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comparison: gfx/gl/SharedSurfaceANGLE.cpp
gfx/gl/SharedSurfaceANGLE.cpp
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:1f0efca674e6 |
|---|---|
| 1 /* -*- Mode: c++; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 40; -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #include "SharedSurfaceANGLE.h" | |
| 7 | |
| 8 #include "GLContextEGL.h" | |
| 9 | |
| 10 using namespace mozilla::gfx; | |
| 11 | |
| 12 namespace mozilla { | |
| 13 namespace gl { | |
| 14 | |
| 15 SurfaceFactory_ANGLEShareHandle* | |
| 16 SurfaceFactory_ANGLEShareHandle::Create(GLContext* gl, | |
| 17 ID3D10Device1* d3d, | |
| 18 const SurfaceCaps& caps) | |
| 19 { | |
| 20 GLLibraryEGL* egl = &sEGLLibrary; | |
| 21 if (!egl) | |
| 22 return nullptr; | |
| 23 | |
| 24 if (!egl->IsExtensionSupported( | |
| 25 GLLibraryEGL::ANGLE_surface_d3d_texture_2d_share_handle)) | |
| 26 { | |
| 27 return nullptr; | |
| 28 } | |
| 29 | |
| 30 return new SurfaceFactory_ANGLEShareHandle(gl, egl, d3d, caps); | |
| 31 } | |
| 32 | |
| 33 EGLDisplay | |
| 34 SharedSurface_ANGLEShareHandle::Display() | |
| 35 { | |
| 36 return mEGL->Display(); | |
| 37 } | |
| 38 | |
| 39 | |
| 40 SharedSurface_ANGLEShareHandle::~SharedSurface_ANGLEShareHandle() | |
| 41 { | |
| 42 mEGL->fDestroySurface(Display(), mPBuffer); | |
| 43 } | |
| 44 | |
| 45 void | |
| 46 SharedSurface_ANGLEShareHandle::LockProdImpl() | |
| 47 { | |
| 48 GLContextEGL::Cast(mGL)->SetEGLSurfaceOverride(mPBuffer); | |
| 49 } | |
| 50 | |
| 51 void | |
| 52 SharedSurface_ANGLEShareHandle::UnlockProdImpl() | |
| 53 { | |
| 54 } | |
| 55 | |
| 56 | |
| 57 void | |
| 58 SharedSurface_ANGLEShareHandle::Fence() | |
| 59 { | |
| 60 mGL->fFinish(); | |
| 61 } | |
| 62 | |
| 63 bool | |
| 64 SharedSurface_ANGLEShareHandle::WaitSync() | |
| 65 { | |
| 66 // Since we glFinish in Fence(), we're always going to be resolved here. | |
| 67 return true; | |
| 68 } | |
| 69 | |
| 70 static void | |
| 71 FillPBufferAttribs_ByBits(nsTArray<EGLint>& aAttrs, | |
| 72 int redBits, int greenBits, | |
| 73 int blueBits, int alphaBits, | |
| 74 int depthBits, int stencilBits) | |
| 75 { | |
| 76 aAttrs.Clear(); | |
| 77 | |
| 78 #if defined(A1) || defined(A2) | |
| 79 #error The temp-macro names we want are already defined. | |
| 80 #endif | |
| 81 | |
| 82 #define A1(_x) do { aAttrs.AppendElement(_x); } while (0) | |
| 83 #define A2(_x,_y) do { A1(_x); A1(_y); } while (0) | |
| 84 | |
| 85 A2(LOCAL_EGL_RENDERABLE_TYPE, LOCAL_EGL_OPENGL_ES2_BIT); | |
| 86 A2(LOCAL_EGL_SURFACE_TYPE, LOCAL_EGL_PBUFFER_BIT); | |
| 87 | |
| 88 A2(LOCAL_EGL_RED_SIZE, redBits); | |
| 89 A2(LOCAL_EGL_GREEN_SIZE, greenBits); | |
| 90 A2(LOCAL_EGL_BLUE_SIZE, blueBits); | |
| 91 A2(LOCAL_EGL_ALPHA_SIZE, alphaBits); | |
| 92 | |
| 93 A2(LOCAL_EGL_DEPTH_SIZE, depthBits); | |
| 94 A2(LOCAL_EGL_STENCIL_SIZE, stencilBits); | |
| 95 | |
| 96 A1(LOCAL_EGL_NONE); | |
| 97 #undef A1 | |
| 98 #undef A2 | |
| 99 } | |
| 100 | |
| 101 static void | |
| 102 FillPBufferAttribs_BySizes(nsTArray<EGLint>& attribs, | |
| 103 bool bpp16, bool hasAlpha, | |
| 104 int depthBits, int stencilBits) | |
| 105 { | |
| 106 int red = 0; | |
| 107 int green = 0; | |
| 108 int blue = 0; | |
| 109 int alpha = 0; | |
| 110 | |
| 111 if (bpp16) { | |
| 112 if (hasAlpha) { | |
| 113 red = green = blue = alpha = 4; | |
| 114 } else { | |
| 115 red = 5; | |
| 116 green = 6; | |
| 117 blue = 5; | |
| 118 } | |
| 119 } else { | |
| 120 red = green = blue = 8; | |
| 121 if (hasAlpha) | |
| 122 alpha = 8; | |
| 123 } | |
| 124 | |
| 125 FillPBufferAttribs_ByBits(attribs, | |
| 126 red, green, blue, alpha, | |
| 127 depthBits, stencilBits); | |
| 128 } | |
| 129 | |
| 130 static EGLConfig | |
| 131 ChooseConfig(GLContext* gl, | |
| 132 GLLibraryEGL* egl, | |
| 133 const SurfaceCaps& caps) | |
| 134 { | |
| 135 MOZ_ASSERT(egl); | |
| 136 MOZ_ASSERT(caps.color); | |
| 137 | |
| 138 // We might want 24-bit depth, but we're only (fairly) sure to get 16-bit. | |
| 139 int depthBits = caps.depth ? 16 : 0; | |
| 140 int stencilBits = caps.stencil ? 8 : 0; | |
| 141 | |
| 142 // Ok, now we have everything. | |
| 143 nsTArray<EGLint> attribs(32); | |
| 144 FillPBufferAttribs_BySizes(attribs, | |
| 145 caps.bpp16, caps.alpha, | |
| 146 depthBits, stencilBits); | |
| 147 | |
| 148 // Time to try to get this config: | |
| 149 EGLConfig configs[64]; | |
| 150 int numConfigs = sizeof(configs)/sizeof(EGLConfig); | |
| 151 int foundConfigs = 0; | |
| 152 | |
| 153 if (!egl->fChooseConfig(egl->Display(), | |
| 154 attribs.Elements(), | |
| 155 configs, numConfigs, | |
| 156 &foundConfigs) || | |
| 157 !foundConfigs) | |
| 158 { | |
| 159 NS_WARNING("No configs found for the requested formats."); | |
| 160 return EGL_NO_CONFIG; | |
| 161 } | |
| 162 | |
| 163 // TODO: Pick a config progamatically instead of hoping that | |
| 164 // the first config will be minimally matching our request. | |
| 165 EGLConfig config = configs[0]; | |
| 166 | |
| 167 if (gl->DebugMode()) { | |
| 168 egl->DumpEGLConfig(config); | |
| 169 } | |
| 170 | |
| 171 return config; | |
| 172 } | |
| 173 | |
| 174 | |
| 175 // Returns EGL_NO_SURFACE on error. | |
| 176 static EGLSurface CreatePBufferSurface(GLLibraryEGL* egl, | |
| 177 EGLDisplay display, | |
| 178 EGLConfig config, | |
| 179 const gfx::IntSize& size) | |
| 180 { | |
| 181 EGLint attribs[] = { | |
| 182 LOCAL_EGL_WIDTH, size.width, | |
| 183 LOCAL_EGL_HEIGHT, size.height, | |
| 184 LOCAL_EGL_NONE | |
| 185 }; | |
| 186 | |
| 187 EGLSurface surface = egl->fCreatePbufferSurface(display, config, attribs); | |
| 188 | |
| 189 return surface; | |
| 190 } | |
| 191 | |
| 192 SharedSurface_ANGLEShareHandle* | |
| 193 SharedSurface_ANGLEShareHandle::Create(GLContext* gl, ID3D10Device1* d3d, | |
| 194 EGLContext context, EGLConfig config, | |
| 195 const gfx::IntSize& size, bool hasAlpha) | |
| 196 { | |
| 197 GLLibraryEGL* egl = &sEGLLibrary; | |
| 198 MOZ_ASSERT(egl); | |
| 199 MOZ_ASSERT(egl->IsExtensionSupported( | |
| 200 GLLibraryEGL::ANGLE_surface_d3d_texture_2d_share_handle)); | |
| 201 | |
| 202 if (!context || !config) | |
| 203 return nullptr; | |
| 204 | |
| 205 EGLDisplay display = egl->Display(); | |
| 206 EGLSurface pbuffer = CreatePBufferSurface(egl, display, config, size); | |
| 207 if (!pbuffer) | |
| 208 return nullptr; | |
| 209 | |
| 210 | |
| 211 // Declare everything before 'goto's. | |
| 212 HANDLE shareHandle = nullptr; | |
| 213 nsRefPtr<ID3D10Texture2D> texture; | |
| 214 nsRefPtr<ID3D10ShaderResourceView> srv; | |
| 215 | |
| 216 // On failure, goto CleanUpIfFailed. | |
| 217 // If |failed|, CleanUpIfFailed will clean up and return null. | |
| 218 bool failed = true; | |
| 219 HRESULT hr; | |
| 220 | |
| 221 // Off to the races! | |
| 222 if (!egl->fQuerySurfacePointerANGLE( | |
| 223 display, | |
| 224 pbuffer, | |
| 225 LOCAL_EGL_D3D_TEXTURE_2D_SHARE_HANDLE_ANGLE, | |
| 226 &shareHandle)) | |
| 227 { | |
| 228 NS_ERROR("Failed to grab ShareHandle for PBuffer!"); | |
| 229 goto CleanUpIfFailed; | |
| 230 } | |
| 231 | |
| 232 // Ok, we have a valid PBuffer with ShareHandle. | |
| 233 // Let's attach it to D3D. | |
| 234 hr = d3d->OpenSharedResource(shareHandle, | |
| 235 __uuidof(ID3D10Texture2D), | |
| 236 getter_AddRefs(texture)); | |
| 237 if (FAILED(hr)) { | |
| 238 NS_ERROR("Failed to open shared resource!"); | |
| 239 goto CleanUpIfFailed; | |
| 240 } | |
| 241 | |
| 242 hr = d3d->CreateShaderResourceView(texture, nullptr, getter_AddRefs(srv)); | |
| 243 if (FAILED(hr)) { | |
| 244 NS_ERROR("Failed to create SRV!"); | |
| 245 goto CleanUpIfFailed; | |
| 246 } | |
| 247 | |
| 248 failed = false; | |
| 249 | |
| 250 CleanUpIfFailed: | |
| 251 if (failed) { | |
| 252 NS_WARNING("CleanUpIfFailed"); | |
| 253 egl->fDestroySurface(egl->Display(), pbuffer); | |
| 254 return nullptr; | |
| 255 } | |
| 256 | |
| 257 return new SharedSurface_ANGLEShareHandle(gl, egl, | |
| 258 size, hasAlpha, | |
| 259 context, pbuffer, | |
| 260 texture, srv); | |
| 261 } | |
| 262 | |
| 263 | |
| 264 SurfaceFactory_ANGLEShareHandle::SurfaceFactory_ANGLEShareHandle(GLContext* gl, | |
| 265 GLLibraryEGL* egl, | |
| 266 ID3D10Device1* d3d, | |
| 267 const SurfaceCaps& caps) | |
| 268 : SurfaceFactory_GL(gl, SharedSurfaceType::EGLSurfaceANGLE, caps) | |
| 269 , mProdGL(gl) | |
| 270 , mEGL(egl) | |
| 271 , mConsD3D(d3d) | |
| 272 { | |
| 273 mConfig = ChooseConfig(mProdGL, mEGL, mReadCaps); | |
| 274 mContext = GLContextEGL::Cast(mProdGL)->GetEGLContext(); | |
| 275 MOZ_ASSERT(mConfig && mContext); | |
| 276 } | |
| 277 | |
| 278 } /* namespace gl */ | |
| 279 } /* namespace mozilla */ |
