[Piglit] [PATCH 5/7] ARB_pipeline_statistics_query (geom): basic test

[Ilia Mirkin]

On Sat, Feb 14, 2015 at 1:54 AM, Ben Widawsky
<benjamin.widawsky at intel.com> wrote:
> +const char *gs_src =
> +       "#version 150                                   \n"
> +       "layout(triangles) in;                          \n"
> +       "layout(triangle_strip, max_vertices = 3) out;  \n"
> +       "in vec4 vertex_to_gs[3];                       \n"
> +       "void main()                                    \n"
> +       "{                                              \n"
> +       "  for (int i = 0; i < 3; i++) {                \n"
> +       "    gl_Position = vertex_to_gs[i];             \n"
> +       "    EmitVertex();                              \n"
> +       "  }                                            \n"
> +       "}                                              \n";
> +
> +#ifdef DISPLAY
> +const char *fs_src =
> +       "#version 150                                   \n"
> +       "out vec4 color;                                \n"
> +       "void main()                                    \n"
> +       "{                                              \n"
> +       "    color = vec4(0.0, 1.0, 0.0, 1.0);          \n"
> +       "}                                              \n";
> +#endif
> +
> +static struct query queries[] = {
> +       {
> +        .query = GL_GEOMETRY_SHADER_INVOCATIONS,
> +        .name = "GL_GEOMETRY_SHADER_INVOCATIONS",
> +        .min = NUM_PRIMS},
> +       {
> +        .query = GL_GEOMETRY_SHADER_PRIMITIVES_EMITTED_ARB,
> +        .name = "GL_GEOMETRY_SHADER_PRIMITIVES_EMITTED_ARB",
> +        .min = NUM_PRIMS}
> +};


Maybe emit 2 primitives from each invocation (could just emit the very
same one twice)? That way it's clear which result is which.

  -ilia