diff options
Diffstat (limited to 'src/gallium/auxiliary/draw/draw_gs_tmp.h')
| -rw-r--r-- | src/gallium/auxiliary/draw/draw_gs_tmp.h | 186 |
1 files changed, 34 insertions, 152 deletions
diff --git a/src/gallium/auxiliary/draw/draw_gs_tmp.h b/src/gallium/auxiliary/draw/draw_gs_tmp.h index 7a8683cf7c..4a17af0dea 100644 --- a/src/gallium/auxiliary/draw/draw_gs_tmp.h +++ b/src/gallium/auxiliary/draw/draw_gs_tmp.h @@ -1,152 +1,34 @@ - -static void FUNC( struct draw_geometry_shader *shader, - const struct draw_prim_info *input_prims, - const struct draw_vertex_info *input_verts, - struct draw_prim_info *output_prims, - struct draw_vertex_info *output_verts) -{ - struct draw_context *draw = shader->draw; - - boolean flatfirst = (draw->rasterizer->flatshade && - draw->rasterizer->flatshade_first); - unsigned i, j; - unsigned count = input_prims->count; - 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( shader, i + 0 ); - } - break; - - case PIPE_PRIM_LINES: - for (i = 0; i+1 < count; i += 2) { - LINE( shader , i + 0 , i + 1 ); - } - break; - - case PIPE_PRIM_LINE_LOOP: - if (count >= 2) { - - for (i = 1; i < count; i++) { - LINE( shader, i - 1, i ); - } - - LINE( shader, i - 1, 0 ); - } - break; - - case PIPE_PRIM_LINE_STRIP: - for (i = 1; i < count; i++) { - LINE( shader, i - 1, i ); - } - break; - - case PIPE_PRIM_TRIANGLES: - for (i = 0; i+2 < count; i += 3) { - TRIANGLE( shader, i + 0, i + 1, i + 2 ); - } - break; - - case PIPE_PRIM_TRIANGLE_STRIP: - if (flatfirst) { - for (i = 0; i+2 < count; i++) { - TRIANGLE( shader, - i + 0, - i + 1 + (i&1), - i + 2 - (i&1) ); - } - } - else { - for (i = 0; i+2 < count; i++) { - TRIANGLE( shader, - i + 0 + (i&1), - i + 1 - (i&1), - i + 2 ); - } - } - break; - - case PIPE_PRIM_TRIANGLE_FAN: - if (count >= 3) { - if (flatfirst) { - for (i = 0; i+2 < count; i++) { - TRIANGLE( shader, - i + 1, - i + 2, - 0 ); - } - } - else { - for (i = 0; i+2 < count; i++) { - TRIANGLE( shader, - 0, - i + 1, - i + 2 ); - } - } - } - break; - - case PIPE_PRIM_POLYGON: - { - for (i = 0; i+2 < count; i++) { - - if (flatfirst) { - TRIANGLE( shader, 0, i + 1, i + 2 ); - } - else { - TRIANGLE( shader, i + 1, i + 2, 0 ); - } - } - } - break; - - case PIPE_PRIM_LINES_ADJACENCY: - for (i = 0; i+3 < count; i += 4) { - LINE_ADJ( shader , i + 0 , i + 1, i + 2, i + 3 ); - } - break; - case PIPE_PRIM_LINE_STRIP_ADJACENCY: - for (i = 1; i + 2 < count; i++) { - LINE_ADJ( shader, i - 1, i, i + 1, i + 2 ); - } - break; - - case PIPE_PRIM_TRIANGLES_ADJACENCY: - for (i = 0; i+5 < count; i += 5) { - TRI_ADJ( shader, i + 0, i + 1, i + 2, - i + 3, i + 4, i + 5); - } - break; - case PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY: - for (i = 0, j = 0; i+5 < count; i += 2, ++j) { - TRI_ADJ( shader, - i + 0, - i + 1 + 2*(j&1), - i + 2 + 2*(j&1), - i + 3 - 2*(j&1), - i + 4 - 2*(j&1), - i + 5); - } - break; - - default: - debug_assert(!"Unsupported primitive in geometry shader"); - break; - } -} - - -#undef TRIANGLE -#undef TRI_ADJ -#undef POINT -#undef LINE -#undef LINE_ADJ -#undef FUNC -#undef LOCAL_VARS +#define FUNC_VARS struct draw_geometry_shader *gs, \ + const struct draw_prim_info *input_prims, \ + const struct draw_vertex_info *input_verts, \ + struct draw_prim_info *output_prims, \ + struct draw_vertex_info *output_verts + +#define FUNC_ENTER \ + /* declare more local vars */ \ + struct draw_context *draw = gs->draw; \ + const unsigned prim = input_prims->prim; \ + const unsigned count = input_prims->count; \ + 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_QUADS: \ + case PIPE_PRIM_QUAD_STRIP: \ + case PIPE_PRIM_POLYGON: \ + debug_assert(!"unexpected primitive type in GS"); \ + return; \ + default: \ + break; \ + } \ + } while (0) \ + +#define POINT(i0) gs_point(gs,i0) +#define LINE(flags,i0,i1) gs_line(gs,i0,i1) +#define TRIANGLE(flags,i0,i1,i2) gs_tri(gs,i0,i1,i2) +#define LINE_ADJ(flags,i0,i1,i2,i3) gs_line_adj(gs,i0,i1,i2,i3) +#define TRIANGLE_ADJ(flags,i0,i1,i2,i3,i4,i5) gs_tri_adj(gs,i0,i1,i2,i3,i4,i5) + +#include "draw_decompose_tmp.h" |