[Piglit] [Patch] textureGather: replace gl_FragColor with user defined one

[Tapani Pälli]

Reviewed-by: Tapani Pälli <tapani.palli at intel.com>

On 11/21/2016 02:43 PM, Sebastian Olender wrote:
> Use of gl_FragColor is deprecated since glsl 1.3
> ---
>   tests/texturing/shaders/textureGather.c | 6 ++++--
>   1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/tests/texturing/shaders/textureGather.c b/tests/texturing/shaders/textureGather.c
> index 226ddeb..81c6a97 100644
> --- a/tests/texturing/shaders/textureGather.c
> +++ b/tests/texturing/shaders/textureGather.c
> @@ -457,8 +457,9 @@ do_shader_setup(void)
>   				"\n"
>   				"in vec4 c;\n"
>   				"\n"
> +				"out vec4 fragColor;\n"
>   				"void main() {\n"
> -				"	gl_FragColor = c;\n"
> +				"	fragColor = c;\n"
>   				"}\n",
>   				need_shader5 ? "150" : "130");
>   	}
> @@ -481,8 +482,9 @@ do_shader_setup(void)
>   				"uniform %ssampler%s%s s;\n"
>   				"%s"
>   				"\n"
> +				"out vec4 fragColor;\n"
>   				"void main() {\n"
> -				"	gl_FragColor = %s * textureGather%s(s, %s %s %s %s);\n"
> +				"	fragColor = %s * textureGather%s(s, %s %s %s %s);\n"
>   				"}\n",
>   				need_shader5 ? "150" : "130",
>   				sampler == SAMPLER_CUBEARRAY ? "#extension GL_ARB_texture_cube_map_array: require\n" : "",