diff options
Diffstat (limited to 'src/gallium/auxiliary/draw/draw_so_emit_tmp.h')
-rw-r--r-- | src/gallium/auxiliary/draw/draw_so_emit_tmp.h | 156 |
1 files changed, 33 insertions, 123 deletions
diff --git a/src/gallium/auxiliary/draw/draw_so_emit_tmp.h b/src/gallium/auxiliary/draw/draw_so_emit_tmp.h index 01212a8e53..6d8937a0b4 100644 --- a/src/gallium/auxiliary/draw/draw_so_emit_tmp.h +++ b/src/gallium/auxiliary/draw/draw_so_emit_tmp.h @@ -1,123 +1,33 @@ - -static void FUNC( struct pt_so_emit *so, - const struct draw_prim_info *input_prims, - const struct draw_vertex_info *input_verts, - unsigned start, - unsigned count) -{ - struct draw_context *draw = so->draw; - - boolean flatfirst = (draw->rasterizer->flatshade && - draw->rasterizer->flatshade_first); - unsigned i; - LOCAL_VARS - - if (0) debug_printf("%s %d\n", __FUNCTION__, count); - - debug_assert(input_prims->primitive_count == 1); - - switch (input_prims->prim) { - case PIPE_PRIM_POINTS: - for (i = 0; i < count; i++) { - POINT( so, start + i + 0 ); - } - break; - - case PIPE_PRIM_LINES: - for (i = 0; i+1 < count; i += 2) { - LINE( so , start + i + 0 , start + i + 1 ); - } - break; - - case PIPE_PRIM_LINE_LOOP: - if (count >= 2) { - - for (i = 1; i < count; i++) { - LINE( so, start + i - 1, start + i ); - } - - LINE( so, start + i - 1, start ); - } - break; - - case PIPE_PRIM_LINE_STRIP: - for (i = 1; i < count; i++) { - LINE( so, start + i - 1, start + i ); - } - break; - - case PIPE_PRIM_TRIANGLES: - for (i = 0; i+2 < count; i += 3) { - TRIANGLE( so, start + i + 0, start + i + 1, start + i + 2 ); - } - break; - - case PIPE_PRIM_TRIANGLE_STRIP: - if (flatfirst) { - for (i = 0; i+2 < count; i++) { - TRIANGLE( so, - start + i + 0, - start + i + 1 + (i&1), - start + i + 2 - (i&1) ); - } - } - else { - for (i = 0; i+2 < count; i++) { - TRIANGLE( so, - start + i + 0 + (i&1), - start + i + 1 - (i&1), - start + i + 2 ); - } - } - break; - - case PIPE_PRIM_TRIANGLE_FAN: - if (count >= 3) { - if (flatfirst) { - for (i = 0; i+2 < count; i++) { - TRIANGLE( so, - start + i + 1, - start + i + 2, - start ); - } - } - else { - for (i = 0; i+2 < count; i++) { - TRIANGLE( so, - start, - start + i + 1, - start + i + 2 ); - } - } - } - break; - - case PIPE_PRIM_POLYGON: - { - /* These bitflags look a little odd because we submit the - * vertices as (1,2,0) to satisfy flatshade requirements. - */ - - for (i = 0; i+2 < count; i++) { - - if (flatfirst) { - TRIANGLE( so, start + 0, start + i + 1, start + i + 2 ); - } - else { - TRIANGLE( so, start + i + 1, start + i + 2, start + 0 ); - } - } - } - break; - - default: - debug_assert(!"Unsupported primitive in stream output"); - break; - } -} - - -#undef TRIANGLE -#undef POINT -#undef LINE -#undef FUNC +#define FUNC_VARS \ + struct pt_so_emit *so, \ + const struct draw_prim_info *input_prims, \ + const struct draw_vertex_info *input_verts, \ + unsigned start, \ + unsigned count + +#define FUNC_ENTER \ + /* declare more local vars */ \ + struct draw_context *draw = so->draw; \ + const unsigned prim = input_prims->prim; \ + const boolean last_vertex_last = \ + !(draw->rasterizer->flatshade && \ + draw->rasterizer->flatshade_first); \ + do { \ + debug_assert(input_prims->primitive_count == 1); \ + switch (prim) { \ + case PIPE_PRIM_LINES_ADJACENCY: \ + case PIPE_PRIM_LINE_STRIP_ADJACENCY: \ + case PIPE_PRIM_TRIANGLES_ADJACENCY: \ + case PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY: \ + debug_assert(!"unexpected primitive type in stream output"); \ + return; \ + default: \ + break; \ + } \ + } while (0) \ + +#define POINT(i0) so_point(so,i0) +#define LINE(flags,i0,i1) so_line(so,i0,i1) +#define TRIANGLE(flags,i0,i1,i2) so_tri(so,i0,i1,i2) + +#include "draw_decompose_tmp.h" |