diff options
Diffstat (limited to 'src/gallium/auxiliary/draw/draw_pt_decompose.h')
| -rw-r--r-- | src/gallium/auxiliary/draw/draw_pt_decompose.h | 199 |
1 files changed, 6 insertions, 193 deletions
diff --git a/src/gallium/auxiliary/draw/draw_pt_decompose.h b/src/gallium/auxiliary/draw/draw_pt_decompose.h index 52f9593d46..3127aad731 100644 --- a/src/gallium/auxiliary/draw/draw_pt_decompose.h +++ b/src/gallium/auxiliary/draw/draw_pt_decompose.h @@ -1,194 +1,7 @@ +#define LOCAL_VARS \ + char *verts = (char *) vertices; \ + const boolean last_vertex_last = \ + !(draw->rasterizer->flatshade && \ + draw->rasterizer->flatshade_first); - -static void FUNC( ARGS, - unsigned count ) -{ - LOCAL_VARS; - - switch (prim) { - case PIPE_PRIM_POINTS: - for (i = 0; i < count; i ++) { - POINT( (i + 0) ); - } - break; - - case PIPE_PRIM_LINES: - for (i = 0; i+1 < count; i += 2) { - LINE( DRAW_PIPE_RESET_STIPPLE, - (i + 0), - (i + 1)); - } - break; - - case PIPE_PRIM_LINE_LOOP: - if (count >= 2) { - flags = DRAW_PIPE_RESET_STIPPLE; - - for (i = 1; i < count; i++, flags = 0) { - LINE( flags, - (i - 1), - (i )); - } - - LINE( flags, - (i - 1), - (0 )); - } - break; - - case PIPE_PRIM_LINE_STRIP: - flags = DRAW_PIPE_RESET_STIPPLE; - for (i = 1; i < count; i++, flags = 0) { - LINE( flags, - (i - 1), - (i )); - } - break; - - case PIPE_PRIM_TRIANGLES: - for (i = 0; i+2 < count; i += 3) { - TRIANGLE( DRAW_PIPE_RESET_STIPPLE | DRAW_PIPE_EDGE_FLAG_ALL, - (i + 0), - (i + 1), - (i + 2 )); - } - break; - - case PIPE_PRIM_TRIANGLE_STRIP: - if (flatfirst) { - for (i = 0; i+2 < count; i++) { - /* Emit first triangle vertex as first triangle vertex */ - TRIANGLE( DRAW_PIPE_RESET_STIPPLE | DRAW_PIPE_EDGE_FLAG_ALL, - (i + 0), - (i + 1 + (i&1)), - (i + 2 - (i&1)) ); - } - } - else { - for (i = 0; i+2 < count; i++) { - /* Emit last triangle vertex as last triangle vertex */ - TRIANGLE( DRAW_PIPE_RESET_STIPPLE | DRAW_PIPE_EDGE_FLAG_ALL, - (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( DRAW_PIPE_RESET_STIPPLE | DRAW_PIPE_EDGE_FLAG_ALL, - (i + 1), - (i + 2), - 0 ); - } - } - else { - for (i = 0; i+2 < count; i++) { - TRIANGLE( DRAW_PIPE_RESET_STIPPLE | DRAW_PIPE_EDGE_FLAG_ALL, - (0), - (i + 1), - (i + 2 )); - } - } - } - break; - - - case PIPE_PRIM_QUADS: - /* GL quads don't follow provoking vertex convention */ - if (flatfirst) { - for (i = 0; i+3 < count; i += 4) { - /* emit last quad vertex as first triangle vertex */ - QUAD_FIRST_PV( (i + 3), - (i + 0), - (i + 1), - (i + 2) ); - } - } - else { - for (i = 0; i+3 < count; i += 4) { - /* emit last quad vertex as last triangle vertex */ - QUAD_LAST_PV( (i + 0), - (i + 1), - (i + 2), - (i + 3) ); - } - } - break; - - case PIPE_PRIM_QUAD_STRIP: - /* GL quad strips don't follow provoking vertex convention */ - if (flatfirst) { - for (i = 0; i+3 < count; i += 2) { - /* emit last quad vertex as first triangle vertex */ - QUAD_FIRST_PV( (i + 3), - (i + 2), - (i + 0), - (i + 1) ); - - } - } - else { - for (i = 0; i+3 < count; i += 2) { - /* emit last quad vertex as last triangle vertex */ - QUAD_LAST_PV( (i + 2), - (i + 0), - (i + 1), - (i + 3) ); - } - } - break; - - case PIPE_PRIM_POLYGON: - /* GL polygons don't follow provoking vertex convention */ - { - /* These bitflags look a little odd because we submit the - * vertices as (1,2,0) to satisfy flatshade requirements. - */ - const ushort edge_first = DRAW_PIPE_EDGE_FLAG_2; - const ushort edge_middle = DRAW_PIPE_EDGE_FLAG_0; - const ushort edge_last = DRAW_PIPE_EDGE_FLAG_1; - - flags = DRAW_PIPE_RESET_STIPPLE | edge_first | edge_middle; - - for (i = 0; i+2 < count; i++, flags = edge_middle) { - - if (i + 3 == count) - flags |= edge_last; - - if (flatfirst) { - /* emit first polygon vertex as first triangle vertex */ - TRIANGLE( flags, - (0), - (i + 1), - (i + 2) ); - } - else { - /* emit first polygon vertex as last triangle vertex */ - TRIANGLE( flags, - (i + 1), - (i + 2), - (0)); - } - } - } - break; - - default: - assert(0); - break; - } - - FLUSH; -} - - -#undef TRIANGLE -#undef QUAD_FIRST_PV -#undef QUAD_LAST_PV -#undef POINT -#undef LINE -#undef FUNC +#include "draw_decompose_tmp.h" |