1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/angle/src/libEGL/Display.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,537 @@
1.4 +//
1.5 +// Copyright (c) 2002-2013 The ANGLE Project Authors. All rights reserved.
1.6 +// Use of this source code is governed by a BSD-style license that can be
1.7 +// found in the LICENSE file.
1.8 +//
1.9 +
1.10 +// Display.cpp: Implements the egl::Display class, representing the abstract
1.11 +// display on which graphics are drawn. Implements EGLDisplay.
1.12 +// [EGL 1.4] section 2.1.2 page 3.
1.13 +
1.14 +#include "libEGL/Display.h"
1.15 +
1.16 +#include <algorithm>
1.17 +#include <map>
1.18 +#include <vector>
1.19 +
1.20 +#include "common/debug.h"
1.21 +#include "libGLESv2/mathutil.h"
1.22 +#include "libGLESv2/main.h"
1.23 +#include "libGLESv2/Context.h"
1.24 +#include "libGLESv2/renderer/SwapChain.h"
1.25 +
1.26 +#include "libEGL/main.h"
1.27 +#include "libEGL/Surface.h"
1.28 +
1.29 +namespace egl
1.30 +{
1.31 +namespace
1.32 +{
1.33 + typedef std::map<EGLNativeDisplayType, Display*> DisplayMap;
1.34 + DisplayMap displays;
1.35 +}
1.36 +
1.37 +egl::Display *Display::getDisplay(EGLNativeDisplayType displayId)
1.38 +{
1.39 + if (displays.find(displayId) != displays.end())
1.40 + {
1.41 + return displays[displayId];
1.42 + }
1.43 +
1.44 + // FIXME: Check if displayId is a valid display device context
1.45 +
1.46 + egl::Display *display = new egl::Display(displayId, (HDC)displayId);
1.47 +
1.48 + displays[displayId] = display;
1.49 + return display;
1.50 +}
1.51 +
1.52 +Display::Display(EGLNativeDisplayType displayId, HDC deviceContext) : mDc(deviceContext)
1.53 +{
1.54 + mDisplayId = displayId;
1.55 + mRenderer = NULL;
1.56 +}
1.57 +
1.58 +Display::~Display()
1.59 +{
1.60 + terminate();
1.61 +
1.62 + DisplayMap::iterator thisDisplay = displays.find(mDisplayId);
1.63 +
1.64 + if (thisDisplay != displays.end())
1.65 + {
1.66 + displays.erase(thisDisplay);
1.67 + }
1.68 +}
1.69 +
1.70 +bool Display::initialize()
1.71 +{
1.72 + if (isInitialized())
1.73 + {
1.74 + return true;
1.75 + }
1.76 +
1.77 + mRenderer = glCreateRenderer(this, mDc, mDisplayId);
1.78 +
1.79 + if (!mRenderer)
1.80 + {
1.81 + terminate();
1.82 + return error(EGL_NOT_INITIALIZED, false);
1.83 + }
1.84 +
1.85 + EGLint minSwapInterval = mRenderer->getMinSwapInterval();
1.86 + EGLint maxSwapInterval = mRenderer->getMaxSwapInterval();
1.87 + EGLint maxTextureWidth = mRenderer->getMaxTextureWidth();
1.88 + EGLint maxTextureHeight = mRenderer->getMaxTextureHeight();
1.89 +
1.90 + rx::ConfigDesc *descList;
1.91 + int numConfigs = mRenderer->generateConfigs(&descList);
1.92 + ConfigSet configSet;
1.93 +
1.94 + for (int i = 0; i < numConfigs; ++i)
1.95 + configSet.add(descList[i], minSwapInterval, maxSwapInterval,
1.96 + maxTextureWidth, maxTextureHeight);
1.97 +
1.98 + // Give the sorted configs a unique ID and store them internally
1.99 + EGLint index = 1;
1.100 + for (ConfigSet::Iterator config = configSet.mSet.begin(); config != configSet.mSet.end(); config++)
1.101 + {
1.102 + Config configuration = *config;
1.103 + configuration.mConfigID = index;
1.104 + index++;
1.105 +
1.106 + mConfigSet.mSet.insert(configuration);
1.107 + }
1.108 +
1.109 + mRenderer->deleteConfigs(descList);
1.110 + descList = NULL;
1.111 +
1.112 + if (!isInitialized())
1.113 + {
1.114 + terminate();
1.115 + return false;
1.116 + }
1.117 +
1.118 + initExtensionString();
1.119 + initVendorString();
1.120 +
1.121 + return true;
1.122 +}
1.123 +
1.124 +void Display::terminate()
1.125 +{
1.126 + while (!mSurfaceSet.empty())
1.127 + {
1.128 + destroySurface(*mSurfaceSet.begin());
1.129 + }
1.130 +
1.131 + while (!mContextSet.empty())
1.132 + {
1.133 + destroyContext(*mContextSet.begin());
1.134 + }
1.135 +
1.136 + glDestroyRenderer(mRenderer);
1.137 + mRenderer = NULL;
1.138 +}
1.139 +
1.140 +bool Display::getConfigs(EGLConfig *configs, const EGLint *attribList, EGLint configSize, EGLint *numConfig)
1.141 +{
1.142 + return mConfigSet.getConfigs(configs, attribList, configSize, numConfig);
1.143 +}
1.144 +
1.145 +bool Display::getConfigAttrib(EGLConfig config, EGLint attribute, EGLint *value)
1.146 +{
1.147 + const egl::Config *configuration = mConfigSet.get(config);
1.148 +
1.149 + switch (attribute)
1.150 + {
1.151 + case EGL_BUFFER_SIZE: *value = configuration->mBufferSize; break;
1.152 + case EGL_ALPHA_SIZE: *value = configuration->mAlphaSize; break;
1.153 + case EGL_BLUE_SIZE: *value = configuration->mBlueSize; break;
1.154 + case EGL_GREEN_SIZE: *value = configuration->mGreenSize; break;
1.155 + case EGL_RED_SIZE: *value = configuration->mRedSize; break;
1.156 + case EGL_DEPTH_SIZE: *value = configuration->mDepthSize; break;
1.157 + case EGL_STENCIL_SIZE: *value = configuration->mStencilSize; break;
1.158 + case EGL_CONFIG_CAVEAT: *value = configuration->mConfigCaveat; break;
1.159 + case EGL_CONFIG_ID: *value = configuration->mConfigID; break;
1.160 + case EGL_LEVEL: *value = configuration->mLevel; break;
1.161 + case EGL_NATIVE_RENDERABLE: *value = configuration->mNativeRenderable; break;
1.162 + case EGL_NATIVE_VISUAL_TYPE: *value = configuration->mNativeVisualType; break;
1.163 + case EGL_SAMPLES: *value = configuration->mSamples; break;
1.164 + case EGL_SAMPLE_BUFFERS: *value = configuration->mSampleBuffers; break;
1.165 + case EGL_SURFACE_TYPE: *value = configuration->mSurfaceType; break;
1.166 + case EGL_TRANSPARENT_TYPE: *value = configuration->mTransparentType; break;
1.167 + case EGL_TRANSPARENT_BLUE_VALUE: *value = configuration->mTransparentBlueValue; break;
1.168 + case EGL_TRANSPARENT_GREEN_VALUE: *value = configuration->mTransparentGreenValue; break;
1.169 + case EGL_TRANSPARENT_RED_VALUE: *value = configuration->mTransparentRedValue; break;
1.170 + case EGL_BIND_TO_TEXTURE_RGB: *value = configuration->mBindToTextureRGB; break;
1.171 + case EGL_BIND_TO_TEXTURE_RGBA: *value = configuration->mBindToTextureRGBA; break;
1.172 + case EGL_MIN_SWAP_INTERVAL: *value = configuration->mMinSwapInterval; break;
1.173 + case EGL_MAX_SWAP_INTERVAL: *value = configuration->mMaxSwapInterval; break;
1.174 + case EGL_LUMINANCE_SIZE: *value = configuration->mLuminanceSize; break;
1.175 + case EGL_ALPHA_MASK_SIZE: *value = configuration->mAlphaMaskSize; break;
1.176 + case EGL_COLOR_BUFFER_TYPE: *value = configuration->mColorBufferType; break;
1.177 + case EGL_RENDERABLE_TYPE: *value = configuration->mRenderableType; break;
1.178 + case EGL_MATCH_NATIVE_PIXMAP: *value = false; UNIMPLEMENTED(); break;
1.179 + case EGL_CONFORMANT: *value = configuration->mConformant; break;
1.180 + case EGL_MAX_PBUFFER_WIDTH: *value = configuration->mMaxPBufferWidth; break;
1.181 + case EGL_MAX_PBUFFER_HEIGHT: *value = configuration->mMaxPBufferHeight; break;
1.182 + case EGL_MAX_PBUFFER_PIXELS: *value = configuration->mMaxPBufferPixels; break;
1.183 + default:
1.184 + return false;
1.185 + }
1.186 +
1.187 + return true;
1.188 +}
1.189 +
1.190 +
1.191 +
1.192 +EGLSurface Display::createWindowSurface(HWND window, EGLConfig config, const EGLint *attribList)
1.193 +{
1.194 + const Config *configuration = mConfigSet.get(config);
1.195 + EGLint postSubBufferSupported = EGL_FALSE;
1.196 +
1.197 + if (attribList)
1.198 + {
1.199 + while (*attribList != EGL_NONE)
1.200 + {
1.201 + switch (attribList[0])
1.202 + {
1.203 + case EGL_RENDER_BUFFER:
1.204 + switch (attribList[1])
1.205 + {
1.206 + case EGL_BACK_BUFFER:
1.207 + break;
1.208 + case EGL_SINGLE_BUFFER:
1.209 + return error(EGL_BAD_MATCH, EGL_NO_SURFACE); // Rendering directly to front buffer not supported
1.210 + default:
1.211 + return error(EGL_BAD_ATTRIBUTE, EGL_NO_SURFACE);
1.212 + }
1.213 + break;
1.214 + case EGL_POST_SUB_BUFFER_SUPPORTED_NV:
1.215 + postSubBufferSupported = attribList[1];
1.216 + break;
1.217 + case EGL_VG_COLORSPACE:
1.218 + return error(EGL_BAD_MATCH, EGL_NO_SURFACE);
1.219 + case EGL_VG_ALPHA_FORMAT:
1.220 + return error(EGL_BAD_MATCH, EGL_NO_SURFACE);
1.221 + default:
1.222 + return error(EGL_BAD_ATTRIBUTE, EGL_NO_SURFACE);
1.223 + }
1.224 +
1.225 + attribList += 2;
1.226 + }
1.227 + }
1.228 +
1.229 + if (hasExistingWindowSurface(window))
1.230 + {
1.231 + return error(EGL_BAD_ALLOC, EGL_NO_SURFACE);
1.232 + }
1.233 +
1.234 + if (mRenderer->testDeviceLost(false))
1.235 + {
1.236 + if (!restoreLostDevice())
1.237 + return EGL_NO_SURFACE;
1.238 + }
1.239 +
1.240 + Surface *surface = new Surface(this, configuration, window, postSubBufferSupported);
1.241 +
1.242 + if (!surface->initialize())
1.243 + {
1.244 + delete surface;
1.245 + return EGL_NO_SURFACE;
1.246 + }
1.247 +
1.248 + mSurfaceSet.insert(surface);
1.249 +
1.250 + return success(surface);
1.251 +}
1.252 +
1.253 +EGLSurface Display::createOffscreenSurface(EGLConfig config, HANDLE shareHandle, const EGLint *attribList)
1.254 +{
1.255 + EGLint width = 0, height = 0;
1.256 + EGLenum textureFormat = EGL_NO_TEXTURE;
1.257 + EGLenum textureTarget = EGL_NO_TEXTURE;
1.258 + const Config *configuration = mConfigSet.get(config);
1.259 +
1.260 + if (attribList)
1.261 + {
1.262 + while (*attribList != EGL_NONE)
1.263 + {
1.264 + switch (attribList[0])
1.265 + {
1.266 + case EGL_WIDTH:
1.267 + width = attribList[1];
1.268 + break;
1.269 + case EGL_HEIGHT:
1.270 + height = attribList[1];
1.271 + break;
1.272 + case EGL_LARGEST_PBUFFER:
1.273 + if (attribList[1] != EGL_FALSE)
1.274 + UNIMPLEMENTED(); // FIXME
1.275 + break;
1.276 + case EGL_TEXTURE_FORMAT:
1.277 + switch (attribList[1])
1.278 + {
1.279 + case EGL_NO_TEXTURE:
1.280 + case EGL_TEXTURE_RGB:
1.281 + case EGL_TEXTURE_RGBA:
1.282 + textureFormat = attribList[1];
1.283 + break;
1.284 + default:
1.285 + return error(EGL_BAD_ATTRIBUTE, EGL_NO_SURFACE);
1.286 + }
1.287 + break;
1.288 + case EGL_TEXTURE_TARGET:
1.289 + switch (attribList[1])
1.290 + {
1.291 + case EGL_NO_TEXTURE:
1.292 + case EGL_TEXTURE_2D:
1.293 + textureTarget = attribList[1];
1.294 + break;
1.295 + default:
1.296 + return error(EGL_BAD_ATTRIBUTE, EGL_NO_SURFACE);
1.297 + }
1.298 + break;
1.299 + case EGL_MIPMAP_TEXTURE:
1.300 + if (attribList[1] != EGL_FALSE)
1.301 + return error(EGL_BAD_ATTRIBUTE, EGL_NO_SURFACE);
1.302 + break;
1.303 + case EGL_VG_COLORSPACE:
1.304 + return error(EGL_BAD_MATCH, EGL_NO_SURFACE);
1.305 + case EGL_VG_ALPHA_FORMAT:
1.306 + return error(EGL_BAD_MATCH, EGL_NO_SURFACE);
1.307 + default:
1.308 + return error(EGL_BAD_ATTRIBUTE, EGL_NO_SURFACE);
1.309 + }
1.310 +
1.311 + attribList += 2;
1.312 + }
1.313 + }
1.314 +
1.315 + if (width < 0 || height < 0)
1.316 + {
1.317 + return error(EGL_BAD_PARAMETER, EGL_NO_SURFACE);
1.318 + }
1.319 +
1.320 + if (width == 0 || height == 0)
1.321 + {
1.322 + return error(EGL_BAD_ATTRIBUTE, EGL_NO_SURFACE);
1.323 + }
1.324 +
1.325 + if (textureFormat != EGL_NO_TEXTURE && !mRenderer->getNonPower2TextureSupport() && (!gl::isPow2(width) || !gl::isPow2(height)))
1.326 + {
1.327 + return error(EGL_BAD_MATCH, EGL_NO_SURFACE);
1.328 + }
1.329 +
1.330 + if ((textureFormat != EGL_NO_TEXTURE && textureTarget == EGL_NO_TEXTURE) ||
1.331 + (textureFormat == EGL_NO_TEXTURE && textureTarget != EGL_NO_TEXTURE))
1.332 + {
1.333 + return error(EGL_BAD_MATCH, EGL_NO_SURFACE);
1.334 + }
1.335 +
1.336 + if (!(configuration->mSurfaceType & EGL_PBUFFER_BIT))
1.337 + {
1.338 + return error(EGL_BAD_MATCH, EGL_NO_SURFACE);
1.339 + }
1.340 +
1.341 + if ((textureFormat == EGL_TEXTURE_RGB && configuration->mBindToTextureRGB != EGL_TRUE) ||
1.342 + (textureFormat == EGL_TEXTURE_RGBA && configuration->mBindToTextureRGBA != EGL_TRUE))
1.343 + {
1.344 + return error(EGL_BAD_ATTRIBUTE, EGL_NO_SURFACE);
1.345 + }
1.346 +
1.347 + if (mRenderer->testDeviceLost(false))
1.348 + {
1.349 + if (!restoreLostDevice())
1.350 + return EGL_NO_SURFACE;
1.351 + }
1.352 +
1.353 + Surface *surface = new Surface(this, configuration, shareHandle, width, height, textureFormat, textureTarget);
1.354 +
1.355 + if (!surface->initialize())
1.356 + {
1.357 + delete surface;
1.358 + return EGL_NO_SURFACE;
1.359 + }
1.360 +
1.361 + mSurfaceSet.insert(surface);
1.362 +
1.363 + return success(surface);
1.364 +}
1.365 +
1.366 +EGLContext Display::createContext(EGLConfig configHandle, const gl::Context *shareContext, bool notifyResets, bool robustAccess)
1.367 +{
1.368 + if (!mRenderer)
1.369 + {
1.370 + return NULL;
1.371 + }
1.372 + else if (mRenderer->testDeviceLost(false)) // Lost device
1.373 + {
1.374 + if (!restoreLostDevice())
1.375 + return NULL;
1.376 + }
1.377 +
1.378 + gl::Context *context = glCreateContext(shareContext, mRenderer, notifyResets, robustAccess);
1.379 + mContextSet.insert(context);
1.380 +
1.381 + return context;
1.382 +}
1.383 +
1.384 +bool Display::restoreLostDevice()
1.385 +{
1.386 + for (ContextSet::iterator ctx = mContextSet.begin(); ctx != mContextSet.end(); ctx++)
1.387 + {
1.388 + if ((*ctx)->isResetNotificationEnabled())
1.389 + return false; // If reset notifications have been requested, application must delete all contexts first
1.390 + }
1.391 +
1.392 + // Release surface resources to make the Reset() succeed
1.393 + for (SurfaceSet::iterator surface = mSurfaceSet.begin(); surface != mSurfaceSet.end(); surface++)
1.394 + {
1.395 + (*surface)->release();
1.396 + }
1.397 +
1.398 + if (!mRenderer->resetDevice())
1.399 + {
1.400 + return error(EGL_BAD_ALLOC, false);
1.401 + }
1.402 +
1.403 + // Restore any surfaces that may have been lost
1.404 + for (SurfaceSet::iterator surface = mSurfaceSet.begin(); surface != mSurfaceSet.end(); surface++)
1.405 + {
1.406 + (*surface)->resetSwapChain();
1.407 + }
1.408 +
1.409 + return true;
1.410 +}
1.411 +
1.412 +
1.413 +void Display::destroySurface(egl::Surface *surface)
1.414 +{
1.415 + delete surface;
1.416 + mSurfaceSet.erase(surface);
1.417 +}
1.418 +
1.419 +void Display::destroyContext(gl::Context *context)
1.420 +{
1.421 + glDestroyContext(context);
1.422 + mContextSet.erase(context);
1.423 +}
1.424 +
1.425 +void Display::notifyDeviceLost()
1.426 +{
1.427 + for (ContextSet::iterator context = mContextSet.begin(); context != mContextSet.end(); context++)
1.428 + {
1.429 + (*context)->markContextLost();
1.430 + }
1.431 + egl::error(EGL_CONTEXT_LOST);
1.432 +}
1.433 +
1.434 +void Display::recreateSwapChains()
1.435 +{
1.436 + for (SurfaceSet::iterator surface = mSurfaceSet.begin(); surface != mSurfaceSet.end(); surface++)
1.437 + {
1.438 + (*surface)->getSwapChain()->recreate();
1.439 + }
1.440 +}
1.441 +
1.442 +bool Display::isInitialized() const
1.443 +{
1.444 + return mRenderer != NULL && mConfigSet.size() > 0;
1.445 +}
1.446 +
1.447 +bool Display::isValidConfig(EGLConfig config)
1.448 +{
1.449 + return mConfigSet.get(config) != NULL;
1.450 +}
1.451 +
1.452 +bool Display::isValidContext(gl::Context *context)
1.453 +{
1.454 + return mContextSet.find(context) != mContextSet.end();
1.455 +}
1.456 +
1.457 +bool Display::isValidSurface(egl::Surface *surface)
1.458 +{
1.459 + return mSurfaceSet.find(surface) != mSurfaceSet.end();
1.460 +}
1.461 +
1.462 +bool Display::hasExistingWindowSurface(HWND window)
1.463 +{
1.464 + for (SurfaceSet::iterator surface = mSurfaceSet.begin(); surface != mSurfaceSet.end(); surface++)
1.465 + {
1.466 + if ((*surface)->getWindowHandle() == window)
1.467 + {
1.468 + return true;
1.469 + }
1.470 + }
1.471 +
1.472 + return false;
1.473 +}
1.474 +
1.475 +void Display::initExtensionString()
1.476 +{
1.477 + HMODULE swiftShader = GetModuleHandle(TEXT("swiftshader_d3d9.dll"));
1.478 + bool shareHandleSupported = mRenderer->getShareHandleSupport();
1.479 +
1.480 + mExtensionString = "";
1.481 +
1.482 + // Multi-vendor (EXT) extensions
1.483 + mExtensionString += "EGL_EXT_create_context_robustness ";
1.484 +
1.485 + // ANGLE-specific extensions
1.486 + if (shareHandleSupported)
1.487 + {
1.488 + mExtensionString += "EGL_ANGLE_d3d_share_handle_client_buffer ";
1.489 + }
1.490 +
1.491 + mExtensionString += "EGL_ANGLE_query_surface_pointer ";
1.492 +
1.493 + if (swiftShader)
1.494 + {
1.495 + mExtensionString += "EGL_ANGLE_software_display ";
1.496 + }
1.497 +
1.498 + if (shareHandleSupported)
1.499 + {
1.500 + mExtensionString += "EGL_ANGLE_surface_d3d_texture_2d_share_handle ";
1.501 + }
1.502 +
1.503 + if (mRenderer->getPostSubBufferSupport())
1.504 + {
1.505 + mExtensionString += "EGL_NV_post_sub_buffer";
1.506 + }
1.507 +
1.508 + std::string::size_type end = mExtensionString.find_last_not_of(' ');
1.509 + if (end != std::string::npos)
1.510 + {
1.511 + mExtensionString.resize(end+1);
1.512 + }
1.513 +}
1.514 +
1.515 +const char *Display::getExtensionString() const
1.516 +{
1.517 + return mExtensionString.c_str();
1.518 +}
1.519 +
1.520 +void Display::initVendorString()
1.521 +{
1.522 + mVendorString = "Google Inc.";
1.523 +
1.524 + LUID adapterLuid = {0};
1.525 +
1.526 + if (mRenderer && mRenderer->getLUID(&adapterLuid))
1.527 + {
1.528 + char adapterLuidString[64];
1.529 + sprintf_s(adapterLuidString, sizeof(adapterLuidString), " (adapter LUID: %08x%08x)", adapterLuid.HighPart, adapterLuid.LowPart);
1.530 +
1.531 + mVendorString += adapterLuidString;
1.532 + }
1.533 +}
1.534 +
1.535 +const char *Display::getVendorString() const
1.536 +{
1.537 + return mVendorString.c_str();
1.538 +}
1.539 +
1.540 +}
