tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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WebGLShader.h (1908B)

      1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
      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 #ifndef WEBGL_SHADER_H_
      7 #define WEBGL_SHADER_H_
      8 
      9 #include <memory>
     10 #include <string>
     11 #include <vector>
     12 
     13 #include "GLDefs.h"
     14 #include "WebGLObjectModel.h"
     15 #include "mozilla/MemoryReporting.h"
     16 
     17 namespace mozilla {
     18 
     19 namespace webgl {
     20 class ShaderValidatorResults;
     21 }  // namespace webgl
     22 
     23 class WebGLShader final : public WebGLContextBoundObject {
     24  friend class WebGLContext;
     25  friend class WebGLProgram;
     26 
     27  MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(WebGLShader, override)
     28 
     29 public:
     30  WebGLShader(WebGLContext* webgl, GLenum type);
     31 
     32 protected:
     33  ~WebGLShader() override;
     34 
     35 public:
     36  // GL funcs
     37  void CompileShader();
     38  void ShaderSource(const std::string& source);
     39 
     40  // Util funcs
     41  size_t CalcNumSamplerUniforms() const;
     42  size_t NumAttributes() const;
     43 
     44  const auto& CompileResults() const { return mCompileResults; }
     45  const auto& CompileLog() const { return mCompilationLog; }
     46  bool IsCompiled() const { return mCompilationSuccessful; }
     47 
     48 private:
     49  void BindAttribLocation(GLuint prog, const std::string& userName,
     50                          GLuint index) const;
     51  void MapTransformFeedbackVaryings(
     52      const std::vector<std::string>& varyings,
     53      std::vector<std::string>* out_mappedVaryings) const;
     54 
     55 public:
     56  // Other funcs
     57  size_t SizeOfIncludingThis(mozilla::MallocSizeOf mallocSizeOf) const;
     58 
     59 public:
     60  const GLuint mGLName;
     61  const GLenum mType;
     62 
     63 protected:
     64  std::string mSource;
     65 
     66  std::unique_ptr<const webgl::ShaderValidatorResults>
     67      mCompileResults;  // Never null.
     68  bool mCompilationSuccessful = false;
     69  std::string mCompilationLog;
     70 };
     71 
     72 }  // namespace mozilla
     73 
     74 #endif  // WEBGL_SHADER_H_