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| 1 /* | |
| 2 * Copyright (C) 2010 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 "sky/engine/config.h" | |
| 27 | |
| 28 #include "sky/engine/core/html/canvas/OESTextureFloat.h" | |
| 29 | |
| 30 namespace blink { | |
| 31 | |
| 32 OESTextureFloat::OESTextureFloat(WebGLRenderingContextBase* context) | |
| 33 : WebGLExtension(context) | |
| 34 { | |
| 35 if (context->extensionsUtil()->ensureExtensionEnabled("GL_OES_texture_float"
)) { | |
| 36 // Implicitly enable rendering to float textures | |
| 37 context->extensionsUtil()->ensureExtensionEnabled("GL_CHROMIUM_color_buf
fer_float_rgba"); | |
| 38 context->extensionsUtil()->ensureExtensionEnabled("GL_CHROMIUM_color_buf
fer_float_rgb"); | |
| 39 } | |
| 40 } | |
| 41 | |
| 42 OESTextureFloat::~OESTextureFloat() | |
| 43 { | |
| 44 } | |
| 45 | |
| 46 WebGLExtensionName OESTextureFloat::name() const | |
| 47 { | |
| 48 return OESTextureFloatName; | |
| 49 } | |
| 50 | |
| 51 PassRefPtr<OESTextureFloat> OESTextureFloat::create(WebGLRenderingContextBase* c
ontext) | |
| 52 { | |
| 53 return adoptRef(new OESTextureFloat(context)); | |
| 54 } | |
| 55 | |
| 56 bool OESTextureFloat::supported(WebGLRenderingContextBase* context) | |
| 57 { | |
| 58 return context->extensionsUtil()->supportsExtension("GL_OES_texture_float"); | |
| 59 } | |
| 60 | |
| 61 const char* OESTextureFloat::extensionName() | |
| 62 { | |
| 63 return "OES_texture_float"; | |
| 64 } | |
| 65 | |
| 66 } // namespace blink | |
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