Validate pixel data array is enough for request by texImage3D and texSubImage3D

third_party/WebKit/Source/modules/webgl/WebGL2RenderingContextBase.cpp

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "config.h"
 #include "modules/webgl/WebGL2RenderingContextBase.h"
 
 #include "bindings/modules/v8/WebGLAny.h"
 #include "core/html/HTMLCanvasElement.h"
 #include "core/html/HTMLImageElement.h"
@@ skipping 649 matching lines @@
 
     if (!validateTexFuncFormatAndType(functionName, internalformat, format, type, level))
         return false;
 
     return true;
 }
 
 void WebGL2RenderingContextBase::texImage3D(GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLenum format, GLenum type, DOMArrayBufferView* pixels)
 {
     if (isContextLost() || !validateTexImage3D("texImage3D", target, level, internalformat, format, type)
-        || !validateTexFuncData("texImage3D", level, width, height, format, type, pixels, NullAllowed))
+        || !validateTexFuncData("texImage3D", level, width, height, depth, format, type, pixels, NullAllowed))
         return;
 
     void* data = pixels ? pixels->baseAddress() : 0;
     Vector<uint8_t> tempData;
     if (data && (m_unpackFlipY || m_unpackPremultiplyAlpha)) {
         // FIXME: WebGLImageConversion needs to be updated to accept image depth.
         notImplemented();
         return;
     }
 
@@ skipping 83 matching lines @@
     if (m_unpackAlignment != 1)
         webContext()->pixelStorei(GL_UNPACK_ALIGNMENT, 1);
     webContext()->texSubImage3D(target, level, xoffset, yoffset, zoffset, imageExtractor.imageWidth(), imageExtractor.imageHeight(), 1, format, type, needConversion ? data.data() : imagePixelData);
     if (m_unpackAlignment != 1)
         webContext()->pixelStorei(GL_UNPACK_ALIGNMENT, m_unpackAlignment);
 }
 
 void WebGL2RenderingContextBase::texSubImage3D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, DOMArrayBufferView* pixels)
 {
     if (isContextLost() || !pixels || !validateTexSubImage3D("texSubImage3D", target, level, xoffset, yoffset, zoffset, format, type, width, height, depth)
-        || !validateTexFuncData("texSubImage3D", level, width, height, format, type, pixels, NullAllowed))
+        || !validateTexFuncData("texSubImage3D", level, width, height, depth, format, type, pixels, NullAllowed))
         return;
 
     // FIXME: Ensure pixels is large enough to contain the desired texture dimensions.
 
     void* data = pixels->baseAddress();
     Vector<uint8_t> tempData;
     bool changeUnpackAlignment = false;
     if (data && (m_unpackFlipY || m_unpackPremultiplyAlpha)) {
         if (!WebGLImageConversion::extractTextureData(width, height, format, type,
             m_unpackAlignment,
@@ skipping 2297 matching lines @@
 GLenum WebGL2RenderingContextBase::boundFramebufferColorFormat()
 {
     if (m_readFramebufferBinding && m_readFramebufferBinding->object())
         return m_readFramebufferBinding->colorBufferFormat();
     if (m_requestedAttributes.alpha())
         return GL_RGBA;
     return GL_RGB;
 }
 
 } // namespace blink