validateCompressedTexFormat 1342 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (!validateCompressedTexFormat(internalformat)) {
validateCompressedTexFormat 1375 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (!validateCompressedTexFormat(format)) {
validateCompressedTexFormat  769 Source/core/html/canvas/WebGLRenderingContextBase.h     bool validateCompressedTexFormat(GLenum format);