cc/debug/fake_web_graphics_context_3d.cc

   1 // Copyright 2013 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 #include "cc/debug/fake_web_graphics_context_3d.h"
   6
   7 #include "base/logging.h"
   8 #include "third_party/khronos/GLES2/gl2.h"
   9
  10 using WebKit::WGC3Dboolean;
  11 using WebKit::WGC3Denum;
  12 using WebKit::WebGLId;
  13 using WebKit::WebGraphicsContext3D;
  14
  15 namespace cc {
  16
  17 FakeWebGraphicsContext3D::FakeWebGraphicsContext3D()
  18     : WebKit::WebGraphicsContext3D() {
  19 }
  20
  21 FakeWebGraphicsContext3D::~FakeWebGraphicsContext3D() {
  22 }
  23
  24 bool FakeWebGraphicsContext3D::makeContextCurrent() {
  25   return true;
  26 }
  27
  28 int FakeWebGraphicsContext3D::width() {
  29   return 1;
  30 }
  31
  32 int FakeWebGraphicsContext3D::height() {
  33   return 1;
  34 }
  35
  36 void FakeWebGraphicsContext3D::reshape(int width, int height) {
  37 }
  38
  39 bool FakeWebGraphicsContext3D::isGLES2Compliant() {
  40   return false;
  41 }
  42
  43 bool FakeWebGraphicsContext3D::readBackFramebuffer(
  44     unsigned char* pixels,
  45     size_t buffer_size,
  46     WebGLId framebuffer,
  47     int width,
  48     int height) {
  49   return false;
  50 }
  51
  52 WebGLId FakeWebGraphicsContext3D::getPlatformTextureId() {
  53   return 0;
  54 }
  55
  56 bool FakeWebGraphicsContext3D::isContextLost() {
  57   return false;
  58 }
  59
  60 WGC3Denum FakeWebGraphicsContext3D::getGraphicsResetStatusARB() {
  61   return GL_NO_ERROR;
  62 }
  63
  64 void* FakeWebGraphicsContext3D::mapBufferSubDataCHROMIUM(
  65     WGC3Denum target,
  66     WebKit::WGC3Dintptr offset,
  67     WebKit::WGC3Dsizeiptr size,
  68     WGC3Denum access) {
  69   return 0;
  70 }
  71
  72 void* FakeWebGraphicsContext3D::mapTexSubImage2DCHROMIUM(
  73     WGC3Denum target,
  74     WebKit::WGC3Dint level,
  75     WebKit::WGC3Dint xoffset,
  76     WebKit::WGC3Dint yoffset,
  77     WebKit::WGC3Dsizei width,
  78     WebKit::WGC3Dsizei height,
  79     WGC3Denum format,
  80     WGC3Denum type,
  81     WGC3Denum access) {
  82   return 0;
  83 }
  84
  85 WebKit::WebString FakeWebGraphicsContext3D::getRequestableExtensionsCHROMIUM() {
  86   return WebKit::WebString();
  87 }
  88
  89 WGC3Denum FakeWebGraphicsContext3D::checkFramebufferStatus(
  90     WGC3Denum target) {
  91   return GL_FRAMEBUFFER_COMPLETE;
  92 }
  93
  94 bool FakeWebGraphicsContext3D::getActiveAttrib(
  95     WebGLId program,
  96     WebKit::WGC3Duint index,
  97     ActiveInfo&) {
  98   return false;
  99 }
 100
 101 bool FakeWebGraphicsContext3D::getActiveUniform(
 102     WebGLId program,
 103     WebKit::WGC3Duint index,
 104     ActiveInfo&) {
 105   return false;
 106 }
 107
 108 WebKit::WGC3Dint FakeWebGraphicsContext3D::getAttribLocation(
 109     WebGLId program,
 110     const WebKit::WGC3Dchar* name) {
 111   return 0;
 112 }
 113
 114 WebGraphicsContext3D::Attributes
 115     FakeWebGraphicsContext3D::getContextAttributes() {
 116   return WebGraphicsContext3D::Attributes();
 117 }
 118
 119 WGC3Denum FakeWebGraphicsContext3D::getError() {
 120   return 0;
 121 }
 122
 123 void FakeWebGraphicsContext3D::getIntegerv(
 124     WGC3Denum pname,
 125     WebKit::WGC3Dint* value) {
 126   if (pname == GL_MAX_TEXTURE_SIZE)
 127     *value = 1024;
 128 }
 129
 130 void FakeWebGraphicsContext3D::getProgramiv(
 131     WebGLId program,
 132     WGC3Denum pname,
 133     WebKit::WGC3Dint* value) {
 134   if (pname == GL_LINK_STATUS)
 135     *value = 1;
 136 }
 137
 138 WebKit::WebString FakeWebGraphicsContext3D::getProgramInfoLog(
 139     WebGLId program) {
 140   return WebKit::WebString();
 141 }
 142
 143 void FakeWebGraphicsContext3D::getShaderiv(
 144     WebGLId shader,
 145     WGC3Denum pname,
 146     WebKit::WGC3Dint* value) {
 147   if (pname == GL_COMPILE_STATUS)
 148     *value = 1;
 149 }
 150
 151 WebKit::WebString FakeWebGraphicsContext3D::getShaderInfoLog(
 152     WebGLId shader) {
 153   return WebKit::WebString();
 154 }
 155
 156 void FakeWebGraphicsContext3D::getShaderPrecisionFormat(
 157     WebKit::WGC3Denum shadertype,
 158     WebKit::WGC3Denum precisiontype,
 159     WebKit::WGC3Dint* range,
 160     WebKit::WGC3Dint* precision) {
 161   // Return the minimum precision requirements of the GLES specificatin.
 162   switch (precisiontype) {
 163     case GL_LOW_INT:
 164       range[0] = 8;
 165       range[1] = 8;
 166       *precision = 0;
 167       break;
 168     case GL_MEDIUM_INT:
 169       range[0] = 10;
 170       range[1] = 10;
 171       *precision = 0;
 172       break;
 173     case GL_HIGH_INT:
 174       range[0] = 16;
 175       range[1] = 16;
 176       *precision = 0;
 177       break;
 178     case GL_LOW_FLOAT:
 179       range[0] = 8;
 180       range[1] = 8;
 181       *precision = 8;
 182       break;
 183     case GL_MEDIUM_FLOAT:
 184       range[0] = 14;
 185       range[1] = 14;
 186       *precision = 10;
 187       break;
 188     case GL_HIGH_FLOAT:
 189       range[0] = 62;
 190       range[1] = 62;
 191       *precision = 16;
 192       break;
 193     default:
 194       NOTREACHED();
 195       break;
 196   }
 197 }
 198
 199 WebKit::WebString FakeWebGraphicsContext3D::getShaderSource(
 200     WebGLId shader) {
 201   return WebKit::WebString();
 202 }
 203
 204 WebKit::WebString FakeWebGraphicsContext3D::getString(WGC3Denum name) {
 205   return WebKit::WebString();
 206 }
 207
 208 WebKit::WGC3Dint FakeWebGraphicsContext3D::getUniformLocation(
 209     WebGLId program,
 210     const WebKit::WGC3Dchar* name) {
 211   return 0;
 212 }
 213
 214 WebKit::WGC3Dsizeiptr FakeWebGraphicsContext3D::getVertexAttribOffset(
 215     WebKit::WGC3Duint index,
 216     WGC3Denum pname) {
 217   return 0;
 218 }
 219
 220 WGC3Dboolean FakeWebGraphicsContext3D::isBuffer(
 221     WebGLId buffer) {
 222   return false;
 223 }
 224
 225 WGC3Dboolean FakeWebGraphicsContext3D::isEnabled(
 226     WGC3Denum cap) {
 227   return false;
 228 }
 229
 230 WGC3Dboolean FakeWebGraphicsContext3D::isFramebuffer(
 231     WebGLId framebuffer) {
 232   return false;
 233 }
 234
 235 WGC3Dboolean FakeWebGraphicsContext3D::isProgram(
 236     WebGLId program) {
 237   return false;
 238 }
 239
 240 WGC3Dboolean FakeWebGraphicsContext3D::isRenderbuffer(
 241     WebGLId renderbuffer) {
 242   return false;
 243 }
 244
 245 WGC3Dboolean FakeWebGraphicsContext3D::isShader(
 246     WebGLId shader) {
 247   return false;
 248 }
 249
 250 WGC3Dboolean FakeWebGraphicsContext3D::isTexture(
 251     WebGLId texture) {
 252   return false;
 253 }
 254
 255 WebGLId FakeWebGraphicsContext3D::createBuffer() {
 256   return 1;
 257 }
 258
 259 void FakeWebGraphicsContext3D::deleteBuffer(WebKit::WebGLId id) {
 260 }
 261
 262 WebGLId FakeWebGraphicsContext3D::createFramebuffer() {
 263   return 1;
 264 }
 265
 266 void FakeWebGraphicsContext3D::deleteFramebuffer(WebKit::WebGLId id) {
 267 }
 268
 269 WebGLId FakeWebGraphicsContext3D::createProgram() {
 270   return 1;
 271 }
 272
 273 void FakeWebGraphicsContext3D::deleteProgram(WebKit::WebGLId id) {
 274 }
 275
 276 WebGLId FakeWebGraphicsContext3D::createRenderbuffer() {
 277   return 1;
 278 }
 279
 280 void FakeWebGraphicsContext3D::deleteRenderbuffer(WebKit::WebGLId id) {
 281 }
 282
 283 WebGLId FakeWebGraphicsContext3D::createShader(WGC3Denum) {
 284   return 1;
 285 }
 286
 287 void FakeWebGraphicsContext3D::deleteShader(WebKit::WebGLId id) {
 288 }
 289
 290 WebGLId FakeWebGraphicsContext3D::createTexture() {
 291   return 1;
 292 }
 293
 294 void FakeWebGraphicsContext3D::deleteTexture(WebGLId texture_id) {
 295 }
 296
 297 void FakeWebGraphicsContext3D::attachShader(WebGLId program, WebGLId shader) {
 298 }
 299
 300 void FakeWebGraphicsContext3D::useProgram(WebGLId program) {
 301 }
 302
 303 void FakeWebGraphicsContext3D::bindBuffer(WGC3Denum target, WebGLId buffer) {
 304 }
 305
 306 void FakeWebGraphicsContext3D::bindFramebuffer(
 307     WGC3Denum target, WebGLId framebuffer) {
 308 }
 309
 310 void FakeWebGraphicsContext3D::bindRenderbuffer(
 311       WGC3Denum target, WebGLId renderbuffer) {
 312 }
 313
 314 void FakeWebGraphicsContext3D::bindTexture(
 315     WGC3Denum target, WebGLId texture_id) {
 316 }
 317
 318 WebGLId FakeWebGraphicsContext3D::createQueryEXT() {
 319   return 1;
 320 }
 321
 322 WGC3Dboolean FakeWebGraphicsContext3D::isQueryEXT(WebGLId query) {
 323   return true;
 324 }
 325
 326 void FakeWebGraphicsContext3D::endQueryEXT(WebKit::WGC3Denum target) {
 327 }
 328
 329 void FakeWebGraphicsContext3D::getQueryObjectuivEXT(
 330     WebKit::WebGLId query,
 331     WebKit::WGC3Denum pname,
 332     WebKit::WGC3Duint* params) {
 333 }
 334
 335 void FakeWebGraphicsContext3D::setContextLostCallback(
 336     WebGraphicsContextLostCallback* callback) {
 337 }
 338
 339 void FakeWebGraphicsContext3D::loseContextCHROMIUM(WGC3Denum current,
 340                                                    WGC3Denum other) {
 341 }
 342
 343 }  // namespace cc