+++ /dev/null
-/*
- Copyright (C) Intel Corp. 2006. All Rights Reserved.
- Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to
- develop this 3D driver.
-
- 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, sublicense, 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 NONINFRINGEMENT.
- IN NO EVENT SHALL THE COPYRIGHT OWNER(S) 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 <keith@tungstengraphics.com>
- */
-
-
-#include "brw_defines.h"
-#include "brw_context.h"
-#include "brw_eu.h"
-#include "brw_util.h"
-#include "brw_sf.h"
-#include "brw_state.h"
-#include "tgsi/tgsi_parse.h"
-
-
-static void compile_sf_prog( struct brw_context *brw,
- struct brw_sf_prog_key *key )
-{
- struct brw_sf_compile c;
- const unsigned *program;
- unsigned program_size;
-
- memset(&c, 0, sizeof(c));
-
- /* Begin the compilation:
- */
- brw_init_compile(&c.func);
-
- c.key = *key;
-
-
- c.nr_attrs = c.key.vp_output_count;
- c.nr_attr_regs = (c.nr_attrs+1)/2;
-
- c.nr_setup_attrs = c.key.fp_input_count + 1; /* +1 for position */
- c.nr_setup_regs = (c.nr_setup_attrs+1)/2;
-
- c.prog_data.urb_read_length = c.nr_attr_regs;
- c.prog_data.urb_entry_size = c.nr_setup_regs * 2;
-
-
- /* Which primitive? Or all three?
- */
- switch (key->primitive) {
- case SF_TRIANGLES:
- c.nr_verts = 3;
- brw_emit_tri_setup( &c );
- break;
- case SF_LINES:
- c.nr_verts = 2;
- brw_emit_line_setup( &c );
- break;
- case SF_POINTS:
- c.nr_verts = 1;
- brw_emit_point_setup( &c );
- break;
-
- case SF_UNFILLED_TRIS:
- default:
- assert(0);
- return;
- }
-
-
-
- /* get the program
- */
- program = brw_get_program(&c.func, &program_size);
-
- /* Upload
- */
- brw->sf.prog_gs_offset = brw_upload_cache( &brw->cache[BRW_SF_PROG],
- &c.key,
- sizeof(c.key),
- program,
- program_size,
- &c.prog_data,
- &brw->sf.prog_data );
-}
-
-
-static boolean search_cache( struct brw_context *brw,
- struct brw_sf_prog_key *key )
-{
- return brw_search_cache(&brw->cache[BRW_SF_PROG],
- key, sizeof(*key),
- &brw->sf.prog_data,
- &brw->sf.prog_gs_offset);
-}
-
-
-/* Calculate interpolants for triangle and line rasterization.
- */
-static void upload_sf_prog( struct brw_context *brw )
-{
- const struct brw_fragment_program *fs = brw->attribs.FragmentProgram;
- struct brw_sf_prog_key key;
- struct tgsi_parse_context parse;
- int i, done = 0;
-
-
- memset(&key, 0, sizeof(key));
-
- /* Populate the key, noting state dependencies:
- */
- /* CACHE_NEW_VS_PROG */
- key.vp_output_count = brw->vs.prog_data->outputs_written;
-
- /* BRW_NEW_FS */
- key.fp_input_count = brw->attribs.FragmentProgram->info.file_max[TGSI_FILE_INPUT] + 1;
-
-
- /* BRW_NEW_REDUCED_PRIMITIVE */
- switch (brw->reduced_primitive) {
- case PIPE_PRIM_TRIANGLES:
-// if (key.attrs & (1<<VERT_RESULT_EDGE))
-// key.primitive = SF_UNFILLED_TRIS;
-// else
- key.primitive = SF_TRIANGLES;
- break;
- case PIPE_PRIM_LINES:
- key.primitive = SF_LINES;
- break;
- case PIPE_PRIM_POINTS:
- key.primitive = SF_POINTS;
- break;
- }
-
-
-
- /* Scan fp inputs to figure out what interpolation modes are
- * required for each incoming vp output. There is an assumption
- * that the state tracker makes sure there is a 1:1 linkage between
- * these sets of attributes (XXX: position??)
- */
- tgsi_parse_init( &parse, fs->program.tokens );
- while( !done &&
- !tgsi_parse_end_of_tokens( &parse ) )
- {
- tgsi_parse_token( &parse );
-
- switch( parse.FullToken.Token.Type ) {
- case TGSI_TOKEN_TYPE_DECLARATION:
- if (parse.FullToken.FullDeclaration.Declaration.File == TGSI_FILE_INPUT)
- {
- int first = parse.FullToken.FullDeclaration.DeclarationRange.First;
- int last = parse.FullToken.FullDeclaration.DeclarationRange.Last;
- int interp_mode = parse.FullToken.FullDeclaration.Declaration.Interpolate;
- //int semantic = parse.FullToken.FullDeclaration.Semantic.SemanticName;
- //int semantic_index = parse.FullToken.FullDeclaration.Semantic.SemanticIndex;
-
- debug_printf("fs input %d..%d interp mode %d\n", first, last, interp_mode);
-
- switch (interp_mode) {
- case TGSI_INTERPOLATE_CONSTANT:
- for (i = first; i <= last; i++)
- key.const_mask |= (1 << i);
- break;
- case TGSI_INTERPOLATE_LINEAR:
- for (i = first; i <= last; i++)
- key.linear_mask |= (1 << i);
- break;
- case TGSI_INTERPOLATE_PERSPECTIVE:
- for (i = first; i <= last; i++)
- key.persp_mask |= (1 << i);
- break;
- default:
- break;
- }
-
- /* Also need stuff for flat shading, twosided color.
- */
-
- }
- break;
- default:
- done = 1;
- break;
- }
- }
-
- /* Hack: Adjust for position. Optimize away when not required (ie
- * for perspective interpolation).
- */
- key.persp_mask <<= 1;
- key.linear_mask <<= 1;
- key.linear_mask |= 1;
- key.const_mask <<= 1;
-
- debug_printf("key.persp_mask: %x\n", key.persp_mask);
- debug_printf("key.linear_mask: %x\n", key.linear_mask);
- debug_printf("key.const_mask: %x\n", key.const_mask);
-
-
-// key.do_point_sprite = brw->attribs.Point->PointSprite;
-// key.SpriteOrigin = brw->attribs.Point->SpriteOrigin;
-
-// key.do_flat_shading = (brw->attribs.Raster->flatshade);
-// key.do_twoside_color = (brw->attribs.Light->Enabled && brw->attribs.Light->Model.TwoSide);
-
-// if (key.do_twoside_color)
-// key.frontface_ccw = (brw->attribs.Polygon->FrontFace == GL_CCW);
-
-
- if (!search_cache(brw, &key))
- compile_sf_prog( brw, &key );
-}
-
-
-const struct brw_tracked_state brw_sf_prog = {
- .dirty = {
- .brw = (BRW_NEW_RASTERIZER |
- BRW_NEW_REDUCED_PRIMITIVE |
- BRW_NEW_VS |
- BRW_NEW_FS),
- .cache = 0,
- },
- .update = upload_sf_prog
-};
-
-
-
-#if 0
-/* Build a struct like the one we'd like the state tracker to pass to
- * us.
- */
-static void update_sf_linkage( struct brw_context *brw )
-{
- const struct brw_vertex_program *vs = brw->attribs.VertexProgram;
- const struct brw_fragment_program *fs = brw->attribs.FragmentProgram;
- struct pipe_setup_linkage state;
- struct tgsi_parse_context parse;
-
- int i, j;
- int nr_vp_outputs = 0;
- int done = 0;
-
- struct {
- unsigned semantic:8;
- unsigned semantic_index:16;
- } fp_semantic[32], vp_semantic[32];
-
- memset(&state, 0, sizeof(state));
-
- state.fp_input_count = 0;
-
-
-
-
-
-
- assert(state.fp_input_count == fs->program.num_inputs);
-
-
- /* Then scan vp outputs
- */
- done = 0;
- tgsi_parse_init( &parse, vs->program.tokens );
- while( !done &&
- !tgsi_parse_end_of_tokens( &parse ) )
- {
- tgsi_parse_token( &parse );
-
- switch( parse.FullToken.Token.Type ) {
- case TGSI_TOKEN_TYPE_DECLARATION:
- if (parse.FullToken.FullDeclaration.Declaration.File == TGSI_FILE_INPUT)
- {
- int first = parse.FullToken.FullDeclaration.DeclarationRange.First;
- int last = parse.FullToken.FullDeclaration.DeclarationRange.Last;
-
- for (i = first; i < last; i++) {
- vp_semantic[i].semantic =
- parse.FullToken.FullDeclaration.Semantic.SemanticName;
- vp_semantic[i].semantic_index =
- parse.FullToken.FullDeclaration.Semantic.SemanticIndex;
- }
-
- assert(last > nr_vp_outputs);
- nr_vp_outputs = last;
- }
- break;
- default:
- done = 1;
- break;
- }
- }
-
-
- /* Now match based on semantic information.
- */
- for (i = 0; i< state.fp_input_count; i++) {
- for (j = 0; j < nr_vp_outputs; j++) {
- if (fp_semantic[i].semantic == vp_semantic[j].semantic &&
- fp_semantic[i].semantic_index == vp_semantic[j].semantic_index) {
- state.fp_input[i].vp_output = j;
- }
- }
- if (fp_semantic[i].semantic == TGSI_SEMANTIC_COLOR) {
- for (j = 0; j < nr_vp_outputs; j++) {
- if (TGSI_SEMANTIC_BCOLOR == vp_semantic[j].semantic &&
- fp_semantic[i].semantic_index == vp_semantic[j].semantic_index) {
- state.fp_input[i].bf_vp_output = j;
- }
- }
- }
- }
-
- if (memcmp(&brw->sf.linkage, &state, sizeof(state)) != 0) {
- brw->sf.linkage = state;
- brw->state.dirty.brw |= BRW_NEW_SF_LINKAGE;
- }
-}
-
-
-const struct brw_tracked_state brw_sf_linkage = {
- .dirty = {
- .brw = (BRW_NEW_VS |
- BRW_NEW_FS),
- .cache = 0,
- },
- .update = update_sf_linkage
-};
-
-
-#endif
projects / mesa.git / blobdiff