15c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)/* 25c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) 2012 Adobe Systems Incorporated. All rights reserved. 35c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 45c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Redistribution and use in source and binary forms, with or without 55c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * modification, are permitted provided that the following conditions 65c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * are met: 75c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 85c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 1. Redistributions of source code must retain the above 95c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * copyright notice, this list of conditions and the following 105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * disclaimer. 115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 2. Redistributions in binary form must reproduce the above 125c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * copyright notice, this list of conditions and the following 135c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * disclaimer in the documentation and/or other materials 145c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * provided with the distribution. 155c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 165c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER “AS IS” AND ANY 175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 185c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 195c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE 205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, 215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 225c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 235c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 245c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR 255c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 265c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 275c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * SUCH DAMAGE. 285c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) */ 295c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 305c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#include "config.h" 31a854de003a23bf3c7f95ec0f8154ada64092ff5cTorne (Richard Coles)#include "platform/graphics/filters/custom/CustomFilterGlobalContext.h" 325c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 33a854de003a23bf3c7f95ec0f8154ada64092ff5cTorne (Richard Coles)#include "platform/graphics/GraphicsContext3D.h" 34a854de003a23bf3c7f95ec0f8154ada64092ff5cTorne (Richard Coles)#include "platform/graphics/filters/custom/CustomFilterValidatedProgram.h" 355c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 365c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)namespace WebCore { 375c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 385c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)CustomFilterGlobalContext::CustomFilterGlobalContext() 395c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 405c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 415c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 425c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)CustomFilterGlobalContext::~CustomFilterGlobalContext() 435c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 445c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) for (CustomFilterValidatedProgramsMap::iterator iter = m_programs.begin(); iter != m_programs.end(); ++iter) 455c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) iter->value->detachFromGlobalContext(); 465c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 475c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 481e202183a5dc46166763171984b285173f8585e5Torne (Richard Coles)ANGLEPlatformBridge* CustomFilterGlobalContext::webglShaderValidator() 495c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 505c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (!m_webglShaderValidator) 515c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) m_webglShaderValidator = createShaderValidator(SH_WEBGL_SPEC); 525c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return m_webglShaderValidator.get(); 535c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 545c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 551e202183a5dc46166763171984b285173f8585e5Torne (Richard Coles)ANGLEPlatformBridge* CustomFilterGlobalContext::mixShaderValidator() 565c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 575c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (!m_mixShaderValidator) 585c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) m_mixShaderValidator = createShaderValidator(SH_CSS_SHADERS_SPEC); 595c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return m_mixShaderValidator.get(); 605c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 615c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 621e202183a5dc46166763171984b285173f8585e5Torne (Richard Coles)PassOwnPtr<ANGLEPlatformBridge> CustomFilterGlobalContext::createShaderValidator(ShShaderSpec shaderSpec) 635c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 641e202183a5dc46166763171984b285173f8585e5Torne (Richard Coles) OwnPtr<ANGLEPlatformBridge> validator = adoptPtr(new ANGLEPlatformBridge(SH_ESSL_OUTPUT, shaderSpec)); 655c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) ShBuiltInResources resources; 665c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) ShInitBuiltInResources(&resources); 675c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) validator->setResources(resources); 685c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return validator.release(); 695c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 705c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 7181a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles)void CustomFilterGlobalContext::prepareContextIfNeeded() 725c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 735c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (m_context.get()) 745c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return; 755c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 765c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) GraphicsContext3D::Attributes attributes; 775c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) attributes.preserveDrawingBuffer = true; 785c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) attributes.premultipliedAlpha = false; 795c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) attributes.shareResources = true; 805c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) attributes.preferDiscreteGPU = true; 8181a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles) m_context = GraphicsContext3D::create(attributes); 825c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (!m_context) 835c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return; 845c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) m_context->makeContextCurrent(); 85e08f70592b3fc0d5e68b9b914c9196e813720070Torne (Richard Coles) m_context->enable(GL_DEPTH_TEST); 865c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 875c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 885c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)PassRefPtr<CustomFilterValidatedProgram> CustomFilterGlobalContext::getValidatedProgram(const CustomFilterProgramInfo& programInfo) 895c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 905c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) CustomFilterValidatedProgramsMap::iterator iter = m_programs.find(programInfo); 915c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (iter != m_programs.end()) 925c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return iter->value; 935c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 945c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) RefPtr<CustomFilterValidatedProgram> validatedProgram = CustomFilterValidatedProgram::create(this, programInfo); 955c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) m_programs.set(programInfo, validatedProgram.get()); 965c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return validatedProgram.release(); 975c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 985c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 995c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)void CustomFilterGlobalContext::removeValidatedProgram(const CustomFilterValidatedProgram* program) 1005c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 1015c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) CustomFilterValidatedProgramsMap::iterator iter = m_programs.find(program->programInfo()); 10251b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles) ASSERT_WITH_SECURITY_IMPLICATION(iter != m_programs.end()); 1035c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) m_programs.remove(iter); 1045c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1055c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#ifndef NDEBUG 1065c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // Check that there's no way we could have the same program under a different key. 1075c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) for (iter = m_programs.begin(); iter != m_programs.end(); ++iter) 1085c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) ASSERT(iter->value != program); 1095c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#endif 1105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 1115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1125c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} // namespace WebCore 113