| /* |
| 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 "util/u_math.h" |
| |
| #include "pipe/p_state.h" |
| |
| #include "brw_context.h" |
| #include "brw_state.h" |
| #include "brw_defines.h" |
| #include "brw_debug.h" |
| #include "brw_pipe_rast.h" |
| |
| static enum pipe_error upload_sf_vp(struct brw_context *brw) |
| { |
| const struct pipe_viewport_state *vp = &brw->curr.viewport; |
| const struct pipe_scissor_state *scissor = &brw->curr.scissor; |
| struct brw_sf_viewport sfv; |
| enum pipe_error ret; |
| |
| memset(&sfv, 0, sizeof(sfv)); |
| |
| /* PIPE_NEW_VIEWPORT, PIPE_NEW_SCISSOR */ |
| |
| sfv.viewport.m00 = vp->scale[0]; |
| sfv.viewport.m11 = vp->scale[1]; |
| sfv.viewport.m22 = vp->scale[2]; |
| sfv.viewport.m30 = vp->translate[0]; |
| sfv.viewport.m31 = vp->translate[1]; |
| sfv.viewport.m32 = vp->translate[2]; |
| |
| sfv.scissor.xmin = scissor->minx; |
| sfv.scissor.xmax = scissor->maxx - 1; /* ? */ |
| sfv.scissor.ymin = scissor->miny; |
| sfv.scissor.ymax = scissor->maxy - 1; /* ? */ |
| |
| ret = brw_cache_data( &brw->cache, BRW_SF_VP, &sfv, NULL, 0, |
| &brw->sf.vp_bo ); |
| if (ret) |
| return ret; |
| |
| return PIPE_OK; |
| } |
| |
| const struct brw_tracked_state brw_sf_vp = { |
| .dirty = { |
| .mesa = (PIPE_NEW_VIEWPORT | |
| PIPE_NEW_SCISSOR), |
| .brw = 0, |
| .cache = 0 |
| }, |
| .prepare = upload_sf_vp |
| }; |
| |
| struct brw_sf_unit_key { |
| unsigned int total_grf; |
| unsigned int urb_entry_read_length; |
| unsigned int nr_urb_entries, urb_size, sfsize; |
| |
| unsigned scissor:1; |
| unsigned line_smooth:1; |
| unsigned point_sprite:1; |
| unsigned point_attenuated:1; |
| unsigned front_face:2; |
| unsigned cull_mode:2; |
| unsigned flatshade_first:1; |
| unsigned gl_rasterization_rules:1; |
| unsigned line_last_pixel_enable:1; |
| float line_width; |
| float point_size; |
| }; |
| |
| static void |
| sf_unit_populate_key(struct brw_context *brw, struct brw_sf_unit_key *key) |
| { |
| const struct pipe_rasterizer_state *rast = &brw->curr.rast->templ; |
| memset(key, 0, sizeof(*key)); |
| |
| /* CACHE_NEW_SF_PROG */ |
| key->total_grf = brw->sf.prog_data->total_grf; |
| key->urb_entry_read_length = brw->sf.prog_data->urb_read_length; |
| |
| /* BRW_NEW_URB_FENCE */ |
| key->nr_urb_entries = brw->urb.nr_sf_entries; |
| key->urb_size = brw->urb.vsize; |
| key->sfsize = brw->urb.sfsize; |
| |
| /* PIPE_NEW_RAST */ |
| key->scissor = rast->scissor; |
| key->front_face = rast->front_winding; |
| key->cull_mode = rast->cull_mode; |
| key->line_smooth = rast->line_smooth; |
| key->line_width = rast->line_width; |
| key->flatshade_first = rast->flatshade_first; |
| key->line_last_pixel_enable = rast->line_last_pixel; |
| key->gl_rasterization_rules = rast->gl_rasterization_rules; |
| |
| key->point_sprite = rast->point_sprite; |
| key->point_attenuated = rast->point_size_per_vertex; |
| |
| key->point_size = CLAMP(rast->point_size, |
| rast->point_size_min, |
| rast->point_size_max); |
| } |
| |
| static enum pipe_error |
| sf_unit_create_from_key(struct brw_context *brw, |
| struct brw_sf_unit_key *key, |
| struct brw_winsys_reloc *reloc, |
| struct brw_winsys_buffer **bo_out) |
| { |
| struct brw_sf_unit_state sf; |
| enum pipe_error ret; |
| int chipset_max_threads; |
| memset(&sf, 0, sizeof(sf)); |
| |
| sf.thread0.grf_reg_count = align(key->total_grf, 16) / 16 - 1; |
| /* reloc */ |
| sf.thread0.kernel_start_pointer = 0; |
| |
| sf.thread1.floating_point_mode = BRW_FLOATING_POINT_NON_IEEE_754; |
| |
| sf.thread3.dispatch_grf_start_reg = 3; |
| |
| if (BRW_IS_IGDNG(brw)) |
| sf.thread3.urb_entry_read_offset = 3; |
| else |
| sf.thread3.urb_entry_read_offset = 1; |
| |
| sf.thread3.urb_entry_read_length = key->urb_entry_read_length; |
| |
| sf.thread4.nr_urb_entries = key->nr_urb_entries; |
| sf.thread4.urb_entry_allocation_size = key->sfsize - 1; |
| |
| /* Each SF thread produces 1 PUE, and there can be up to 24(Pre-IGDNG) or |
| * 48(IGDNG) threads |
| */ |
| if (BRW_IS_IGDNG(brw)) |
| chipset_max_threads = 48; |
| else |
| chipset_max_threads = 24; |
| |
| sf.thread4.max_threads = MIN2(chipset_max_threads, key->nr_urb_entries) - 1; |
| |
| if (BRW_DEBUG & DEBUG_SINGLE_THREAD) |
| sf.thread4.max_threads = 0; |
| |
| if (BRW_DEBUG & DEBUG_STATS) |
| sf.thread4.stats_enable = 1; |
| |
| /* CACHE_NEW_SF_VP */ |
| /* reloc */ |
| sf.sf5.sf_viewport_state_offset = 0; |
| |
| sf.sf5.viewport_transform = 1; |
| |
| if (key->scissor) |
| sf.sf6.scissor = 1; |
| |
| if (key->front_face == PIPE_WINDING_CCW) |
| sf.sf5.front_winding = BRW_FRONTWINDING_CCW; |
| else |
| sf.sf5.front_winding = BRW_FRONTWINDING_CW; |
| |
| switch (key->cull_mode) { |
| case PIPE_WINDING_CCW: |
| case PIPE_WINDING_CW: |
| sf.sf6.cull_mode = (key->front_face == key->cull_mode ? |
| BRW_CULLMODE_FRONT : |
| BRW_CULLMODE_BACK); |
| break; |
| case PIPE_WINDING_BOTH: |
| sf.sf6.cull_mode = BRW_CULLMODE_BOTH; |
| break; |
| case PIPE_WINDING_NONE: |
| sf.sf6.cull_mode = BRW_CULLMODE_NONE; |
| break; |
| default: |
| assert(0); |
| sf.sf6.cull_mode = BRW_CULLMODE_NONE; |
| break; |
| } |
| |
| /* _NEW_LINE */ |
| /* XXX use ctx->Const.Min/MaxLineWidth here */ |
| sf.sf6.line_width = CLAMP(key->line_width, 1.0, 5.0) * (1<<1); |
| |
| sf.sf6.line_endcap_aa_region_width = 1; |
| if (key->line_smooth) |
| sf.sf6.aa_enable = 1; |
| else if (sf.sf6.line_width <= 0x2) |
| sf.sf6.line_width = 0; |
| |
| /* XXX: gl_rasterization_rules? something else? |
| */ |
| sf.sf6.point_rast_rule = BRW_RASTRULE_UPPER_RIGHT; |
| sf.sf6.point_rast_rule = BRW_RASTRULE_LOWER_RIGHT; |
| sf.sf6.point_rast_rule = 1; |
| |
| /* XXX clamp max depends on AA vs. non-AA */ |
| |
| /* _NEW_POINT */ |
| sf.sf7.sprite_point = key->point_sprite; |
| sf.sf7.point_size = CLAMP(rint(key->point_size), 1, 255) * (1<<3); |
| sf.sf7.use_point_size_state = !key->point_attenuated; |
| sf.sf7.aa_line_distance_mode = 0; |
| |
| /* might be BRW_NEW_PRIMITIVE if we have to adjust pv for polygons: |
| */ |
| if (!key->flatshade_first) { |
| sf.sf7.trifan_pv = 2; |
| sf.sf7.linestrip_pv = 1; |
| sf.sf7.tristrip_pv = 2; |
| } else { |
| sf.sf7.trifan_pv = 1; |
| sf.sf7.linestrip_pv = 0; |
| sf.sf7.tristrip_pv = 0; |
| } |
| |
| sf.sf7.line_last_pixel_enable = key->line_last_pixel_enable; |
| |
| /* Set bias for OpenGL rasterization rules: |
| */ |
| if (key->gl_rasterization_rules) { |
| sf.sf6.dest_org_vbias = 0x8; |
| sf.sf6.dest_org_hbias = 0x8; |
| } |
| else { |
| sf.sf6.dest_org_vbias = 0x0; |
| sf.sf6.dest_org_hbias = 0x0; |
| } |
| |
| ret = brw_upload_cache(&brw->cache, BRW_SF_UNIT, |
| key, sizeof(*key), |
| reloc, 2, |
| &sf, sizeof(sf), |
| NULL, NULL, |
| bo_out); |
| if (ret) |
| return ret; |
| |
| |
| return PIPE_OK; |
| } |
| |
| static enum pipe_error upload_sf_unit( struct brw_context *brw ) |
| { |
| struct brw_sf_unit_key key; |
| struct brw_winsys_reloc reloc[2]; |
| unsigned total_grf; |
| unsigned viewport_transform; |
| unsigned front_winding; |
| enum pipe_error ret; |
| |
| sf_unit_populate_key(brw, &key); |
| |
| /* XXX: cut this crap and pre calculate the key: |
| */ |
| total_grf = (align(key.total_grf, 16) / 16 - 1); |
| viewport_transform = 1; |
| front_winding = (key.front_face == PIPE_WINDING_CCW ? |
| BRW_FRONTWINDING_CCW : |
| BRW_FRONTWINDING_CW); |
| |
| /* Emit SF program relocation */ |
| make_reloc(&reloc[0], |
| BRW_USAGE_STATE, |
| total_grf << 1, |
| offsetof(struct brw_sf_unit_state, thread0), |
| brw->sf.prog_bo); |
| |
| /* Emit SF viewport relocation */ |
| make_reloc(&reloc[1], |
| BRW_USAGE_STATE, |
| front_winding | (viewport_transform << 1), |
| offsetof(struct brw_sf_unit_state, sf5), |
| brw->sf.vp_bo); |
| |
| |
| if (brw_search_cache(&brw->cache, BRW_SF_UNIT, |
| &key, sizeof(key), |
| reloc, 2, |
| NULL, |
| &brw->sf.state_bo)) |
| return PIPE_OK; |
| |
| |
| ret = sf_unit_create_from_key(brw, &key, |
| reloc, |
| &brw->sf.state_bo); |
| if (ret) |
| return ret; |
| |
| return PIPE_OK; |
| } |
| |
| const struct brw_tracked_state brw_sf_unit = { |
| .dirty = { |
| .mesa = (PIPE_NEW_RAST), |
| .brw = BRW_NEW_URB_FENCE, |
| .cache = (CACHE_NEW_SF_VP | |
| CACHE_NEW_SF_PROG) |
| }, |
| .prepare = upload_sf_unit, |
| }; |