autotests/effect/mock_gl.cpp

0001 /*
0002     KWin - the KDE window manager
0003     This file is part of the KDE project.
0004
0005     SPDX-FileCopyrightText: 2016 Martin Gräßlin <mgraesslin@kde.org>
0006
0007     SPDX-License-Identifier: GPL-2.0-or-later
0008 */
0009 #include "mock_gl.h"
0010 #include <epoxy/gl.h>
0011
0012 MockGL *s_gl = nullptr;
0013
0014 static const GLubyte *mock_glGetString(GLenum name)
0015 {
0016     if (!s_gl) {
0017         return nullptr;
0018     }
0019     switch (name) {
0020     case GL_VENDOR:
0021         return (const GLubyte *)s_gl->getString.vendor.constData();
0022     case GL_RENDERER:
0023         return (const GLubyte *)s_gl->getString.renderer.constData();
0024     case GL_VERSION:
0025         return (const GLubyte *)s_gl->getString.version.constData();
0026     case GL_EXTENSIONS:
0027         return (const GLubyte *)s_gl->getString.extensionsString.constData();
0028     case GL_SHADING_LANGUAGE_VERSION:
0029         return (const GLubyte *)s_gl->getString.shadingLanguageVersion.constData();
0030     default:
0031         return nullptr;
0032     }
0033 }
0034
0035 static const GLubyte *mock_glGetStringi(GLenum name, GLuint index)
0036 {
0037     if (!s_gl) {
0038         return nullptr;
0039     }
0040     if (name == GL_EXTENSIONS && index < uint(s_gl->getString.extensions.count())) {
0041         return (const GLubyte *)s_gl->getString.extensions.at(index).constData();
0042     }
0043     return nullptr;
0044 }
0045
0046 static void mock_glGetIntegerv(GLenum pname, GLint *data)
0047 {
0048     if (pname == GL_NUM_EXTENSIONS) {
0049         if (data && s_gl) {
0050             *data = s_gl->getString.extensions.count();
0051         }
0052     }
0053 }
0054
0055 PFNGLGETSTRINGPROC epoxy_glGetString = mock_glGetString;
0056 PFNGLGETSTRINGIPROC epoxy_glGetStringi = mock_glGetStringi;
0057 PFNGLGETINTEGERVPROC epoxy_glGetIntegerv = mock_glGetIntegerv;