15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/base_paths.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/command_line.h" 72a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "base/files/file_path.h" 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/logging.h" 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/native_library.h" 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/path_service.h" 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/gl/gl_bindings.h" 125d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include "ui/gl/gl_context_stub_with_extensions.h" 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/gl/gl_egl_api_implementation.h" 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/gl/gl_gl_api_implementation.h" 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/gl/gl_implementation.h" 16a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)#include "ui/gl/gl_implementation_osmesa.h" 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/gl/gl_osmesa_api_implementation.h" 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace gfx { 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace { 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void GL_BINDING_CALL MarshalClearDepthToClearDepthf(GLclampd depth) { 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) glClearDepthf(static_cast<GLclampf>(depth)); 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void GL_BINDING_CALL MarshalDepthRangeToDepthRangef(GLclampd z_near, 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GLclampd z_far) { 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) glDepthRangef(static_cast<GLclampf>(z_near), static_cast<GLclampf>(z_far)); 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void GetAllowedGLImplementations(std::vector<GLImplementation>* impls) { 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) impls->push_back(kGLImplementationEGLGLES2); 36a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) impls->push_back(kGLImplementationOSMesaGL); 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 395d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)bool InitializeStaticGLBindings(GLImplementation implementation) { 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Prevent reinitialization with a different implementation. Once the gpu 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // unit tests have initialized with kGLImplementationMock, we don't want to 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // later switch to another GL implementation. 435d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) DCHECK_EQ(kGLImplementationNone, GetGLImplementation()); 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) switch (implementation) { 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case kGLImplementationEGLGLES2: { 47010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) base::NativeLibrary gles_library = 48010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) LoadLibraryAndPrintError("libGLESv2.so"); 49010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) if (!gles_library) 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 51010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) base::NativeLibrary egl_library = LoadLibraryAndPrintError("libEGL.so"); 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!egl_library) { 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::UnloadNativeLibrary(gles_library); 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GLGetProcAddressProc get_proc_address = 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) reinterpret_cast<GLGetProcAddressProc>( 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::GetFunctionPointerFromNativeLibrary( 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) egl_library, "eglGetProcAddress")); 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!get_proc_address) { 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LOG(ERROR) << "eglGetProcAddress not found."; 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::UnloadNativeLibrary(egl_library); 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::UnloadNativeLibrary(gles_library); 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SetGLGetProcAddressProc(get_proc_address); 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AddGLNativeLibrary(egl_library); 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AddGLNativeLibrary(gles_library); 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SetGLImplementation(kGLImplementationEGLGLES2); 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 735d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) InitializeStaticGLBindingsGL(); 745d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) InitializeStaticGLBindingsEGL(); 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // These two functions take single precision float rather than double 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // precision float parameters in GLES. 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ::gfx::g_driver_gl.fn.glClearDepthFn = MarshalClearDepthToClearDepthf; 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ::gfx::g_driver_gl.fn.glDepthRangeFn = MarshalDepthRangeToDepthRangef; 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 82a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) case kGLImplementationOSMesaGL: 83a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) InitializeStaticGLBindingsOSMesaGL(); 84a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) break; 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case kGLImplementationMockGL: { 865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SetGLImplementation(kGLImplementationMockGL); 875d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) InitializeStaticGLBindingsGL(); 885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) default: 915d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) NOTIMPLEMENTED() << "InitializeStaticGLBindings on Android"; 925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return true; 965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 985d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)bool InitializeDynamicGLBindings(GLImplementation implementation, 995d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) GLContext* context) { 1005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) switch (implementation) { 1015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case kGLImplementationEGLGLES2: 1025d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) InitializeDynamicGLBindingsGL(context); 1035d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) InitializeDynamicGLBindingsEGL(context); 1045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 105a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) case kGLImplementationOSMesaGL: 106a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) InitializeDynamicGLBindingsGL(context); 107a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) InitializeDynamicGLBindingsOSMESA(context); 108a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) break; 1095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case kGLImplementationMockGL: 1105d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (!context) { 1115d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) scoped_refptr<GLContextStubWithExtensions> mock_context( 1125d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) new GLContextStubWithExtensions()); 1135d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) mock_context->SetGLVersionString("opengl es 3.0"); 1145d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) InitializeDynamicGLBindingsGL(mock_context.get()); 1155d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } else 1165d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) InitializeDynamicGLBindingsGL(context); 1175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 1185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) default: 1195d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) NOTREACHED() << "InitializeDynamicGLBindings on Android"; 1205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 1215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return true; 1245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void InitializeDebugGLBindings() { 1275d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) InitializeDebugGLBindingsEGL(); 1285d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) InitializeDebugGLBindingsGL(); 129a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) InitializeDebugGLBindingsOSMESA(); 1305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void ClearGLBindings() { 1335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ClearGLBindingsEGL(); 1345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ClearGLBindingsGL(); 135a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) ClearGLBindingsOSMESA(); 1365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SetGLImplementation(kGLImplementationNone); 1375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UnloadGLNativeLibraries(); 1395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 141868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)bool GetGLWindowSystemBindingInfo(GLWindowSystemBindingInfo* info) { 142868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) switch (GetGLImplementation()) { 143868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) case kGLImplementationEGLGLES2: 144868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) return GetGLWindowSystemBindingInfoEGL(info); 145868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) default: 146868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) return false; 147868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) } 148868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) return false; 149868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)} 150868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 1515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace gfx 152