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Add error message when the GDI Generic OpenGL renderer is encountered in Windows

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This commit is contained in:
Hannu Hanhi 2020-10-03 18:45:56 +03:00
parent d4fdf8ee16
commit e234eb8f87
1 changed files with 12 additions and 0 deletions
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12
src/sdl/ogl_sdl.c
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@ -167,6 +167,18 @@ boolean OglSdlSurface(INT32 w, INT32 h)
GL_DBG_Printf("OpenGL %s\n", gl_version);
GL_DBG_Printf("GPU: %s\n", gl_renderer);
GL_DBG_Printf("Extensions: %s\n", gl_extensions);
if (strcmp((const char*)gl_renderer, "GDI Generic") == 0 &&
strcmp((const char*)gl_version, "1.1.0") == 0)
{
// Oh no... Windows gave us the GDI Generic rasterizer, so something is wrong...
// The game will crash later on when unsupported OpenGL commands are encountered.
// Instead of a nondescript crash, show a more informative error message.
// Also set the renderer variable back to software so the next launch won't
// repeat this error.
CV_StealthSet(&cv_renderer, "Software");
I_Error("OpenGL Error: Failed to access the GPU. There may be an issue with your graphics drivers.");
}
}
first_init = true;