1 /*-------------------------------------------------------------------------
2 * drawElements Quality Program Tester Core
3 * ----------------------------------------
5 * Copyright 2014 The Android Open Source Project
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
21 * \brief EGL utilities for interfacing with GL APIs.
22 *//*--------------------------------------------------------------------*/
24 #include "egluGLUtil.hpp"
26 #include "egluUtil.hpp"
27 #include "eglwLibrary.hpp"
28 #include "eglwEnums.hpp"
29 #include "glwEnums.hpp"
40 glw::GLenum getImageGLTarget (EGLenum source)
44 case EGL_GL_TEXTURE_2D_KHR: return GL_TEXTURE_2D;
45 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR: return GL_TEXTURE_CUBE_MAP_POSITIVE_X;
46 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Y_KHR: return GL_TEXTURE_CUBE_MAP_POSITIVE_Y;
47 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Z_KHR: return GL_TEXTURE_CUBE_MAP_POSITIVE_Z;
48 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_X_KHR: return GL_TEXTURE_CUBE_MAP_NEGATIVE_X;
49 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_KHR: return GL_TEXTURE_CUBE_MAP_NEGATIVE_Y;
50 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_KHR: return GL_TEXTURE_CUBE_MAP_NEGATIVE_Z;
51 case EGL_GL_TEXTURE_3D_KHR: return GL_TEXTURE_3D;
52 case EGL_GL_RENDERBUFFER_KHR: return GL_RENDERBUFFER;
53 default: DE_FATAL("Impossible"); return GL_NONE;
57 EGLint apiRenderableType (glu::ApiType apiType)
59 switch (apiType.getProfile())
61 case glu::PROFILE_CORE:
62 case glu::PROFILE_COMPATIBILITY:
63 return EGL_OPENGL_BIT;
65 switch (apiType.getMajorVersion())
67 case 1: return EGL_OPENGL_ES_BIT;
68 case 2: return EGL_OPENGL_ES2_BIT;
69 case 3: return EGL_OPENGL_ES3_BIT_KHR;
70 default: DE_FATAL("Unknown OpenGL ES version");
73 DE_FATAL("Unknown GL API");
79 EGLContext createGLContext (const Library& egl,
82 const glu::ContextType& contextType,
83 glu::ResetNotificationStrategy resetNotificationStrategy)
85 const bool khrCreateContextSupported = hasExtension(egl, display, "EGL_KHR_create_context");
86 EGLContext context = EGL_NO_CONTEXT;
87 EGLenum api = EGL_NONE;
88 vector<EGLint> attribList;
90 if (glu::isContextTypeES(contextType))
92 api = EGL_OPENGL_ES_API;
94 if (contextType.getMajorVersion() <= 2)
96 attribList.push_back(EGL_CONTEXT_CLIENT_VERSION);
97 attribList.push_back(contextType.getMajorVersion());
101 if (!khrCreateContextSupported)
102 TCU_THROW(NotSupportedError, "EGL_KHR_create_context is required for OpenGL ES 3.0 and newer");
104 attribList.push_back(EGL_CONTEXT_MAJOR_VERSION_KHR);
105 attribList.push_back(contextType.getMajorVersion());
106 attribList.push_back(EGL_CONTEXT_MINOR_VERSION_KHR);
107 attribList.push_back(contextType.getMinorVersion());
112 DE_ASSERT(glu::isContextTypeGLCore(contextType) || glu::isContextTypeGLCompatibility(contextType));
114 if (!khrCreateContextSupported)
115 TCU_THROW(NotSupportedError, "EGL_KHR_create_context is required for OpenGL context creation");
117 api = EGL_OPENGL_API;
119 attribList.push_back(EGL_CONTEXT_MAJOR_VERSION_KHR);
120 attribList.push_back(contextType.getMajorVersion());
121 attribList.push_back(EGL_CONTEXT_MINOR_VERSION_KHR);
122 attribList.push_back(contextType.getMinorVersion());
123 attribList.push_back(EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR);
124 attribList.push_back(glu::isContextTypeGLCore(contextType) ? EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR
125 : EGL_CONTEXT_OPENGL_COMPATIBILITY_PROFILE_BIT_KHR);
128 if (contextType.getFlags() != glu::ContextFlags(0))
132 if (!khrCreateContextSupported)
133 TCU_THROW(NotSupportedError, "EGL_KHR_create_context is required for creating robust/debug/forward-compatible contexts");
135 if ((contextType.getFlags() & glu::CONTEXT_DEBUG) != 0)
136 flags |= EGL_CONTEXT_OPENGL_DEBUG_BIT_KHR;
138 if ((contextType.getFlags() & glu::CONTEXT_ROBUST) != 0)
140 if (glu::isContextTypeES(contextType))
142 if (!hasExtension(egl, display, "EGL_EXT_create_context_robustness") && (getVersion(egl, display) < Version(1, 5)))
143 TCU_THROW(NotSupportedError, "EGL_EXT_create_context_robustness is required for creating robust context");
145 attribList.push_back(EGL_CONTEXT_OPENGL_ROBUST_ACCESS_EXT);
146 attribList.push_back(EGL_TRUE);
149 flags |= EGL_CONTEXT_OPENGL_ROBUST_ACCESS_BIT_KHR;
152 if ((contextType.getFlags() & glu::CONTEXT_FORWARD_COMPATIBLE) != 0)
154 if (!glu::isContextTypeGLCore(contextType))
155 TCU_THROW(InternalError, "Only OpenGL core contexts can be forward-compatible");
157 flags |= EGL_CONTEXT_OPENGL_FORWARD_COMPATIBLE_BIT_KHR;
160 attribList.push_back(EGL_CONTEXT_FLAGS_KHR);
161 attribList.push_back(flags);
163 if (resetNotificationStrategy != glu::RESET_NOTIFICATION_STRATEGY_NOT_SPECIFIED)
165 if (glu::isContextTypeES(contextType))
166 TCU_THROW(InternalError, "Specifying reset notification strategy is not allowed when creating OpenGL ES contexts");
168 attribList.push_back(EGL_CONTEXT_OPENGL_RESET_NOTIFICATION_STRATEGY_KHR);
170 if (resetNotificationStrategy == glu::RESET_NOTIFICATION_STRATEGY_NO_RESET_NOTIFICATION)
171 attribList.push_back(EGL_NO_RESET_NOTIFICATION_KHR);
172 else if (resetNotificationStrategy == glu::RESET_NOTIFICATION_STRATEGY_LOSE_CONTEXT_ON_RESET)
173 attribList.push_back(EGL_LOSE_CONTEXT_ON_RESET_KHR);
175 TCU_THROW(InternalError, "Unknown reset notification strategy");
179 attribList.push_back(EGL_NONE);
181 EGLU_CHECK_CALL(egl, bindAPI(api));
182 context = egl.createContext(display, eglConfig, EGL_NO_CONTEXT, &(attribList[0]));
183 EGLU_CHECK_MSG(egl, "eglCreateContext()");
188 static bool configMatches (const eglw::Library& egl, eglw::EGLDisplay display, eglw::EGLConfig eglConfig, const glu::RenderConfig& renderConfig)
190 // \todo [2014-03-12 pyry] Check other attributes like double-buffer bit.
193 EGLint renderableType = 0;
194 EGLint requiredRenderable = apiRenderableType(renderConfig.type.getAPI());
196 EGLU_CHECK_CALL(egl, getConfigAttrib(display, eglConfig, EGL_RENDERABLE_TYPE, &renderableType));
198 if ((renderableType & requiredRenderable) == 0)
202 if (renderConfig.surfaceType != glu::RenderConfig::SURFACETYPE_DONT_CARE)
204 EGLint surfaceType = 0;
205 EGLint requiredSurface = 0;
207 switch (renderConfig.surfaceType)
209 case glu::RenderConfig::SURFACETYPE_WINDOW: requiredSurface = EGL_WINDOW_BIT; break;
210 case glu::RenderConfig::SURFACETYPE_OFFSCREEN_NATIVE: requiredSurface = EGL_PIXMAP_BIT; break;
211 case glu::RenderConfig::SURFACETYPE_OFFSCREEN_GENERIC: requiredSurface = EGL_PBUFFER_BIT; break;
216 EGLU_CHECK_CALL(egl, getConfigAttrib(display, eglConfig, EGL_SURFACE_TYPE, &surfaceType));
218 if ((surfaceType & requiredSurface) == 0)
225 int glu::RenderConfig::*field;
229 { &glu::RenderConfig::id, EGL_CONFIG_ID },
230 { &glu::RenderConfig::redBits, EGL_RED_SIZE },
231 { &glu::RenderConfig::greenBits, EGL_GREEN_SIZE },
232 { &glu::RenderConfig::blueBits, EGL_BLUE_SIZE },
233 { &glu::RenderConfig::alphaBits, EGL_ALPHA_SIZE },
234 { &glu::RenderConfig::depthBits, EGL_DEPTH_SIZE },
235 { &glu::RenderConfig::stencilBits, EGL_STENCIL_SIZE },
236 { &glu::RenderConfig::numSamples, EGL_SAMPLES },
239 for (int attribNdx = 0; attribNdx < DE_LENGTH_OF_ARRAY(s_attribs); attribNdx++)
241 if (renderConfig.*s_attribs[attribNdx].field != glu::RenderConfig::DONT_CARE)
244 EGLU_CHECK_CALL(egl, getConfigAttrib(display, eglConfig, s_attribs[attribNdx].attrib, &value));
245 if (value != renderConfig.*s_attribs[attribNdx].field)
254 EGLConfig chooseConfig (const Library& egl, EGLDisplay display, const glu::RenderConfig& config)
256 const std::vector<EGLConfig> configs = eglu::getConfigs(egl, display);
258 for (vector<EGLConfig>::const_iterator iter = configs.begin(); iter != configs.end(); ++iter)
260 if (configMatches(egl, display, *iter, config))
264 throw tcu::NotSupportedError("Matching EGL config not found", DE_NULL, __FILE__, __LINE__);