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      1 /*
      2  * Copyright (C) 2011 Google Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  *
      8  * 1.  Redistributions of source code must retain the above copyright
      9  *     notice, this list of conditions and the following disclaimer.
     10  * 2.  Redistributions in binary form must reproduce the above copyright
     11  *     notice, this list of conditions and the following disclaimer in the
     12  *     documentation and/or other materials provided with the distribution.
     13  *
     14  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
     15  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     16  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     17  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
     18  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     19  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     20  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
     21  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     23  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #include "config.h"
     27 #include "core/html/canvas/WebGLDebugShaders.h"
     28 
     29 #include "bindings/v8/ExceptionState.h"
     30 #include "core/html/canvas/WebGLRenderingContext.h"
     31 #include "core/html/canvas/WebGLShader.h"
     32 #include "core/platform/graphics/Extensions3D.h"
     33 
     34 namespace WebCore {
     35 
     36 WebGLDebugShaders::WebGLDebugShaders(WebGLRenderingContext* context)
     37     : WebGLExtension(context)
     38 {
     39     ScriptWrappable::init(this);
     40 }
     41 
     42 WebGLDebugShaders::~WebGLDebugShaders()
     43 {
     44 }
     45 
     46 WebGLExtension::ExtensionName WebGLDebugShaders::getName() const
     47 {
     48     return WebGLDebugShadersName;
     49 }
     50 
     51 PassRefPtr<WebGLDebugShaders> WebGLDebugShaders::create(WebGLRenderingContext* context)
     52 {
     53     return adoptRef(new WebGLDebugShaders(context));
     54 }
     55 
     56 String WebGLDebugShaders::getTranslatedShaderSource(WebGLShader* shader)
     57 {
     58     if (isLost())
     59         return String();
     60     if (!m_context->validateWebGLObject("getTranslatedShaderSource", shader))
     61         return "";
     62     return m_context->graphicsContext3D()->getExtensions()->getTranslatedShaderSourceANGLE(shader->object());
     63 }
     64 
     65 bool WebGLDebugShaders::supported(WebGLRenderingContext* context)
     66 {
     67     Extensions3D* extensions = context->graphicsContext3D()->getExtensions();
     68     return extensions->supports("GL_ANGLE_translated_shader_source");
     69 }
     70 
     71 const char* WebGLDebugShaders::getExtensionName()
     72 {
     73     return "WEBGL_debug_shaders";
     74 }
     75 
     76 } // namespace WebCore
     77