diff options
Diffstat (limited to 'src/gallium/auxiliary/draw/draw_gs.h')
| -rw-r--r-- | src/gallium/auxiliary/draw/draw_gs.h | 36 |
1 files changed, 25 insertions, 11 deletions
diff --git a/src/gallium/auxiliary/draw/draw_gs.h b/src/gallium/auxiliary/draw/draw_gs.h index d8eb2103433..67bc1aa73ff 100644 --- a/src/gallium/auxiliary/draw/draw_gs.h +++ b/src/gallium/auxiliary/draw/draw_gs.h @@ -1,6 +1,6 @@ /************************************************************************** * - * Copyright 2009 VMWare Inc. + * Copyright 2009 VMware, Inc. * All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a @@ -54,23 +54,37 @@ struct draw_geometry_shader { unsigned input_primitive; unsigned output_primitive; - /* Extracted from shader: - */ - const float (*immediates)[4]; + unsigned *primitive_lengths; + unsigned emitted_vertices; + unsigned emitted_primitives; + + float (*tmp_output)[4]; + unsigned vertex_size; + + unsigned in_prim_idx; + unsigned input_vertex_stride; + const float (*input)[4]; }; -void draw_geometry_shader_run(struct draw_geometry_shader *shader, - const float (*input)[4], - float (*output)[4], - const void *constants[PIPE_MAX_CONSTANT_BUFFERS], - unsigned count, - unsigned input_stride, - unsigned output_stride); +/* + * Returns the number of vertices emitted. + * The vertex shader can emit any number of vertices as long as it's + * smaller than the GS_MAX_OUTPUT_VERTICES shader property. + */ +int draw_geometry_shader_run(struct draw_geometry_shader *shader, + const void *constants[PIPE_MAX_CONSTANT_BUFFERS], + const unsigned constants_size[PIPE_MAX_CONSTANT_BUFFERS], + const struct draw_vertex_info *input_verts, + const struct draw_prim_info *input_prim, + struct draw_vertex_info *output_verts, + struct draw_prim_info *output_prims ); void draw_geometry_shader_prepare(struct draw_geometry_shader *shader, struct draw_context *draw); void draw_geometry_shader_delete(struct draw_geometry_shader *shader); +int draw_gs_max_output_vertices(struct draw_geometry_shader *shader, + unsigned pipe_prim); #endif |