return num_components + needed_components <= max_components;
}
-static bool
-is_last_vertex_stage(struct gl_context *ctx, struct gl_program *prog)
-{
- struct gl_program *last = NULL;
- /* fixedfunc */
- if (prog->Id == 0)
- return true;
-
- /* shader info accurately set */
- if (prog->info.next_stage == MESA_SHADER_FRAGMENT)
- return true;
- if (prog->info.next_stage != MESA_SHADER_VERTEX)
- return false;
-
- /* check bound programs */
- if (ctx->GeometryProgram._Current)
- last = ctx->GeometryProgram._Current;
- else if (ctx->TessEvalProgram._Current)
- last = ctx->TessEvalProgram._Current;
- else
- last = ctx->VertexProgram._Current;
- if (last)
- return prog == last;
-
- /* assume this will be the last vertex stage;
- * at worst, another variant without psiz is created later
- */
- return true;
-}
-
/**
* Compile one shader variant.
*/
key.clamp_color = true;
}
- if (prog->Target == GL_VERTEX_PROGRAM_ARB ||
- prog->Target == GL_TESS_EVALUATION_PROGRAM_NV ||
- prog->Target == GL_GEOMETRY_PROGRAM_NV) {
- if (st->lower_point_size &&
- !st->ctx->VertexProgram.PointSizeEnabled &&
- st_can_add_pointsize_to_program(st, prog))
- key.export_point_size = is_last_vertex_stage(st->ctx, prog) &&
- (!prog->nir || !nir_find_variable_with_location(prog->nir, nir_var_shader_out, VARYING_SLOT_PSIZ));
- }
key.st = st->has_shareable_shaders ? NULL : st;
st_get_common_variant(st, prog, &key);
break;