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

[Brian Paul]

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