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author | marha <marha@users.sourceforge.net> | 2011-06-03 08:18:04 +0200 |
---|---|---|
committer | marha <marha@users.sourceforge.net> | 2011-06-03 08:18:04 +0200 |
commit | cda19b1d226d565f1ca4327aeae827c621b3dfd6 (patch) | |
tree | 8a511d718c888b17c257a905607068613359f9a6 /mesalib/src/gallium/auxiliary/util/u_prim.h | |
parent | 4d7ec99788d8a1d56ff4bccea279ae8186b18cdc (diff) | |
download | vcxsrv-cda19b1d226d565f1ca4327aeae827c621b3dfd6.tar.gz vcxsrv-cda19b1d226d565f1ca4327aeae827c621b3dfd6.tar.bz2 vcxsrv-cda19b1d226d565f1ca4327aeae827c621b3dfd6.zip |
xserver xkeyboard-config mesa git update 3 Jun 2011
Diffstat (limited to 'mesalib/src/gallium/auxiliary/util/u_prim.h')
-rw-r--r-- | mesalib/src/gallium/auxiliary/util/u_prim.h | 445 |
1 files changed, 211 insertions, 234 deletions
diff --git a/mesalib/src/gallium/auxiliary/util/u_prim.h b/mesalib/src/gallium/auxiliary/util/u_prim.h index 519820e1b..ca7c67d7c 100644 --- a/mesalib/src/gallium/auxiliary/util/u_prim.h +++ b/mesalib/src/gallium/auxiliary/util/u_prim.h @@ -1,234 +1,211 @@ -/**************************************************************************
- *
- * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sub license, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial portions
- * of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
- * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
- * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- **************************************************************************/
-
-
-#ifndef U_BLIT_H
-#define U_BLIT_H
-
-
-#include "pipe/p_defines.h"
-#include "util/u_debug.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-static INLINE boolean u_validate_pipe_prim( unsigned pipe_prim, unsigned nr )
-{
- boolean ok = TRUE;
-
- switch (pipe_prim) {
- case PIPE_PRIM_POINTS:
- ok = (nr >= 1);
- break;
- case PIPE_PRIM_LINES:
- ok = (nr >= 2);
- break;
- case PIPE_PRIM_LINE_STRIP:
- case PIPE_PRIM_LINE_LOOP:
- ok = (nr >= 2);
- break;
- case PIPE_PRIM_TRIANGLES:
- ok = (nr >= 3);
- break;
- case PIPE_PRIM_TRIANGLE_STRIP:
- case PIPE_PRIM_TRIANGLE_FAN:
- case PIPE_PRIM_POLYGON:
- ok = (nr >= 3);
- break;
- case PIPE_PRIM_QUADS:
- ok = (nr >= 4);
- break;
- case PIPE_PRIM_QUAD_STRIP:
- ok = (nr >= 4);
- break;
- default:
- ok = 0;
- break;
- }
-
- return ok;
-}
-
-
-static INLINE boolean u_trim_pipe_prim( unsigned pipe_prim, unsigned *nr )
-{
- boolean ok = TRUE;
-
- switch (pipe_prim) {
- case PIPE_PRIM_POINTS:
- ok = (*nr >= 1);
- break;
- case PIPE_PRIM_LINES:
- ok = (*nr >= 2);
- *nr -= (*nr % 2);
- break;
- case PIPE_PRIM_LINE_STRIP:
- case PIPE_PRIM_LINE_LOOP:
- ok = (*nr >= 2);
- break;
- case PIPE_PRIM_TRIANGLES:
- ok = (*nr >= 3);
- *nr -= (*nr % 3);
- break;
- case PIPE_PRIM_TRIANGLE_STRIP:
- case PIPE_PRIM_TRIANGLE_FAN:
- case PIPE_PRIM_POLYGON:
- ok = (*nr >= 3);
- break;
- case PIPE_PRIM_QUADS:
- ok = (*nr >= 4);
- *nr -= (*nr % 4);
- break;
- case PIPE_PRIM_QUAD_STRIP:
- ok = (*nr >= 4);
- *nr -= (*nr % 2);
- break;
- case PIPE_PRIM_LINES_ADJACENCY:
- ok = (*nr >= 4);
- *nr -= (*nr % 4);
- break;
- case PIPE_PRIM_LINE_STRIP_ADJACENCY:
- ok = (*nr >= 4);
- break;
- case PIPE_PRIM_TRIANGLES_ADJACENCY:
- ok = (*nr >= 6);
- *nr -= (*nr % 5);
- break;
- case PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY:
- ok = (*nr >= 4);
- break;
- default:
- ok = 0;
- break;
- }
-
- if (!ok)
- *nr = 0;
-
- return ok;
-}
-
-
-static INLINE unsigned u_reduced_prim( unsigned pipe_prim )
-{
- switch (pipe_prim) {
- case PIPE_PRIM_POINTS:
- return PIPE_PRIM_POINTS;
-
- case PIPE_PRIM_LINES:
- case PIPE_PRIM_LINE_STRIP:
- case PIPE_PRIM_LINE_LOOP:
- return PIPE_PRIM_LINES;
-
- default:
- return PIPE_PRIM_TRIANGLES;
- }
-}
-
-static INLINE unsigned
-u_vertices_per_prim(int primitive)
-{
- switch(primitive) {
- case PIPE_PRIM_POINTS:
- return 1;
- case PIPE_PRIM_LINES:
- case PIPE_PRIM_LINE_LOOP:
- case PIPE_PRIM_LINE_STRIP:
- return 2;
- case PIPE_PRIM_TRIANGLES:
- case PIPE_PRIM_TRIANGLE_STRIP:
- case PIPE_PRIM_TRIANGLE_FAN:
- return 3;
- case PIPE_PRIM_LINES_ADJACENCY:
- case PIPE_PRIM_LINE_STRIP_ADJACENCY:
- return 4;
- case PIPE_PRIM_TRIANGLES_ADJACENCY:
- case PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY:
- return 6;
-
- /* following primitives should never be used
- * with geometry shaders abd their size is
- * undefined */
- case PIPE_PRIM_POLYGON:
- case PIPE_PRIM_QUADS:
- case PIPE_PRIM_QUAD_STRIP:
- default:
- debug_printf("Unrecognized geometry shader primitive");
- return 3;
- }
-}
-
-/**
- * Returns the number of decomposed primitives for the given
- * vertex count.
- * Geometry shader is invoked once for each triangle in
- * triangle strip, triangle fans and triangles and once
- * for each line in line strip, line loop, lines.
- */
-static INLINE unsigned
-u_gs_prims_for_vertices(int primitive, int vertices)
-{
- switch(primitive) {
- case PIPE_PRIM_POINTS:
- return vertices;
- case PIPE_PRIM_LINES:
- return vertices / 2;
- case PIPE_PRIM_LINE_LOOP:
- return vertices;
- case PIPE_PRIM_LINE_STRIP:
- return vertices - 1;
- case PIPE_PRIM_TRIANGLES:
- return vertices / 3;
- case PIPE_PRIM_TRIANGLE_STRIP:
- return vertices - 2;
- case PIPE_PRIM_TRIANGLE_FAN:
- return vertices - 2;
- case PIPE_PRIM_LINES_ADJACENCY:
- return vertices / 2;
- case PIPE_PRIM_LINE_STRIP_ADJACENCY:
- return vertices - 1;
- case PIPE_PRIM_TRIANGLES_ADJACENCY:
- return vertices / 3;
- case PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY:
- return vertices - 2;
-
- /* following primitives should never be used
- * with geometry shaders abd their size is
- * undefined */
- case PIPE_PRIM_POLYGON:
- case PIPE_PRIM_QUADS:
- case PIPE_PRIM_QUAD_STRIP:
- default:
- debug_printf("Unrecognized geometry shader primitive");
- return 3;
- }
-}
-
-const char *u_prim_name( unsigned pipe_prim );
-
-#endif
+/************************************************************************** + * + * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + +#ifndef U_BLIT_H +#define U_BLIT_H + + +#include "pipe/p_defines.h" +#include "util/u_debug.h" + +#ifdef __cplusplus +extern "C" { +#endif + +static INLINE boolean u_validate_pipe_prim( unsigned pipe_prim, unsigned nr ) +{ + boolean ok = TRUE; + + switch (pipe_prim) { + case PIPE_PRIM_POINTS: + ok = (nr >= 1); + break; + case PIPE_PRIM_LINES: + ok = (nr >= 2); + break; + case PIPE_PRIM_LINE_STRIP: + case PIPE_PRIM_LINE_LOOP: + ok = (nr >= 2); + break; + case PIPE_PRIM_TRIANGLES: + ok = (nr >= 3); + break; + case PIPE_PRIM_TRIANGLE_STRIP: + case PIPE_PRIM_TRIANGLE_FAN: + case PIPE_PRIM_POLYGON: + ok = (nr >= 3); + break; + case PIPE_PRIM_QUADS: + ok = (nr >= 4); + break; + case PIPE_PRIM_QUAD_STRIP: + ok = (nr >= 4); + break; + default: + ok = 0; + break; + } + + return ok; +} + + +static INLINE boolean u_trim_pipe_prim( unsigned pipe_prim, unsigned *nr ) +{ + boolean ok = TRUE; + const static int values[][2] = { + { 1, 0 }, /* PIPE_PRIM_POINTS */ + { 2, 2 }, /* PIPE_PRIM_LINES */ + { 2, 0 }, /* PIPE_PRIM_LINE_LOOP */ + { 2, 0 }, /* PIPE_PRIM_LINE_STRIP */ + { 3, 3 }, /* PIPE_PRIM_TRIANGLES */ + { 3, 0 }, /* PIPE_PRIM_TRIANGLE_STRIP */ + { 3, 0 }, /* PIPE_PRIM_TRIANGLE_FAN */ + { 4, 4 }, /* PIPE_PRIM_TRIANGLE_QUADS */ + { 4, 2 }, /* PIPE_PRIM_TRIANGLE_QUAD_STRIP */ + { 3, 0 }, /* PIPE_PRIM_TRIANGLE_POLYGON */ + { 4, 4 }, /* PIPE_PRIM_LINES_ADJACENCY */ + { 4, 0 }, /* PIPE_PRIM_LINE_STRIP_ADJACENCY */ + { 6, 5 }, /* PIPE_PRIM_TRIANGLES_ADJACENCY */ + { 4, 0 }, /* PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY */ + }; + + if (unlikely(pipe_prim >= PIPE_PRIM_MAX)) { + *nr = 0; + return FALSE; + } + + ok = (*nr >= values[pipe_prim][0]); + if (values[pipe_prim][1]) + *nr -= (*nr % values[pipe_prim][1]); + + if (!ok) + *nr = 0; + + return ok; +} + + +static INLINE unsigned u_reduced_prim( unsigned pipe_prim ) +{ + switch (pipe_prim) { + case PIPE_PRIM_POINTS: + return PIPE_PRIM_POINTS; + + case PIPE_PRIM_LINES: + case PIPE_PRIM_LINE_STRIP: + case PIPE_PRIM_LINE_LOOP: + return PIPE_PRIM_LINES; + + default: + return PIPE_PRIM_TRIANGLES; + } +} + +static INLINE unsigned +u_vertices_per_prim(int primitive) +{ + switch(primitive) { + case PIPE_PRIM_POINTS: + return 1; + case PIPE_PRIM_LINES: + case PIPE_PRIM_LINE_LOOP: + case PIPE_PRIM_LINE_STRIP: + return 2; + case PIPE_PRIM_TRIANGLES: + case PIPE_PRIM_TRIANGLE_STRIP: + case PIPE_PRIM_TRIANGLE_FAN: + return 3; + case PIPE_PRIM_LINES_ADJACENCY: + case PIPE_PRIM_LINE_STRIP_ADJACENCY: + return 4; + case PIPE_PRIM_TRIANGLES_ADJACENCY: + case PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY: + return 6; + + /* following primitives should never be used + * with geometry shaders abd their size is + * undefined */ + case PIPE_PRIM_POLYGON: + case PIPE_PRIM_QUADS: + case PIPE_PRIM_QUAD_STRIP: + default: + debug_printf("Unrecognized geometry shader primitive"); + return 3; + } +} + +/** + * Returns the number of decomposed primitives for the given + * vertex count. + * Geometry shader is invoked once for each triangle in + * triangle strip, triangle fans and triangles and once + * for each line in line strip, line loop, lines. + */ +static INLINE unsigned +u_gs_prims_for_vertices(int primitive, int vertices) +{ + switch(primitive) { + case PIPE_PRIM_POINTS: + return vertices; + case PIPE_PRIM_LINES: + return vertices / 2; + case PIPE_PRIM_LINE_LOOP: + return vertices; + case PIPE_PRIM_LINE_STRIP: + return vertices - 1; + case PIPE_PRIM_TRIANGLES: + return vertices / 3; + case PIPE_PRIM_TRIANGLE_STRIP: + return vertices - 2; + case PIPE_PRIM_TRIANGLE_FAN: + return vertices - 2; + case PIPE_PRIM_LINES_ADJACENCY: + return vertices / 2; + case PIPE_PRIM_LINE_STRIP_ADJACENCY: + return vertices - 1; + case PIPE_PRIM_TRIANGLES_ADJACENCY: + return vertices / 3; + case PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY: + return vertices - 2; + + /* following primitives should never be used + * with geometry shaders abd their size is + * undefined */ + case PIPE_PRIM_POLYGON: + case PIPE_PRIM_QUADS: + case PIPE_PRIM_QUAD_STRIP: + default: + debug_printf("Unrecognized geometry shader primitive"); + return 3; + } +} + +const char *u_prim_name( unsigned pipe_prim ); + +#endif |