diff options
Diffstat (limited to 'src/gallium/drivers/i965simple/brw_clip.c')
| -rw-r--r-- | src/gallium/drivers/i965simple/brw_clip.c | 206 |
1 files changed, 0 insertions, 206 deletions
diff --git a/src/gallium/drivers/i965simple/brw_clip.c b/src/gallium/drivers/i965simple/brw_clip.c deleted file mode 100644 index 268124cc53..0000000000 --- a/src/gallium/drivers/i965simple/brw_clip.c +++ /dev/null @@ -1,206 +0,0 @@ -/* - 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_state.h" -#include "brw_clip.h" - -#define FRONT_UNFILLED_BIT 0x1 -#define BACK_UNFILLED_BIT 0x2 - - -static void compile_clip_prog( struct brw_context *brw, - struct brw_clip_prog_key *key ) -{ - struct brw_clip_compile c; - const unsigned *program; - unsigned program_size; - unsigned delta; - unsigned i; - - memset(&c, 0, sizeof(c)); - - /* Begin the compilation: - */ - brw_init_compile(&c.func); - - c.func.single_program_flow = 1; - - c.key = *key; - - - /* Need to locate the two positions present in vertex + header. - * These are currently hardcoded: - */ - c.header_position_offset = ATTR_SIZE; - - for (i = 0, delta = REG_SIZE; i < PIPE_MAX_SHADER_OUTPUTS; i++) - if (c.key.attrs & (1<<i)) { - c.offset[i] = delta; - delta += ATTR_SIZE; - } - - c.nr_attrs = brw_count_bits(c.key.attrs); - c.nr_regs = (c.nr_attrs + 1) / 2 + 1; /* are vertices packed, or reg-aligned? */ - c.nr_bytes = c.nr_regs * REG_SIZE; - - c.prog_data.clip_mode = c.key.clip_mode; /* XXX */ - - /* For some reason the thread is spawned with only 4 channels - * unmasked. - */ - brw_set_mask_control(&c.func, BRW_MASK_DISABLE); - - - /* Would ideally have the option of producing a program which could - * do all three: - */ - switch (key->primitive) { - case PIPE_PRIM_TRIANGLES: -#if 0 - if (key->do_unfilled) - brw_emit_unfilled_clip( &c ); - else -#endif - brw_emit_tri_clip( &c ); - break; - case PIPE_PRIM_LINES: - brw_emit_line_clip( &c ); - break; - case PIPE_PRIM_POINTS: - brw_emit_point_clip( &c ); - break; - default: - assert(0); - return; - } - - - - /* get the program - */ - program = brw_get_program(&c.func, &program_size); - - /* Upload - */ - brw->clip.prog_gs_offset = brw_upload_cache( &brw->cache[BRW_CLIP_PROG], - &c.key, - sizeof(c.key), - program, - program_size, - &c.prog_data, - &brw->clip.prog_data ); -} - - -static boolean search_cache( struct brw_context *brw, - struct brw_clip_prog_key *key ) -{ - return brw_search_cache(&brw->cache[BRW_CLIP_PROG], - key, sizeof(*key), - &brw->clip.prog_data, - &brw->clip.prog_gs_offset); -} - - - - -/* Calculate interpolants for triangle and line rasterization. - */ -static void upload_clip_prog(struct brw_context *brw) -{ - struct brw_clip_prog_key key; - - memset(&key, 0, sizeof(key)); - - /* Populate the key: - */ - /* BRW_NEW_REDUCED_PRIMITIVE */ - key.primitive = brw->reduced_primitive; - /* CACHE_NEW_VS_PROG */ - key.attrs = brw->vs.prog_data->outputs_written; - /* BRW_NEW_RASTER */ - key.do_flat_shading = (brw->attribs.Raster->flatshade); - /* BRW_NEW_CLIP */ - key.nr_userclip = brw->attribs.Clip.nr; /* XXX */ - -#if 0 - key.clip_mode = BRW_CLIPMODE_NORMAL; - - if (key.primitive == PIPE_PRIM_TRIANGLES) { - if (brw->attribs.Raster->cull_mode == PIPE_WINDING_BOTH) - key.clip_mode = BRW_CLIPMODE_REJECT_ALL; - else { - if (brw->attribs.Raster->fill_cw != PIPE_POLYGON_MODE_FILL || - brw->attribs.Raster->fill_ccw != PIPE_POLYGON_MODE_FILL) - key.do_unfilled = 1; - - /* Most cases the fixed function units will handle. Cases where - * one or more polygon faces are unfilled will require help: - */ - if (key.do_unfilled) { - key.clip_mode = BRW_CLIPMODE_CLIP_NON_REJECTED; - - if (brw->attribs.Raster->offset_cw || - brw->attribs.Raster->offset_ccw) { - key.offset_units = brw->attribs.Raster->offset_units; - key.offset_factor = brw->attribs.Raster->offset_scale; - } - key.fill_ccw = brw->attribs.Raster->fill_ccw; - key.fill_cw = brw->attribs.Raster->fill_cw; - key.offset_ccw = brw->attribs.Raster->offset_ccw; - key.offset_cw = brw->attribs.Raster->offset_cw; - if (brw->attribs.Raster->light_twoside && - key.fill_cw != CLIP_CULL) - key.copy_bfc_cw = 1; - } - } - } -#else - key.clip_mode = BRW_CLIPMODE_ACCEPT_ALL; -#endif - - if (!search_cache(brw, &key)) - compile_clip_prog( brw, &key ); -} - -const struct brw_tracked_state brw_clip_prog = { - .dirty = { - .brw = (BRW_NEW_RASTERIZER | - BRW_NEW_CLIP | - BRW_NEW_REDUCED_PRIMITIVE), - .cache = CACHE_NEW_VS_PROG - }, - .update = upload_clip_prog -}; |