dom/canvas/WebGLExtensionCompressedTextureASTC.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 WebGLExtensionCompressedTextureASTC::WebGLExtensionCompressedTextureASTC(
  15     WebGLContext* webgl)
  16     : WebGLExtensionBase(webgl) {
  17   MOZ_ASSERT(IsSupported(webgl), "Don't construct extension if unsupported.");
  18
  19   RefPtr<WebGLContext> webgl_ = webgl;  // Bug 1201275
  20   const auto fnAdd = [&webgl_](GLenum sizedFormat,
  21                                webgl::EffectiveFormat effFormat) {
  22     auto& fua = webgl_->mFormatUsage;
  23
  24     auto usage = fua->EditUsage(effFormat);
  25     usage->isFilterable = true;
  26     fua->AllowSizedTexFormat(sizedFormat, usage);
  27   };
  28
  29 #define FOO(x) LOCAL_GL_##x, webgl::EffectiveFormat::x
  30
  31   fnAdd(FOO(COMPRESSED_RGBA_ASTC_4x4_KHR));
  32   fnAdd(FOO(COMPRESSED_RGBA_ASTC_5x4_KHR));
  33   fnAdd(FOO(COMPRESSED_RGBA_ASTC_5x5_KHR));
  34   fnAdd(FOO(COMPRESSED_RGBA_ASTC_6x5_KHR));
  35   fnAdd(FOO(COMPRESSED_RGBA_ASTC_6x6_KHR));
  36   fnAdd(FOO(COMPRESSED_RGBA_ASTC_8x5_KHR));
  37   fnAdd(FOO(COMPRESSED_RGBA_ASTC_8x6_KHR));
  38   fnAdd(FOO(COMPRESSED_RGBA_ASTC_8x8_KHR));
  39   fnAdd(FOO(COMPRESSED_RGBA_ASTC_10x5_KHR));
  40   fnAdd(FOO(COMPRESSED_RGBA_ASTC_10x6_KHR));
  41   fnAdd(FOO(COMPRESSED_RGBA_ASTC_10x8_KHR));
  42   fnAdd(FOO(COMPRESSED_RGBA_ASTC_10x10_KHR));
  43   fnAdd(FOO(COMPRESSED_RGBA_ASTC_12x10_KHR));
  44   fnAdd(FOO(COMPRESSED_RGBA_ASTC_12x12_KHR));
  45
  46   fnAdd(FOO(COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR));
  47   fnAdd(FOO(COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR));
  48   fnAdd(FOO(COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR));
  49   fnAdd(FOO(COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR));
  50   fnAdd(FOO(COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR));
  51   fnAdd(FOO(COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR));
  52   fnAdd(FOO(COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR));
  53   fnAdd(FOO(COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR));
  54   fnAdd(FOO(COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR));
  55   fnAdd(FOO(COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR));
  56   fnAdd(FOO(COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR));
  57   fnAdd(FOO(COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR));
  58   fnAdd(FOO(COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR));
  59   fnAdd(FOO(COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR));
  60
  61 #undef FOO
  62 }
  63
  64 bool WebGLExtensionCompressedTextureASTC::IsSupported(
  65     const WebGLContext* webgl) {
  66   gl::GLContext* gl = webgl->GL();
  67   return gl->IsExtensionSupported(
  68       gl::GLContext::KHR_texture_compression_astc_ldr);
  69 }
  70
  71 }  // namespace mozilla