Re: [Mesa-dev] glClearColor is broken in a weird way if compiled with mangling enabled

Sorry. 

Here it is: 

osboxes@osboxes:~/Documents/mesa-demos-8.2.0/src/osdemos$ gcc -o osdemo32 osdemo32.c -I/usr/local/include/ -I/home/osboxes/Documents/mesa-demos-8.2.0/src/util/ -L/usr/local/lib/ -lMangledOSMesa32 
osdemo32.c: In function ‘Init’: 
osdemo32.c:122:32: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] 
printf("GL_RENDERER = %s\n",(const char *) mglGetString(GL_RENDERER)); 
^ 
osdemo32.c: In function ‘main’: 
osdemo32.c:449:1: warning: format ‘%s’ expects argument of type ‘char *’, but argument 2 has type ‘int’ [-Wformat=] 
printf("Vendor: %s\n", mglGetString(GL_VENDOR)); 
^ 
osdemo32.c:450:1: warning: format ‘%s’ expects argument of type ‘char *’, but argument 2 has type ‘int’ [-Wformat=] 
printf("Renderer: %s\n", mglGetString(GL_RENDERER)); 
^ 
osdemo32.c:451:1: warning: format ‘%s’ expects argument of type ‘char *’, but argument 2 has type ‘int’ [-Wformat=] 
printf("Version: %s\n", mglGetString(GL_VERSION)); 
^ 
osdemo32.c:452:46: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] 
printf("GL_PROGRAM_ERROR_STRING_ARB: = %s\n",(const char *)mglGetString(GL_PROGRAM_ERROR_STRING_ARB)); 



Yuzhu 

----- Original Message -----

From: "Brian Paul" <[email protected]> 
To: "Yuzhu Lu" <[email protected]> 
Cc: [email protected], [email protected] 
Sent: Monday, August 24, 2015 6:07:19 PM 
Subject: Re: [Mesa-users] [Mesa-dev] glClearColor is broken in a weird way if compiled with mangling enabled 

On 08/24/2015 10:51 AM, Yuzhu Lu wrote: 
> Hi Brian, 
> 
> It happens for all the configuration I tried. Here is one example: 
> 
> ./configure --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 
> 
> I am not sure this is related. I am using 64bit Ubuntu. 
> 
> Here are the only warnings I get: 
> 
> nir/glsl_to_nir.cpp: In member function 'virtual void 
> {anonymous}::nir_visitor::visit(ir_call*)': 
> nir/glsl_to_nir.cpp:610:73: warning: 'op' may be used uninitialized in 
> this function [-Wmaybe-uninitialized] 
> nir_intrinsic_instr *instr = nir_intrinsic_instr_create(shader, op); 
> 
> nir/nir_lower_phis_to_scalar.c: In function 'is_phi_src_scalarizable': 
> nir/nir_lower_phis_to_scalar.c:70:14: warning: 'or' of unmatched 
> not-equal tests is always 1 
> src_alu->op != nir_op_vec4; 
> ^ 
> CXX nir/nir_lower_samplers.lo 
> nir/nir_lower_samplers.cpp: In function 'void 
> lower_sampler(nir_tex_instr*, gl_shader_program*, const gl_program*, 
> void*)': 
> nir/nir_lower_samplers.cpp:72:9: warning: unused variable 'has_indirect' 
> [-Wunused-variable] 
> bool has_indirect = false; 

I was asking about the compiler options/warnings when you compile your 
mgl application, not Mesa itself. 

-Brian

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