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-rw-r--r--dom/canvas/WebGLShader.h76
1 files changed, 76 insertions, 0 deletions
diff --git a/dom/canvas/WebGLShader.h b/dom/canvas/WebGLShader.h
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef WEBGL_SHADER_H_
+#define WEBGL_SHADER_H_
+
+#include <map>
+#include <memory>
+#include <string>
+#include <vector>
+
+#include "GLDefs.h"
+#include "mozilla/MemoryReporting.h"
+
+#include "WebGLObjectModel.h"
+
+namespace mozilla {
+
+namespace webgl {
+class ShaderValidatorResults;
+} // namespace webgl
+
+class WebGLShader final : public WebGLContextBoundObject {
+ friend class WebGLContext;
+ friend class WebGLProgram;
+
+ MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(WebGLShader, override)
+
+ public:
+ WebGLShader(WebGLContext* webgl, GLenum type);
+
+ protected:
+ ~WebGLShader() override;
+
+ public:
+ // GL funcs
+ void CompileShader();
+ void ShaderSource(const std::string& source);
+
+ // Util funcs
+ size_t CalcNumSamplerUniforms() const;
+ size_t NumAttributes() const;
+
+ const auto& CompileResults() const { return mCompileResults; }
+ const auto& CompileLog() const { return mCompilationLog; }
+ bool IsCompiled() const { return mCompilationSuccessful; }
+
+ private:
+ void BindAttribLocation(GLuint prog, const std::string& userName,
+ GLuint index) const;
+ void MapTransformFeedbackVaryings(
+ const std::vector<std::string>& varyings,
+ std::vector<std::string>* out_mappedVaryings) const;
+
+ public:
+ // Other funcs
+ size_t SizeOfIncludingThis(mozilla::MallocSizeOf mallocSizeOf) const;
+
+ public:
+ const GLuint mGLName;
+ const GLenum mType;
+
+ protected:
+ std::string mSource;
+
+ std::unique_ptr<const webgl::ShaderValidatorResults>
+ mCompileResults; // Never null.
+ bool mCompilationSuccessful = false;
+ std::string mCompilationLog;
+};
+
+} // namespace mozilla
+
+#endif // WEBGL_SHADER_H_