diff options
Diffstat (limited to 'src/mesa/pipe/draw/draw_flatshade.c')
-rw-r--r-- | src/mesa/pipe/draw/draw_flatshade.c | 205 |
1 files changed, 0 insertions, 205 deletions
diff --git a/src/mesa/pipe/draw/draw_flatshade.c b/src/mesa/pipe/draw/draw_flatshade.c deleted file mode 100644 index 1419f287d2c..00000000000 --- a/src/mesa/pipe/draw/draw_flatshade.c +++ /dev/null @@ -1,205 +0,0 @@ -/************************************************************************** - * - * Copyright 2007 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. - * - **************************************************************************/ - -/* Authors: Keith Whitwell <[email protected]> - */ - -#include "pipe/p_util.h" -#include "pipe/p_shader_tokens.h" -#include "draw_private.h" - - -/** subclass of draw_stage */ -struct flat_stage -{ - struct draw_stage stage; - - uint num_color_attribs; - uint color_attribs[4]; /* front/back primary/secondary colors */ -}; - - -static INLINE struct flat_stage * -flat_stage(struct draw_stage *stage) -{ - return (struct flat_stage *) stage; -} - - -/** Copy all the color attributes from 'src' vertex to 'dst' vertex */ -static INLINE void copy_colors( struct draw_stage *stage, - struct vertex_header *dst, - const struct vertex_header *src ) -{ - const struct flat_stage *flat = flat_stage(stage); - uint i; - for (i = 0; i < flat->num_color_attribs; i++) { - const uint attr = flat->color_attribs[i]; - COPY_4FV(dst->data[attr], src->data[attr]); - } -} - - -/** Copy all the color attributes from src vertex to dst0 & dst1 vertices */ -static INLINE void copy_colors2( struct draw_stage *stage, - struct vertex_header *dst0, - struct vertex_header *dst1, - const struct vertex_header *src ) -{ - const struct flat_stage *flat = flat_stage(stage); - uint i; - for (i = 0; i < flat->num_color_attribs; i++) { - const uint attr = flat->color_attribs[i]; - COPY_4FV(dst0->data[attr], src->data[attr]); - COPY_4FV(dst1->data[attr], src->data[attr]); - } -} - - -/** - * Flatshade tri. Required for clipping and when unfilled tris are - * active, otherwise handled by hardware. - */ -static void flatshade_tri( struct draw_stage *stage, - struct prim_header *header ) -{ - struct prim_header tmp; - - tmp.det = header->det; - tmp.edgeflags = header->edgeflags; - tmp.v[0] = dup_vert(stage, header->v[0], 0); - tmp.v[1] = dup_vert(stage, header->v[1], 1); - tmp.v[2] = header->v[2]; - - copy_colors2(stage, tmp.v[0], tmp.v[1], tmp.v[2]); - - stage->next->tri( stage->next, &tmp ); -} - - -/** - * Flatshade line. Required for clipping. - */ -static void flatshade_line( struct draw_stage *stage, - struct prim_header *header ) -{ - struct prim_header tmp; - - tmp.v[0] = dup_vert(stage, header->v[0], 0); - tmp.v[1] = header->v[1]; - - copy_colors(stage, tmp.v[0], tmp.v[1]); - - stage->next->line( stage->next, &tmp ); -} - - -static void flatshade_point( struct draw_stage *stage, - struct prim_header *header ) -{ - stage->next->point( stage->next, header ); -} - - -static void flatshade_init_state( struct draw_stage *stage ) -{ - struct flat_stage *flat = flat_stage(stage); - const struct pipe_shader_state *vs = stage->draw->vertex_shader->state; - uint i; - - /* Find which vertex shader outputs are colors, make a list */ - flat->num_color_attribs = 0; - for (i = 0; i < vs->num_outputs; i++) { - if (vs->output_semantic_name[i] == TGSI_SEMANTIC_COLOR || - vs->output_semantic_name[i] == TGSI_SEMANTIC_BCOLOR) { - flat->color_attribs[flat->num_color_attribs++] = i; - } - } - - stage->line = flatshade_line; - stage->tri = flatshade_tri; -} - -static void flatshade_first_tri( struct draw_stage *stage, - struct prim_header *header ) -{ - flatshade_init_state( stage ); - stage->tri( stage, header ); -} - -static void flatshade_first_line( struct draw_stage *stage, - struct prim_header *header ) -{ - flatshade_init_state( stage ); - stage->line( stage, header ); -} - - -static void flatshade_flush( struct draw_stage *stage, - unsigned flags ) -{ - stage->tri = flatshade_first_tri; - stage->line = flatshade_first_line; - stage->next->flush( stage->next, flags ); -} - - -static void flatshade_reset_stipple_counter( struct draw_stage *stage ) -{ - stage->next->reset_stipple_counter( stage->next ); -} - - -static void flatshade_destroy( struct draw_stage *stage ) -{ - draw_free_tmps( stage ); - FREE( stage ); -} - - -/** - * Create flatshading drawing stage. - */ -struct draw_stage *draw_flatshade_stage( struct draw_context *draw ) -{ - struct flat_stage *flatshade = CALLOC_STRUCT(flat_stage); - - draw_alloc_tmps( &flatshade->stage, 2 ); - - flatshade->stage.draw = draw; - flatshade->stage.next = NULL; - flatshade->stage.point = flatshade_point; - flatshade->stage.line = flatshade_first_line; - flatshade->stage.tri = flatshade_first_tri; - flatshade->stage.flush = flatshade_flush; - flatshade->stage.reset_stipple_counter = flatshade_reset_stipple_counter; - flatshade->stage.destroy = flatshade_destroy; - - return &flatshade->stage; -} - - |