diff options
Diffstat (limited to 'src/mesa/pipe/softpipe/sp_state_derived.c')
-rw-r--r-- | src/mesa/pipe/softpipe/sp_state_derived.c | 190 |
1 files changed, 0 insertions, 190 deletions
diff --git a/src/mesa/pipe/softpipe/sp_state_derived.c b/src/mesa/pipe/softpipe/sp_state_derived.c deleted file mode 100644 index 39c3e1afe1..0000000000 --- a/src/mesa/pipe/softpipe/sp_state_derived.c +++ /dev/null @@ -1,190 +0,0 @@ -/************************************************************************** - * - * 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 "pipe/p_util.h" -#include "pipe/p_shader_tokens.h" -#include "pipe/draw/draw_context.h" -#include "pipe/draw/draw_vertex.h" -#include "pipe/draw/draw_private.h" -#include "sp_context.h" -#include "sp_state.h" - - -static int -find_vs_output(const struct pipe_shader_state *vs, - uint semantic_name, - uint semantic_index) -{ - uint i; - for (i = 0; i < vs->num_outputs; i++) { - if (vs->output_semantic_name[i] == semantic_name && - vs->output_semantic_index[i] == semantic_index) - return i; - } - return -1; -} - - - -/** - * Determine how to map vertex program outputs to fragment program inputs. - * Basically, this will be used when computing the triangle interpolation - * coefficients from the post-transform vertex attributes. - */ -static void calculate_vertex_layout( struct softpipe_context *softpipe ) -{ - const struct pipe_shader_state *vs = &softpipe->vs->shader; - const struct pipe_shader_state *fs = &softpipe->fs->shader; - const enum interp_mode colorInterp - = softpipe->rasterizer->flatshade ? INTERP_CONSTANT : INTERP_LINEAR; - struct vertex_info *vinfo = &softpipe->vertex_info; - uint i; - - if (softpipe->vbuf) { - /* if using the post-transform vertex buffer, tell draw_vbuf to - * simply emit the whole post-xform vertex as-is: - */ - struct vertex_info *vinfo_vbuf = &softpipe->vertex_info_vbuf; - vinfo_vbuf->num_attribs = 0; - draw_emit_vertex_attr(vinfo_vbuf, EMIT_ALL, INTERP_NONE, 0); - vinfo_vbuf->size = 4 * vs->num_outputs + sizeof(struct vertex_header)/4; - } - - /* - * Loop over fragment shader inputs, searching for the matching output - * from the vertex shader. - */ - vinfo->num_attribs = 0; - for (i = 0; i < fs->num_inputs; i++) { - int src; - switch (fs->input_semantic_name[i]) { - case TGSI_SEMANTIC_POSITION: - src = find_vs_output(vs, TGSI_SEMANTIC_POSITION, 0); - assert(src >= 0); - draw_emit_vertex_attr(vinfo, EMIT_4F, INTERP_POS, src); - break; - - case TGSI_SEMANTIC_COLOR: - src = find_vs_output(vs, TGSI_SEMANTIC_COLOR, - fs->input_semantic_index[i]); - assert(src >= 0); - draw_emit_vertex_attr(vinfo, EMIT_4F, colorInterp, src); - break; - - case TGSI_SEMANTIC_FOG: - src = find_vs_output(vs, TGSI_SEMANTIC_FOG, 0); -#if 1 - if (src < 0) /* XXX temp hack, try demos/fogcoord.c with this */ - src = 0; -#endif - assert(src >= 0); - draw_emit_vertex_attr(vinfo, EMIT_4F, INTERP_PERSPECTIVE, src); - break; - - case TGSI_SEMANTIC_GENERIC: - /* this includes texcoords and varying vars */ - src = find_vs_output(vs, TGSI_SEMANTIC_GENERIC, - fs->input_semantic_index[i]); - assert(src >= 0); - draw_emit_vertex_attr(vinfo, EMIT_4F, INTERP_PERSPECTIVE, src); - break; - - default: - assert(0); - } - } - - softpipe->psize_slot = find_vs_output(vs, TGSI_SEMANTIC_PSIZE, 0); - if (softpipe->psize_slot >= 0) { - draw_emit_vertex_attr(vinfo, EMIT_4F, INTERP_CONSTANT, - softpipe->psize_slot); - } - - draw_compute_vertex_size(vinfo); -} - - -/** - * Recompute cliprect from scissor bounds, scissor enable and surface size. - */ -static void -compute_cliprect(struct softpipe_context *sp) -{ - unsigned surfWidth, surfHeight; - - if (sp->framebuffer.num_cbufs > 0) { - surfWidth = sp->framebuffer.cbufs[0]->width; - surfHeight = sp->framebuffer.cbufs[0]->height; - } - else { - /* no surface? */ - surfWidth = sp->scissor.maxx; - surfHeight = sp->scissor.maxy; - } - - if (sp->rasterizer->scissor) { - /* clip to scissor rect */ - sp->cliprect.minx = MAX2(sp->scissor.minx, 0); - sp->cliprect.miny = MAX2(sp->scissor.miny, 0); - sp->cliprect.maxx = MIN2(sp->scissor.maxx, surfWidth); - sp->cliprect.maxy = MIN2(sp->scissor.maxy, surfHeight); - } - else { - /* clip to surface bounds */ - sp->cliprect.minx = 0; - sp->cliprect.miny = 0; - sp->cliprect.maxx = surfWidth; - sp->cliprect.maxy = surfHeight; - } -} - - -/* Hopefully this will remain quite simple, otherwise need to pull in - * something like the state tracker mechanism. - */ -void softpipe_update_derived( struct softpipe_context *softpipe ) -{ - if (softpipe->dirty & (SP_NEW_RASTERIZER | - SP_NEW_FS | - SP_NEW_VS)) - calculate_vertex_layout( softpipe ); - - if (softpipe->dirty & (SP_NEW_SCISSOR | - SP_NEW_DEPTH_STENCIL_ALPHA | - SP_NEW_FRAMEBUFFER)) - compute_cliprect(softpipe); - - if (softpipe->dirty & (SP_NEW_BLEND | - SP_NEW_DEPTH_STENCIL_ALPHA | - SP_NEW_FRAMEBUFFER | - SP_NEW_RASTERIZER | - SP_NEW_FS | - SP_NEW_QUERY)) - sp_build_quad_pipeline(softpipe); - - softpipe->dirty = 0; -} |