dom/canvas/WebGLExtensionTextureFloatLinear.cpp

   1 /* This Source Code Form is subject to the terms of the Mozilla Public
   2  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
   3  * You can obtain one at http://mozilla.org/MPL/2.0/. */
   4
   5 #include "WebGLExtensions.h"
   6
   7 #include "GLContext.h"
   8 #include "mozilla/dom/WebGLRenderingContextBinding.h"
   9 #include "WebGLContext.h"
  10 #include "WebGLFormats.h"
  11
  12 namespace mozilla {
  13
  14 WebGLExtensionTextureFloatLinear::WebGLExtensionTextureFloatLinear(
  15     WebGLContext* webgl)
  16     : WebGLExtensionBase(webgl) {
  17   auto& fua = webgl->mFormatUsage;
  18
  19   fua->EditUsage(webgl::EffectiveFormat::RGBA32F)->isFilterable = true;
  20   fua->EditUsage(webgl::EffectiveFormat::RGB32F)->isFilterable = true;
  21
  22   if (webgl->IsWebGL2()) {
  23     fua->EditUsage(webgl::EffectiveFormat::R32F)->isFilterable = true;
  24     fua->EditUsage(webgl::EffectiveFormat::RG32F)->isFilterable = true;
  25   } else {
  26     fua->EditUsage(webgl::EffectiveFormat::Luminance32FAlpha32F)->isFilterable =
  27         true;
  28     fua->EditUsage(webgl::EffectiveFormat::Luminance32F)->isFilterable = true;
  29     fua->EditUsage(webgl::EffectiveFormat::Alpha32F)->isFilterable = true;
  30   }
  31 }
  32
  33 WebGLExtensionTextureFloatLinear::~WebGLExtensionTextureFloatLinear() {}
  34
  35 IMPL_WEBGL_EXTENSION_GOOP(WebGLExtensionTextureFloatLinear,
  36                           OES_texture_float_linear)
  37
  38 }  // namespace mozilla