFCint status = 0;
1.1387 +
1.1388 + OWF_ASSERT(context);
1.1389 + OWF_ASSERT(device);
1.1390 +
1.1391 + device = device; /* suppress the compiler warning */
1.1392 +
1.1393 + /* first check if there're inconsistensies in the scene */
1.1394 + if (WFC_Scene_HasConflicts(context->workScene))
1.1395 + {
1.1396 + DPRINT(("WFC_Context_InvokeCommit: scene has inconsistensies"));
1.1397 + return WFC_ERROR_INCONSISTENCY;
1.1398 + }
1.1399 +
1.1400 + /* then commit - always asynchronously */
1.1401 + status = OWF_Semaphore_TryWait(&context->commitSemaphore);
1.1402 + DPRINT(("COMMIT: Commit semaphore status = %d", status));
1.1403 + if (status)
1.1404 + {
1.1405 + if (!wait)
1.1406 + {
1.1407 + DPRINT(("COMMIT: Busy; exiting."));
1.1408 + /* busy; processing last commit */
1.1409 + return WFC_ERROR_BUSY;
1.1410 + }
1.1411 +
1.1412 + DPRINT(("COMMIT: Waiting for previous commit to finish."));
1.1413 + /* wait previous commit to finish */
1.1414 + OWF_Semaphore_Wait(&context->commitSemaphore);
1.1415 + }
1.1416 +
1.1417 + /* comitting scene attribute changes */
1.1418 + DPRINT(("COMMIT: Cloning scene attribute changes"));
1.1419 + OWF_AttributeList_Commit(&context->attributes,
1.1420 + WFC_CONTEXT_TYPE,
1.1421 + WFC_CONTEXT_BG_COLOR,SNAPSHOT_ATTR_VALUE_INDEX);
1.1422 +
1.1423 + DPRINT(("COMMIT: Cloning scene"));
1.1424 + /* take snapshot of the current working copy - it will
1.1425 + * be the new committed scene */
1.1426 + context->snapshotScene = WFC_Scene_Clone(context->workScene);
1.1427 +
1.1428 + DPRINT(("COMMIT: Sending commit request"));
1.1429 + /* invoke async commit */
1.1430 + OWF_Message_Send(&context->composerQueue, WFC_MESSAGE_COMMIT, 0);
1.1431 + return WFC_ERROR_NONE;
1.1432 +}
1.1433 +
1.1434 +/*---------------------------------------------------------------------------
1.1435 + * \param context
1.1436 + * \param dpy
1.1437 + * \param sync
1.1438 + *----------------------------------------------------------------------------*/
1.1439 +OWF_API_CALL void
1.1440 +WFC_Context_InsertFence(WFC_CONTEXT* context,
1.1441 + WFCEGLDisplay dpy,
1.1442 + WFCEGLSync sync)
1.1443 +{
1.1444 + OWF_ASSERT(context);
1.1445 + OWF_ASSERT(sync);
1.1446 +
1.1447 + DPRINT(("WFC_Context_InsertFence: Sending fence sync: 0x%08x", sync));
1.1448 +
1.1449 + OWF_Message_Send(&context->composerQueue, WFC_MESSAGE_FENCE_1_DISPLAY, (void*) dpy);
1.1450 + OWF_Message_Send(&context->composerQueue, WFC_MESSAGE_FENCE_2_SYNCOBJECT, sync);
1.1451 +}
1.1452 +
1.1453 +/*---------------------------------------------------------------------------
1.1454 + * Insert element into context's scene
1.1455 + *
1.1456 + * \param context
1.1457 + * \param element
1.1458 + * \param subordinate
1.1459 + *
1.1460 + * \return WFCErrorCode
1.1461 + *----------------------------------------------------------------------------*/
1.1462 +OWF_API_CALL WFCErrorCode
1.1463 +WFC_Context_InsertElement(WFC_CONTEXT* context,
1.1464 + WFCElement element,
1.1465 + WFCElement subordinate)
1.1466 +{
1.1467 + WFC_ELEMENT* object = NULL;
1.1468 + WFCErrorCode result = WFC_ERROR_BAD_HANDLE;
1.1469 +
1.1470 + OWF_ASSERT(context);
1.1471 +
1.1472 + object = WFC_Device_FindElement(context->device, element);
1.1473 +
1.1474 + if (NULL != object && CONTEXT(object->context) == context)
1.1475 + {
1.1476 + /* set the sharing flag as the element will be
1.1477 + * shared between the device and working copy scene.
1.1478 + * this is to tell the scene that it must not destroy
1.1479 + * this element.
1.1480 + */
1.1481 + object->shared = WFC_TRUE;
1.1482 + result = WFC_Scene_InsertElement(context->workScene,
1.1483 + object,
1.1484 + subordinate);
1.1485 +
1.1486 + context->lowestElement = WFC_Scene_LowestElement(context->workScene);
1.1487 + }
1.1488 + return result;
1.1489 +}
1.1490 +
1.1491 +/*---------------------------------------------------------------------------
1.1492 + * Remove element from context's scene
1.1493 + *
1.1494 + * \param context
1.1495 + * \param element
1.1496 + *
1.1497 + * \return WFCErrorCode
1.1498 + *----------------------------------------------------------------------------*/
1.1499 +OWF_API_CALL WFCErrorCode
1.1500 +WFC_Context_RemoveElement(WFC_CONTEXT* context,
1.1501 + WFCElement element)
1.1502 +{
1.1503 + WFC_ELEMENT* elemento = NULL;
1.1504 +
1.1505 + OWF_ASSERT(context);
1.1506 +
1.1507 + elemento = WFC_Context_FindElement(context, element);
1.1508 +
1.1509 + if (elemento)
1.1510 + {
1.1511 + WFC_Scene_RemoveElement(context->workScene, element);
1.1512 + /* the element is no longer shared, as it only resides
1.1513 + * in device from this point on
1.1514 + */
1.1515 + elemento->shared = WFC_FALSE;
1.1516 + context->lowestElement = WFC_Scene_LowestElement(context->workScene);
1.1517 + }
1.1518 +
1.1519 + return WFC_ERROR_NONE;
1.1520 +}
1.1521 +
1.1522 +/*!
1.1523 + * \brief IncreaseClientElementCount
1.1524 + *
1.1525 + * \param context
1.1526 + * \return positive increased current element count; negative or zero indicating the count can't be increased
1.1527 + */
1.1528 +OWF_API_CALL WFCint
1.1529 +WFC_Context_IncreaseClientElementCount(WFC_CONTEXT* context)
1.1530 + {
1.1531 + /* This implementation simply caps the number of elements allocated to the client
1.1532 + * to 1/3 of the total elements.
1.1533 + * A cleverer strategy would allow the client to create more elements
1.1534 + * so long as the number added to the scene *2 did not exceed the spare pool size.
1.1535 + * These failure points are also a good place to consider increasing the pool size
1.1536 + */
1.1537 + if (context->clientElementCount>=MAX_ELEMENTS)
1.1538 + {
1.1539 + return -context->clientElementCount;
1.1540 + }
1.1541 + else
1.1542 + {
1.1543 + return ++context->clientElementCount;
1.1544 + }
1.1545 + }
1.1546 +
1.1547 +/*!
1.1548 + * \brief DecreaseClientElementCount
1.1549 + *
1.1550 + * \param context
1.1551 + * \return positive or zero decreased current element count; negative indicating the count can't be decreased - p0robably already zero
1.1552 + */
1.1553 +OWF_API_CALL WFCint
1.1554 +WFC_Context_DecreaseClientElementCount(WFC_CONTEXT* context)
1.1555 + {
1.1556 + /* note that a negative return indicates that decrements are not matched with increments */
1.1557 + return --context->clientElementCount;
1.1558 + }
1.1559 +
1.1560 +/*---------------------------------------------------------------------------
1.1561 + *
1.1562 + *----------------------------------------------------------------------------*/
1.1563 +OWF_API_CALL WFCErrorCode
1.1564 +WFC_Context_GetElementAbove(WFC_CONTEXT* context,
1.1565 + WFCElement element,
1.1566 + WFCElement* result)
1.1567 +{
1.1568 + WFC_ELEMENT* object = NULL;
1.1569 + WFCErrorCode error = WFC_ERROR_ILLEGAL_ARGUMENT;
1.1570 +
1.1571 + OWF_ASSERT(context);
1.1572 + OWF_ASSERT(result);
1.1573 +
1.1574 + object = WFC_Context_FindElement(context, element);
1.1575 +
1.1576 + if (object)
1.1577 + {
1.1578 + WFCElement temp;
1.1579 +
1.1580 + temp = WFC_Scene_GetNeighbourElement(context->workScene, element, 1);
1.1581 + *result = temp;
1.1582 + error = WFC_ERROR_NONE;
1.1583 + }
1.1584 + return error;
1.1585 +}
1.1586 +
1.1587 +/*---------------------------------------------------------------------------
1.1588 + *
1.1589 + *----------------------------------------------------------------------------*/
1.1590 +OWF_API_CALL WFCErrorCode
1.1591 +WFC_Context_GetElementBelow(WFC_CONTEXT* context,
1.1592 + WFCElement element,
1.1593 + WFCElement* result)
1.1594 +{
1.1595 + WFC_ELEMENT* object = NULL;
1.1596 + WFCErrorCode error = WFC_ERROR_ILLEGAL_ARGUMENT;
1.1597 +
1.1598 + OWF_ASSERT(context);
1.1599 + OWF_ASSERT(result);
1.1600 +
1.1601 + object = WFC_Context_FindElement(context, element);
1.1602 + if (object)
1.1603 + {
1.1604 + WFCElement temp;
1.1605 +
1.1606 + temp = WFC_Scene_GetNeighbourElement(context->workScene, element, -1);
1.1607 + *result = temp;
1.1608 + error = WFC_ERROR_NONE;
1.1609 + }
1.1610 + return error;
1.1611 +}
1.1612 +
1.1613 +/*---------------------------------------------------------------------------
1.1614 + *
1.1615 + *----------------------------------------------------------------------------*/
1.1616 +OWF_API_CALL WFCErrorCode
1.1617 +WFC_Context_GetAttribi(WFC_CONTEXT* context,
1.1618 + WFCContextAttrib attrib,
1.1619 + WFCint* value)
1.1620 +{
1.1621 + WFCint temp = 0;
1.1622 + OWF_ATTRIBUTE_LIST_STATUS err;
1.1623 + WFCErrorCode result = WFC_ERROR_NONE;
1.1624 +
1.1625 + OWF_ASSERT(context);
1.1626 + OWF_ASSERT(value);
1.1627 +
1.1628 + temp = OWF_Attribute_GetValuei(&context->attributes, attrib);
1.1629 + err = OWF_AttributeList_GetError(&context->attributes);
1.1630 +
1.1631 + if (err != ATTR_ERROR_NONE)
1.1632 + {
1.1633 + result = WFC_ERROR_BAD_ATTRIBUTE;
1.1634 + }
1.1635 + else
1.1636 + {
1.1637 + *value = temp;
1.1638 + }
1.1639 + return result;
1.1640 +}
1.1641 +
1.1642 +/*---------------------------------------------------------------------------
1.1643 + *
1.1644 + *----------------------------------------------------------------------------*/
1.1645 +OWF_API_CALL WFCErrorCode
1.1646 +WFC_Context_SetAttribi(WFC_CONTEXT* context,
1.1647 + WFCContextAttrib attrib,
1.1648 + WFCint value)
1.1649 +{
1.1650 + WFCErrorCode result = WFC_ERROR_NONE;
1.1651 +
1.1652 + OWF_ASSERT(context);
1.1653 +
1.1654 + /* check value */
1.1655 + switch (attrib)
1.1656 + {
1.1657 + case WFC_CONTEXT_BG_COLOR:
1.1658 + {
1.1659 + OWFint alpha;
1.1660 +
1.1661 + /*
1.1662 + * Color format is RGBA NOT RGBA.
1.1663 + */
1.1664 + alpha = value & 0xFF;
1.1665 +
1.1666 + if (WFC_CONTEXT_TYPE_ON_SCREEN == context->type)
1.1667 + {
1.1668 + /* the only allowed value for on-screen context
1.1669 + * background alpha is 255 */
1.1670 + if (alpha != 255)
1.1671 + {
1.1672 + result = WFC_ERROR_ILLEGAL_ARGUMENT;
1.1673 + }
1.1674 + }
1.1675 + break;
1.1676 + }
1.1677 +
1.1678 + case WFC_CONTEXT_ROTATION:
1.1679 + {
1.1680 + if (!(WFC_ROTATION_0 == value ||
1.1681 + WFC_ROTATION_90 == value ||
1.1682 + WFC_ROTATION_180 == value ||
1.1683 + WFC_ROTATION_270 == value))
1.1684 + {
1.1685 + result = WFC_ERROR_ILLEGAL_ARGUMENT;
1.1686 + }
1.1687 + else
1.1688 + {
1.1689 + OWF_DisplayContext_ResetFastpathCheck(context->displayContext);
1.1690 + }
1.1691 + break;
1.1692 + }
1.1693 +
1.1694 + case WFC_CONTEXT_TYPE:
1.1695 + case WFC_CONTEXT_TARGET_HEIGHT:
1.1696 + case WFC_CONTEXT_TARGET_WIDTH:
1.1697 + case WFC_CONTEXT_LOWEST_ELEMENT:
1.1698 + {
1.1699 + result = WFC_ERROR_BAD_ATTRIBUTE;
1.1700 + break;
1.1701 + }
1.1702 +
1.1703 + case WFC_CONTEXT_FORCE_32BIT:
1.1704 + default:
1.1705 + {
1.1706 + result = WFC_ERROR_BAD_ATTRIBUTE;
1.1707 + break;
1.1708 + }
1.1709 + }
1.1710 +
1.1711 + if (WFC_ERROR_NONE == result)
1.1712 + {
1.1713 + OWF_ATTRIBUTE_LIST_STATUS error;
1.1714 +
1.1715 + /* try changing the value */
1.1716 + OWF_Attribute_SetValuei(&context->attributes, attrib, value);
1.1717 + error = OWF_AttributeList_GetError(&context->attributes);
1.1718 +
1.1719 + /* transform errors */
1.1720 + switch (error) {
1.1721 + case ATTR_ERROR_ACCESS_DENIED:
1.1722 + case ATTR_ERROR_INVALID_ATTRIBUTE:
1.1723 + {
1.1724 + result = WFC_ERROR_BAD_ATTRIBUTE;
1.1725 + break;
1.1726 + }
1.1727 + default:
1.1728 + {
1.1729 + break;
1.1730 + }
1.1731 + }
1.1732 + }
1.1733 +
1.1734 + return result;
1.1735 +}
1.1736 +
1.1737 +/*---------------------------------------------------------------------------
1.1738 + *
1.1739 + *----------------------------------------------------------------------------*/
1.1740 +OWF_API_CALL WFCErrorCode
1.1741 +WFC_Context_GetAttribfv(WFC_CONTEXT* context,
1.1742 + WFCContextAttrib attrib,
1.1743 + WFCint count,
1.1744 + WFCfloat* values)
1.1745 +{
1.1746 + WFCErrorCode result = WFC_ERROR_NONE;
1.1747 +
1.1748 + OWF_ASSERT(context);
1.1749 + OWF_ASSERT(values);
1.1750 +
1.1751 + switch (attrib)
1.1752 + {
1.1753 + case WFC_CONTEXT_BG_COLOR:
1.1754 + {
1.1755 + if (4 != count)
1.1756 + {
1.1757 + result = WFC_ERROR_ILLEGAL_ARGUMENT;
1.1758 + }
1.1759 + else
1.1760 + {
1.1761 + OWFuint32 color;
1.1762 + OWF_ATTRIBUTE_LIST_STATUS err;
1.1763 +
1.1764 + color = OWF_Attribute_GetValuei(&context->attributes, attrib);
1.1765 + err = OWF_AttributeList_GetError(&context->attributes);
1.1766 +
1.1767 + if (err != ATTR_ERROR_NONE)
1.1768 + {
1.1769 + result = WFC_ERROR_BAD_ATTRIBUTE;
1.1770 + break;
1.1771 + }
1.1772 +
1.1773 + /* extract color channels and convert to float */
1.1774 + values[0] = (WFCfloat) (color >> 24) /
1.1775 + (WFCfloat) OWF_BYTE_MAX_VALUE;
1.1776 + values[1] = (WFCfloat) ((color >> 16) & 0xFF) /
1.1777 + (WFCfloat) OWF_BYTE_MAX_VALUE;
1.1778 + values[2] = (WFCfloat) ((color >> 8) & 0xFF) /
1.1779 + (WFCfloat) OWF_BYTE_MAX_VALUE;
1.1780 + values[3] = (WFCfloat) (color & 0xFF) /
1.1781 + (WFCfloat) OWF_BYTE_MAX_VALUE;
1.1782 + }
1.1783 + break;
1.1784 + }
1.1785 +
1.1786 + default:
1.1787 + {
1.1788 + result = WFC_ERROR_BAD_ATTRIBUTE;
1.1789 + break;
1.1790 + }
1.1791 + }
1.1792 +
1.1793 + return result;
1.1794 +}
1.1795 +
1.1796 +/*---------------------------------------------------------------------------
1.1797 + *
1.1798 + *----------------------------------------------------------------------------*/
1.1799 +OWF_API_CALL WFCErrorCode
1.1800 +WFC_Context_SetAttribfv(WFC_CONTEXT* context,
1.1801 + WFCContextAttrib attrib,
1.1802 + WFCint count,
1.1803 + const WFCfloat* values)
1.1804 +{
1.1805 + WFCErrorCode result = WFC_ERROR_NONE;
1.1806 +
1.1807 + OWF_ASSERT(context);
1.1808 + OWF_ASSERT(values);
1.1809 +
1.1810 + switch (attrib)
1.1811 + {
1.1812 + case WFC_CONTEXT_BG_COLOR:
1.1813 + {
1.1814 + if (4 != count)
1.1815 + {
1.1816 + result = WFC_ERROR_ILLEGAL_ARGUMENT;
1.1817 + }
1.1818 + else
1.1819 + {
1.1820 + OWFuint32 color;
1.1821 +
1.1822 + /* Every color component value must fall within range [0, 1] */
1.1823 + if (INRANGE(values[0], 0.0f, 1.0f) &&
1.1824 + INRANGE(values[1], 0.0f, 1.0f) &&
1.1825 + INRANGE(values[2], 0.0f, 1.0f) &&
1.1826 + INRANGE(values[3], 0.0f, 1.0f))
1.1827 + {
1.1828 + color = (((OWFuint32) floor(values[0] * 255)) << 24) |
1.1829 + (((OWFuint32) floor(values[1] * 255)) << 16) |
1.1830 + (((OWFuint32) floor(values[2] * 255)) << 8) |
1.1831 + ((OWFuint32) floor(values[3] * 255));
1.1832 +
1.1833 + /* delegate to integer accessor - it'll check the
1.1834 + * the rest of the value and update it eventually */
1.1835 + result = WFC_Context_SetAttribi(context, attrib, color);
1.1836 + }
1.1837 + else
1.1838 + {
1.1839 + result = WFC_ERROR_ILLEGAL_ARGUMENT;
1.1840 + }
1.1841 + }
1.1842 + break;
1.1843 + }
1.1844 +
1.1845 + default:
1.1846 + {
1.1847 + result = WFC_ERROR_BAD_ATTRIBUTE;
1.1848 + break;
1.1849 + }
1.1850 + }
1.1851 +
1.1852 + return result;
1.1853 +}
1.1854 +
1.1855 +
1.1856 +static void
1.1857 +WFC_Context_AutoComposer(WFC_CONTEXT* context)
1.1858 +{
1.1859 + OWF_Mutex_Lock(&context->updateFlagMutex);
1.1860 + if (context->sourceUpdateCount > 0)
1.1861 + {
1.1862 + DPRINT(("WFC_Context_ComposerThread: %d sources were updated, "
1.1863 + "invoking composition\n",
1.1864 + context->sourceUpdateCount));
1.1865 +
1.1866 + /* reset update counter */
1.1867 +
1.1868 + OWF_Mutex_Unlock(&context->updateFlagMutex);
1.1869 + WFC_Context_DoCompose(context);
1.1870 + }
1.1871 + else
1.1872 + {
1.1873 + OWF_Mutex_Unlock(&context->updateFlagMutex);
1.1874 + }
1.1875 +}
1.1876 +
1.1877 +/*---------------------------------------------------------------------------
1.1878 + *
1.1879 + *----------------------------------------------------------------------------*/
1.1880 +static void*
1.1881 +WFC_Context_ComposerThread(void* data)
1.1882 +{
1.1883 + WFC_CONTEXT* context = (WFC_CONTEXT*) data;
1.1884 + OWFboolean screenCreated = OWF_TRUE;
1.1885 + OWF_MESSAGE msg;
1.1886 +
1.1887 +
1.1888 + OWF_ASSERT(context);
1.1889 + DPRINT(("WFC_Context_ComposerThread starting"));
1.1890 +
1.1891 + memset(&msg, 0, sizeof(OWF_MESSAGE));
1.1892 +
1.1893 + if (context->type == WFC_CONTEXT_TYPE_ON_SCREEN)
1.1894 + {
1.1895 + screenCreated = OWF_Screen_Create(context->screenNumber, context->displayContext);
1.1896 + }
1.1897 +
1.1898 + OWF_ComposerThread_Rendezvous(context->displayContext);
1.1899 +
1.1900 + OWF_ComposerThread_RendezvousDestroy(context->displayContext);
1.1901 +
1.1902 + while (context->device && msg.id != WFC_MESSAGE_QUIT && screenCreated)
1.1903 + {
1.1904 + OWFint err = -1;
1.1905 +
1.1906 + if (WFC_CONTEXT_STATE_ACTIVE == context->activationState)
1.1907 + {
1.1908 + err = OWF_Message_Wait(&context->composerQueue,
1.1909 + &msg,
1.1910 + AUTO_COMPOSE_DELAY);
1.1911 +
1.1912 + WFC_Context_AutoComposer(context);
1.1913 + }
1.1914 + else
1.1915 + {
1.1916 + DPRINT((" ComposerThread waiting for message"));
1.1917 + err = OWF_Message_Wait(&context->composerQueue, &msg, WAIT_FOREVER);
1.1918 + }
1.1919 +
1.1920 + if (0 == err)
1.1921 + {
1.1922 + switch (msg.id)
1.1923 + {
1.1924 + case WFC_MESSAGE_ACTIVATE:
1.1925 + {
1.1926 + DPRINT(("****** ENABLING AUTO-COMPOSITION ******"));
1.1927 + context->activationState = WFC_CONTEXT_STATE_ACTIVE;
1.1928 + break;
1.1929 + }
1.1930 +
1.1931 + case WFC_MESSAGE_DEACTIVATE:
1.1932 + {
1.1933 + /* cancel possible countdown so that update won't occur
1.1934 + * after deactivation */
1.1935 + DPRINT(("****** DISABLING AUTO-COMPOSITION ******"));
1.1936 + WFC_Device_EnableContentNotifications(context->device,
1.1937 + context,
1.1938 + WFC_FALSE);
1.1939 + context->activationState = WFC_CONTEXT_STATE_PASSIVE;
1.1940 + if (OWF_DisplayContext_FastpathEnabled(context->displayContext))
1.1941 + {
1.1942 + DPRINT(("COMMIT: Invoking fastpath recomposition after deactivate"));
1.1943 + WFC_Context_DoCompose(context);
1.1944 + }
1.1945 + break;
1.1946 + }
1.1947 +
1.1948 + case WFC_MESSAGE_COMMIT:
1.1949 + {
1.1950 + DPRINT(("****** COMMITTING SCENE CHANGES ******"));
1.1951 +
1.1952 + DPRINT(("COMMIT: Invoking DoCommit"));
1.1953 + WFC_Context_DoCommit(context);
1.1954 + OWF_DisplayContext_ResetFastpathCheck(context->displayContext);
1.1955 + if (!WFC_Context_Active(context))
1.1956 + {
1.1957 + DPRINT(("COMMIT: Context is inactive, composition "
1.1958 + "not needed.", context->handle));
1.1959 + break;
1.1960 + }
1.1961 + else
1.1962 + {
1.1963 + /* context is active; compose immediately after
1.1964 + * commit has completed */
1.1965 +
1.1966 + DPRINT(("COMMIT: Invoking composition after commit"));
1.1967 + }
1.1968 + /* FLOW THROUGH */
1.1969 + }
1.1970 +
1.1971 + case WFC_MESSAGE_COMPOSE:
1.1972 + {
1.1973 + DPRINT(("****** COMPOSING SCENE ******"));
1.1974 +
1.1975 + WFC_Context_DoCompose(context);
1.1976 +
1.1977 + break;
1.1978 + }
1.1979 +
1.1980 + case WFC_MESSAGE_FENCE_1_DISPLAY:
1.1981 + {
1.1982 + DPRINT(("****** STORING EGLDISPLAY (%p) ******", msg.data));
1.1983 +
1.1984 + context->nextSyncObjectDisplay = (WFCEGLDisplay)msg.data;
1.1985 + break;
1.1986 + }
1.1987 +
1.1988 + case WFC_MESSAGE_FENCE_2_SYNCOBJECT:
1.1989 + {
1.1990 + DPRINT(("****** BREAKING FENCE (%p) ******", msg.data));
1.1991 + OWF_ASSERT(context->eglPrivateSignalSync);
1.1992 +
1.1993 + context->eglPrivateSignalSync(context->nextSyncObjectDisplay,
1.1994 + (WFCEGLSync) msg.data,
1.1995 + EGL_SIGNALED_KHR);
1.1996 + break;
1.1997 + }
1.1998 + }
1.1999 + }
1.2000 + }
1.2001 +
1.2002 + if (context->type == WFC_CONTEXT_TYPE_ON_SCREEN)
1.2003 + {
1.2004 + OWF_Screen_Destroy(context->displayContext);
1.2005 + }
1.2006 + /* Release any use of EGL by this thread. */
1.2007 + eglReleaseThread();
1.2008 +
1.2009 + DPRINT(("WFC_Context_ComposerThread terminating"));
1.2010 + OWF_Thread_Exit(NULL);
1.2011 + return NULL;
1.2012 +}
1.2013 +
1.2014 +/*---------------------------------------------------------------------------
1.2015 + *
1.2016 + *----------------------------------------------------------------------------*/
1.2017 +OWF_API_CALL WFCboolean
1.2018 +WFC_Context_Active(WFC_CONTEXT* context)
1.2019 +{
1.2020 + OWF_ASSERT(context);
1.2021 +
1.2022 + return (WFC_CONTEXT_STATE_ACTIVE == context->activationState ||
1.2023 + WFC_CONTEXT_STATE_ACTIVATING == context->activationState) ? WFC_TRUE : WFC_FALSE;
1.2024 +}
1.2025 +
1.2026 +#ifdef __cplusplus
1.2027 +}
1.2028 +#endif
1.2029 +