Move ANGLEWebKitBridge to platform/graphics/angle/ANGLEPlatformBridge.

Source/core/platform/graphics/ANGLEWebKitBridge.cpp

Index: Source/core/platform/graphics/ANGLEWebKitBridge.cpp
diff --git a/Source/core/platform/graphics/ANGLEWebKitBridge.cpp b/Source/core/platform/graphics/ANGLEWebKitBridge.cpp
deleted file mode 100644
index 4b5021d13824762b3576037d2afa4b674ff3a771..0000000000000000000000000000000000000000
--- a/Source/core/platform/graphics/ANGLEWebKitBridge.cpp
+++ /dev/null
@@ -1,227 +0,0 @@
-/*
- * 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"
-
-#include "core/platform/graphics/ANGLEWebKitBridge.h"
-#include "wtf/OwnArrayPtr.h"
-
-namespace WebCore {
-
-typedef size_t ANGLEGetInfoType;
-
-inline static ANGLEGetInfoType getValidationResultValue(const ShHandle compiler, ShShaderInfo shaderInfo)
-{
-    ANGLEGetInfoType value = 0;
-    ShGetInfo(compiler, shaderInfo, &value);
-    return value;
-}
-
-static bool getSymbolInfo(ShHandle compiler, ShShaderInfo symbolType, Vector<ANGLEShaderSymbol>& symbols)
-{
-    ShShaderInfo symbolMaxNameLengthType;
-
-    switch (symbolType) {
-    case SH_ACTIVE_ATTRIBUTES:
-        symbolMaxNameLengthType = SH_ACTIVE_ATTRIBUTE_MAX_LENGTH;
-        break;
-    case SH_ACTIVE_UNIFORMS:
-        symbolMaxNameLengthType = SH_ACTIVE_UNIFORM_MAX_LENGTH;
-        break;
-    default:
-        ASSERT_NOT_REACHED();
-        return false;
-    }
-
-    ANGLEGetInfoType numSymbols = getValidationResultValue(compiler, symbolType);
-
-    ANGLEGetInfoType maxNameLength = getValidationResultValue(compiler, symbolMaxNameLengthType);
-    if (maxNameLength <= 1)
-        return false;
-
-    ANGLEGetInfoType maxMappedNameLength = getValidationResultValue(compiler, SH_MAPPED_NAME_MAX_LENGTH);
-    if (maxMappedNameLength <= 1)
-        return false;
-
-    // The maximum allowed symbol name length is 256 characters.
-    Vector<char, 256> nameBuffer(maxNameLength);
-    Vector<char, 256> mappedNameBuffer(maxMappedNameLength);
-
-    for (ANGLEGetInfoType i = 0; i < numSymbols; ++i) {
-        ANGLEShaderSymbol symbol;
-        ANGLEGetInfoType nameLength = 0;
-        switch (symbolType) {
-        case SH_ACTIVE_ATTRIBUTES:
-            symbol.symbolType = SHADER_SYMBOL_TYPE_ATTRIBUTE;
-#if ANGLE_SH_VERSION >= 112
-            ShGetVariableInfo(compiler, symbolType, i, &nameLength, &symbol.size, &symbol.dataType, &symbol.precision, &symbol.staticUse, nameBuffer.data(), mappedNameBuffer.data());
-#else
-            ShGetVariableInfo(compiler, symbolType, i, &nameLength, &symbol.size, &symbol.dataType, &symbol.precision, nameBuffer.data(), mappedNameBuffer.data());
-#endif
-            break;
-        case SH_ACTIVE_UNIFORMS:
-            symbol.symbolType = SHADER_SYMBOL_TYPE_UNIFORM;
-#if ANGLE_SH_VERSION >= 112
-            ShGetVariableInfo(compiler, symbolType, i, &nameLength, &symbol.size, &symbol.dataType, &symbol.precision, &symbol.staticUse, nameBuffer.data(), mappedNameBuffer.data());
-#else
-            ShGetVariableInfo(compiler, symbolType, i, &nameLength, &symbol.size, &symbol.dataType, &symbol.precision, nameBuffer.data(), mappedNameBuffer.data());
-#endif
-            break;
-        default:
-            ASSERT_NOT_REACHED();
-            return false;
-        }
-        if (!nameLength)
-            return false;
-
-        // The ShGetActive* calls above are guaranteed to produce null-terminated strings for
-        // nameBuffer and mappedNameBuffer. Also, the character set for symbol names
-        // is a subset of Latin-1 as specified by the OpenGL ES Shading Language, Section 3.1 and
-        // WebGL, Section "Characters Outside the GLSL Source Character Set".
-
-        String name = String(nameBuffer.data());
-        String mappedName = String(mappedNameBuffer.data());
-
-        // ANGLE returns array names in the format "array[0]".
-        // The only way to know if a symbol is an array is to check if it ends with "[0]".
-        // We can't check the size because regular symbols and arrays of length 1 both have a size of 1.
-        symbol.isArray = name.endsWith("[0]") && mappedName.endsWith("[0]");
-        if (symbol.isArray) {
-            // Add a symbol for the array name without the "[0]" suffix.
-            name.truncate(name.length() - 3);
-            mappedName.truncate(mappedName.length() - 3);
-        }
-
-        symbol.name = name;
-        symbol.mappedName = mappedName;
-        symbols.append(symbol);
-
-        if (symbol.isArray) {
-            // Add symbols for each array element.
-            symbol.isArray = false;
-            for (int i = 0; i < symbol.size; i++) {
-                String arrayBrackets = "[" + String::number(i) + "]";
-                symbol.name = name + arrayBrackets;
-                symbol.mappedName = mappedName + arrayBrackets;
-                symbols.append(symbol);
-            }
-        }
-    }
-    return true;
-}
-
-ANGLEWebKitBridge::ANGLEWebKitBridge(ShShaderOutput shaderOutput, ShShaderSpec shaderSpec)
-    : builtCompilers(false)
-    , m_fragmentCompiler(0)
-    , m_vertexCompiler(0)
-    , m_shaderOutput(shaderOutput)
-    , m_shaderSpec(shaderSpec)
-{
-    // This is a no-op if it's already initialized.
-    ShInitialize();
-}
-
-ANGLEWebKitBridge::~ANGLEWebKitBridge()
-{
-    cleanupCompilers();
-}
-
-void ANGLEWebKitBridge::cleanupCompilers()
-{
-    if (m_fragmentCompiler)
-        ShDestruct(m_fragmentCompiler);
-    m_fragmentCompiler = 0;
-    if (m_vertexCompiler)
-        ShDestruct(m_vertexCompiler);
-    m_vertexCompiler = 0;
-
-    builtCompilers = false;
-}
-
-void ANGLEWebKitBridge::setResources(ShBuiltInResources resources)
-{
-    // Resources are (possibly) changing - cleanup compilers if we had them already
-    cleanupCompilers();
-
-    m_resources = resources;
-}
-
-bool ANGLEWebKitBridge::compileShaderSource(const char* shaderSource, ANGLEShaderType shaderType, String& translatedShaderSource, String& shaderValidationLog, Vector<ANGLEShaderSymbol>& symbols, int extraCompileOptions)
-{
-    if (!builtCompilers) {
-        m_fragmentCompiler = ShConstructCompiler(SH_FRAGMENT_SHADER, m_shaderSpec, m_shaderOutput, &m_resources);
-        m_vertexCompiler = ShConstructCompiler(SH_VERTEX_SHADER, m_shaderSpec, m_shaderOutput, &m_resources);
-        if (!m_fragmentCompiler || !m_vertexCompiler) {
-            cleanupCompilers();
-            return false;
-        }
-
-        builtCompilers = true;
-    }
-
-    ShHandle compiler;
-
-    if (shaderType == SHADER_TYPE_VERTEX)
-        compiler = m_vertexCompiler;
-    else
-        compiler = m_fragmentCompiler;
-
-    const char* const shaderSourceStrings[] = { shaderSource };
-
-#if ANGLE_SH_VERSION >= 111
-    bool validateSuccess = ShCompile(compiler, shaderSourceStrings, 1, SH_OBJECT_CODE | SH_VARIABLES | extraCompileOptions);
-#else
-    bool validateSuccess = ShCompile(compiler, shaderSourceStrings, 1, SH_OBJECT_CODE | SH_ATTRIBUTES_UNIFORMS | extraCompileOptions);
-#endif
-    if (!validateSuccess) {
-        int logSize = getValidationResultValue(compiler, SH_INFO_LOG_LENGTH);
-        if (logSize > 1) {
-            OwnArrayPtr<char> logBuffer = adoptArrayPtr(new char[logSize]);
-            if (logBuffer) {
-                ShGetInfoLog(compiler, logBuffer.get());
-                shaderValidationLog = logBuffer.get();
-            }
-        }
-        return false;
-    }
-
-    int translationLength = getValidationResultValue(compiler, SH_OBJECT_CODE_LENGTH);
-    if (translationLength > 1) {
-        OwnArrayPtr<char> translationBuffer = adoptArrayPtr(new char[translationLength]);
-        if (!translationBuffer)
-            return false;
-        ShGetObjectCode(compiler, translationBuffer.get());
-        translatedShaderSource = translationBuffer.get();
-    }
-
-    if (!getSymbolInfo(compiler, SH_ACTIVE_ATTRIBUTES, symbols))
-        return false;
-    if (!getSymbolInfo(compiler, SH_ACTIVE_UNIFORMS, symbols))
-        return false;
-
-    return true;
-}
-
-}