Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 76 insertions, 0 deletions

diff --git a/dom/canvas/WebGLShader.h b/dom/canvas/WebGLShader.h
new file mode 100644
index 0000000000..e2fc17664d
--- /dev/null
+++ b/dom/canvas/WebGLShader.h
@@ -0,0 +1,76 @@
+/* -*- 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_