LCOV - code coverage report
Current view: top level - dom/canvas - WebGLExtensionSRGB.cpp (source / functions) Hit Total Coverage
Test: output.info Lines: 0 33 0.0 %
Date: 2017-07-14 16:53:18 Functions: 0 6 0.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /* This Source Code Form is subject to the terms of the Mozilla Public
       3             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       4             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       5             : 
       6             : #include "WebGLExtensions.h"
       7             : 
       8             : #include "GLContext.h"
       9             : #include "mozilla/dom/WebGLRenderingContextBinding.h"
      10             : #include "WebGLContext.h"
      11             : #include "WebGLFormats.h"
      12             : 
      13             : namespace mozilla {
      14             : 
      15           0 : WebGLExtensionSRGB::WebGLExtensionSRGB(WebGLContext* webgl)
      16           0 :     : WebGLExtensionBase(webgl)
      17             : {
      18           0 :     MOZ_ASSERT(IsSupported(webgl), "Don't construct extension if unsupported.");
      19             : 
      20           0 :     gl::GLContext* gl = webgl->GL();
      21           0 :     if (!gl->IsGLES()) {
      22             :         // Desktop OpenGL requires the following to be enabled in order to
      23             :         // support sRGB operations on framebuffers.
      24           0 :         gl->MakeCurrent();
      25           0 :         gl->fEnable(LOCAL_GL_FRAMEBUFFER_SRGB_EXT);
      26             :     }
      27             : 
      28           0 :     auto& fua = webgl->mFormatUsage;
      29             : 
      30           0 :     RefPtr<gl::GLContext> gl_ = gl; // Bug 1201275
      31             :     const auto fnAdd = [&fua, &gl_](webgl::EffectiveFormat effFormat, GLenum format,
      32           0 :                                     GLenum desktopUnpackFormat)
      33           0 :     {
      34           0 :         auto usage = fua->EditUsage(effFormat);
      35           0 :         usage->isFilterable = true;
      36             : 
      37           0 :         webgl::DriverUnpackInfo dui = {format, format, LOCAL_GL_UNSIGNED_BYTE};
      38           0 :         const auto pi = dui.ToPacking();
      39             : 
      40           0 :         if (!gl_->IsGLES())
      41           0 :             dui.unpackFormat = desktopUnpackFormat;
      42             : 
      43           0 :         fua->AddTexUnpack(usage, pi, dui);
      44             : 
      45           0 :         fua->AllowUnsizedTexFormat(pi, usage);
      46           0 :     };
      47             : 
      48           0 :     fnAdd(webgl::EffectiveFormat::SRGB8, LOCAL_GL_SRGB, LOCAL_GL_RGB);
      49           0 :     fnAdd(webgl::EffectiveFormat::SRGB8_ALPHA8, LOCAL_GL_SRGB_ALPHA, LOCAL_GL_RGBA);
      50             : 
      51           0 :     auto usage = fua->EditUsage(webgl::EffectiveFormat::SRGB8_ALPHA8);
      52           0 :     usage->SetRenderable();
      53           0 :     fua->AllowRBFormat(LOCAL_GL_SRGB8_ALPHA8, usage);
      54           0 : }
      55             : 
      56           0 : WebGLExtensionSRGB::~WebGLExtensionSRGB()
      57             : {
      58           0 : }
      59             : 
      60             : bool
      61           0 : WebGLExtensionSRGB::IsSupported(const WebGLContext* webgl)
      62             : {
      63           0 :     gl::GLContext* gl = webgl->GL();
      64             : 
      65           0 :     return gl->IsSupported(gl::GLFeature::sRGB_framebuffer) &&
      66           0 :            gl->IsSupported(gl::GLFeature::sRGB_texture);
      67             : }
      68             : 
      69             : 
      70           0 : IMPL_WEBGL_EXTENSION_GOOP(WebGLExtensionSRGB, EXT_sRGB)
      71             : 
      72             : } // namespace mozilla

Generated by: LCOV version 1.13