Hi All,
Since I need to load osmesa and system GL api at the same time on Linux, I need
to compile 10.5.9 osmesa in a mangled way. After a simple fix in glapi.h:
/* Is this needed? It is incomplete anyway. */
/*
#ifdef USE_MGL_NAMESPACE
#define _glapi_set_dispatch _mglapi_set_dispatch
#define _glapi_get_dispatch _mglapi_get_dispatch
#define _glapi_set_context _mglapi_set_context
#define _glapi_get_context _mglapi_get_context
#define _glapi_Dispatch _mglapi_Dispatch
#define _glapi_Context _mglapi_Context
#endif
*/
Now it compiles fine and here is my configuration:
./configure CFLAGS="-O2" CXXFLAGS="-O2" --disable-xvmc --disable-glx
--disable-dri --with-dri-drivers="" --with-gallium-drivers="swrast"
--enable-texture-float --enable-shared-glapi --disable-egl --enable-mangling
--with-egl-platforms="" --enable-gallium-osmesa --enable-gallium-llvm=yes
--disable-llvm-shared-libs --with-osmesa-bits=32 --with-max-width=65536
--with-max-height=65536
But glClearColor is broken in a weird way that the value passed in is revised
internally. Here is my call:
mglClearColor(0.5f, 0.3f, 0.3f, 0.3f);
But if I print out the value in _mesa_ClearColor() method of Clear.c. It shows:
ClearColor: 0.000000, 2.000000, 2.000000, 2.000000
I totally have no idea why this is happening while everything works fine with
mangling disabled.
Also, the compiler complains that mglGetString returns int instead of const
GLubyte*:
osdemo32.c:441:1: warning: format ‘%s’ expects argument of type ‘char *’, but
argument 2 has type ‘int’ [-Wformat=]
printf("Version: %s\n", mglGetString(GL_VERSION));
And mglGetString(GL_SHADING_LANGUAGE_VERSION) will crash the application while
other string works fine.
I also try to compile it with disable-shared-glapi flag, but I get errors. I am
not sure this is because gl_mangle.h is dated. (If I manually add the following
functions in gl_mangle.h, it compiles fine but some functions like
glCreateShader will be totally messed up.)
I would really appreciate it if someone have solutions because this is a very
important project for us.
CXXLD libMangledOSMesa32.la
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x5588):
undefined reference to `glPointSizePointerOES'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x6ae8):
undefined reference to `glPolygonOffsetClampEXT'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x6b78):
undefined reference to `glAlphaFuncx'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x6b90):
undefined reference to `glClearColorx'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x6ba8):
undefined reference to `glClearDepthx'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x6bc0):
undefined reference to `glColor4x'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x6bd8):
undefined reference to `glDepthRangex'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x6bf0):
undefined reference to `glFogx'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x6c08):
undefined reference to `glFogxv'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x6c20):
undefined reference to `glFrustumf'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x6c38):
undefined reference to `glFrustumx'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x6c50):
undefined reference to `glLightModelx'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x6c68):
undefined reference to `glLightModelxv'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x6c80):
undefined reference to `glLightx'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x6c98):
undefined reference to `glLightxv'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x6cb0):
undefined reference to `glLineWidthx'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x6cc8):
undefined reference to `glLoadMatrixx'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x6ce0):
undefined reference to `glMaterialx'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x6cf8):
undefined reference to `glMaterialxv'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x6d10):
undefined reference to `glMultMatrixx'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x6d28):
undefined reference to `glMultiTexCoord4x'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x6d40):
undefined reference to `glNormal3x'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x6d58):
undefined reference to `glOrthof'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x6d70):
undefined reference to `glOrthox'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x6d88):
undefined reference to `glPointSizex'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x6da0):
undefined reference to `glPolygonOffsetx'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x6db8):
undefined reference to `glRotatex'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x6dd0):
undefined reference to `glSampleCoveragex'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x6de8):
undefined reference to `glScalex'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x6e00):
undefined reference to `glTexEnvx'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x6e18):
undefined reference to `glTexEnvxv'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x6e30):
undefined reference to `glTexParameterx'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x6e48):
undefined reference to `glTranslatex'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x6e60):
undefined reference to `glClipPlanef'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x6e78):
undefined reference to `glClipPlanex'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x6e90):
undefined reference to `glGetClipPlanef'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x6ea8):
undefined reference to `glGetClipPlanex'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x6ec0):
undefined reference to `glGetFixedv'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x6ed8):
undefined reference to `glGetLightxv'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x6ef0):
undefined reference to `glGetMaterialxv'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x6f08):
undefined reference to `glGetTexEnvxv'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x6f20):
undefined reference to `glGetTexParameterxv'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x6f38):
undefined reference to `glPointParameterx'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x6f50):
undefined reference to `glPointParameterxv'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x6f68):
undefined reference to `glTexParameterxv'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x9b78):
undefined reference to `glAlphaFuncx'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x9b90):
undefined reference to `glClearColorx'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x9ba8):
undefined reference to `glClearDepthx'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x9bc0):
undefined reference to `glColor4x'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x9bd8):
undefined reference to `glDepthRangex'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x9bf0):
undefined reference to `glFogx'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x9c08):
undefined reference to `glFogxv'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x9c20):
undefined reference to `glFrustumf'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x9c38):
undefined reference to `glFrustumx'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x9c50):
undefined reference to `glLightModelx'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x9c68):
undefined reference to `glLightModelxv'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x9c80):
undefined reference to `glLightx'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x9c98):
undefined reference to `glLightxv'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x9cb0):
undefined reference to `glLineWidthx'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x9cc8):
undefined reference to `glLoadMatrixx'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x9ce0):
undefined reference to `glMaterialx'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x9cf8):
undefined reference to `glMaterialxv'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x9d10):
undefined reference to `glMultMatrixx'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x9d28):
undefined reference to `glMultiTexCoord4x'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x9d40):
undefined reference to `glNormal3x'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x9d58):
undefined reference to `glOrthof'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x9d70):
undefined reference to `glOrthox'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x9d88):
undefined reference to `glPointSizex'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x9da0):
undefined reference to `glPolygonOffsetx'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x9db8):
undefined reference to `glRotatex'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x9dd0):
undefined reference to `glSampleCoveragex'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x9de8):
undefined reference to `glScalex'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x9e00):
undefined reference to `glTexEnvx'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x9e18):
undefined reference to `glTexEnvxv'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x9e30):
undefined reference to `glTexParameterx'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x9e48):
undefined reference to `glTranslatex'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x9e60):
undefined reference to `glClipPlanef'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x9e78):
undefined reference to `glClipPlanex'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x9e90):
undefined reference to `glGetClipPlanef'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x9ea8):
undefined reference to `glGetClipPlanex'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x9ec0):
undefined reference to `glGetFixedv'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x9ed8):
undefined reference to `glGetLightxv'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x9ef0):
undefined reference to `glGetMaterialxv'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x9f08):
undefined reference to `glGetTexEnvxv'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x9f20):
undefined reference to `glGetTexParameterxv'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x9f38):
undefined reference to `glPointParameterx'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x9f50):
undefined reference to `glPointParameterxv'
../../../../src/mapi/glapi/.libs/libglapi.a(glapi_libglapi_la-glapi_getproc.o):(.data.rel.ro+0x9f68):
undefined reference to `glTexParameterxv'
collect2: error: ld returned 1 exit status
Yuzhu Lu
Senior User Interface Developer
Wolfram Research Inc.
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