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| 1 | |
| 2 /* | |
| 3 * Copyright 2015 Google Inc. | |
| 4 * | |
| 5 * Use of this source code is governed by a BSD-style license that can be | |
| 6 * found in the LICENSE file. | |
| 7 */ | |
| 8 | |
| 9 #include "SkOnce.h" | |
| 10 #include "gl/GrGLInterface.h" | |
| 11 #include "gl/GrGLAssembleInterface.h" | |
| 12 #include "gl/command_buffer/GLContext_command_buffer.h" | |
| 13 #include "../ports/SkOSEnvironment.h" | |
| 14 #include "../ports/SkOSLibrary.h" | |
| 15 | |
| 16 #if defined SK_BUILD_FOR_MAC | |
| 17 | |
| 18 // EGL doesn't exist on the mac, so expose what we need to get the command buffe
r's EGL running. | |
| 19 typedef void *EGLDisplay; | |
| 20 typedef unsigned int EGLBoolean; | |
| 21 typedef void *EGLConfig; | |
| 22 typedef void *EGLSurface; | |
| 23 typedef void *EGLContext; | |
| 24 typedef int32_t EGLint; | |
| 25 typedef void* EGLNativeDisplayType; | |
| 26 typedef void* EGLNativeWindowType; | |
| 27 typedef void (*__eglMustCastToProperFunctionPointerType)(void); | |
| 28 #define EGL_FALSE 0 | |
| 29 #define EGL_OPENGL_ES2_BIT 0x0004 | |
| 30 #define EGL_CONTEXT_CLIENT_VERSION 0x3098 | |
| 31 #define EGL_NO_SURFACE ((EGLSurface)0) | |
| 32 #define EGL_NO_DISPLAY ((EGLDisplay)0) | |
| 33 #define EGL_NO_CONTEXT ((EGLContext)0) | |
| 34 #define EGL_DEFAULT_DISPLAY ((EGLNativeDisplayType)0) | |
| 35 #define EGL_SURFACE_TYPE 0x3033 | |
| 36 #define EGL_PBUFFER_BIT 0x0001 | |
| 37 #define EGL_RENDERABLE_TYPE 0x3040 | |
| 38 #define EGL_RED_SIZE 0x3024 | |
| 39 #define EGL_GREEN_SIZE 0x3023 | |
| 40 #define EGL_BLUE_SIZE 0x3022 | |
| 41 #define EGL_ALPHA_SIZE 0x3021 | |
| 42 #define EGL_DEPTH_SIZE 0x3025 | |
| 43 #define EGL_STENCIL_SIZE 0x3025 | |
| 44 #define EGL_SAMPLES 0x3031 | |
| 45 #define EGL_SAMPLE_BUFFERS 0x3032 | |
| 46 #define EGL_NONE 0x3038 | |
| 47 #define EGL_WIDTH 0x3057 | |
| 48 #define EGL_HEIGHT 0x3056 | |
| 49 | |
| 50 #else | |
| 51 | |
| 52 #include <EGL/egl.h> | |
| 53 | |
| 54 #endif | |
| 55 | |
| 56 typedef EGLDisplay (*GetDisplayProc)(EGLNativeDisplayType display_id); | |
| 57 typedef EGLBoolean (*InitializeProc)(EGLDisplay dpy, EGLint *major, EGLint *mino
r); | |
| 58 typedef EGLBoolean (*TerminateProc)(EGLDisplay dpy); | |
| 59 typedef EGLBoolean (*ChooseConfigProc)(EGLDisplay dpy, const EGLint* attrib_list
, EGLConfig* configs, EGLint config_size, EGLint* num_config); | |
| 60 typedef EGLBoolean (*GetConfigAttrib)(EGLDisplay dpy, EGLConfig config, EGLint a
ttribute, EGLint* value); | |
| 61 typedef EGLSurface (*CreateWindowSurfaceProc)(EGLDisplay dpy, EGLConfig config,
EGLNativeWindowType win, const EGLint* attrib_list); | |
| 62 typedef EGLSurface (*CreatePbufferSurfaceProc)(EGLDisplay dpy, EGLConfig config,
const EGLint* attrib_list); | |
| 63 typedef EGLBoolean (*DestroySurfaceProc)(EGLDisplay dpy, EGLSurface surface); | |
| 64 typedef EGLContext (*CreateContextProc)(EGLDisplay dpy, EGLConfig config, EGLCon
text share_context, const EGLint* attrib_list); | |
| 65 typedef EGLBoolean (*DestroyContextProc)(EGLDisplay dpy, EGLContext ctx); | |
| 66 typedef EGLBoolean (*MakeCurrentProc)(EGLDisplay dpy, EGLSurface draw, EGLSurfac
e read, EGLContext ctx); | |
| 67 typedef EGLBoolean (*SwapBuffersProc)(EGLDisplay dpy, EGLSurface surface); | |
| 68 typedef __eglMustCastToProperFunctionPointerType (*GetProcAddressProc)(const cha
r* procname); | |
| 69 | |
| 70 static GetDisplayProc gfGetDisplay = nullptr; | |
| 71 static InitializeProc gfInitialize = nullptr; | |
| 72 static TerminateProc gfTerminate = nullptr; | |
| 73 static ChooseConfigProc gfChooseConfig = nullptr; | |
| 74 static GetConfigAttrib gfGetConfigAttrib = nullptr; | |
| 75 static CreateWindowSurfaceProc gfCreateWindowSurface = nullptr; | |
| 76 static CreatePbufferSurfaceProc gfCreatePbufferSurface = nullptr; | |
| 77 static DestroySurfaceProc gfDestroySurface = nullptr; | |
| 78 static CreateContextProc gfCreateContext = nullptr; | |
| 79 static DestroyContextProc gfDestroyContext = nullptr; | |
| 80 static MakeCurrentProc gfMakeCurrent = nullptr; | |
| 81 static SwapBuffersProc gfSwapBuffers = nullptr; | |
| 82 static GetProcAddressProc gfGetProcAddress = nullptr; | |
| 83 | |
| 84 static void* gLibrary = nullptr; | |
| 85 static bool gfFunctionsLoadedSuccessfully = false; | |
| 86 | |
| 87 namespace { | |
| 88 static void load_command_buffer_functions() { | |
| 89 if (!gLibrary) { | |
| 90 #if defined _WIN32 | |
| 91 gLibrary = DynamicLoadLibrary("command_buffer_gles2.dll"); | |
| 92 #elif defined SK_BUILD_FOR_MAC | |
| 93 gLibrary = DynamicLoadLibrary("libcommand_buffer_gles2.dylib"); | |
| 94 #else | |
| 95 gLibrary = DynamicLoadLibrary("libcommand_buffer_gles2.so"); | |
| 96 #endif // defined _WIN32 | |
| 97 if (gLibrary) { | |
| 98 gfGetDisplay = (GetDisplayProc)GetProcedureAddress(gLibrary, "eglGet
Display"); | |
| 99 gfInitialize = (InitializeProc)GetProcedureAddress(gLibrary, "eglIni
tialize"); | |
| 100 gfTerminate = (TerminateProc)GetProcedureAddress(gLibrary, "eglTermi
nate"); | |
| 101 gfChooseConfig = (ChooseConfigProc)GetProcedureAddress(gLibrary, "eg
lChooseConfig"); | |
| 102 gfGetConfigAttrib = (GetConfigAttrib)GetProcedureAddress(gLibrary, "
eglGetConfigAttrib"); | |
| 103 gfCreateWindowSurface = (CreateWindowSurfaceProc)GetProcedureAddress
(gLibrary, "eglCreateWindowSurface"); | |
| 104 gfCreatePbufferSurface = (CreatePbufferSurfaceProc)GetProcedureAddre
ss(gLibrary, "eglCreatePbufferSurface"); | |
| 105 gfDestroySurface = (DestroySurfaceProc)GetProcedureAddress(gLibrary,
"eglDestroySurface"); | |
| 106 gfCreateContext = (CreateContextProc)GetProcedureAddress(gLibrary, "
eglCreateContext"); | |
| 107 gfDestroyContext = (DestroyContextProc)GetProcedureAddress(gLibrary,
"eglDestroyContext"); | |
| 108 gfMakeCurrent = (MakeCurrentProc)GetProcedureAddress(gLibrary, "eglM
akeCurrent"); | |
| 109 gfSwapBuffers = (SwapBuffersProc)GetProcedureAddress(gLibrary, "eglS
wapBuffers"); | |
| 110 gfGetProcAddress = (GetProcAddressProc)GetProcedureAddress(gLibrary,
"eglGetProcAddress"); | |
| 111 | |
| 112 gfFunctionsLoadedSuccessfully = gfGetDisplay && gfInitialize && gfTe
rminate && | |
| 113 gfChooseConfig && gfCreateWindowSurf
ace && | |
| 114 gfCreatePbufferSurface && gfDestroyS
urface && | |
| 115 gfCreateContext && gfDestroyContext
&& gfMakeCurrent && | |
| 116 gfSwapBuffers && gfGetProcAddress; | |
| 117 | |
| 118 } | |
| 119 } | |
| 120 } | |
| 121 | |
| 122 static GrGLFuncPtr command_buffer_get_gl_proc(void* ctx, const char name[]) { | |
| 123 if (!gfFunctionsLoadedSuccessfully) { | |
| 124 return nullptr; | |
| 125 } | |
| 126 return gfGetProcAddress(name); | |
| 127 } | |
| 128 | |
| 129 SK_DECLARE_STATIC_ONCE(loadCommandBufferOnce); | |
| 130 static void load_command_buffer_once() { | |
| 131 SkOnce(&loadCommandBufferOnce, load_command_buffer_functions); | |
| 132 } | |
| 133 | |
| 134 static const GrGLInterface* create_command_buffer_interface() { | |
| 135 load_command_buffer_once(); | |
| 136 if (!gfFunctionsLoadedSuccessfully) { | |
| 137 return nullptr; | |
| 138 } | |
| 139 return GrGLAssembleGLESInterface(gLibrary, command_buffer_get_gl_proc); | |
| 140 } | |
| 141 | |
| 142 } // anonymous namespace | |
| 143 | |
| 144 namespace sk_gpu_test { | |
| 145 | |
| 146 CommandBufferGLContext::CommandBufferGLContext() | |
| 147 : fContext(EGL_NO_CONTEXT), fDisplay(EGL_NO_DISPLAY), fSurface(EGL_NO_SURFAC
E) { | |
| 148 | |
| 149 static const EGLint configAttribs[] = { | |
| 150 EGL_SURFACE_TYPE, EGL_PBUFFER_BIT, | |
| 151 EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT, | |
| 152 EGL_RED_SIZE, 8, | |
| 153 EGL_GREEN_SIZE, 8, | |
| 154 EGL_BLUE_SIZE, 8, | |
| 155 EGL_ALPHA_SIZE, 8, | |
| 156 EGL_NONE | |
| 157 }; | |
| 158 | |
| 159 static const EGLint surfaceAttribs[] = { | |
| 160 EGL_WIDTH, 1, | |
| 161 EGL_HEIGHT, 1, | |
| 162 EGL_NONE | |
| 163 }; | |
| 164 | |
| 165 initializeGLContext(nullptr, configAttribs, surfaceAttribs); | |
| 166 } | |
| 167 | |
| 168 CommandBufferGLContext::CommandBufferGLContext(void *nativeWindow, int msaaSampl
eCount) { | |
| 169 static const EGLint surfaceAttribs[] = {EGL_NONE}; | |
| 170 | |
| 171 EGLint configAttribs[] = { | |
| 172 EGL_RED_SIZE, 8, | |
| 173 EGL_GREEN_SIZE, 8, | |
| 174 EGL_BLUE_SIZE, 8, | |
| 175 EGL_ALPHA_SIZE, 8, | |
| 176 EGL_DEPTH_SIZE, 8, | |
| 177 EGL_STENCIL_SIZE, 8, | |
| 178 EGL_SAMPLE_BUFFERS, 1, | |
| 179 EGL_SAMPLES, msaaSampleCount, | |
| 180 EGL_NONE | |
| 181 }; | |
| 182 if (msaaSampleCount == 0) { | |
| 183 configAttribs[12] = EGL_NONE; | |
| 184 } | |
| 185 | |
| 186 initializeGLContext(nativeWindow, configAttribs, surfaceAttribs); | |
| 187 } | |
| 188 | |
| 189 void CommandBufferGLContext::initializeGLContext(void *nativeWindow, const int *
configAttribs, | |
| 190 const int *surfaceAttribs) { | |
| 191 load_command_buffer_once(); | |
| 192 if (!gfFunctionsLoadedSuccessfully) { | |
| 193 SkDebugf("Command Buffer: Could not load EGL functions.\n"); | |
| 194 return; | |
| 195 } | |
| 196 | |
| 197 // Make sure CHROMIUM_path_rendering is enabled for NVPR support. | |
| 198 sk_setenv("CHROME_COMMAND_BUFFER_GLES2_ARGS", "--enable-gl-path-rendering"); | |
| 199 fDisplay = gfGetDisplay(EGL_DEFAULT_DISPLAY); | |
| 200 if (EGL_NO_DISPLAY == fDisplay) { | |
| 201 SkDebugf("Command Buffer: Could not create EGL display.\n"); | |
| 202 return; | |
| 203 } | |
| 204 | |
| 205 EGLint majorVersion; | |
| 206 EGLint minorVersion; | |
| 207 if (!gfInitialize(fDisplay, &majorVersion, &minorVersion)) { | |
| 208 SkDebugf("Command Buffer: Could not initialize EGL display.\n"); | |
| 209 this->destroyGLContext(); | |
| 210 return; | |
| 211 } | |
| 212 | |
| 213 EGLint numConfigs; | |
| 214 if (!gfChooseConfig(fDisplay, configAttribs, static_cast<EGLConfig *>(&fConf
ig), 1, | |
| 215 &numConfigs) || numConfigs != 1) { | |
| 216 SkDebugf("Command Buffer: Could not choose EGL config.\n"); | |
| 217 this->destroyGLContext(); | |
| 218 return; | |
| 219 } | |
| 220 | |
| 221 if (nativeWindow) { | |
| 222 fSurface = gfCreateWindowSurface(fDisplay, | |
| 223 static_cast<EGLConfig>(fConfig), | |
| 224 (EGLNativeWindowType) nativeWindow, | |
| 225 surfaceAttribs); | |
| 226 } else { | |
| 227 fSurface = gfCreatePbufferSurface(fDisplay, | |
| 228 static_cast<EGLConfig>(fConfig), | |
| 229 surfaceAttribs); | |
| 230 } | |
| 231 if (EGL_NO_SURFACE == fSurface) { | |
| 232 SkDebugf("Command Buffer: Could not create EGL surface.\n"); | |
| 233 this->destroyGLContext(); | |
| 234 return; | |
| 235 } | |
| 236 | |
| 237 static const EGLint contextAttribs[] = { | |
| 238 EGL_CONTEXT_CLIENT_VERSION, 2, | |
| 239 EGL_NONE | |
| 240 }; | |
| 241 fContext = gfCreateContext(fDisplay, static_cast<EGLConfig>(fConfig), nullpt
r, contextAttribs); | |
| 242 if (EGL_NO_CONTEXT == fContext) { | |
| 243 SkDebugf("Command Buffer: Could not create EGL context.\n"); | |
| 244 this->destroyGLContext(); | |
| 245 return; | |
| 246 } | |
| 247 | |
| 248 if (!gfMakeCurrent(fDisplay, fSurface, fSurface, fContext)) { | |
| 249 SkDebugf("Command Buffer: Could not make EGL context current.\n"); | |
| 250 this->destroyGLContext(); | |
| 251 return; | |
| 252 } | |
| 253 | |
| 254 SkAutoTUnref<const GrGLInterface> gl(create_command_buffer_interface()); | |
| 255 if (nullptr == gl.get()) { | |
| 256 SkDebugf("Command Buffer: Could not create CommandBuffer GL interface.\n
"); | |
| 257 this->destroyGLContext(); | |
| 258 return; | |
| 259 } | |
| 260 if (!gl->validate()) { | |
| 261 SkDebugf("Command Buffer: Could not validate CommandBuffer GL interface.
\n"); | |
| 262 this->destroyGLContext(); | |
| 263 return; | |
| 264 } | |
| 265 | |
| 266 this->init(gl.release()); | |
| 267 } | |
| 268 | |
| 269 CommandBufferGLContext::~CommandBufferGLContext() { | |
| 270 this->teardown(); | |
| 271 this->destroyGLContext(); | |
| 272 } | |
| 273 | |
| 274 void CommandBufferGLContext::destroyGLContext() { | |
| 275 if (!gfFunctionsLoadedSuccessfully) { | |
| 276 return; | |
| 277 } | |
| 278 if (fDisplay) { | |
| 279 gfMakeCurrent(fDisplay, 0, 0, 0); | |
| 280 | |
| 281 if (fContext) { | |
| 282 gfDestroyContext(fDisplay, fContext); | |
| 283 fContext = EGL_NO_CONTEXT; | |
| 284 } | |
| 285 | |
| 286 if (fSurface) { | |
| 287 gfDestroySurface(fDisplay, fSurface); | |
| 288 fSurface = EGL_NO_SURFACE; | |
| 289 } | |
| 290 | |
| 291 gfTerminate(fDisplay); | |
| 292 fDisplay = EGL_NO_DISPLAY; | |
| 293 } | |
| 294 } | |
| 295 | |
| 296 void CommandBufferGLContext::onPlatformMakeCurrent() const { | |
| 297 if (!gfFunctionsLoadedSuccessfully) { | |
| 298 return; | |
| 299 } | |
| 300 if (!gfMakeCurrent(fDisplay, fSurface, fSurface, fContext)) { | |
| 301 SkDebugf("Command Buffer: Could not make EGL context current.\n"); | |
| 302 } | |
| 303 } | |
| 304 | |
| 305 void CommandBufferGLContext::onPlatformSwapBuffers() const { | |
| 306 if (!gfFunctionsLoadedSuccessfully) { | |
| 307 return; | |
| 308 } | |
| 309 if (!gfSwapBuffers(fDisplay, fSurface)) { | |
| 310 SkDebugf("Command Buffer: Could not complete gfSwapBuffers.\n"); | |
| 311 } | |
| 312 } | |
| 313 | |
| 314 GrGLFuncPtr CommandBufferGLContext::onPlatformGetProcAddress(const char *name) c
onst { | |
| 315 if (!gfFunctionsLoadedSuccessfully) { | |
| 316 return nullptr; | |
| 317 } | |
| 318 return gfGetProcAddress(name); | |
| 319 } | |
| 320 | |
| 321 void CommandBufferGLContext::presentCommandBuffer() { | |
| 322 if (this->gl()) { | |
| 323 this->gl()->fFunctions.fFlush(); | |
| 324 } | |
| 325 | |
| 326 this->onPlatformSwapBuffers(); | |
| 327 } | |
| 328 | |
| 329 bool CommandBufferGLContext::makeCurrent() { | |
| 330 return gfMakeCurrent(fDisplay, fSurface, fSurface, fContext) != EGL_FALSE; | |
| 331 } | |
| 332 | |
| 333 int CommandBufferGLContext::getStencilBits() { | |
| 334 EGLint result = 0; | |
| 335 gfGetConfigAttrib(fDisplay, static_cast<EGLConfig>(fConfig), EGL_STENCIL_SIZ
E, &result); | |
| 336 return result; | |
| 337 } | |
| 338 | |
| 339 int CommandBufferGLContext::getSampleCount() { | |
| 340 EGLint result = 0; | |
| 341 gfGetConfigAttrib(fDisplay, static_cast<EGLConfig>(fConfig), EGL_SAMPLES, &r
esult); | |
| 342 return result; | |
| 343 } | |
| 344 | |
| 345 } // namespace sk_gpu_test | |
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Chromium Code Reviews
Issue 1849463002:
rename sk_gpu_test::GLContext to sk_gpu_test::GLTestContext (Closed)
Base URL: https://chromium.googlesource.com/skia.git@move