1 files changed, 79 insertions, 0 deletions
diff --git a/WebCore/platform/graphics/ANGLEWebKitBridge.cpp b/WebCore/platform/graphics/ANGLEWebKitBridge.cpp
new file mode 100644
index 0000000..9a14820
--- /dev/null
+++ b/WebCore/platform/graphics/ANGLEWebKitBridge.cpp
@@ -0,0 +1,79 @@
+/*
+ * Copyright (C) 2010 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+ */
+
+#include "config.h"
+
+#if ENABLE(3D_CANVAS)
+
+#include "ANGLEWebKitBridge.h"
+
+namespace WebCore {
+
+
+ANGLEWebKitBridge::ANGLEWebKitBridge() :
+    builtCompilers(false)
+{
+    ShInitialize();
+}
+
+ANGLEWebKitBridge::~ANGLEWebKitBridge()
+{
+    if (builtCompilers) {
+        ShDestruct(m_fragmentCompiler);
+        ShDestruct(m_vertexCompiler);
+    }
+    
+    ShFinalize();
+}
+
+bool ANGLEWebKitBridge::validateShaderSource(const char* shaderSource, ANGLEShaderType shaderType, String& translatedShaderSource, String& shaderValidationLog)
+{
+    if (!builtCompilers) {
+        m_fragmentCompiler = ShConstructCompiler(EShLangFragment, EShSpecWebGL, &m_resources);
+        m_vertexCompiler = ShConstructCompiler(EShLangVertex, EShSpecWebGL, &m_resources);
+
+        builtCompilers = true;
+    }
+    
+    ShHandle compiler;
+
+    if (shaderType == SHADER_TYPE_VERTEX)
+        compiler = m_vertexCompiler;
+    else
+        compiler = m_fragmentCompiler;
+
+    const char* const shaderSourceStrings[] = { shaderSource };
+
+    bool validateSuccess = ShCompile(compiler, shaderSourceStrings, 1, EShOptNone, EDebugOpIntermediate);
+
+    translatedShaderSource = ShGetObjectCode(compiler);
+    shaderValidationLog = ShGetInfoLog(compiler);
+
+    return validateSuccess;
+}
+
+}
+
+#endif // ENABLE(3D_CANVAS)