diff options
Diffstat (limited to 'src/mesa/softpipe/generic/g_state_setup.c')
-rw-r--r-- | src/mesa/softpipe/generic/g_state_setup.c | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/src/mesa/softpipe/generic/g_state_setup.c b/src/mesa/softpipe/generic/g_state_setup.c new file mode 100644 index 0000000000..2a5176c5a1 --- /dev/null +++ b/src/mesa/softpipe/generic/g_state_setup.c @@ -0,0 +1,122 @@ +/************************************************************************** + * + * Copyright 2003 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. + * + **************************************************************************/ + +#include "g_context.h" +#include "g_state.h" +#include "g_prim.h" + + + + +static void validate_prim_pipe( struct generic_context *generic ) +{ + struct prim_stage *next = generic->prim.setup; + + /* TODO: make the current primitive part of the state and build + * shorter pipelines for lines & points. + */ + if (generic->setup.fill_cw != FILL_TRI || + generic->setup.fill_ccw != FILL_TRI) { + + generic->prim.unfilled->next = next; + next = generic->prim.unfilled; + } + + if (generic->setup.offset_cw || + generic->setup.offset_ccw) { + generic->prim.offset->next = next; + next = generic->prim.offset; + } + + if (generic->setup.light_twoside) { + generic->prim.twoside->next = next; + next = generic->prim.twoside; + } + + /* Always run the cull stage as we calculate determinant there + * also. Fix this.. + */ + { + generic->prim.cull->next = next; + next = generic->prim.cull; + } + + + /* Clip stage + */ + { + generic->prim.clip->next = next; + next = generic->prim.clip; + } + + /* Do software flatshading prior to clipping. XXX: should only do + * this for clipped primitives, ie it is a part of the clip + * routine. + */ + if (generic->setup.flatshade) { + generic->prim.flatshade->next = next; + next = generic->prim.flatshade; + } + + + generic->prim.first = next; +} + + + + +void generic_set_setup_state( struct softpipe_context *softpipe, + const struct softpipe_setup_state *setup ) +{ + struct generic_context *generic = generic_context(softpipe); + + memcpy( &generic->setup, setup, sizeof(*setup) ); + + validate_prim_pipe( generic ); + generic->dirty |= G_NEW_SETUP; +} + + + +void generic_set_scissor_rect( struct softpipe_context *softpipe, + const struct softpipe_scissor_rect *scissor ) +{ + struct generic_context *generic = generic_context(softpipe); + + memcpy( &generic->scissor, scissor, sizeof(*scissor) ); + generic->dirty |= G_NEW_SCISSOR; +} + + +void generic_set_polygon_stipple( struct softpipe_context *softpipe, + const struct softpipe_poly_stipple *stipple ) +{ + struct generic_context *generic = generic_context(softpipe); + + memcpy( &generic->poly_stipple, stipple, sizeof(*stipple) ); + generic->dirty |= G_NEW_STIPPLE; +} |