diff options
author | Ben Skeggs <skeggsb@gmail.com> | 2008-02-16 16:30:22 +1100 |
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committer | Ben Skeggs <skeggsb@gmail.com> | 2008-02-16 16:30:22 +1100 |
commit | 87e3301533aa4d3e6e98db139887ebba3d217f7d (patch) | |
tree | ad80803f8f90263ea4c9adf9b3e7dd8eae4b05fa /src/gallium/drivers/i965simple/brw_sf.c | |
parent | 49405c43f245d3b3ddd12e891413bf7ead23145c (diff) | |
parent | 3320b1874e810583f95b93a89697b2955987b84f (diff) |
Merge branch 'upstream-gallium-0.1' into nouveau-gallium-0.1
Conflicts:
configs/linux-dri
src/mesa/pipe/Makefile
Diffstat (limited to 'src/gallium/drivers/i965simple/brw_sf.c')
-rw-r--r-- | src/gallium/drivers/i965simple/brw_sf.c | 351 |
1 files changed, 351 insertions, 0 deletions
diff --git a/src/gallium/drivers/i965simple/brw_sf.c b/src/gallium/drivers/i965simple/brw_sf.c new file mode 100644 index 0000000000..7c83b81c85 --- /dev/null +++ b/src/gallium/drivers/i965simple/brw_sf.c @@ -0,0 +1,351 @@ +/* + 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/util/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.nr_regs[TGSI_FILE_INPUT]; + + + /* 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.u.DeclarationRange.First; + int last = parse.FullToken.FullDeclaration.u.DeclarationRange.Last; + int interp_mode = parse.FullToken.FullDeclaration.Interpolation.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.u.DeclarationRange.First; + int last = parse.FullToken.FullDeclaration.u.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 |