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| 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #if defined(ENABLE_GPU) | |
| 6 | |
| 7 #include "chrome/renderer/webgraphicscontext3d_command_buffer_impl.h" | |
| 8 | |
| 9 #include <GLES2/gl2.h> | |
| 10 #ifndef GL_GLEXT_PROTOTYPES | |
| 11 #define GL_GLEXT_PROTOTYPES 1 | |
| 12 #endif | |
| 13 #include <GLES2/gl2ext.h> | |
| 14 | |
| 15 #include <algorithm> | |
| 16 | |
| 17 #include "base/string_tokenizer.h" | |
| 18 #include "base/command_line.h" | |
| 19 #include "base/logging.h" | |
| 20 #include "base/metrics/histogram.h" | |
| 21 #include "chrome/common/chrome_switches.h" | |
| 22 #include "chrome/renderer/gpu_channel_host.h" | |
| 23 #include "chrome/renderer/render_thread.h" | |
| 24 #include "chrome/renderer/render_view.h" | |
| 25 #include "third_party/WebKit/Source/WebKit/chromium/public/WebView.h" | |
| 26 | |
| 27 WebGraphicsContext3DCommandBufferImpl::WebGraphicsContext3DCommandBufferImpl() | |
| 28 : context_(NULL), | |
| 29 web_view_(NULL), | |
| 30 #if defined(OS_MACOSX) | |
| 31 plugin_handle_(NULL), | |
| 32 #endif // defined(OS_MACOSX) | |
| 33 context_lost_callback_(0), | |
| 34 cached_width_(0), | |
| 35 cached_height_(0), | |
| 36 bound_fbo_(0) { | |
| 37 } | |
| 38 | |
| 39 WebGraphicsContext3DCommandBufferImpl:: | |
| 40 ~WebGraphicsContext3DCommandBufferImpl() { | |
| 41 if (context_) { | |
| 42 ggl::DestroyContext(context_); | |
| 43 } | |
| 44 } | |
| 45 | |
| 46 static const char* kWebGraphicsContext3DPerferredGLExtensions = | |
| 47 "GL_OES_packed_depth_stencil " | |
| 48 "GL_OES_depth24 " | |
| 49 "GL_CHROMIUM_webglsl"; | |
| 50 | |
| 51 bool WebGraphicsContext3DCommandBufferImpl::initialize( | |
| 52 WebGraphicsContext3D::Attributes attributes, | |
| 53 WebKit::WebView* web_view, | |
| 54 bool render_directly_to_web_view) { | |
| 55 RenderThread* render_thread = RenderThread::current(); | |
| 56 if (!render_thread) | |
| 57 return false; | |
| 58 GpuChannelHost* host = render_thread->EstablishGpuChannelSync(); | |
| 59 if (!host) | |
| 60 return false; | |
| 61 DCHECK(host->state() == GpuChannelHost::kConnected); | |
| 62 | |
| 63 // Convert WebGL context creation attributes into GGL/EGL size requests. | |
| 64 const int alpha_size = attributes.alpha ? 8 : 0; | |
| 65 const int depth_size = attributes.depth ? 24 : 0; | |
| 66 const int stencil_size = attributes.stencil ? 8 : 0; | |
| 67 const int samples = attributes.antialias ? 4 : 0; | |
| 68 const int sample_buffers = attributes.antialias ? 1 : 0; | |
| 69 const int32 attribs[] = { | |
| 70 ggl::GGL_ALPHA_SIZE, alpha_size, | |
| 71 ggl::GGL_DEPTH_SIZE, depth_size, | |
| 72 ggl::GGL_STENCIL_SIZE, stencil_size, | |
| 73 ggl::GGL_SAMPLES, samples, | |
| 74 ggl::GGL_SAMPLE_BUFFERS, sample_buffers, | |
| 75 ggl::GGL_NONE, | |
| 76 }; | |
| 77 | |
| 78 GPUInfo gpu_info = host->gpu_info(); | |
| 79 UMA_HISTOGRAM_ENUMERATION( | |
| 80 "GPU.WebGraphicsContext3D_Init_CanLoseContext", | |
| 81 attributes.canRecoverFromContextLoss * 2 + gpu_info.can_lose_context, | |
| 82 4); | |
| 83 if (attributes.canRecoverFromContextLoss == false) { | |
| 84 if (gpu_info.can_lose_context) | |
| 85 return false; | |
| 86 } | |
| 87 | |
| 88 if (render_directly_to_web_view) { | |
| 89 RenderView* renderview = RenderView::FromWebView(web_view); | |
| 90 if (!renderview) | |
| 91 return false; | |
| 92 | |
| 93 web_view_ = web_view; | |
| 94 context_ = ggl::CreateViewContext( | |
| 95 host, | |
| 96 renderview->routing_id(), | |
| 97 kWebGraphicsContext3DPerferredGLExtensions, | |
| 98 attribs); | |
| 99 if (context_) { | |
| 100 ggl::SetSwapBuffersCallback( | |
| 101 context_, | |
| 102 NewCallback(this, | |
| 103 &WebGraphicsContext3DCommandBufferImpl::OnSwapBuffers)); | |
| 104 } | |
| 105 } else { | |
| 106 bool compositing_enabled = !CommandLine::ForCurrentProcess()->HasSwitch( | |
| 107 switches::kDisableAcceleratedCompositing); | |
| 108 ggl::Context* parent_context = NULL; | |
| 109 // If GPU compositing is enabled we need to create a GL context that shares | |
| 110 // resources with the compositor's context. | |
| 111 if (compositing_enabled) { | |
| 112 // Asking for the WebGraphicsContext3D on the WebView will force one to | |
| 113 // be created if it doesn't already exist. When the compositor is created | |
| 114 // for the view it will use the same context. | |
| 115 WebKit::WebGraphicsContext3D* view_context = | |
| 116 web_view->graphicsContext3D(); | |
| 117 if (view_context) { | |
| 118 WebGraphicsContext3DCommandBufferImpl* context_impl = | |
| 119 static_cast<WebGraphicsContext3DCommandBufferImpl*>(view_context); | |
| 120 parent_context = context_impl->context_; | |
| 121 } | |
| 122 } | |
| 123 context_ = ggl::CreateOffscreenContext( | |
| 124 host, | |
| 125 parent_context, | |
| 126 gfx::Size(1, 1), | |
| 127 kWebGraphicsContext3DPerferredGLExtensions, | |
| 128 attribs); | |
| 129 web_view_ = NULL; | |
| 130 } | |
| 131 if (!context_) | |
| 132 return false; | |
| 133 | |
| 134 ggl::SetContextLostCallback( | |
| 135 context_, | |
| 136 NewCallback(this, | |
| 137 &WebGraphicsContext3DCommandBufferImpl::OnContextLost)); | |
| 138 | |
| 139 // TODO(gman): Remove this. | |
| 140 const CommandLine& command_line = *CommandLine::ForCurrentProcess(); | |
| 141 if (command_line.HasSwitch(switches::kDisableGLSLTranslator)) { | |
| 142 DisableShaderTranslation(context_); | |
| 143 } | |
| 144 | |
| 145 // Set attributes_ from created offscreen context. | |
| 146 { | |
| 147 attributes_ = attributes; | |
| 148 GLint alpha_bits = 0; | |
| 149 getIntegerv(GL_ALPHA_BITS, &alpha_bits); | |
| 150 attributes_.alpha = alpha_bits > 0; | |
| 151 GLint depth_bits = 0; | |
| 152 getIntegerv(GL_DEPTH_BITS, &depth_bits); | |
| 153 attributes_.depth = depth_bits > 0; | |
| 154 GLint stencil_bits = 0; | |
| 155 getIntegerv(GL_STENCIL_BITS, &stencil_bits); | |
| 156 attributes_.stencil = stencil_bits > 0; | |
| 157 GLint samples = 0; | |
| 158 getIntegerv(GL_SAMPLES, &samples); | |
| 159 attributes_.antialias = samples > 0; | |
| 160 } | |
| 161 | |
| 162 return true; | |
| 163 } | |
| 164 | |
| 165 bool WebGraphicsContext3DCommandBufferImpl::makeContextCurrent() { | |
| 166 return ggl::MakeCurrent(context_); | |
| 167 } | |
| 168 | |
| 169 int WebGraphicsContext3DCommandBufferImpl::width() { | |
| 170 return cached_width_; | |
| 171 } | |
| 172 | |
| 173 int WebGraphicsContext3DCommandBufferImpl::height() { | |
| 174 return cached_height_; | |
| 175 } | |
| 176 | |
| 177 bool WebGraphicsContext3DCommandBufferImpl::isGLES2Compliant() { | |
| 178 return true; | |
| 179 } | |
| 180 | |
| 181 WebGLId WebGraphicsContext3DCommandBufferImpl::getPlatformTextureId() { | |
| 182 DCHECK(context_); | |
| 183 return ggl::GetParentTextureId(context_); | |
| 184 } | |
| 185 | |
| 186 void WebGraphicsContext3DCommandBufferImpl::prepareTexture() { | |
| 187 // Copies the contents of the off-screen render target into the texture | |
| 188 // used by the compositor. | |
| 189 ggl::SwapBuffers(context_); | |
| 190 } | |
| 191 | |
| 192 void WebGraphicsContext3DCommandBufferImpl::reshape(int width, int height) { | |
| 193 cached_width_ = width; | |
| 194 cached_height_ = height; | |
| 195 makeContextCurrent(); | |
| 196 | |
| 197 if (web_view_) { | |
| 198 #if defined(OS_MACOSX) | |
| 199 ggl::ResizeOnscreenContext(context_, gfx::Size(width, height)); | |
| 200 #else | |
| 201 glResizeCHROMIUM(width, height); | |
| 202 #endif | |
| 203 } else { | |
| 204 ggl::ResizeOffscreenContext(context_, gfx::Size(width, height)); | |
| 205 // Force a SwapBuffers to get the framebuffer to resize. | |
| 206 ggl::SwapBuffers(context_); | |
| 207 } | |
| 208 | |
| 209 #ifdef FLIP_FRAMEBUFFER_VERTICALLY | |
| 210 scanline_.reset(new uint8[width * 4]); | |
| 211 #endif // FLIP_FRAMEBUFFER_VERTICALLY | |
| 212 } | |
| 213 | |
| 214 WebGLId WebGraphicsContext3DCommandBufferImpl::createCompositorTexture( | |
| 215 WGC3Dsizei width, WGC3Dsizei height) { | |
| 216 makeContextCurrent(); | |
| 217 return ggl::CreateParentTexture(context_, gfx::Size(width, height)); | |
| 218 } | |
| 219 | |
| 220 void WebGraphicsContext3DCommandBufferImpl::deleteCompositorTexture( | |
| 221 WebGLId parent_texture) { | |
| 222 makeContextCurrent(); | |
| 223 ggl::DeleteParentTexture(context_, parent_texture); | |
| 224 } | |
| 225 | |
| 226 #ifdef FLIP_FRAMEBUFFER_VERTICALLY | |
| 227 void WebGraphicsContext3DCommandBufferImpl::FlipVertically( | |
| 228 uint8* framebuffer, | |
| 229 unsigned int width, | |
| 230 unsigned int height) { | |
| 231 uint8* scanline = scanline_.get(); | |
| 232 if (!scanline) | |
| 233 return; | |
| 234 unsigned int row_bytes = width * 4; | |
| 235 unsigned int count = height / 2; | |
| 236 for (unsigned int i = 0; i < count; i++) { | |
| 237 uint8* row_a = framebuffer + i * row_bytes; | |
| 238 uint8* row_b = framebuffer + (height - i - 1) * row_bytes; | |
| 239 // TODO(kbr): this is where the multiplication of the alpha | |
| 240 // channel into the color buffer will need to occur if the | |
| 241 // user specifies the "premultiplyAlpha" flag in the context | |
| 242 // creation attributes. | |
| 243 memcpy(scanline, row_b, row_bytes); | |
| 244 memcpy(row_b, row_a, row_bytes); | |
| 245 memcpy(row_a, scanline, row_bytes); | |
| 246 } | |
| 247 } | |
| 248 #endif | |
| 249 | |
| 250 bool WebGraphicsContext3DCommandBufferImpl::readBackFramebuffer( | |
| 251 unsigned char* pixels, | |
| 252 size_t buffer_size) { | |
| 253 if (buffer_size != static_cast<size_t>(4 * width() * height())) { | |
| 254 return false; | |
| 255 } | |
| 256 | |
| 257 makeContextCurrent(); | |
| 258 | |
| 259 // Earlier versions of this code used the GPU to flip the | |
| 260 // framebuffer vertically before reading it back for compositing | |
| 261 // via software. This code was quite complicated, used a lot of | |
| 262 // GPU memory, and didn't provide an obvious speedup. Since this | |
| 263 // vertical flip is only a temporary solution anyway until Chrome | |
| 264 // is fully GPU composited, it wasn't worth the complexity. | |
| 265 | |
| 266 bool mustRestoreFBO = (bound_fbo_ != 0); | |
| 267 if (mustRestoreFBO) { | |
| 268 glBindFramebuffer(GL_FRAMEBUFFER, 0); | |
| 269 } | |
| 270 glReadPixels(0, 0, cached_width_, cached_height_, | |
| 271 GL_RGBA, GL_UNSIGNED_BYTE, pixels); | |
| 272 | |
| 273 // Swizzle red and blue channels | |
| 274 // TODO(kbr): expose GL_BGRA as extension | |
| 275 for (size_t i = 0; i < buffer_size; i += 4) { | |
| 276 std::swap(pixels[i], pixels[i + 2]); | |
| 277 } | |
| 278 | |
| 279 if (mustRestoreFBO) { | |
| 280 glBindFramebuffer(GL_FRAMEBUFFER, bound_fbo_); | |
| 281 } | |
| 282 | |
| 283 #ifdef FLIP_FRAMEBUFFER_VERTICALLY | |
| 284 if (pixels) { | |
| 285 FlipVertically(pixels, cached_width_, cached_height_); | |
| 286 } | |
| 287 #endif | |
| 288 | |
| 289 return true; | |
| 290 } | |
| 291 | |
| 292 void WebGraphicsContext3DCommandBufferImpl::synthesizeGLError( | |
| 293 WGC3Denum error) { | |
| 294 if (find(synthetic_errors_.begin(), synthetic_errors_.end(), error) == | |
| 295 synthetic_errors_.end()) { | |
| 296 synthetic_errors_.push_back(error); | |
| 297 } | |
| 298 } | |
| 299 | |
| 300 void* WebGraphicsContext3DCommandBufferImpl::mapBufferSubDataCHROMIUM( | |
| 301 WGC3Denum target, | |
| 302 WGC3Dintptr offset, | |
| 303 WGC3Dsizeiptr size, | |
| 304 WGC3Denum access) { | |
| 305 return glMapBufferSubDataCHROMIUM(target, offset, size, access); | |
| 306 } | |
| 307 | |
| 308 void WebGraphicsContext3DCommandBufferImpl::unmapBufferSubDataCHROMIUM( | |
| 309 const void* mem) { | |
| 310 return glUnmapBufferSubDataCHROMIUM(mem); | |
| 311 } | |
| 312 | |
| 313 void* WebGraphicsContext3DCommandBufferImpl::mapTexSubImage2DCHROMIUM( | |
| 314 WGC3Denum target, | |
| 315 WGC3Dint level, | |
| 316 WGC3Dint xoffset, | |
| 317 WGC3Dint yoffset, | |
| 318 WGC3Dsizei width, | |
| 319 WGC3Dsizei height, | |
| 320 WGC3Denum format, | |
| 321 WGC3Denum type, | |
| 322 WGC3Denum access) { | |
| 323 return glMapTexSubImage2DCHROMIUM( | |
| 324 target, level, xoffset, yoffset, width, height, format, type, access); | |
| 325 } | |
| 326 | |
| 327 void WebGraphicsContext3DCommandBufferImpl::unmapTexSubImage2DCHROMIUM( | |
| 328 const void* mem) { | |
| 329 glUnmapTexSubImage2DCHROMIUM(mem); | |
| 330 } | |
| 331 | |
| 332 void WebGraphicsContext3DCommandBufferImpl::copyTextureToParentTextureCHROMIUM( | |
| 333 WebGLId texture, WebGLId parentTexture) { | |
| 334 copyTextureToCompositor(texture, parentTexture); | |
| 335 } | |
| 336 | |
| 337 WebKit::WebString WebGraphicsContext3DCommandBufferImpl:: | |
| 338 getRequestableExtensionsCHROMIUM() { | |
| 339 return WebKit::WebString::fromUTF8(glGetRequestableExtensionsCHROMIUM()); | |
| 340 } | |
| 341 | |
| 342 void WebGraphicsContext3DCommandBufferImpl::requestExtensionCHROMIUM( | |
| 343 const char* extension) { | |
| 344 glRequestExtensionCHROMIUM(extension); | |
| 345 } | |
| 346 | |
| 347 void WebGraphicsContext3DCommandBufferImpl::blitFramebufferCHROMIUM( | |
| 348 WGC3Dint srcX0, WGC3Dint srcY0, WGC3Dint srcX1, WGC3Dint srcY1, | |
| 349 WGC3Dint dstX0, WGC3Dint dstY0, WGC3Dint dstX1, WGC3Dint dstY1, | |
| 350 WGC3Dbitfield mask, WGC3Denum filter) { | |
| 351 glBlitFramebufferEXT(srcX0, srcY0, srcX1, srcY1, | |
| 352 dstX0, dstY0, dstX1, dstY1, | |
| 353 mask, filter); | |
| 354 } | |
| 355 | |
| 356 void WebGraphicsContext3DCommandBufferImpl:: | |
| 357 renderbufferStorageMultisampleCHROMIUM( | |
| 358 WGC3Denum target, WGC3Dsizei samples, WGC3Denum internalformat, | |
| 359 WGC3Dsizei width, WGC3Dsizei height) { | |
| 360 glRenderbufferStorageMultisampleEXT(target, samples, internalformat, | |
| 361 width, height); | |
| 362 } | |
| 363 | |
| 364 // Helper macros to reduce the amount of code. | |
| 365 | |
| 366 #define DELEGATE_TO_GL(name, glname) \ | |
| 367 void WebGraphicsContext3DCommandBufferImpl::name() { \ | |
| 368 makeContextCurrent(); \ | |
| 369 gl##glname(); \ | |
| 370 } | |
| 371 | |
| 372 #define DELEGATE_TO_GL_1(name, glname, t1) \ | |
| 373 void WebGraphicsContext3DCommandBufferImpl::name(t1 a1) { \ | |
| 374 makeContextCurrent(); \ | |
| 375 gl##glname(a1); \ | |
| 376 } | |
| 377 | |
| 378 #define DELEGATE_TO_GL_1R(name, glname, t1, rt) \ | |
| 379 rt WebGraphicsContext3DCommandBufferImpl::name(t1 a1) { \ | |
| 380 makeContextCurrent(); \ | |
| 381 return gl##glname(a1); \ | |
| 382 } | |
| 383 | |
| 384 #define DELEGATE_TO_GL_1RB(name, glname, t1, rt) \ | |
| 385 rt WebGraphicsContext3DCommandBufferImpl::name(t1 a1) { \ | |
| 386 makeContextCurrent(); \ | |
| 387 return gl##glname(a1) ? true : false; \ | |
| 388 } | |
| 389 | |
| 390 #define DELEGATE_TO_GL_2(name, glname, t1, t2) \ | |
| 391 void WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2) { \ | |
| 392 makeContextCurrent(); \ | |
| 393 gl##glname(a1, a2); \ | |
| 394 } | |
| 395 | |
| 396 #define DELEGATE_TO_GL_2R(name, glname, t1, t2, rt) \ | |
| 397 rt WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2) { \ | |
| 398 makeContextCurrent(); \ | |
| 399 return gl##glname(a1, a2); \ | |
| 400 } | |
| 401 | |
| 402 #define DELEGATE_TO_GL_3(name, glname, t1, t2, t3) \ | |
| 403 void WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2, t3 a3) { \ | |
| 404 makeContextCurrent(); \ | |
| 405 gl##glname(a1, a2, a3); \ | |
| 406 } | |
| 407 | |
| 408 #define DELEGATE_TO_GL_4(name, glname, t1, t2, t3, t4) \ | |
| 409 void WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2, t3 a3, t4 a4) { \ | |
| 410 makeContextCurrent(); \ | |
| 411 gl##glname(a1, a2, a3, a4); \ | |
| 412 } | |
| 413 | |
| 414 #define DELEGATE_TO_GL_5(name, glname, t1, t2, t3, t4, t5) \ | |
| 415 void WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2, t3 a3, \ | |
| 416 t4 a4, t5 a5) { \ | |
| 417 makeContextCurrent(); \ | |
| 418 gl##glname(a1, a2, a3, a4, a5); \ | |
| 419 } | |
| 420 | |
| 421 #define DELEGATE_TO_GL_6(name, glname, t1, t2, t3, t4, t5, t6) \ | |
| 422 void WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2, t3 a3, \ | |
| 423 t4 a4, t5 a5, t6 a6) { \ | |
| 424 makeContextCurrent(); \ | |
| 425 gl##glname(a1, a2, a3, a4, a5, a6); \ | |
| 426 } | |
| 427 | |
| 428 #define DELEGATE_TO_GL_7(name, glname, t1, t2, t3, t4, t5, t6, t7) \ | |
| 429 void WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2, t3 a3, \ | |
| 430 t4 a4, t5 a5, t6 a6, t7 a7) { \ | |
| 431 makeContextCurrent(); \ | |
| 432 gl##glname(a1, a2, a3, a4, a5, a6, a7); \ | |
| 433 } | |
| 434 | |
| 435 #define DELEGATE_TO_GL_8(name, glname, t1, t2, t3, t4, t5, t6, t7, t8) \ | |
| 436 void WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2, t3 a3, \ | |
| 437 t4 a4, t5 a5, t6 a6, \ | |
| 438 t7 a7, t8 a8) { \ | |
| 439 makeContextCurrent(); \ | |
| 440 gl##glname(a1, a2, a3, a4, a5, a6, a7, a8); \ | |
| 441 } | |
| 442 | |
| 443 #define DELEGATE_TO_GL_9(name, glname, t1, t2, t3, t4, t5, t6, t7, t8, t9) \ | |
| 444 void WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2, t3 a3, \ | |
| 445 t4 a4, t5 a5, t6 a6, \ | |
| 446 t7 a7, t8 a8, t9 a9) { \ | |
| 447 makeContextCurrent(); \ | |
| 448 gl##glname(a1, a2, a3, a4, a5, a6, a7, a8, a9); \ | |
| 449 } | |
| 450 | |
| 451 DELEGATE_TO_GL_1(activeTexture, ActiveTexture, WGC3Denum) | |
| 452 | |
| 453 DELEGATE_TO_GL_2(attachShader, AttachShader, WebGLId, WebGLId) | |
| 454 | |
| 455 DELEGATE_TO_GL_3(bindAttribLocation, BindAttribLocation, WebGLId, | |
| 456 WGC3Duint, const WGC3Dchar*) | |
| 457 | |
| 458 DELEGATE_TO_GL_2(bindBuffer, BindBuffer, WGC3Denum, WebGLId) | |
| 459 | |
| 460 void WebGraphicsContext3DCommandBufferImpl::bindFramebuffer( | |
| 461 WGC3Denum target, | |
| 462 WebGLId framebuffer) { | |
| 463 makeContextCurrent(); | |
| 464 glBindFramebuffer(target, framebuffer); | |
| 465 bound_fbo_ = framebuffer; | |
| 466 } | |
| 467 | |
| 468 DELEGATE_TO_GL_2(bindRenderbuffer, BindRenderbuffer, WGC3Denum, WebGLId) | |
| 469 | |
| 470 DELEGATE_TO_GL_2(bindTexture, BindTexture, WGC3Denum, WebGLId) | |
| 471 | |
| 472 DELEGATE_TO_GL_4(blendColor, BlendColor, | |
| 473 WGC3Dclampf, WGC3Dclampf, WGC3Dclampf, WGC3Dclampf) | |
| 474 | |
| 475 DELEGATE_TO_GL_1(blendEquation, BlendEquation, WGC3Denum) | |
| 476 | |
| 477 DELEGATE_TO_GL_2(blendEquationSeparate, BlendEquationSeparate, | |
| 478 WGC3Denum, WGC3Denum) | |
| 479 | |
| 480 DELEGATE_TO_GL_2(blendFunc, BlendFunc, WGC3Denum, WGC3Denum) | |
| 481 | |
| 482 DELEGATE_TO_GL_4(blendFuncSeparate, BlendFuncSeparate, | |
| 483 WGC3Denum, WGC3Denum, WGC3Denum, WGC3Denum) | |
| 484 | |
| 485 DELEGATE_TO_GL_4(bufferData, BufferData, | |
| 486 WGC3Denum, WGC3Dsizeiptr, const void*, WGC3Denum) | |
| 487 | |
| 488 DELEGATE_TO_GL_4(bufferSubData, BufferSubData, | |
| 489 WGC3Denum, WGC3Dintptr, WGC3Dsizeiptr, const void*) | |
| 490 | |
| 491 DELEGATE_TO_GL_1R(checkFramebufferStatus, CheckFramebufferStatus, | |
| 492 WGC3Denum, WGC3Denum) | |
| 493 | |
| 494 DELEGATE_TO_GL_1(clear, Clear, WGC3Dbitfield) | |
| 495 | |
| 496 DELEGATE_TO_GL_4(clearColor, ClearColor, | |
| 497 WGC3Dclampf, WGC3Dclampf, WGC3Dclampf, WGC3Dclampf) | |
| 498 | |
| 499 DELEGATE_TO_GL_1(clearDepth, ClearDepthf, WGC3Dclampf) | |
| 500 | |
| 501 DELEGATE_TO_GL_1(clearStencil, ClearStencil, WGC3Dint) | |
| 502 | |
| 503 DELEGATE_TO_GL_4(colorMask, ColorMask, | |
| 504 WGC3Dboolean, WGC3Dboolean, WGC3Dboolean, WGC3Dboolean) | |
| 505 | |
| 506 DELEGATE_TO_GL_1(compileShader, CompileShader, WebGLId) | |
| 507 | |
| 508 DELEGATE_TO_GL_8(copyTexImage2D, CopyTexImage2D, | |
| 509 WGC3Denum, WGC3Dint, WGC3Denum, WGC3Dint, WGC3Dint, | |
| 510 WGC3Dsizei, WGC3Dsizei, WGC3Dint) | |
| 511 | |
| 512 DELEGATE_TO_GL_8(copyTexSubImage2D, CopyTexSubImage2D, | |
| 513 WGC3Denum, WGC3Dint, WGC3Dint, WGC3Dint, WGC3Dint, WGC3Dint, | |
| 514 WGC3Dsizei, WGC3Dsizei) | |
| 515 | |
| 516 DELEGATE_TO_GL_1(cullFace, CullFace, WGC3Denum) | |
| 517 | |
| 518 DELEGATE_TO_GL_1(depthFunc, DepthFunc, WGC3Denum) | |
| 519 | |
| 520 DELEGATE_TO_GL_1(depthMask, DepthMask, WGC3Dboolean) | |
| 521 | |
| 522 DELEGATE_TO_GL_2(depthRange, DepthRangef, WGC3Dclampf, WGC3Dclampf) | |
| 523 | |
| 524 DELEGATE_TO_GL_2(detachShader, DetachShader, WebGLId, WebGLId) | |
| 525 | |
| 526 DELEGATE_TO_GL_1(disable, Disable, WGC3Denum) | |
| 527 | |
| 528 DELEGATE_TO_GL_1(disableVertexAttribArray, DisableVertexAttribArray, | |
| 529 WGC3Duint) | |
| 530 | |
| 531 DELEGATE_TO_GL_3(drawArrays, DrawArrays, WGC3Denum, WGC3Dint, WGC3Dsizei) | |
| 532 | |
| 533 void WebGraphicsContext3DCommandBufferImpl::drawElements(WGC3Denum mode, | |
| 534 WGC3Dsizei count, | |
| 535 WGC3Denum type, | |
| 536 WGC3Dintptr offset) { | |
| 537 makeContextCurrent(); | |
| 538 glDrawElements(mode, count, type, | |
| 539 reinterpret_cast<void*>(static_cast<intptr_t>(offset))); | |
| 540 } | |
| 541 | |
| 542 DELEGATE_TO_GL_1(enable, Enable, WGC3Denum) | |
| 543 | |
| 544 DELEGATE_TO_GL_1(enableVertexAttribArray, EnableVertexAttribArray, | |
| 545 WGC3Duint) | |
| 546 | |
| 547 DELEGATE_TO_GL(finish, Finish) | |
| 548 | |
| 549 DELEGATE_TO_GL(flush, Flush) | |
| 550 | |
| 551 DELEGATE_TO_GL_4(framebufferRenderbuffer, FramebufferRenderbuffer, | |
| 552 WGC3Denum, WGC3Denum, WGC3Denum, WebGLId) | |
| 553 | |
| 554 DELEGATE_TO_GL_5(framebufferTexture2D, FramebufferTexture2D, | |
| 555 WGC3Denum, WGC3Denum, WGC3Denum, WebGLId, WGC3Dint) | |
| 556 | |
| 557 DELEGATE_TO_GL_1(frontFace, FrontFace, WGC3Denum) | |
| 558 | |
| 559 DELEGATE_TO_GL_1(generateMipmap, GenerateMipmap, WGC3Denum) | |
| 560 | |
| 561 bool WebGraphicsContext3DCommandBufferImpl::getActiveAttrib( | |
| 562 WebGLId program, WGC3Duint index, ActiveInfo& info) { | |
| 563 makeContextCurrent(); | |
| 564 if (!program) { | |
| 565 synthesizeGLError(GL_INVALID_VALUE); | |
| 566 return false; | |
| 567 } | |
| 568 GLint max_name_length = -1; | |
| 569 glGetProgramiv(program, GL_ACTIVE_ATTRIBUTE_MAX_LENGTH, &max_name_length); | |
| 570 if (max_name_length < 0) | |
| 571 return false; | |
| 572 scoped_array<GLchar> name(new GLchar[max_name_length]); | |
| 573 if (!name.get()) { | |
| 574 synthesizeGLError(GL_OUT_OF_MEMORY); | |
| 575 return false; | |
| 576 } | |
| 577 GLsizei length = 0; | |
| 578 GLint size = -1; | |
| 579 GLenum type = 0; | |
| 580 glGetActiveAttrib(program, index, max_name_length, | |
| 581 &length, &size, &type, name.get()); | |
| 582 if (size < 0) { | |
| 583 return false; | |
| 584 } | |
| 585 info.name = WebKit::WebString::fromUTF8(name.get(), length); | |
| 586 info.type = type; | |
| 587 info.size = size; | |
| 588 return true; | |
| 589 } | |
| 590 | |
| 591 bool WebGraphicsContext3DCommandBufferImpl::getActiveUniform( | |
| 592 WebGLId program, WGC3Duint index, ActiveInfo& info) { | |
| 593 makeContextCurrent(); | |
| 594 GLint max_name_length = -1; | |
| 595 glGetProgramiv(program, GL_ACTIVE_UNIFORM_MAX_LENGTH, &max_name_length); | |
| 596 if (max_name_length < 0) | |
| 597 return false; | |
| 598 scoped_array<GLchar> name(new GLchar[max_name_length]); | |
| 599 if (!name.get()) { | |
| 600 synthesizeGLError(GL_OUT_OF_MEMORY); | |
| 601 return false; | |
| 602 } | |
| 603 GLsizei length = 0; | |
| 604 GLint size = -1; | |
| 605 GLenum type = 0; | |
| 606 glGetActiveUniform(program, index, max_name_length, | |
| 607 &length, &size, &type, name.get()); | |
| 608 if (size < 0) { | |
| 609 return false; | |
| 610 } | |
| 611 info.name = WebKit::WebString::fromUTF8(name.get(), length); | |
| 612 info.type = type; | |
| 613 info.size = size; | |
| 614 return true; | |
| 615 } | |
| 616 | |
| 617 DELEGATE_TO_GL_4(getAttachedShaders, GetAttachedShaders, | |
| 618 WebGLId, WGC3Dsizei, WGC3Dsizei*, WebGLId*) | |
| 619 | |
| 620 DELEGATE_TO_GL_2R(getAttribLocation, GetAttribLocation, | |
| 621 WebGLId, const WGC3Dchar*, WGC3Dint) | |
| 622 | |
| 623 DELEGATE_TO_GL_2(getBooleanv, GetBooleanv, WGC3Denum, WGC3Dboolean*) | |
| 624 | |
| 625 DELEGATE_TO_GL_3(getBufferParameteriv, GetBufferParameteriv, | |
| 626 WGC3Denum, WGC3Denum, WGC3Dint*) | |
| 627 | |
| 628 WebKit::WebGraphicsContext3D::Attributes | |
| 629 WebGraphicsContext3DCommandBufferImpl::getContextAttributes() { | |
| 630 return attributes_; | |
| 631 } | |
| 632 | |
| 633 WGC3Denum WebGraphicsContext3DCommandBufferImpl::getError() { | |
| 634 if (!synthetic_errors_.empty()) { | |
| 635 std::vector<WGC3Denum>::iterator iter = synthetic_errors_.begin(); | |
| 636 WGC3Denum err = *iter; | |
| 637 synthetic_errors_.erase(iter); | |
| 638 return err; | |
| 639 } | |
| 640 | |
| 641 makeContextCurrent(); | |
| 642 return glGetError(); | |
| 643 } | |
| 644 | |
| 645 bool WebGraphicsContext3DCommandBufferImpl::isContextLost() { | |
| 646 return ggl::IsCommandBufferContextLost(context_); | |
| 647 } | |
| 648 | |
| 649 DELEGATE_TO_GL_2(getFloatv, GetFloatv, WGC3Denum, WGC3Dfloat*) | |
| 650 | |
| 651 DELEGATE_TO_GL_4(getFramebufferAttachmentParameteriv, | |
| 652 GetFramebufferAttachmentParameteriv, | |
| 653 WGC3Denum, WGC3Denum, WGC3Denum, WGC3Dint*) | |
| 654 | |
| 655 DELEGATE_TO_GL_2(getIntegerv, GetIntegerv, WGC3Denum, WGC3Dint*) | |
| 656 | |
| 657 DELEGATE_TO_GL_3(getProgramiv, GetProgramiv, WebGLId, WGC3Denum, WGC3Dint*) | |
| 658 | |
| 659 WebKit::WebString WebGraphicsContext3DCommandBufferImpl::getProgramInfoLog( | |
| 660 WebGLId program) { | |
| 661 makeContextCurrent(); | |
| 662 GLint logLength = 0; | |
| 663 glGetProgramiv(program, GL_INFO_LOG_LENGTH, &logLength); | |
| 664 if (!logLength) | |
| 665 return WebKit::WebString(); | |
| 666 scoped_array<GLchar> log(new GLchar[logLength]); | |
| 667 if (!log.get()) | |
| 668 return WebKit::WebString(); | |
| 669 GLsizei returnedLogLength = 0; | |
| 670 glGetProgramInfoLog(program, logLength, &returnedLogLength, log.get()); | |
| 671 DCHECK_EQ(logLength, returnedLogLength + 1); | |
| 672 WebKit::WebString res = | |
| 673 WebKit::WebString::fromUTF8(log.get(), returnedLogLength); | |
| 674 return res; | |
| 675 } | |
| 676 | |
| 677 DELEGATE_TO_GL_3(getRenderbufferParameteriv, GetRenderbufferParameteriv, | |
| 678 WGC3Denum, WGC3Denum, WGC3Dint*) | |
| 679 | |
| 680 DELEGATE_TO_GL_3(getShaderiv, GetShaderiv, WebGLId, WGC3Denum, WGC3Dint*) | |
| 681 | |
| 682 WebKit::WebString WebGraphicsContext3DCommandBufferImpl::getShaderInfoLog( | |
| 683 WebGLId shader) { | |
| 684 makeContextCurrent(); | |
| 685 GLint logLength = 0; | |
| 686 glGetShaderiv(shader, GL_INFO_LOG_LENGTH, &logLength); | |
| 687 if (!logLength) | |
| 688 return WebKit::WebString(); | |
| 689 scoped_array<GLchar> log(new GLchar[logLength]); | |
| 690 if (!log.get()) | |
| 691 return WebKit::WebString(); | |
| 692 GLsizei returnedLogLength = 0; | |
| 693 glGetShaderInfoLog(shader, logLength, &returnedLogLength, log.get()); | |
| 694 DCHECK_EQ(logLength, returnedLogLength + 1); | |
| 695 WebKit::WebString res = | |
| 696 WebKit::WebString::fromUTF8(log.get(), returnedLogLength); | |
| 697 return res; | |
| 698 } | |
| 699 | |
| 700 WebKit::WebString WebGraphicsContext3DCommandBufferImpl::getShaderSource( | |
| 701 WebGLId shader) { | |
| 702 makeContextCurrent(); | |
| 703 GLint logLength = 0; | |
| 704 glGetShaderiv(shader, GL_SHADER_SOURCE_LENGTH, &logLength); | |
| 705 if (!logLength) | |
| 706 return WebKit::WebString(); | |
| 707 scoped_array<GLchar> log(new GLchar[logLength]); | |
| 708 if (!log.get()) | |
| 709 return WebKit::WebString(); | |
| 710 GLsizei returnedLogLength = 0; | |
| 711 glGetShaderSource(shader, logLength, &returnedLogLength, log.get()); | |
| 712 DCHECK_EQ(logLength, returnedLogLength + 1); | |
| 713 WebKit::WebString res = | |
| 714 WebKit::WebString::fromUTF8(log.get(), returnedLogLength); | |
| 715 return res; | |
| 716 } | |
| 717 | |
| 718 WebKit::WebString WebGraphicsContext3DCommandBufferImpl::getString( | |
| 719 WGC3Denum name) { | |
| 720 makeContextCurrent(); | |
| 721 return WebKit::WebString::fromUTF8( | |
| 722 reinterpret_cast<const char*>(glGetString(name))); | |
| 723 } | |
| 724 | |
| 725 DELEGATE_TO_GL_3(getTexParameterfv, GetTexParameterfv, | |
| 726 WGC3Denum, WGC3Denum, WGC3Dfloat*) | |
| 727 | |
| 728 DELEGATE_TO_GL_3(getTexParameteriv, GetTexParameteriv, | |
| 729 WGC3Denum, WGC3Denum, WGC3Dint*) | |
| 730 | |
| 731 DELEGATE_TO_GL_3(getUniformfv, GetUniformfv, WebGLId, WGC3Dint, WGC3Dfloat*) | |
| 732 | |
| 733 DELEGATE_TO_GL_3(getUniformiv, GetUniformiv, WebGLId, WGC3Dint, WGC3Dint*) | |
| 734 | |
| 735 DELEGATE_TO_GL_2R(getUniformLocation, GetUniformLocation, | |
| 736 WebGLId, const WGC3Dchar*, WGC3Dint) | |
| 737 | |
| 738 DELEGATE_TO_GL_3(getVertexAttribfv, GetVertexAttribfv, | |
| 739 WGC3Duint, WGC3Denum, WGC3Dfloat*) | |
| 740 | |
| 741 DELEGATE_TO_GL_3(getVertexAttribiv, GetVertexAttribiv, | |
| 742 WGC3Duint, WGC3Denum, WGC3Dint*) | |
| 743 | |
| 744 WGC3Dsizeiptr WebGraphicsContext3DCommandBufferImpl::getVertexAttribOffset( | |
| 745 WGC3Duint index, WGC3Denum pname) { | |
| 746 makeContextCurrent(); | |
| 747 GLvoid* value = NULL; | |
| 748 // NOTE: If pname is ever a value that returns more then 1 element | |
| 749 // this will corrupt memory. | |
| 750 glGetVertexAttribPointerv(index, pname, &value); | |
| 751 return static_cast<WGC3Dsizeiptr>(reinterpret_cast<intptr_t>(value)); | |
| 752 } | |
| 753 | |
| 754 DELEGATE_TO_GL_2(hint, Hint, WGC3Denum, WGC3Denum) | |
| 755 | |
| 756 DELEGATE_TO_GL_1RB(isBuffer, IsBuffer, WebGLId, WGC3Dboolean) | |
| 757 | |
| 758 DELEGATE_TO_GL_1RB(isEnabled, IsEnabled, WGC3Denum, WGC3Dboolean) | |
| 759 | |
| 760 DELEGATE_TO_GL_1RB(isFramebuffer, IsFramebuffer, WebGLId, WGC3Dboolean) | |
| 761 | |
| 762 DELEGATE_TO_GL_1RB(isProgram, IsProgram, WebGLId, WGC3Dboolean) | |
| 763 | |
| 764 DELEGATE_TO_GL_1RB(isRenderbuffer, IsRenderbuffer, WebGLId, WGC3Dboolean) | |
| 765 | |
| 766 DELEGATE_TO_GL_1RB(isShader, IsShader, WebGLId, WGC3Dboolean) | |
| 767 | |
| 768 DELEGATE_TO_GL_1RB(isTexture, IsTexture, WebGLId, WGC3Dboolean) | |
| 769 | |
| 770 DELEGATE_TO_GL_1(lineWidth, LineWidth, WGC3Dfloat) | |
| 771 | |
| 772 DELEGATE_TO_GL_1(linkProgram, LinkProgram, WebGLId) | |
| 773 | |
| 774 DELEGATE_TO_GL_2(pixelStorei, PixelStorei, WGC3Denum, WGC3Dint) | |
| 775 | |
| 776 DELEGATE_TO_GL_2(polygonOffset, PolygonOffset, WGC3Dfloat, WGC3Dfloat) | |
| 777 | |
| 778 DELEGATE_TO_GL_7(readPixels, ReadPixels, | |
| 779 WGC3Dint, WGC3Dint, WGC3Dsizei, WGC3Dsizei, WGC3Denum, | |
| 780 WGC3Denum, void*) | |
| 781 | |
| 782 void WebGraphicsContext3DCommandBufferImpl::releaseShaderCompiler() { | |
| 783 } | |
| 784 | |
| 785 DELEGATE_TO_GL_4(renderbufferStorage, RenderbufferStorage, | |
| 786 WGC3Denum, WGC3Denum, WGC3Dsizei, WGC3Dsizei) | |
| 787 | |
| 788 DELEGATE_TO_GL_2(sampleCoverage, SampleCoverage, WGC3Dfloat, WGC3Dboolean) | |
| 789 | |
| 790 DELEGATE_TO_GL_4(scissor, Scissor, WGC3Dint, WGC3Dint, WGC3Dsizei, WGC3Dsizei) | |
| 791 | |
| 792 void WebGraphicsContext3DCommandBufferImpl::shaderSource( | |
| 793 WebGLId shader, const WGC3Dchar* string) { | |
| 794 makeContextCurrent(); | |
| 795 GLint length = strlen(string); | |
| 796 glShaderSource(shader, 1, &string, &length); | |
| 797 } | |
| 798 | |
| 799 DELEGATE_TO_GL_3(stencilFunc, StencilFunc, WGC3Denum, WGC3Dint, WGC3Duint) | |
| 800 | |
| 801 DELEGATE_TO_GL_4(stencilFuncSeparate, StencilFuncSeparate, | |
| 802 WGC3Denum, WGC3Denum, WGC3Dint, WGC3Duint) | |
| 803 | |
| 804 DELEGATE_TO_GL_1(stencilMask, StencilMask, WGC3Duint) | |
| 805 | |
| 806 DELEGATE_TO_GL_2(stencilMaskSeparate, StencilMaskSeparate, | |
| 807 WGC3Denum, WGC3Duint) | |
| 808 | |
| 809 DELEGATE_TO_GL_3(stencilOp, StencilOp, | |
| 810 WGC3Denum, WGC3Denum, WGC3Denum) | |
| 811 | |
| 812 DELEGATE_TO_GL_4(stencilOpSeparate, StencilOpSeparate, | |
| 813 WGC3Denum, WGC3Denum, WGC3Denum, WGC3Denum) | |
| 814 | |
| 815 DELEGATE_TO_GL_9(texImage2D, TexImage2D, | |
| 816 WGC3Denum, WGC3Dint, WGC3Denum, WGC3Dsizei, WGC3Dsizei, | |
| 817 WGC3Dint, WGC3Denum, WGC3Denum, const void*) | |
| 818 | |
| 819 DELEGATE_TO_GL_3(texParameterf, TexParameterf, | |
| 820 WGC3Denum, WGC3Denum, WGC3Dfloat); | |
| 821 | |
| 822 static const unsigned int kTextureWrapR = 0x8072; | |
| 823 | |
| 824 void WebGraphicsContext3DCommandBufferImpl::texParameteri( | |
| 825 WGC3Denum target, WGC3Denum pname, WGC3Dint param) { | |
| 826 // TODO(kbr): figure out whether the setting of TEXTURE_WRAP_R in | |
| 827 // GraphicsContext3D.cpp is strictly necessary to avoid seams at the | |
| 828 // edge of cube maps, and, if it is, push it into the GLES2 service | |
| 829 // side code. | |
| 830 if (pname == kTextureWrapR) { | |
| 831 return; | |
| 832 } | |
| 833 makeContextCurrent(); | |
| 834 glTexParameteri(target, pname, param); | |
| 835 } | |
| 836 | |
| 837 DELEGATE_TO_GL_9(texSubImage2D, TexSubImage2D, | |
| 838 WGC3Denum, WGC3Dint, WGC3Dint, WGC3Dint, WGC3Dsizei, | |
| 839 WGC3Dsizei, WGC3Denum, WGC3Denum, const void*) | |
| 840 | |
| 841 DELEGATE_TO_GL_2(uniform1f, Uniform1f, WGC3Dint, WGC3Dfloat) | |
| 842 | |
| 843 DELEGATE_TO_GL_3(uniform1fv, Uniform1fv, WGC3Dint, WGC3Dsizei, | |
| 844 const WGC3Dfloat*) | |
| 845 | |
| 846 DELEGATE_TO_GL_2(uniform1i, Uniform1i, WGC3Dint, WGC3Dint) | |
| 847 | |
| 848 DELEGATE_TO_GL_3(uniform1iv, Uniform1iv, WGC3Dint, WGC3Dsizei, const WGC3Dint*) | |
| 849 | |
| 850 DELEGATE_TO_GL_3(uniform2f, Uniform2f, WGC3Dint, WGC3Dfloat, WGC3Dfloat) | |
| 851 | |
| 852 DELEGATE_TO_GL_3(uniform2fv, Uniform2fv, WGC3Dint, WGC3Dsizei, | |
| 853 const WGC3Dfloat*) | |
| 854 | |
| 855 DELEGATE_TO_GL_3(uniform2i, Uniform2i, WGC3Dint, WGC3Dint, WGC3Dint) | |
| 856 | |
| 857 DELEGATE_TO_GL_3(uniform2iv, Uniform2iv, WGC3Dint, WGC3Dsizei, const WGC3Dint*) | |
| 858 | |
| 859 DELEGATE_TO_GL_4(uniform3f, Uniform3f, WGC3Dint, | |
| 860 WGC3Dfloat, WGC3Dfloat, WGC3Dfloat) | |
| 861 | |
| 862 DELEGATE_TO_GL_3(uniform3fv, Uniform3fv, WGC3Dint, WGC3Dsizei, | |
| 863 const WGC3Dfloat*) | |
| 864 | |
| 865 DELEGATE_TO_GL_4(uniform3i, Uniform3i, WGC3Dint, WGC3Dint, WGC3Dint, WGC3Dint) | |
| 866 | |
| 867 DELEGATE_TO_GL_3(uniform3iv, Uniform3iv, WGC3Dint, WGC3Dsizei, const WGC3Dint*) | |
| 868 | |
| 869 DELEGATE_TO_GL_5(uniform4f, Uniform4f, WGC3Dint, | |
| 870 WGC3Dfloat, WGC3Dfloat, WGC3Dfloat, WGC3Dfloat) | |
| 871 | |
| 872 DELEGATE_TO_GL_3(uniform4fv, Uniform4fv, WGC3Dint, WGC3Dsizei, | |
| 873 const WGC3Dfloat*) | |
| 874 | |
| 875 DELEGATE_TO_GL_5(uniform4i, Uniform4i, WGC3Dint, | |
| 876 WGC3Dint, WGC3Dint, WGC3Dint, WGC3Dint) | |
| 877 | |
| 878 DELEGATE_TO_GL_3(uniform4iv, Uniform4iv, WGC3Dint, WGC3Dsizei, const WGC3Dint*) | |
| 879 | |
| 880 DELEGATE_TO_GL_4(uniformMatrix2fv, UniformMatrix2fv, | |
| 881 WGC3Dint, WGC3Dsizei, WGC3Dboolean, const WGC3Dfloat*) | |
| 882 | |
| 883 DELEGATE_TO_GL_4(uniformMatrix3fv, UniformMatrix3fv, | |
| 884 WGC3Dint, WGC3Dsizei, WGC3Dboolean, const WGC3Dfloat*) | |
| 885 | |
| 886 DELEGATE_TO_GL_4(uniformMatrix4fv, UniformMatrix4fv, | |
| 887 WGC3Dint, WGC3Dsizei, WGC3Dboolean, const WGC3Dfloat*) | |
| 888 | |
| 889 DELEGATE_TO_GL_1(useProgram, UseProgram, WebGLId) | |
| 890 | |
| 891 DELEGATE_TO_GL_1(validateProgram, ValidateProgram, WebGLId) | |
| 892 | |
| 893 DELEGATE_TO_GL_2(vertexAttrib1f, VertexAttrib1f, WGC3Duint, WGC3Dfloat) | |
| 894 | |
| 895 DELEGATE_TO_GL_2(vertexAttrib1fv, VertexAttrib1fv, WGC3Duint, | |
| 896 const WGC3Dfloat*) | |
| 897 | |
| 898 DELEGATE_TO_GL_3(vertexAttrib2f, VertexAttrib2f, WGC3Duint, | |
| 899 WGC3Dfloat, WGC3Dfloat) | |
| 900 | |
| 901 DELEGATE_TO_GL_2(vertexAttrib2fv, VertexAttrib2fv, WGC3Duint, | |
| 902 const WGC3Dfloat*) | |
| 903 | |
| 904 DELEGATE_TO_GL_4(vertexAttrib3f, VertexAttrib3f, WGC3Duint, | |
| 905 WGC3Dfloat, WGC3Dfloat, WGC3Dfloat) | |
| 906 | |
| 907 DELEGATE_TO_GL_2(vertexAttrib3fv, VertexAttrib3fv, WGC3Duint, | |
| 908 const WGC3Dfloat*) | |
| 909 | |
| 910 DELEGATE_TO_GL_5(vertexAttrib4f, VertexAttrib4f, WGC3Duint, | |
| 911 WGC3Dfloat, WGC3Dfloat, WGC3Dfloat, WGC3Dfloat) | |
| 912 | |
| 913 DELEGATE_TO_GL_2(vertexAttrib4fv, VertexAttrib4fv, WGC3Duint, | |
| 914 const WGC3Dfloat*) | |
| 915 | |
| 916 void WebGraphicsContext3DCommandBufferImpl::vertexAttribPointer( | |
| 917 WGC3Duint index, WGC3Dint size, WGC3Denum type, WGC3Dboolean normalized, | |
| 918 WGC3Dsizei stride, WGC3Dintptr offset) { | |
| 919 makeContextCurrent(); | |
| 920 | |
| 921 glVertexAttribPointer(index, size, type, normalized, stride, | |
| 922 reinterpret_cast<void*>( | |
| 923 static_cast<intptr_t>(offset))); | |
| 924 } | |
| 925 | |
| 926 DELEGATE_TO_GL_4(viewport, Viewport, | |
| 927 WGC3Dint, WGC3Dint, WGC3Dsizei, WGC3Dsizei) | |
| 928 | |
| 929 WebGLId WebGraphicsContext3DCommandBufferImpl::createBuffer() { | |
| 930 makeContextCurrent(); | |
| 931 GLuint o; | |
| 932 glGenBuffers(1, &o); | |
| 933 return o; | |
| 934 } | |
| 935 | |
| 936 WebGLId WebGraphicsContext3DCommandBufferImpl::createFramebuffer() { | |
| 937 makeContextCurrent(); | |
| 938 GLuint o = 0; | |
| 939 glGenFramebuffers(1, &o); | |
| 940 return o; | |
| 941 } | |
| 942 | |
| 943 WebGLId WebGraphicsContext3DCommandBufferImpl::createProgram() { | |
| 944 makeContextCurrent(); | |
| 945 return glCreateProgram(); | |
| 946 } | |
| 947 | |
| 948 WebGLId WebGraphicsContext3DCommandBufferImpl::createRenderbuffer() { | |
| 949 makeContextCurrent(); | |
| 950 GLuint o; | |
| 951 glGenRenderbuffers(1, &o); | |
| 952 return o; | |
| 953 } | |
| 954 | |
| 955 DELEGATE_TO_GL_1R(createShader, CreateShader, WGC3Denum, WebGLId); | |
| 956 | |
| 957 WebGLId WebGraphicsContext3DCommandBufferImpl::createTexture() { | |
| 958 makeContextCurrent(); | |
| 959 GLuint o; | |
| 960 glGenTextures(1, &o); | |
| 961 return o; | |
| 962 } | |
| 963 | |
| 964 void WebGraphicsContext3DCommandBufferImpl::deleteBuffer(WebGLId buffer) { | |
| 965 makeContextCurrent(); | |
| 966 glDeleteBuffers(1, &buffer); | |
| 967 } | |
| 968 | |
| 969 void WebGraphicsContext3DCommandBufferImpl::deleteFramebuffer( | |
| 970 WebGLId framebuffer) { | |
| 971 makeContextCurrent(); | |
| 972 glDeleteFramebuffers(1, &framebuffer); | |
| 973 } | |
| 974 | |
| 975 void WebGraphicsContext3DCommandBufferImpl::deleteProgram(WebGLId program) { | |
| 976 makeContextCurrent(); | |
| 977 glDeleteProgram(program); | |
| 978 } | |
| 979 | |
| 980 void WebGraphicsContext3DCommandBufferImpl::deleteRenderbuffer( | |
| 981 WebGLId renderbuffer) { | |
| 982 makeContextCurrent(); | |
| 983 glDeleteRenderbuffers(1, &renderbuffer); | |
| 984 } | |
| 985 | |
| 986 void WebGraphicsContext3DCommandBufferImpl::deleteShader(WebGLId shader) { | |
| 987 makeContextCurrent(); | |
| 988 glDeleteShader(shader); | |
| 989 } | |
| 990 | |
| 991 void WebGraphicsContext3DCommandBufferImpl::deleteTexture(WebGLId texture) { | |
| 992 makeContextCurrent(); | |
| 993 glDeleteTextures(1, &texture); | |
| 994 } | |
| 995 | |
| 996 void WebGraphicsContext3DCommandBufferImpl::copyTextureToCompositor( | |
| 997 WebGLId texture, WebGLId parentTexture) { | |
| 998 makeContextCurrent(); | |
| 999 glCopyTextureToParentTextureCHROMIUM(texture, parentTexture); | |
| 1000 glFlush(); | |
| 1001 } | |
| 1002 | |
| 1003 void WebGraphicsContext3DCommandBufferImpl::OnSwapBuffers() { | |
| 1004 // This may be called after tear-down of the RenderView. | |
| 1005 RenderView* renderview = | |
| 1006 web_view_ ? RenderView::FromWebView(web_view_) : NULL; | |
| 1007 if (renderview) | |
| 1008 renderview->DidFlushPaint(); | |
| 1009 } | |
| 1010 | |
| 1011 void WebGraphicsContext3DCommandBufferImpl::setContextLostCallback( | |
| 1012 WebGraphicsContext3D::WebGraphicsContextLostCallback* cb) | |
| 1013 { | |
| 1014 context_lost_callback_ = cb; | |
| 1015 } | |
| 1016 | |
| 1017 void WebGraphicsContext3DCommandBufferImpl::OnContextLost() { | |
| 1018 if (context_lost_callback_) { | |
| 1019 context_lost_callback_->onContextLost(); | |
| 1020 } | |
| 1021 } | |
| 1022 | |
| 1023 #endif // defined(ENABLE_GPU) | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 6713005:
Move a bunch of gpu/worker/plugin renderer code to content. I temporarily disabled the sad plugi... (Closed)
Base URL: svn://chrome-svn/chrome/trunk/src/