/* * Copyright (C) 2020 Google 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 AND ITS CONTRIBUTORS "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 OR ITS 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(WEBGL) #include "WebGLColorBufferFloat.h" #include "ExtensionsGL.h" #include <wtf/IsoMallocInlines.h> namespace WebCore { WTF_MAKE_ISO_ALLOCATED_IMPL(WebGLColorBufferFloat); WebGLColorBufferFloat::WebGLColorBufferFloat(WebGLRenderingContextBase& context) : WebGLExtension(context) { context.graphicsContextGL()->getExtensions().ensureEnabled("GL_CHROMIUM_color_buffer_float_rgba"_s); // Optimistically enable RGB floating-point render targets also, if possible. context.graphicsContextGL()->getExtensions().ensureEnabled("GL_CHROMIUM_color_buffer_float_rgb"_s); // https://github.com/KhronosGroup/WebGL/pull/2830 // Spec requires EXT_float_blend to be turned on implicitly here. context.graphicsContextGL()->getExtensions().ensureEnabled("GL_EXT_float_blend"_s); } WebGLColorBufferFloat::~WebGLColorBufferFloat() = default; WebGLExtension::ExtensionName WebGLColorBufferFloat::getName() const { return WebGLColorBufferFloatName; } bool WebGLColorBufferFloat::supported(const WebGLRenderingContextBase& context) { return context.graphicsContextGL()->getExtensions().supports("GL_OES_texture_float"_s) && context.graphicsContextGL()->getExtensions().supports("GL_CHROMIUM_color_buffer_float_rgba"_s); } } // namespace WebCore #endif // ENABLE(WEBGL)