diff options
Diffstat (limited to 'src/gallium/drivers/i965simple/brw_sf_state.c')
| -rw-r--r-- | src/gallium/drivers/i965simple/brw_sf_state.c | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/src/gallium/drivers/i965simple/brw_sf_state.c b/src/gallium/drivers/i965simple/brw_sf_state.c new file mode 100644 index 0000000000..2a5de61c21 --- /dev/null +++ b/src/gallium/drivers/i965simple/brw_sf_state.c @@ -0,0 +1,181 @@ +/* + 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_context.h" +#include "brw_state.h" +#include "brw_defines.h" +#include "util/u_math.h" +#include "util/u_memory.h" + + +static void upload_sf_vp(struct brw_context *brw) +{ + struct brw_sf_viewport sfv; + + memset(&sfv, 0, sizeof(sfv)); + + + /* BRW_NEW_VIEWPORT */ + { + const float *scale = brw->attribs.Viewport.scale; + const float *trans = brw->attribs.Viewport.translate; + + sfv.viewport.m00 = scale[0]; + sfv.viewport.m11 = scale[1]; + sfv.viewport.m22 = scale[2]; + sfv.viewport.m30 = trans[0]; + sfv.viewport.m31 = trans[1]; + sfv.viewport.m32 = trans[2]; + } + + /* _NEW_SCISSOR */ + sfv.scissor.xmin = brw->attribs.Scissor.minx; + sfv.scissor.xmax = brw->attribs.Scissor.maxx - 1; + sfv.scissor.ymin = brw->attribs.Scissor.miny; + sfv.scissor.ymax = brw->attribs.Scissor.maxy - 1; + + brw->sf.vp_gs_offset = brw_cache_data( &brw->cache[BRW_SF_VP], &sfv ); +} + +const struct brw_tracked_state brw_sf_vp = { + .dirty = { + .brw = (BRW_NEW_SCISSOR | + BRW_NEW_VIEWPORT), + .cache = 0 + }, + .update = upload_sf_vp +}; + +static void upload_sf_unit( struct brw_context *brw ) +{ + struct brw_sf_unit_state sf; + memset(&sf, 0, sizeof(sf)); + + /* CACHE_NEW_SF_PROG */ + sf.thread0.grf_reg_count = align(brw->sf.prog_data->total_grf, 16) / 16 - 1; + sf.thread0.kernel_start_pointer = brw->sf.prog_gs_offset >> 6; + sf.thread3.urb_entry_read_length = brw->sf.prog_data->urb_read_length; + + sf.thread1.floating_point_mode = BRW_FLOATING_POINT_NON_IEEE_754; + sf.thread3.dispatch_grf_start_reg = 3; + sf.thread3.urb_entry_read_offset = 1; + + /* BRW_NEW_URB_FENCE */ + sf.thread4.nr_urb_entries = brw->urb.nr_sf_entries; + sf.thread4.urb_entry_allocation_size = brw->urb.sfsize - 1; + sf.thread4.max_threads = MIN2(12, brw->urb.nr_sf_entries / 2) - 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 */ + sf.sf5.sf_viewport_state_offset = brw->sf.vp_gs_offset >> 5; + sf.sf5.viewport_transform = 1; + + /* BRW_NEW_RASTER */ + if (brw->attribs.Raster->scissor) + sf.sf6.scissor = 1; + +#if 0 + if (brw->attribs.Polygon->FrontFace == GL_CCW) + sf.sf5.front_winding = BRW_FRONTWINDING_CCW; + else + sf.sf5.front_winding = BRW_FRONTWINDING_CW; + + + if (brw->attribs.Polygon->CullFlag) { + switch (brw->attribs.Polygon->CullFaceMode) { + case GL_FRONT: + sf.sf6.cull_mode = BRW_CULLMODE_FRONT; + break; + case GL_BACK: + sf.sf6.cull_mode = BRW_CULLMODE_BACK; + break; + case GL_FRONT_AND_BACK: + sf.sf6.cull_mode = BRW_CULLMODE_BOTH; + break; + default: + assert(0); + break; + } + } + else + sf.sf6.cull_mode = BRW_CULLMODE_NONE; +#else + sf.sf5.front_winding = BRW_FRONTWINDING_CCW; + sf.sf6.cull_mode = BRW_CULLMODE_NONE; +#endif + + sf.sf6.line_width = CLAMP(brw->attribs.Raster->line_width, 1.0, 5.0) * (1<<1); + + sf.sf6.line_endcap_aa_region_width = 1; + if (brw->attribs.Raster->line_smooth) + sf.sf6.aa_enable = 1; + else if (sf.sf6.line_width <= 0x2) + sf.sf6.line_width = 0; + + sf.sf6.point_rast_rule = 1; /* opengl conventions */ + + sf.sf7.sprite_point = brw->attribs.Raster->point_sprite; + sf.sf7.point_size = CLAMP(brw->attribs.Raster->line_width, 1.0, 255.0) * (1<<3); + sf.sf7.use_point_size_state = !brw->attribs.Raster->point_size_per_vertex; + + /* might be BRW_NEW_PRIMITIVE if we have to adjust pv for polygons: + */ + sf.sf7.trifan_pv = 2; + sf.sf7.linestrip_pv = 1; + sf.sf7.tristrip_pv = 2; + sf.sf7.line_last_pixel_enable = 0; + + /* Set bias for OpenGL rasterization rules: + */ + sf.sf6.dest_org_vbias = 0x8; + sf.sf6.dest_org_hbias = 0x8; + + brw->sf.state_gs_offset = brw_cache_data( &brw->cache[BRW_SF_UNIT], &sf ); +} + + +const struct brw_tracked_state brw_sf_unit = { + .dirty = { + .brw = (BRW_NEW_RASTERIZER | + BRW_NEW_URB_FENCE), + .cache = (CACHE_NEW_SF_VP | + CACHE_NEW_SF_PROG) + }, + .update = upload_sf_unit +}; + + |