Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

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

1 files changed, 76 insertions, 0 deletions

diff --git a/dom/canvas/WebGLShaderValidator.h b/dom/canvas/WebGLShaderValidator.h
new file mode 100644
index 0000000000..ab05528f19
--- /dev/null
+++ b/dom/canvas/WebGLShaderValidator.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_VALIDATOR_H_
+#define WEBGL_SHADER_VALIDATOR_H_
+
+#include <memory>
+#include <string>
+#include <unordered_map>
+
+#include "GLDefs.h"
+#include "GLSLANG/ShaderLang.h"
+#include "nsString.h"
+
+namespace mozilla::webgl {
+
+class ShaderValidatorResults final {
+ public:
+  std::string mInfoLog;
+  bool mValid = false;
+
+  std::string mObjectCode;
+  int mShaderVersion = 0;
+  int mVertexShaderNumViews = 0;
+
+  std::vector<sh::Attribute> mAttributes;
+  std::vector<sh::InterfaceBlock> mInterfaceBlocks;
+  std::vector<sh::OutputVariable> mOutputVariables;
+  std::vector<sh::Uniform> mUniforms;
+  std::vector<sh::Varying> mVaryings;
+
+  std::unordered_map<std::string, std::string> mNameMap;
+
+  int mMaxVaryingVectors = 0;
+
+  bool mNeeds_webgl_gl_VertexID_Offset = false;
+
+  bool CanLinkTo(const ShaderValidatorResults& vert,
+                 nsCString* const out_log) const;
+  size_t SizeOfIncludingThis(MallocSizeOf) const;
+};
+
+class ShaderValidator final {
+ public:
+  const ShHandle mHandle;
+
+ private:
+  const ShCompileOptions mCompileOptions;
+  const int mMaxVaryingVectors;
+
+ public:
+  bool mIfNeeded_webgl_gl_VertexID_Offset = false;
+
+  static std::unique_ptr<ShaderValidator> Create(
+      GLenum shaderType, ShShaderSpec spec, ShShaderOutput outputLanguage,
+      const ShBuiltInResources& resources, ShCompileOptions compileOptions);
+
+ private:
+  ShaderValidator(ShHandle handle, ShCompileOptions compileOptions,
+                  int maxVaryingVectors)
+      : mHandle(handle),
+        mCompileOptions(compileOptions),
+        mMaxVaryingVectors(maxVaryingVectors) {}
+
+ public:
+  ~ShaderValidator();
+
+  std::unique_ptr<const ShaderValidatorResults> ValidateAndTranslate(
+      const char*) const;
+};
+
+}  // namespace mozilla::webgl
+
+#endif  // WEBGL_SHADER_VALIDATOR_H_