diff options
author | jjesswan <jessica_wan@brown.edu> | 2024-04-22 21:56:26 -0400 |
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committer | jjesswan <jessica_wan@brown.edu> | 2024-04-22 21:56:26 -0400 |
commit | a556b45abf18f1bd509daaf63b66b7d55e9fd291 (patch) | |
tree | bc9b8a2d184c12aee236e7f9f276a34b84ca552d /engine-ocean/External/glew/auto/src/glew_init_egl.c | |
parent | cd7c76017a12bb548036571c1ff13e551369d06d (diff) |
add engine version
Diffstat (limited to 'engine-ocean/External/glew/auto/src/glew_init_egl.c')
-rw-r--r-- | engine-ocean/External/glew/auto/src/glew_init_egl.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/engine-ocean/External/glew/auto/src/glew_init_egl.c b/engine-ocean/External/glew/auto/src/glew_init_egl.c new file mode 100644 index 0000000..1502ef6 --- /dev/null +++ b/engine-ocean/External/glew/auto/src/glew_init_egl.c @@ -0,0 +1,45 @@ + /* ------------------------------------------------------------------------ */ + +GLboolean eglewGetExtension (const char* name) +{ + const GLubyte* start; + const GLubyte* end; + + start = (const GLubyte*) eglQueryString(eglGetCurrentDisplay(), EGL_EXTENSIONS); + if (0 == start) return GL_FALSE; + end = start + _glewStrLen(start); + return _glewSearchExtension(name, start, end); +} + +GLenum eglewInit (EGLDisplay display) +{ + EGLint major, minor; + const GLubyte* extStart; + const GLubyte* extEnd; + PFNEGLINITIALIZEPROC initialize = NULL; + PFNEGLQUERYSTRINGPROC queryString = NULL; + + /* Load necessary entry points */ + initialize = (PFNEGLINITIALIZEPROC) glewGetProcAddress("eglInitialize"); + queryString = (PFNEGLQUERYSTRINGPROC) glewGetProcAddress("eglQueryString"); + if (!initialize || !queryString) + return 1; + + /* query EGL version */ + if (initialize(display, &major, &minor) != EGL_TRUE) + return 1; + + EGLEW_VERSION_1_5 = ( major > 1 ) || ( major == 1 && minor >= 5 ) ? GL_TRUE : GL_FALSE; + EGLEW_VERSION_1_4 = EGLEW_VERSION_1_5 == GL_TRUE || ( major == 1 && minor >= 4 ) ? GL_TRUE : GL_FALSE; + EGLEW_VERSION_1_3 = EGLEW_VERSION_1_4 == GL_TRUE || ( major == 1 && minor >= 3 ) ? GL_TRUE : GL_FALSE; + EGLEW_VERSION_1_2 = EGLEW_VERSION_1_3 == GL_TRUE || ( major == 1 && minor >= 2 ) ? GL_TRUE : GL_FALSE; + EGLEW_VERSION_1_1 = EGLEW_VERSION_1_2 == GL_TRUE || ( major == 1 && minor >= 1 ) ? GL_TRUE : GL_FALSE; + EGLEW_VERSION_1_0 = EGLEW_VERSION_1_1 == GL_TRUE || ( major == 1 && minor >= 0 ) ? GL_TRUE : GL_FALSE; + + /* query EGL extension string */ + extStart = (const GLubyte*) queryString(display, EGL_EXTENSIONS); + if (extStart == 0) + extStart = (const GLubyte *)""; + extEnd = extStart + _glewStrLen(extStart); + + /* initialize extensions */ |