[Mesa-dev] [PATCH] glxinfo: test GL_ATI_meminfo and GL_NVX_gpu_memory_info

[Brian Paul]

On 02/02/2016 06:47 AM, Marek Olšák wrote:
> From: Marek Olšák <marek.olsak at amd.com>
>
> ---
>   src/xdemos/glxinfo.c | 53 ++++++++++++++++++++++++++++++++++++++++++++++++++++
>   1 file changed, 53 insertions(+)
>
> diff --git a/src/xdemos/glxinfo.c b/src/xdemos/glxinfo.c
> index f65451a..b0377fb 100644
> --- a/src/xdemos/glxinfo.c
> +++ b/src/xdemos/glxinfo.c
> @@ -390,6 +390,55 @@ query_renderer(void)
>   }
>
>
> +static void
> +query_ATI_meminfo(void)
> +{
> +#ifdef GL_ATI_meminfo
> +    int i[4];
> +
> +    printf("Memory info (GL_ATI_meminfo):\n");
> +
> +    glGetIntegerv(GL_VBO_FREE_MEMORY_ATI, i);
> +    printf("    VBO free memory - total: %u MB, largest block: %u MB\n",
> +           i[0] / 1024, i[1] / 1024);
> +    printf("    VBO free aux. memory - total: %u MB, largest block: %u MB\n",
> +           i[2] / 1024, i[3] / 1024);
> +
> +    glGetIntegerv(GL_TEXTURE_FREE_MEMORY_ATI, i);
> +    printf("    Texture free memory - total: %u MB, largest block: %u MB\n",
> +           i[0] / 1024, i[1] / 1024);
> +    printf("    Texture free aux. memory - total: %u MB, largest block: %u MB\n",
> +           i[2] / 1024, i[3] / 1024);
> +
> +    glGetIntegerv(GL_RENDERBUFFER_FREE_MEMORY_ATI, i);
> +    printf("    Renderbuffer free memory - total: %u MB, largest block: %u MB\n",
> +           i[0] / 1024, i[1] / 1024);
> +    printf("    Renderbuffer free aux. memory - total: %u MB, largest block: %u MB\n",
> +           i[2] / 1024, i[3] / 1024);
> +#endif
> +}
> +
> +
> +static void
> +query_NVX_gpu_memory_info(void)
> +{
> +#ifdef GL_NVX_gpu_memory_info
> +    int i;
> +
> +    printf("Memory info (GL_NVX_gpu_memory_info):\n");
> +
> +    glGetIntegerv(GL_GPU_MEMORY_INFO_DEDICATED_VIDMEM_NVX, &i);
> +    printf("    Dedicated video memory: %u MB\n", i / 1024);
> +
> +    glGetIntegerv(GL_GPU_MEMORY_INFO_TOTAL_AVAILABLE_MEMORY_NVX, &i);
> +    printf("    Total available memory: %u MB\n", i / 1024);
> +
> +    glGetIntegerv(GL_GPU_MEMORY_INFO_CURRENT_AVAILABLE_VIDMEM_NVX, &i);
> +    printf("    Currently available dedicated video memory: %u MB\n", i / 1024);
> +#endif
> +}
> +
> +
>   static Bool
>   print_screen_info(Display *dpy, int scrnum,
>                     const struct options *opts,
> @@ -547,6 +596,10 @@ print_screen_info(Display *dpy, int scrnum,
>            }
>            if (strstr(glxExtensions, "GLX_MESA_query_renderer"))
>   	    query_renderer();
> +         if (strstr(glExtensions, "GL_ATI_meminfo"))
> +            query_ATI_meminfo();
> +         if (strstr(glExtensions, "GL_NVX_gpu_memory_info"))
> +            query_NVX_gpu_memory_info();
>            printf("OpenGL vendor string: %s\n", glVendor);
>            printf("OpenGL renderer string: %s\n", glRenderer);
>         } else
>

If these extensions are also available on Windows (I bet they are) then 
this code should go into the glinfo_common.c file.

-Brian