diff options
Diffstat (limited to 'src/mesa')
| -rw-r--r-- | src/mesa/drivers/dri/i965/Makefile.sources | 6 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_clip.c | 104 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_clip.h | 195 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_clip_line.c | 312 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_clip_point.c | 53 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_clip_tri.c | 666 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_clip_unfilled.c | 536 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_clip_util.c | 475 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_context.h | 7 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_defines.h | 7 |
10 files changed, 22 insertions, 2339 deletions
diff --git a/src/mesa/drivers/dri/i965/Makefile.sources b/src/mesa/drivers/dri/i965/Makefile.sources index bb03214c1ce..37338167c98 100644 --- a/src/mesa/drivers/dri/i965/Makefile.sources +++ b/src/mesa/drivers/dri/i965/Makefile.sources @@ -7,13 +7,7 @@ i965_FILES = \ brw_cc.c \ brw_clear.c \ brw_clip.c \ - brw_clip.h \ - brw_clip_line.c \ - brw_clip_point.c \ brw_clip_state.c \ - brw_clip_tri.c \ - brw_clip_unfilled.c \ - brw_clip_util.c \ brw_compute.c \ brw_conditional_render.c \ brw_context.c \ diff --git a/src/mesa/drivers/dri/i965/brw_clip.c b/src/mesa/drivers/dri/i965/brw_clip.c index 34325a719be..d8805ff4fa5 100644 --- a/src/mesa/drivers/dri/i965/brw_clip.c +++ b/src/mesa/drivers/dri/i965/brw_clip.c @@ -38,88 +38,28 @@ #include "brw_context.h" #include "brw_util.h" #include "brw_state.h" -#include "brw_clip.h" +#include "compiler/brw_eu.h" #include "util/ralloc.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 GLuint *program; + const unsigned *program; void *mem_ctx; - GLuint program_size; - - memset(&c, 0, sizeof(c)); + unsigned program_size; mem_ctx = ralloc_context(NULL); - /* Begin the compilation: - */ - brw_init_codegen(&brw->screen->devinfo, &c.func, mem_ctx); - - c.func.single_program_flow = 1; - - c.key = *key; - c.vue_map = brw->vue_map_geom_out; - - /* nr_regs is the number of registers filled by reading data from the VUE. - * This program accesses the entire VUE, so nr_regs needs to be the size of - * the VUE (measured in pairs, since two slots are stored in each - * register). - */ - c.nr_regs = (c.vue_map.num_slots + 1)/2; - - c.prog_data.clip_mode = c.key.clip_mode; /* XXX */ - - /* For some reason the thread is spawned with only 4 channels - * unmasked. - */ - brw_set_default_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 GL_TRIANGLES: - if (key->do_unfilled) - brw_emit_unfilled_clip( &c ); - else - brw_emit_tri_clip( &c ); - break; - case GL_LINES: - brw_emit_line_clip( &c ); - break; - case GL_POINTS: - brw_emit_point_clip( &c ); - break; - default: - unreachable("not reached"); - } - - brw_compact_instructions(&c.func, 0, 0, NULL); - - /* get the program - */ - program = brw_get_program(&c.func, &program_size); - - if (unlikely(INTEL_DEBUG & DEBUG_CLIP)) { - fprintf(stderr, "clip:\n"); - brw_disassemble(&brw->screen->devinfo, c.func.store, - 0, program_size, stderr); - fprintf(stderr, "\n"); - } + struct brw_clip_prog_data prog_data; + program = brw_compile_clip(brw->screen->compiler, mem_ctx, key, &prog_data, + &brw->vue_map_geom_out, &program_size); brw_upload_cache(&brw->cache, BRW_CACHE_CLIP_PROG, - &c.key, sizeof(c.key), + key, sizeof(*key), program, program_size, - &c.prog_data, sizeof(c.prog_data), + &prog_data, sizeof(prog_data), &brw->clip.prog_offset, &brw->clip.prog_data); ralloc_free(mem_ctx); } @@ -174,18 +114,18 @@ brw_upload_clip_prog(struct brw_context *brw) key.nr_userclip = _mesa_logbase2(ctx->Transform.ClipPlanesEnabled) + 1; if (brw->gen == 5) - key.clip_mode = BRW_CLIPMODE_KERNEL_CLIP; + key.clip_mode = BRW_CLIP_MODE_KERNEL_CLIP; else - key.clip_mode = BRW_CLIPMODE_NORMAL; + key.clip_mode = BRW_CLIP_MODE_NORMAL; /* _NEW_POLYGON */ if (key.primitive == GL_TRIANGLES) { if (ctx->Polygon.CullFlag && ctx->Polygon.CullFaceMode == GL_FRONT_AND_BACK) - key.clip_mode = BRW_CLIPMODE_REJECT_ALL; + key.clip_mode = BRW_CLIP_MODE_REJECT_ALL; else { - GLuint fill_front = CLIP_CULL; - GLuint fill_back = CLIP_CULL; + GLuint fill_front = BRW_CLIP_FILL_MODE_CULL; + GLuint fill_back = BRW_CLIP_FILL_MODE_CULL; GLuint offset_front = 0; GLuint offset_back = 0; @@ -193,15 +133,15 @@ brw_upload_clip_prog(struct brw_context *brw) ctx->Polygon.CullFaceMode != GL_FRONT) { switch (ctx->Polygon.FrontMode) { case GL_FILL: - fill_front = CLIP_FILL; + fill_front = BRW_CLIP_FILL_MODE_FILL; offset_front = 0; break; case GL_LINE: - fill_front = CLIP_LINE; + fill_front = BRW_CLIP_FILL_MODE_LINE; offset_front = ctx->Polygon.OffsetLine; break; case GL_POINT: - fill_front = CLIP_POINT; + fill_front = BRW_CLIP_FILL_MODE_POINT; offset_front = ctx->Polygon.OffsetPoint; break; } @@ -211,15 +151,15 @@ brw_upload_clip_prog(struct brw_context *brw) ctx->Polygon.CullFaceMode != GL_BACK) { switch (ctx->Polygon.BackMode) { case GL_FILL: - fill_back = CLIP_FILL; + fill_back = BRW_CLIP_FILL_MODE_FILL; offset_back = 0; break; case GL_LINE: - fill_back = CLIP_LINE; + fill_back = BRW_CLIP_FILL_MODE_LINE; offset_back = ctx->Polygon.OffsetLine; break; case GL_POINT: - fill_back = CLIP_POINT; + fill_back = BRW_CLIP_FILL_MODE_POINT; offset_back = ctx->Polygon.OffsetPoint; break; } @@ -232,7 +172,7 @@ brw_upload_clip_prog(struct brw_context *brw) /* Most cases the fixed function units will handle. Cases where * one or more polygon faces are unfilled will require help: */ - key.clip_mode = BRW_CLIPMODE_CLIP_NON_REJECTED; + key.clip_mode = BRW_CLIP_MODE_CLIP_NON_REJECTED; if (offset_back || offset_front) { /* _NEW_POLYGON, _NEW_BUFFERS */ @@ -247,7 +187,7 @@ brw_upload_clip_prog(struct brw_context *brw) key.offset_ccw = offset_front; key.offset_cw = offset_back; if (ctx->Light.Model.TwoSide && - key.fill_cw != CLIP_CULL) + key.fill_cw != BRW_CLIP_FILL_MODE_CULL) key.copy_bfc_cw = 1; } else { key.fill_cw = fill_front; @@ -255,7 +195,7 @@ brw_upload_clip_prog(struct brw_context *brw) key.offset_cw = offset_front; key.offset_ccw = offset_back; if (ctx->Light.Model.TwoSide && - key.fill_ccw != CLIP_CULL) + key.fill_ccw != BRW_CLIP_FILL_MODE_CULL) key.copy_bfc_ccw = 1; } } diff --git a/src/mesa/drivers/dri/i965/brw_clip.h b/src/mesa/drivers/dri/i965/brw_clip.h deleted file mode 100644 index 2dc84d80c75..00000000000 --- a/src/mesa/drivers/dri/i965/brw_clip.h +++ /dev/null @@ -1,195 +0,0 @@ -/* - Copyright (C) Intel Corp. 2006. All Rights Reserved. - Intel funded Tungsten Graphics 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 <[email protected]> - */ - -#ifndef BRW_CLIP_H -#define BRW_CLIP_H - - -#include "brw_context.h" -#include "compiler/brw_eu.h" - -/* Initial 3 verts, plus at most 6 additional verts from intersections - * with fixed planes, plus at most 8 additional verts from intersections - * with user clip planes - */ -#define MAX_VERTS (3+6+8) - -/* Note that if unfilled primitives are being emitted, we have to fix - * up polygon offset and flatshading at this point: - */ -struct brw_clip_prog_key { - GLbitfield64 attrs; - bool contains_flat_varying; - bool contains_noperspective_varying; - unsigned char interp_mode[65]; /* BRW_VARYING_SLOT_COUNT */ - GLuint primitive:4; - GLuint nr_userclip:4; - GLuint pv_first:1; - GLuint do_unfilled:1; - GLuint fill_cw:2; /* includes cull information */ - GLuint fill_ccw:2; /* includes cull information */ - GLuint offset_cw:1; - GLuint offset_ccw:1; - GLuint copy_bfc_cw:1; - GLuint copy_bfc_ccw:1; - GLuint clip_mode:3; - - GLfloat offset_factor; - GLfloat offset_units; - GLfloat offset_clamp; -}; - - -#define CLIP_LINE 0 -#define CLIP_POINT 1 -#define CLIP_FILL 2 -#define CLIP_CULL 3 - - -#define PRIM_MASK (0x1f) - -struct brw_clip_compile { - struct brw_codegen func; - struct brw_clip_prog_key key; - struct brw_clip_prog_data prog_data; - - struct { - struct brw_reg R0; - struct brw_reg vertex[MAX_VERTS]; - - struct brw_reg t; - struct brw_reg t0, t1; - struct brw_reg dp0, dp1; - - struct brw_reg dpPrev; - struct brw_reg dp; - struct brw_reg loopcount; - struct brw_reg nr_verts; - struct brw_reg planemask; - - struct brw_reg inlist; - struct brw_reg outlist; - struct brw_reg freelist; - - struct brw_reg dir; - struct brw_reg tmp0, tmp1; - struct brw_reg offset; - - struct brw_reg fixed_planes; - struct brw_reg plane_equation; - - struct brw_reg ff_sync; - - /* Bitmask indicating which coordinate attribute should be used for - * comparison to each clipping plane. A 0 indicates that VARYING_SLOT_POS - * should be used, because it's one of the fixed +/- x/y/z planes that - * constitute the bounds of the view volume. A 1 indicates that - * VARYING_SLOT_CLIP_VERTEX should be used (if available) since it's a user- - * defined clipping plane. - */ - struct brw_reg vertex_src_mask; - - /* Offset into the vertex of the current plane's clipdistance value */ - struct brw_reg clipdistance_offset; - } reg; - - /* Number of registers storing VUE data */ - GLuint nr_regs; - - GLuint first_tmp; - GLuint last_tmp; - - bool need_direction; - - struct brw_vue_map vue_map; -}; - -/** - * True if the given varying is one of the outputs of the vertex shader. - */ -static inline bool brw_clip_have_varying(struct brw_clip_compile *c, - GLuint varying) -{ - return (c->key.attrs & BITFIELD64_BIT(varying)) ? 1 : 0; -} - -/* Points are only culled, so no need for a clip routine, however it - * works out easier to have a dummy one. - */ -void brw_emit_unfilled_clip( struct brw_clip_compile *c ); -void brw_emit_tri_clip( struct brw_clip_compile *c ); -void brw_emit_line_clip( struct brw_clip_compile *c ); -void brw_emit_point_clip( struct brw_clip_compile *c ); - -/* brw_clip_tri.c, for use by the unfilled clip routine: - */ -void brw_clip_tri_init_vertices( struct brw_clip_compile *c ); -void brw_clip_tri_flat_shade( struct brw_clip_compile *c ); -void brw_clip_tri( struct brw_clip_compile *c ); -void brw_clip_tri_emit_polygon( struct brw_clip_compile *c ); -void brw_clip_tri_alloc_regs( struct brw_clip_compile *c, - GLuint nr_verts ); - - -/* Utils: - */ - -void brw_clip_interp_vertex( struct brw_clip_compile *c, - struct brw_indirect dest_ptr, - struct brw_indirect v0_ptr, /* from */ - struct brw_indirect v1_ptr, /* to */ - struct brw_reg t0, - bool force_edgeflag ); - -void brw_clip_init_planes( struct brw_clip_compile *c ); - -void brw_clip_emit_vue(struct brw_clip_compile *c, - struct brw_indirect vert, - enum brw_urb_write_flags flags, - GLuint header); - -void brw_clip_kill_thread(struct brw_clip_compile *c); - -struct brw_reg brw_clip_plane_stride( struct brw_clip_compile *c ); -struct brw_reg brw_clip_plane0_address( struct brw_clip_compile *c ); - -void brw_clip_copy_flatshaded_attributes( struct brw_clip_compile *c, - GLuint to, GLuint from ); - -void brw_clip_init_clipmask( struct brw_clip_compile *c ); - -struct brw_reg get_tmp( struct brw_clip_compile *c ); - -void brw_clip_project_position(struct brw_clip_compile *c, - struct brw_reg pos ); -void brw_clip_ff_sync(struct brw_clip_compile *c); -void brw_clip_init_ff_sync(struct brw_clip_compile *c); -#endif diff --git a/src/mesa/drivers/dri/i965/brw_clip_line.c b/src/mesa/drivers/dri/i965/brw_clip_line.c deleted file mode 100644 index 788dc9666ce..00000000000 --- a/src/mesa/drivers/dri/i965/brw_clip_line.c +++ /dev/null @@ -1,312 +0,0 @@ -/* - Copyright (C) Intel Corp. 2006. All Rights Reserved. - Intel funded Tungsten Graphics 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 <[email protected]> - */ - -#include "main/macros.h" -#include "main/enums.h" -#include "program/program.h" - -#include "intel_batchbuffer.h" - -#include "brw_defines.h" -#include "brw_context.h" -#include "brw_clip.h" - - - -static void brw_clip_line_alloc_regs( struct brw_clip_compile *c ) -{ - const struct gen_device_info *devinfo = c->func.devinfo; - GLuint i = 0,j; - - /* Register usage is static, precompute here: - */ - c->reg.R0 = retype(brw_vec8_grf(i, 0), BRW_REGISTER_TYPE_UD); i++; - - if (c->key.nr_userclip) { - c->reg.fixed_planes = brw_vec4_grf(i, 0); - i += (6 + c->key.nr_userclip + 1) / 2; - - c->prog_data.curb_read_length = (6 + c->key.nr_userclip + 1) / 2; - } - else - c->prog_data.curb_read_length = 0; - - - /* Payload vertices plus space for more generated vertices: - */ - for (j = 0; j < 4; j++) { - c->reg.vertex[j] = brw_vec4_grf(i, 0); - i += c->nr_regs; - } - - c->reg.t = brw_vec1_grf(i, 0); - c->reg.t0 = brw_vec1_grf(i, 1); - c->reg.t1 = brw_vec1_grf(i, 2); - c->reg.planemask = retype(brw_vec1_grf(i, 3), BRW_REGISTER_TYPE_UD); - c->reg.plane_equation = brw_vec4_grf(i, 4); - i++; - - c->reg.dp0 = brw_vec1_grf(i, 0); /* fixme - dp4 will clobber r.1,2,3 */ - c->reg.dp1 = brw_vec1_grf(i, 4); - i++; - - if (!c->key.nr_userclip) { - c->reg.fixed_planes = brw_vec8_grf(i, 0); - i++; - } - - c->reg.vertex_src_mask = retype(brw_vec1_grf(i, 0), BRW_REGISTER_TYPE_UD); - c->reg.clipdistance_offset = retype(brw_vec1_grf(i, 1), BRW_REGISTER_TYPE_W); - i++; - - if (devinfo->gen == 5) { - c->reg.ff_sync = retype(brw_vec1_grf(i, 0), BRW_REGISTER_TYPE_UD); - i++; - } - - c->first_tmp = i; - c->last_tmp = i; - - c->prog_data.urb_read_length = c->nr_regs; /* ? */ - c->prog_data.total_grf = i; -} - - -/* Line clipping, more or less following the following algorithm: - * - * for (p=0;p<MAX_PLANES;p++) { - * if (clipmask & (1 << p)) { - * GLfloat dp0 = DOTPROD( vtx0, plane[p] ); - * GLfloat dp1 = DOTPROD( vtx1, plane[p] ); - * - * if (dp1 < 0.0f) { - * GLfloat t = dp1 / (dp1 - dp0); - * if (t > t1) t1 = t; - * } else { - * GLfloat t = dp0 / (dp0 - dp1); - * if (t > t0) t0 = t; - * } - * - * if (t0 + t1 >= 1.0) - * return; - * } - * } - * - * interp( ctx, newvtx0, vtx0, vtx1, t0 ); - * interp( ctx, newvtx1, vtx1, vtx0, t1 ); - * - */ -static void clip_and_emit_line( struct brw_clip_compile *c ) -{ - struct brw_codegen *p = &c->func; - struct brw_indirect vtx0 = brw_indirect(0, 0); - struct brw_indirect vtx1 = brw_indirect(1, 0); - struct brw_indirect newvtx0 = brw_indirect(2, 0); - struct brw_indirect newvtx1 = brw_indirect(3, 0); - struct brw_indirect plane_ptr = brw_indirect(4, 0); - struct brw_reg v1_null_ud = retype(vec1(brw_null_reg()), BRW_REGISTER_TYPE_UD); - GLuint hpos_offset = brw_varying_to_offset(&c->vue_map, VARYING_SLOT_POS); - GLint clipdist0_offset = c->key.nr_userclip - ? brw_varying_to_offset(&c->vue_map, VARYING_SLOT_CLIP_DIST0) - : 0; - - brw_MOV(p, get_addr_reg(vtx0), brw_address(c->reg.vertex[0])); - brw_MOV(p, get_addr_reg(vtx1), brw_address(c->reg.vertex[1])); - brw_MOV(p, get_addr_reg(newvtx0), brw_address(c->reg.vertex[2])); - brw_MOV(p, get_addr_reg(newvtx1), brw_address(c->reg.vertex[3])); - brw_MOV(p, get_addr_reg(plane_ptr), brw_clip_plane0_address(c)); - - /* Note: init t0, t1 together: - */ - brw_MOV(p, vec2(c->reg.t0), brw_imm_f(0)); - - brw_clip_init_planes(c); - brw_clip_init_clipmask(c); - - /* -ve rhw workaround */ - if (p->devinfo->has_negative_rhw_bug) { - brw_AND(p, brw_null_reg(), get_element_ud(c->reg.R0, 2), - brw_imm_ud(1<<20)); - brw_inst_set_cond_modifier(p->devinfo, brw_last_inst, BRW_CONDITIONAL_NZ); - brw_OR(p, c->reg.planemask, c->reg.planemask, brw_imm_ud(0x3f)); - brw_inst_set_pred_control(p->devinfo, brw_last_inst, BRW_PREDICATE_NORMAL); - } - - /* Set the initial vertex source mask: The first 6 planes are the bounds - * of the view volume; the next 8 planes are the user clipping planes. - */ - brw_MOV(p, c->reg.vertex_src_mask, brw_imm_ud(0x3fc0)); - - /* Set the initial clipdistance offset to be 6 floats before gl_ClipDistance[0]. - * We'll increment 6 times before we start hitting actual user clipping. */ - brw_MOV(p, c->reg.clipdistance_offset, brw_imm_d(clipdist0_offset - 6*sizeof(float))); - - brw_DO(p, BRW_EXECUTE_1); - { - /* if (planemask & 1) - */ - brw_AND(p, v1_null_ud, c->reg.planemask, brw_imm_ud(1)); - brw_inst_set_cond_modifier(p->devinfo, brw_last_inst, BRW_CONDITIONAL_NZ); - - brw_IF(p, BRW_EXECUTE_1); - { - brw_AND(p, v1_null_ud, c->reg.vertex_src_mask, brw_imm_ud(1)); - brw_inst_set_cond_modifier(p->devinfo, brw_last_inst, BRW_CONDITIONAL_NZ); - brw_IF(p, BRW_EXECUTE_1); - { - /* user clip distance: just fetch the correct float from each vertex */ - struct brw_indirect temp_ptr = brw_indirect(7, 0); - brw_ADD(p, get_addr_reg(temp_ptr), get_addr_reg(vtx0), c->reg.clipdistance_offset); - brw_MOV(p, c->reg.dp0, deref_1f(temp_ptr, 0)); - brw_ADD(p, get_addr_reg(temp_ptr), get_addr_reg(vtx1), c->reg.clipdistance_offset); - brw_MOV(p, c->reg.dp1, deref_1f(temp_ptr, 0)); - } - brw_ELSE(p); - { - /* fixed plane: fetch the hpos, dp4 against the plane. */ - if (c->key.nr_userclip) - brw_MOV(p, c->reg.plane_equation, deref_4f(plane_ptr, 0)); - else - brw_MOV(p, c->reg.plane_equation, deref_4b(plane_ptr, 0)); - - brw_DP4(p, vec4(c->reg.dp0), deref_4f(vtx0, hpos_offset), c->reg.plane_equation); - brw_DP4(p, vec4(c->reg.dp1), deref_4f(vtx1, hpos_offset), c->reg.plane_equation); - } - brw_ENDIF(p); - - brw_CMP(p, brw_null_reg(), BRW_CONDITIONAL_L, vec1(c->reg.dp1), brw_imm_f(0.0f)); - - brw_IF(p, BRW_EXECUTE_1); - { - /* - * Both can be negative on GM965/G965 due to RHW workaround - * if so, this object should be rejected. - */ - if (p->devinfo->has_negative_rhw_bug) { - brw_CMP(p, vec1(brw_null_reg()), BRW_CONDITIONAL_LE, c->reg.dp0, brw_imm_f(0.0)); - brw_IF(p, BRW_EXECUTE_1); - { - brw_clip_kill_thread(c); - } - brw_ENDIF(p); - } - - brw_ADD(p, c->reg.t, c->reg.dp1, negate(c->reg.dp0)); - brw_math_invert(p, c->reg.t, c->reg.t); - brw_MUL(p, c->reg.t, c->reg.t, c->reg.dp1); - - brw_CMP(p, vec1(brw_null_reg()), BRW_CONDITIONAL_G, c->reg.t, c->reg.t1 ); - brw_MOV(p, c->reg.t1, c->reg.t); - brw_inst_set_pred_control(p->devinfo, brw_last_inst, - BRW_PREDICATE_NORMAL); - } - brw_ELSE(p); - { - /* Coming back in. We know that both cannot be negative - * because the line would have been culled in that case. - */ - - /* If both are positive, do nothing */ - /* Only on GM965/G965 */ - if (p->devinfo->has_negative_rhw_bug) { - brw_CMP(p, vec1(brw_null_reg()), BRW_CONDITIONAL_L, c->reg.dp0, brw_imm_f(0.0)); - brw_IF(p, BRW_EXECUTE_1); - } - - { - brw_ADD(p, c->reg.t, c->reg.dp0, negate(c->reg.dp1)); - brw_math_invert(p, c->reg.t, c->reg.t); - brw_MUL(p, c->reg.t, c->reg.t, c->reg.dp0); - - brw_CMP(p, vec1(brw_null_reg()), BRW_CONDITIONAL_G, c->reg.t, c->reg.t0 ); - brw_MOV(p, c->reg.t0, c->reg.t); - brw_inst_set_pred_control(p->devinfo, brw_last_inst, - BRW_PREDICATE_NORMAL); - } - - if (p->devinfo->has_negative_rhw_bug) { - brw_ENDIF(p); - } - } - brw_ENDIF(p); - } - brw_ENDIF(p); - - /* plane_ptr++; - */ - brw_ADD(p, get_addr_reg(plane_ptr), get_addr_reg(plane_ptr), brw_clip_plane_stride(c)); - - /* while (planemask>>=1) != 0 - */ - brw_SHR(p, c->reg.planemask, c->reg.planemask, brw_imm_ud(1)); - brw_inst_set_cond_modifier(p->devinfo, brw_last_inst, BRW_CONDITIONAL_NZ); - brw_SHR(p, c->reg.vertex_src_mask, c->reg.vertex_src_mask, brw_imm_ud(1)); - brw_inst_set_pred_control(p->devinfo, brw_last_inst, BRW_PREDICATE_NORMAL); - brw_ADD(p, c->reg.clipdistance_offset, c->reg.clipdistance_offset, brw_imm_w(sizeof(float))); - brw_inst_set_pred_control(p->devinfo, brw_last_inst, BRW_PREDICATE_NORMAL); - } - brw_WHILE(p); - brw_inst_set_pred_control(p->devinfo, brw_last_inst, BRW_PREDICATE_NORMAL); - - brw_ADD(p, c->reg.t, c->reg.t0, c->reg.t1); - brw_CMP(p, vec1(brw_null_reg()), BRW_CONDITIONAL_L, c->reg.t, brw_imm_f(1.0)); - brw_IF(p, BRW_EXECUTE_1); - { - brw_clip_interp_vertex(c, newvtx0, vtx0, vtx1, c->reg.t0, false); - brw_clip_interp_vertex(c, newvtx1, vtx1, vtx0, c->reg.t1, false); - - brw_clip_emit_vue(c, newvtx0, BRW_URB_WRITE_ALLOCATE_COMPLETE, - (_3DPRIM_LINESTRIP << URB_WRITE_PRIM_TYPE_SHIFT) - | URB_WRITE_PRIM_START); - brw_clip_emit_vue(c, newvtx1, BRW_URB_WRITE_EOT_COMPLETE, - (_3DPRIM_LINESTRIP << URB_WRITE_PRIM_TYPE_SHIFT) - | URB_WRITE_PRIM_END); - } - brw_ENDIF(p); - brw_clip_kill_thread(c); -} - - - -void brw_emit_line_clip( struct brw_clip_compile *c ) -{ - brw_clip_line_alloc_regs(c); - brw_clip_init_ff_sync(c); - - if (c->key.contains_flat_varying) { - if (c->key.pv_first) - brw_clip_copy_flatshaded_attributes(c, 1, 0); - else - brw_clip_copy_flatshaded_attributes(c, 0, 1); - } - - clip_and_emit_line(c); -} diff --git a/src/mesa/drivers/dri/i965/brw_clip_point.c b/src/mesa/drivers/dri/i965/brw_clip_point.c deleted file mode 100644 index bdbf9695348..00000000000 --- a/src/mesa/drivers/dri/i965/brw_clip_point.c +++ /dev/null @@ -1,53 +0,0 @@ -/* - Copyright (C) Intel Corp. 2006. All Rights Reserved. - Intel funded Tungsten Graphics 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 <[email protected]> - */ - -#include "main/macros.h" -#include "main/enums.h" -#include "program/program.h" - -#include "intel_batchbuffer.h" - -#include "brw_defines.h" -#include "brw_context.h" -#include "brw_clip.h" - - -/* Point clipping, nothing to do? - */ -void brw_emit_point_clip( struct brw_clip_compile *c ) -{ - /* Send an empty message to kill the thread: - */ - brw_clip_tri_alloc_regs(c, 0); - brw_clip_init_ff_sync(c); - - brw_clip_kill_thread(c); -} diff --git a/src/mesa/drivers/dri/i965/brw_clip_tri.c b/src/mesa/drivers/dri/i965/brw_clip_tri.c deleted file mode 100644 index d98e1ccb5f0..00000000000 --- a/src/mesa/drivers/dri/i965/brw_clip_tri.c +++ /dev/null @@ -1,666 +0,0 @@ -/* - Copyright (C) Intel Corp. 2006. All Rights Reserved. - Intel funded Tungsten Graphics 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 <[email protected]> - */ - -#include "main/macros.h" -#include "main/enums.h" -#include "program/program.h" - -#include "intel_batchbuffer.h" - -#include "brw_defines.h" -#include "brw_context.h" -#include "brw_clip.h" - -static void release_tmps( struct brw_clip_compile *c ) -{ - c->last_tmp = c->first_tmp; -} - - -void brw_clip_tri_alloc_regs( struct brw_clip_compile *c, - GLuint nr_verts ) -{ - const struct gen_device_info *devinfo = c->func.devinfo; - GLuint i = 0,j; - - /* Register usage is static, precompute here: - */ - c->reg.R0 = retype(brw_vec8_grf(i, 0), BRW_REGISTER_TYPE_UD); i++; - - if (c->key.nr_userclip) { - c->reg.fixed_planes = brw_vec4_grf(i, 0); - i += (6 + c->key.nr_userclip + 1) / 2; - - c->prog_data.curb_read_length = (6 + c->key.nr_userclip + 1) / 2; - } - else - c->prog_data.curb_read_length = 0; - - - /* Payload vertices plus space for more generated vertices: - */ - for (j = 0; j < nr_verts; j++) { - c->reg.vertex[j] = brw_vec4_grf(i, 0); - i += c->nr_regs; - } - - if (c->vue_map.num_slots % 2) { - /* The VUE has an odd number of slots so the last register is only half - * used. Fill the second half with zero. - */ - for (j = 0; j < 3; j++) { - GLuint delta = brw_vue_slot_to_offset(c->vue_map.num_slots); - - brw_MOV(&c->func, byte_offset(c->reg.vertex[j], delta), brw_imm_f(0)); - } - } - - c->reg.t = brw_vec1_grf(i, 0); - c->reg.loopcount = retype(brw_vec1_grf(i, 1), BRW_REGISTER_TYPE_D); - c->reg.nr_verts = retype(brw_vec1_grf(i, 2), BRW_REGISTER_TYPE_UD); - c->reg.planemask = retype(brw_vec1_grf(i, 3), BRW_REGISTER_TYPE_UD); - c->reg.plane_equation = brw_vec4_grf(i, 4); - i++; - - c->reg.dpPrev = brw_vec1_grf(i, 0); /* fixme - dp4 will clobber r.1,2,3 */ - c->reg.dp = brw_vec1_grf(i, 4); - i++; - - c->reg.inlist = brw_uw16_reg(BRW_GENERAL_REGISTER_FILE, i, 0); - i++; - - c->reg.outlist = brw_uw16_reg(BRW_GENERAL_REGISTER_FILE, i, 0); - i++; - - c->reg.freelist = brw_uw16_reg(BRW_GENERAL_REGISTER_FILE, i, 0); - i++; - - if (!c->key.nr_userclip) { - c->reg.fixed_planes = brw_vec8_grf(i, 0); - i++; - } - - if (c->key.do_unfilled) { - c->reg.dir = brw_vec4_grf(i, 0); - c->reg.offset = brw_vec4_grf(i, 4); - i++; - c->reg.tmp0 = brw_vec4_grf(i, 0); - c->reg.tmp1 = brw_vec4_grf(i, 4); - i++; - } - - c->reg.vertex_src_mask = retype(brw_vec1_grf(i, 0), BRW_REGISTER_TYPE_UD); - c->reg.clipdistance_offset = retype(brw_vec1_grf(i, 1), BRW_REGISTER_TYPE_W); - i++; - - if (devinfo->gen == 5) { - c->reg.ff_sync = retype(brw_vec1_grf(i, 0), BRW_REGISTER_TYPE_UD); - i++; - } - - c->first_tmp = i; - c->last_tmp = i; - - c->prog_data.urb_read_length = c->nr_regs; /* ? */ - c->prog_data.total_grf = i; -} - - - -void brw_clip_tri_init_vertices( struct brw_clip_compile *c ) -{ - struct brw_codegen *p = &c->func; - struct brw_reg tmp0 = c->reg.loopcount; /* handy temporary */ - - /* Initial list of indices for incoming vertexes: - */ - brw_AND(p, tmp0, get_element_ud(c->reg.R0, 2), brw_imm_ud(PRIM_MASK)); - brw_CMP(p, - vec1(brw_null_reg()), - BRW_CONDITIONAL_EQ, - tmp0, - brw_imm_ud(_3DPRIM_TRISTRIP_REVERSE)); - - /* XXX: Is there an easier way to do this? Need to reverse every - * second tristrip element: Can ignore sometimes? - */ - brw_IF(p, BRW_EXECUTE_1); - { - brw_MOV(p, get_element(c->reg.inlist, 0), brw_address(c->reg.vertex[1]) ); - brw_MOV(p, get_element(c->reg.inlist, 1), brw_address(c->reg.vertex[0]) ); - if (c->need_direction) - brw_MOV(p, c->reg.dir, brw_imm_f(-1)); - } - brw_ELSE(p); - { - brw_MOV(p, get_element(c->reg.inlist, 0), brw_address(c->reg.vertex[0]) ); - brw_MOV(p, get_element(c->reg.inlist, 1), brw_address(c->reg.vertex[1]) ); - if (c->need_direction) - brw_MOV(p, c->reg.dir, brw_imm_f(1)); - } - brw_ENDIF(p); - - brw_MOV(p, get_element(c->reg.inlist, 2), brw_address(c->reg.vertex[2]) ); - brw_MOV(p, brw_vec8_grf(c->reg.outlist.nr, 0), brw_imm_f(0)); - brw_MOV(p, c->reg.nr_verts, brw_imm_ud(3)); -} - - - -void brw_clip_tri_flat_shade( struct brw_clip_compile *c ) -{ - struct brw_codegen *p = &c->func; - struct brw_reg tmp0 = c->reg.loopcount; /* handy temporary */ - - brw_AND(p, tmp0, get_element_ud(c->reg.R0, 2), brw_imm_ud(PRIM_MASK)); - brw_CMP(p, - vec1(brw_null_reg()), - BRW_CONDITIONAL_EQ, - tmp0, - brw_imm_ud(_3DPRIM_POLYGON)); - - brw_IF(p, BRW_EXECUTE_1); - { - brw_clip_copy_flatshaded_attributes(c, 1, 0); - brw_clip_copy_flatshaded_attributes(c, 2, 0); - } - brw_ELSE(p); - { - if (c->key.pv_first) { - brw_CMP(p, - vec1(brw_null_reg()), - BRW_CONDITIONAL_EQ, - tmp0, - brw_imm_ud(_3DPRIM_TRIFAN)); - brw_IF(p, BRW_EXECUTE_1); - { - brw_clip_copy_flatshaded_attributes(c, 0, 1); - brw_clip_copy_flatshaded_attributes(c, 2, 1); - } - brw_ELSE(p); - { - brw_clip_copy_flatshaded_attributes(c, 1, 0); - brw_clip_copy_flatshaded_attributes(c, 2, 0); - } - brw_ENDIF(p); - } - else { - brw_clip_copy_flatshaded_attributes(c, 0, 2); - brw_clip_copy_flatshaded_attributes(c, 1, 2); - } - } - brw_ENDIF(p); -} - - -/** - * Loads the clip distance for a vertex into `dst`, and ends with - * a comparison of it to zero with the condition `cond`. - * - * - If using a fixed plane, the distance is dot(hpos, plane). - * - If using a user clip plane, the distance is directly available in the vertex. - */ -static inline void -load_clip_distance(struct brw_clip_compile *c, struct brw_indirect vtx, - struct brw_reg dst, GLuint hpos_offset, int cond) -{ - struct brw_codegen *p = &c->func; - - dst = vec4(dst); - brw_AND(p, vec1(brw_null_reg()), c->reg.vertex_src_mask, brw_imm_ud(1)); - brw_inst_set_cond_modifier(p->devinfo, brw_last_inst, BRW_CONDITIONAL_NZ); - brw_IF(p, BRW_EXECUTE_1); - { - struct brw_indirect temp_ptr = brw_indirect(7, 0); - brw_ADD(p, get_addr_reg(temp_ptr), get_addr_reg(vtx), c->reg.clipdistance_offset); - brw_MOV(p, vec1(dst), deref_1f(temp_ptr, 0)); - } - brw_ELSE(p); - { - brw_MOV(p, dst, deref_4f(vtx, hpos_offset)); - brw_DP4(p, dst, dst, c->reg.plane_equation); - } - brw_ENDIF(p); - - brw_CMP(p, brw_null_reg(), cond, vec1(dst), brw_imm_f(0.0f)); -} - - -/* Use mesa's clipping algorithms, translated to GEN4 assembly. - */ -void brw_clip_tri( struct brw_clip_compile *c ) -{ - struct brw_codegen *p = &c->func; - struct brw_indirect vtx = brw_indirect(0, 0); - struct brw_indirect vtxPrev = brw_indirect(1, 0); - struct brw_indirect vtxOut = brw_indirect(2, 0); - struct brw_indirect plane_ptr = brw_indirect(3, 0); - struct brw_indirect inlist_ptr = brw_indirect(4, 0); - struct brw_indirect outlist_ptr = brw_indirect(5, 0); - struct brw_indirect freelist_ptr = brw_indirect(6, 0); - GLuint hpos_offset = brw_varying_to_offset(&c->vue_map, VARYING_SLOT_POS); - GLint clipdist0_offset = c->key.nr_userclip - ? brw_varying_to_offset(&c->vue_map, VARYING_SLOT_CLIP_DIST0) - : 0; - - brw_MOV(p, get_addr_reg(vtxPrev), brw_address(c->reg.vertex[2]) ); - brw_MOV(p, get_addr_reg(plane_ptr), brw_clip_plane0_address(c)); - brw_MOV(p, get_addr_reg(inlist_ptr), brw_address(c->reg.inlist)); - brw_MOV(p, get_addr_reg(outlist_ptr), brw_address(c->reg.outlist)); - - brw_MOV(p, get_addr_reg(freelist_ptr), brw_address(c->reg.vertex[3]) ); - - /* Set the initial vertex source mask: The first 6 planes are the bounds - * of the view volume; the next 8 planes are the user clipping planes. - */ - brw_MOV(p, c->reg.vertex_src_mask, brw_imm_ud(0x3fc0)); - - /* Set the initial clipdistance offset to be 6 floats before gl_ClipDistance[0]. - * We'll increment 6 times before we start hitting actual user clipping. */ - brw_MOV(p, c->reg.clipdistance_offset, brw_imm_d(clipdist0_offset - 6*sizeof(float))); - - brw_DO(p, BRW_EXECUTE_1); - { - /* if (planemask & 1) - */ - brw_AND(p, vec1(brw_null_reg()), c->reg.planemask, brw_imm_ud(1)); - brw_inst_set_cond_modifier(p->devinfo, brw_last_inst, BRW_CONDITIONAL_NZ); - - brw_IF(p, BRW_EXECUTE_1); - { - /* vtxOut = freelist_ptr++ - */ - brw_MOV(p, get_addr_reg(vtxOut), get_addr_reg(freelist_ptr) ); - brw_ADD(p, get_addr_reg(freelist_ptr), get_addr_reg(freelist_ptr), brw_imm_uw(c->nr_regs * REG_SIZE)); - - if (c->key.nr_userclip) - brw_MOV(p, c->reg.plane_equation, deref_4f(plane_ptr, 0)); - else - brw_MOV(p, c->reg.plane_equation, deref_4b(plane_ptr, 0)); - - brw_MOV(p, c->reg.loopcount, c->reg.nr_verts); - brw_MOV(p, c->reg.nr_verts, brw_imm_ud(0)); - - brw_DO(p, BRW_EXECUTE_1); - { - /* vtx = *input_ptr; - */ - brw_MOV(p, get_addr_reg(vtx), deref_1uw(inlist_ptr, 0)); - - load_clip_distance(c, vtxPrev, c->reg.dpPrev, hpos_offset, BRW_CONDITIONAL_L); - /* (prev < 0.0f) */ - brw_IF(p, BRW_EXECUTE_1); - { - load_clip_distance(c, vtx, c->reg.dp, hpos_offset, BRW_CONDITIONAL_GE); - /* IS_POSITIVE(next) - */ - brw_IF(p, BRW_EXECUTE_1); - { - - /* Coming back in. - */ - brw_ADD(p, c->reg.t, c->reg.dpPrev, negate(c->reg.dp)); - brw_math_invert(p, c->reg.t, c->reg.t); - brw_MUL(p, c->reg.t, c->reg.t, c->reg.dpPrev); - - /* If (vtxOut == 0) vtxOut = vtxPrev - */ - brw_CMP(p, vec1(brw_null_reg()), BRW_CONDITIONAL_EQ, get_addr_reg(vtxOut), brw_imm_uw(0) ); - brw_MOV(p, get_addr_reg(vtxOut), get_addr_reg(vtxPrev)); - brw_inst_set_pred_control(p->devinfo, brw_last_inst, - BRW_PREDICATE_NORMAL); - - brw_clip_interp_vertex(c, vtxOut, vtxPrev, vtx, c->reg.t, false); - - /* *outlist_ptr++ = vtxOut; - * nr_verts++; - * vtxOut = 0; - */ - brw_MOV(p, deref_1uw(outlist_ptr, 0), get_addr_reg(vtxOut)); - brw_ADD(p, get_addr_reg(outlist_ptr), get_addr_reg(outlist_ptr), brw_imm_uw(sizeof(short))); - brw_ADD(p, c->reg.nr_verts, c->reg.nr_verts, brw_imm_ud(1)); - brw_MOV(p, get_addr_reg(vtxOut), brw_imm_uw(0) ); - } - brw_ENDIF(p); - - } - brw_ELSE(p); - { - /* *outlist_ptr++ = vtxPrev; - * nr_verts++; - */ - brw_MOV(p, deref_1uw(outlist_ptr, 0), get_addr_reg(vtxPrev)); - brw_ADD(p, get_addr_reg(outlist_ptr), get_addr_reg(outlist_ptr), brw_imm_uw(sizeof(short))); - brw_ADD(p, c->reg.nr_verts, c->reg.nr_verts, brw_imm_ud(1)); - - load_clip_distance(c, vtx, c->reg.dp, hpos_offset, BRW_CONDITIONAL_L); - /* (next < 0.0f) - */ - brw_IF(p, BRW_EXECUTE_1); - { - /* Going out of bounds. Avoid division by zero as we - * know dp != dpPrev from DIFFERENT_SIGNS, above. - */ - brw_ADD(p, c->reg.t, c->reg.dp, negate(c->reg.dpPrev)); - brw_math_invert(p, c->reg.t, c->reg.t); - brw_MUL(p, c->reg.t, c->reg.t, c->reg.dp); - - /* If (vtxOut == 0) vtxOut = vtx - */ - brw_CMP(p, vec1(brw_null_reg()), BRW_CONDITIONAL_EQ, get_addr_reg(vtxOut), brw_imm_uw(0) ); - brw_MOV(p, get_addr_reg(vtxOut), get_addr_reg(vtx)); - brw_inst_set_pred_control(p->devinfo, brw_last_inst, - BRW_PREDICATE_NORMAL); - - brw_clip_interp_vertex(c, vtxOut, vtx, vtxPrev, c->reg.t, true); - - /* *outlist_ptr++ = vtxOut; - * nr_verts++; - * vtxOut = 0; - */ - brw_MOV(p, deref_1uw(outlist_ptr, 0), get_addr_reg(vtxOut)); - brw_ADD(p, get_addr_reg(outlist_ptr), get_addr_reg(outlist_ptr), brw_imm_uw(sizeof(short))); - brw_ADD(p, c->reg.nr_verts, c->reg.nr_verts, brw_imm_ud(1)); - brw_MOV(p, get_addr_reg(vtxOut), brw_imm_uw(0) ); - } - brw_ENDIF(p); - } - brw_ENDIF(p); - - /* vtxPrev = vtx; - * inlist_ptr++; - */ - brw_MOV(p, get_addr_reg(vtxPrev), get_addr_reg(vtx)); - brw_ADD(p, get_addr_reg(inlist_ptr), get_addr_reg(inlist_ptr), brw_imm_uw(sizeof(short))); - - /* while (--loopcount != 0) - */ - brw_ADD(p, c->reg.loopcount, c->reg.loopcount, brw_imm_d(-1)); - brw_inst_set_cond_modifier(p->devinfo, brw_last_inst, BRW_CONDITIONAL_NZ); - } - brw_WHILE(p); - brw_inst_set_pred_control(p->devinfo, brw_last_inst, BRW_PREDICATE_NORMAL); - - /* vtxPrev = *(outlist_ptr-1) OR: outlist[nr_verts-1] - * inlist = outlist - * inlist_ptr = &inlist[0] - * outlist_ptr = &outlist[0] - */ - brw_ADD(p, get_addr_reg(outlist_ptr), get_addr_reg(outlist_ptr), brw_imm_w(-2)); - brw_MOV(p, get_addr_reg(vtxPrev), deref_1uw(outlist_ptr, 0)); - brw_MOV(p, brw_vec8_grf(c->reg.inlist.nr, 0), brw_vec8_grf(c->reg.outlist.nr, 0)); - brw_MOV(p, get_addr_reg(inlist_ptr), brw_address(c->reg.inlist)); - brw_MOV(p, get_addr_reg(outlist_ptr), brw_address(c->reg.outlist)); - } - brw_ENDIF(p); - - /* plane_ptr++; - */ - brw_ADD(p, get_addr_reg(plane_ptr), get_addr_reg(plane_ptr), brw_clip_plane_stride(c)); - - /* nr_verts >= 3 - */ - brw_CMP(p, - vec1(brw_null_reg()), - BRW_CONDITIONAL_GE, - c->reg.nr_verts, - brw_imm_ud(3)); - brw_set_default_predicate_control(p, BRW_PREDICATE_NORMAL); - - /* && (planemask>>=1) != 0 - */ - brw_SHR(p, c->reg.planemask, c->reg.planemask, brw_imm_ud(1)); - brw_inst_set_cond_modifier(p->devinfo, brw_last_inst, BRW_CONDITIONAL_NZ); - brw_SHR(p, c->reg.vertex_src_mask, c->reg.vertex_src_mask, brw_imm_ud(1)); - brw_ADD(p, c->reg.clipdistance_offset, c->reg.clipdistance_offset, brw_imm_w(sizeof(float))); - } - brw_WHILE(p); - brw_set_default_predicate_control(p, BRW_PREDICATE_NONE); -} - - - -void brw_clip_tri_emit_polygon(struct brw_clip_compile *c) -{ - struct brw_codegen *p = &c->func; - - /* for (loopcount = nr_verts-2; loopcount > 0; loopcount--) - */ - brw_ADD(p, - c->reg.loopcount, - c->reg.nr_verts, - brw_imm_d(-2)); - brw_inst_set_cond_modifier(p->devinfo, brw_last_inst, BRW_CONDITIONAL_G); - - brw_IF(p, BRW_EXECUTE_1); - { - struct brw_indirect v0 = brw_indirect(0, 0); - struct brw_indirect vptr = brw_indirect(1, 0); - - brw_MOV(p, get_addr_reg(vptr), brw_address(c->reg.inlist)); - brw_MOV(p, get_addr_reg(v0), deref_1uw(vptr, 0)); - - brw_clip_emit_vue(c, v0, BRW_URB_WRITE_ALLOCATE_COMPLETE, - ((_3DPRIM_TRIFAN << URB_WRITE_PRIM_TYPE_SHIFT) - | URB_WRITE_PRIM_START)); - - brw_ADD(p, get_addr_reg(vptr), get_addr_reg(vptr), brw_imm_uw(2)); - brw_MOV(p, get_addr_reg(v0), deref_1uw(vptr, 0)); - - brw_DO(p, BRW_EXECUTE_1); - { - brw_clip_emit_vue(c, v0, BRW_URB_WRITE_ALLOCATE_COMPLETE, - (_3DPRIM_TRIFAN << URB_WRITE_PRIM_TYPE_SHIFT)); - - brw_ADD(p, get_addr_reg(vptr), get_addr_reg(vptr), brw_imm_uw(2)); - brw_MOV(p, get_addr_reg(v0), deref_1uw(vptr, 0)); - - brw_ADD(p, c->reg.loopcount, c->reg.loopcount, brw_imm_d(-1)); - brw_inst_set_cond_modifier(p->devinfo, brw_last_inst, BRW_CONDITIONAL_NZ); - } - brw_WHILE(p); - brw_inst_set_pred_control(p->devinfo, brw_last_inst, BRW_PREDICATE_NORMAL); - - brw_clip_emit_vue(c, v0, BRW_URB_WRITE_EOT_COMPLETE, - ((_3DPRIM_TRIFAN << URB_WRITE_PRIM_TYPE_SHIFT) - | URB_WRITE_PRIM_END)); - } - brw_ENDIF(p); -} - -static void do_clip_tri( struct brw_clip_compile *c ) -{ - brw_clip_init_planes(c); - - brw_clip_tri(c); -} - - -static void maybe_do_clip_tri( struct brw_clip_compile *c ) -{ - struct brw_codegen *p = &c->func; - - brw_CMP(p, vec1(brw_null_reg()), BRW_CONDITIONAL_NZ, c->reg.planemask, brw_imm_ud(0)); - brw_IF(p, BRW_EXECUTE_1); - { - do_clip_tri(c); - } - brw_ENDIF(p); -} - -static void brw_clip_test( struct brw_clip_compile *c ) -{ - struct brw_reg t = retype(get_tmp(c), BRW_REGISTER_TYPE_UD); - struct brw_reg t1 = retype(get_tmp(c), BRW_REGISTER_TYPE_UD); - struct brw_reg t2 = retype(get_tmp(c), BRW_REGISTER_TYPE_UD); - struct brw_reg t3 = retype(get_tmp(c), BRW_REGISTER_TYPE_UD); - - struct brw_reg v0 = get_tmp(c); - struct brw_reg v1 = get_tmp(c); - struct brw_reg v2 = get_tmp(c); - - struct brw_indirect vt0 = brw_indirect(0, 0); - struct brw_indirect vt1 = brw_indirect(1, 0); - struct brw_indirect vt2 = brw_indirect(2, 0); - - struct brw_codegen *p = &c->func; - struct brw_reg tmp0 = c->reg.loopcount; /* handy temporary */ - - GLuint hpos_offset = brw_varying_to_offset(&c->vue_map, - VARYING_SLOT_POS); - - brw_MOV(p, get_addr_reg(vt0), brw_address(c->reg.vertex[0])); - brw_MOV(p, get_addr_reg(vt1), brw_address(c->reg.vertex[1])); - brw_MOV(p, get_addr_reg(vt2), brw_address(c->reg.vertex[2])); - brw_MOV(p, v0, deref_4f(vt0, hpos_offset)); - brw_MOV(p, v1, deref_4f(vt1, hpos_offset)); - brw_MOV(p, v2, deref_4f(vt2, hpos_offset)); - brw_AND(p, c->reg.planemask, c->reg.planemask, brw_imm_ud(~0x3f)); - - /* test nearz, xmin, ymin plane */ - /* clip.xyz < -clip.w */ - brw_CMP(p, t1, BRW_CONDITIONAL_L, v0, negate(get_element(v0, 3))); - brw_CMP(p, t2, BRW_CONDITIONAL_L, v1, negate(get_element(v1, 3))); - brw_CMP(p, t3, BRW_CONDITIONAL_L, v2, negate(get_element(v2, 3))); - - /* All vertices are outside of a plane, rejected */ - brw_AND(p, t, t1, t2); - brw_AND(p, t, t, t3); - brw_OR(p, tmp0, get_element(t, 0), get_element(t, 1)); - brw_OR(p, tmp0, tmp0, get_element(t, 2)); - brw_AND(p, brw_null_reg(), tmp0, brw_imm_ud(0x1)); - brw_inst_set_cond_modifier(p->devinfo, brw_last_inst, BRW_CONDITIONAL_NZ); - brw_IF(p, BRW_EXECUTE_1); - { - brw_clip_kill_thread(c); - } - brw_ENDIF(p); - brw_set_default_predicate_control(p, BRW_PREDICATE_NONE); - - /* some vertices are inside a plane, some are outside,need to clip */ - brw_XOR(p, t, t1, t2); - brw_XOR(p, t1, t2, t3); - brw_OR(p, t, t, t1); - brw_AND(p, t, t, brw_imm_ud(0x1)); - brw_CMP(p, brw_null_reg(), BRW_CONDITIONAL_NZ, - get_element(t, 0), brw_imm_ud(0)); - brw_OR(p, c->reg.planemask, c->reg.planemask, brw_imm_ud((1<<5))); - brw_inst_set_pred_control(p->devinfo, brw_last_inst, BRW_PREDICATE_NORMAL); - brw_CMP(p, brw_null_reg(), BRW_CONDITIONAL_NZ, - get_element(t, 1), brw_imm_ud(0)); - brw_OR(p, c->reg.planemask, c->reg.planemask, brw_imm_ud((1<<3))); - brw_inst_set_pred_control(p->devinfo, brw_last_inst, BRW_PREDICATE_NORMAL); - brw_CMP(p, brw_null_reg(), BRW_CONDITIONAL_NZ, - get_element(t, 2), brw_imm_ud(0)); - brw_OR(p, c->reg.planemask, c->reg.planemask, brw_imm_ud((1<<1))); - brw_inst_set_pred_control(p->devinfo, brw_last_inst, BRW_PREDICATE_NORMAL); - - /* test farz, xmax, ymax plane */ - /* clip.xyz > clip.w */ - brw_CMP(p, t1, BRW_CONDITIONAL_G, v0, get_element(v0, 3)); - brw_CMP(p, t2, BRW_CONDITIONAL_G, v1, get_element(v1, 3)); - brw_CMP(p, t3, BRW_CONDITIONAL_G, v2, get_element(v2, 3)); - - /* All vertices are outside of a plane, rejected */ - brw_AND(p, t, t1, t2); - brw_AND(p, t, t, t3); - brw_OR(p, tmp0, get_element(t, 0), get_element(t, 1)); - brw_OR(p, tmp0, tmp0, get_element(t, 2)); - brw_AND(p, brw_null_reg(), tmp0, brw_imm_ud(0x1)); - brw_inst_set_cond_modifier(p->devinfo, brw_last_inst, BRW_CONDITIONAL_NZ); - brw_IF(p, BRW_EXECUTE_1); - { - brw_clip_kill_thread(c); - } - brw_ENDIF(p); - brw_set_default_predicate_control(p, BRW_PREDICATE_NONE); - - /* some vertices are inside a plane, some are outside,need to clip */ - brw_XOR(p, t, t1, t2); - brw_XOR(p, t1, t2, t3); - brw_OR(p, t, t, t1); - brw_AND(p, t, t, brw_imm_ud(0x1)); - brw_CMP(p, brw_null_reg(), BRW_CONDITIONAL_NZ, - get_element(t, 0), brw_imm_ud(0)); - brw_OR(p, c->reg.planemask, c->reg.planemask, brw_imm_ud((1<<4))); - brw_inst_set_pred_control(p->devinfo, brw_last_inst, BRW_PREDICATE_NORMAL); - brw_CMP(p, brw_null_reg(), BRW_CONDITIONAL_NZ, - get_element(t, 1), brw_imm_ud(0)); - brw_OR(p, c->reg.planemask, c->reg.planemask, brw_imm_ud((1<<2))); - brw_inst_set_pred_control(p->devinfo, brw_last_inst, BRW_PREDICATE_NORMAL); - brw_CMP(p, brw_null_reg(), BRW_CONDITIONAL_NZ, - get_element(t, 2), brw_imm_ud(0)); - brw_OR(p, c->reg.planemask, c->reg.planemask, brw_imm_ud((1<<0))); - brw_inst_set_pred_control(p->devinfo, brw_last_inst, BRW_PREDICATE_NORMAL); - - release_tmps(c); -} - - -void brw_emit_tri_clip( struct brw_clip_compile *c ) -{ - struct brw_codegen *p = &c->func; - brw_clip_tri_alloc_regs(c, 3 + c->key.nr_userclip + 6); - brw_clip_tri_init_vertices(c); - brw_clip_init_clipmask(c); - brw_clip_init_ff_sync(c); - - /* if -ve rhw workaround bit is set, - do cliptest */ - if (p->devinfo->has_negative_rhw_bug) { - brw_AND(p, brw_null_reg(), get_element_ud(c->reg.R0, 2), - brw_imm_ud(1<<20)); - brw_inst_set_cond_modifier(p->devinfo, brw_last_inst, BRW_CONDITIONAL_NZ); - brw_IF(p, BRW_EXECUTE_1); - { - brw_clip_test(c); - } - brw_ENDIF(p); - } - /* Can't push into do_clip_tri because with polygon (or quad) - * flatshading, need to apply the flatshade here because we don't - * respect the PV when converting to trifan for emit: - */ - if (c->key.contains_flat_varying) - brw_clip_tri_flat_shade(c); - - if ((c->key.clip_mode == BRW_CLIPMODE_NORMAL) || - (c->key.clip_mode == BRW_CLIPMODE_KERNEL_CLIP)) - do_clip_tri(c); - else - maybe_do_clip_tri(c); - - brw_clip_tri_emit_polygon(c); - - /* Send an empty message to kill the thread: - */ - brw_clip_kill_thread(c); -} diff --git a/src/mesa/drivers/dri/i965/brw_clip_unfilled.c b/src/mesa/drivers/dri/i965/brw_clip_unfilled.c deleted file mode 100644 index 65ccf33e37b..00000000000 --- a/src/mesa/drivers/dri/i965/brw_clip_unfilled.c +++ /dev/null @@ -1,536 +0,0 @@ -/* - Copyright (C) Intel Corp. 2006. All Rights Reserved. - Intel funded Tungsten Graphics 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 <[email protected]> - */ - -#include "main/macros.h" -#include "main/enums.h" -#include "program/program.h" - -#include "intel_batchbuffer.h" - -#include "brw_defines.h" -#include "brw_context.h" -#include "brw_clip.h" - - - -/* This is performed against the original triangles, so no indirection - * required: -BZZZT! - */ -static void compute_tri_direction( struct brw_clip_compile *c ) -{ - struct brw_codegen *p = &c->func; - struct brw_reg e = c->reg.tmp0; - struct brw_reg f = c->reg.tmp1; - GLuint hpos_offset = brw_varying_to_offset(&c->vue_map, VARYING_SLOT_POS); - struct brw_reg v0 = byte_offset(c->reg.vertex[0], hpos_offset); - struct brw_reg v1 = byte_offset(c->reg.vertex[1], hpos_offset); - struct brw_reg v2 = byte_offset(c->reg.vertex[2], hpos_offset); - - - struct brw_reg v0n = get_tmp(c); - struct brw_reg v1n = get_tmp(c); - struct brw_reg v2n = get_tmp(c); - - /* Convert to NDC. - * NOTE: We can't modify the original vertex coordinates, - * as it may impact further operations. - * So, we have to keep normalized coordinates in temp registers. - * - * TBD-KC - * Try to optimize unnecessary MOV's. - */ - brw_MOV(p, v0n, v0); - brw_MOV(p, v1n, v1); - brw_MOV(p, v2n, v2); - - brw_clip_project_position(c, v0n); - brw_clip_project_position(c, v1n); - brw_clip_project_position(c, v2n); - - /* Calculate the vectors of two edges of the triangle: - */ - brw_ADD(p, e, v0n, negate(v2n)); - brw_ADD(p, f, v1n, negate(v2n)); - - /* Take their crossproduct: - */ - brw_set_default_access_mode(p, BRW_ALIGN_16); - brw_MUL(p, vec4(brw_null_reg()), brw_swizzle(e, BRW_SWIZZLE_YZXW), - brw_swizzle(f, BRW_SWIZZLE_ZXYW)); - brw_MAC(p, vec4(e), negate(brw_swizzle(e, BRW_SWIZZLE_ZXYW)), - brw_swizzle(f, BRW_SWIZZLE_YZXW)); - brw_set_default_access_mode(p, BRW_ALIGN_1); - - brw_MUL(p, c->reg.dir, c->reg.dir, vec4(e)); -} - - -static void cull_direction( struct brw_clip_compile *c ) -{ - struct brw_codegen *p = &c->func; - GLuint conditional; - - assert (!(c->key.fill_ccw == CLIP_CULL && - c->key.fill_cw == CLIP_CULL)); - - if (c->key.fill_ccw == CLIP_CULL) - conditional = BRW_CONDITIONAL_GE; - else - conditional = BRW_CONDITIONAL_L; - - brw_CMP(p, - vec1(brw_null_reg()), - conditional, - get_element(c->reg.dir, 2), - brw_imm_f(0)); - - brw_IF(p, BRW_EXECUTE_1); - { - brw_clip_kill_thread(c); - } - brw_ENDIF(p); -} - - - -static void copy_bfc( struct brw_clip_compile *c ) -{ - struct brw_codegen *p = &c->func; - GLuint conditional; - - /* Do we have any colors to copy? - */ - if (!(brw_clip_have_varying(c, VARYING_SLOT_COL0) && - brw_clip_have_varying(c, VARYING_SLOT_BFC0)) && - !(brw_clip_have_varying(c, VARYING_SLOT_COL1) && - brw_clip_have_varying(c, VARYING_SLOT_BFC1))) - return; - - /* In some weird degenerate cases we can end up testing the - * direction twice, once for culling and once for bfc copying. Oh - * well, that's what you get for setting weird GL state. - */ - if (c->key.copy_bfc_ccw) - conditional = BRW_CONDITIONAL_GE; - else - conditional = BRW_CONDITIONAL_L; - - brw_CMP(p, - vec1(brw_null_reg()), - conditional, - get_element(c->reg.dir, 2), - brw_imm_f(0)); - - brw_IF(p, BRW_EXECUTE_1); - { - GLuint i; - - for (i = 0; i < 3; i++) { - if (brw_clip_have_varying(c, VARYING_SLOT_COL0) && - brw_clip_have_varying(c, VARYING_SLOT_BFC0)) - brw_MOV(p, - byte_offset(c->reg.vertex[i], - brw_varying_to_offset(&c->vue_map, - VARYING_SLOT_COL0)), - byte_offset(c->reg.vertex[i], - brw_varying_to_offset(&c->vue_map, - VARYING_SLOT_BFC0))); - - if (brw_clip_have_varying(c, VARYING_SLOT_COL1) && - brw_clip_have_varying(c, VARYING_SLOT_BFC1)) - brw_MOV(p, - byte_offset(c->reg.vertex[i], - brw_varying_to_offset(&c->vue_map, - VARYING_SLOT_COL1)), - byte_offset(c->reg.vertex[i], - brw_varying_to_offset(&c->vue_map, - VARYING_SLOT_BFC1))); - } - } - brw_ENDIF(p); -} - - - - -/* - GLfloat iz = 1.0 / dir.z; - GLfloat ac = dir.x * iz; - GLfloat bc = dir.y * iz; - offset = ctx->Polygon.OffsetUnits * DEPTH_SCALE; - offset += MAX2( abs(ac), abs(bc) ) * ctx->Polygon.OffsetFactor; - if (ctx->Polygon.OffsetClamp && isfinite(ctx->Polygon.OffsetClamp)) { - if (ctx->Polygon.OffsetClamp < 0) - offset = MAX2( offset, ctx->Polygon.OffsetClamp ); - else - offset = MIN2( offset, ctx->Polygon.OffsetClamp ); - } - offset *= MRD; -*/ -static void compute_offset( struct brw_clip_compile *c ) -{ - struct brw_codegen *p = &c->func; - struct brw_reg off = c->reg.offset; - struct brw_reg dir = c->reg.dir; - - brw_math_invert(p, get_element(off, 2), get_element(dir, 2)); - brw_MUL(p, vec2(off), vec2(dir), get_element(off, 2)); - - brw_CMP(p, - vec1(brw_null_reg()), - BRW_CONDITIONAL_GE, - brw_abs(get_element(off, 0)), - brw_abs(get_element(off, 1))); - - brw_SEL(p, vec1(off), - brw_abs(get_element(off, 0)), brw_abs(get_element(off, 1))); - brw_inst_set_pred_control(p->devinfo, brw_last_inst, BRW_PREDICATE_NORMAL); - - brw_MUL(p, vec1(off), vec1(off), brw_imm_f(c->key.offset_factor)); - brw_ADD(p, vec1(off), vec1(off), brw_imm_f(c->key.offset_units)); - if (c->key.offset_clamp && isfinite(c->key.offset_clamp)) { - brw_CMP(p, - vec1(brw_null_reg()), - c->key.offset_clamp < 0 ? BRW_CONDITIONAL_GE : BRW_CONDITIONAL_L, - vec1(off), - brw_imm_f(c->key.offset_clamp)); - brw_SEL(p, vec1(off), vec1(off), brw_imm_f(c->key.offset_clamp)); - } -} - - -static void merge_edgeflags( struct brw_clip_compile *c ) -{ - struct brw_codegen *p = &c->func; - struct brw_reg tmp0 = get_element_ud(c->reg.tmp0, 0); - - brw_AND(p, tmp0, get_element_ud(c->reg.R0, 2), brw_imm_ud(PRIM_MASK)); - brw_CMP(p, - vec1(brw_null_reg()), - BRW_CONDITIONAL_EQ, - tmp0, - brw_imm_ud(_3DPRIM_POLYGON)); - - /* Get away with using reg.vertex because we know that this is not - * a _3DPRIM_TRISTRIP_REVERSE: - */ - brw_IF(p, BRW_EXECUTE_1); - { - brw_AND(p, vec1(brw_null_reg()), get_element_ud(c->reg.R0, 2), brw_imm_ud(1<<8)); - brw_inst_set_cond_modifier(p->devinfo, brw_last_inst, BRW_CONDITIONAL_EQ); - brw_MOV(p, byte_offset(c->reg.vertex[0], - brw_varying_to_offset(&c->vue_map, - VARYING_SLOT_EDGE)), - brw_imm_f(0)); - brw_inst_set_pred_control(p->devinfo, brw_last_inst, BRW_PREDICATE_NORMAL); - - brw_AND(p, vec1(brw_null_reg()), get_element_ud(c->reg.R0, 2), brw_imm_ud(1<<9)); - brw_inst_set_cond_modifier(p->devinfo, brw_last_inst, BRW_CONDITIONAL_EQ); - brw_MOV(p, byte_offset(c->reg.vertex[2], - brw_varying_to_offset(&c->vue_map, - VARYING_SLOT_EDGE)), - brw_imm_f(0)); - brw_inst_set_pred_control(p->devinfo, brw_last_inst, BRW_PREDICATE_NORMAL); - } - brw_ENDIF(p); -} - - - -static void apply_one_offset( struct brw_clip_compile *c, - struct brw_indirect vert ) -{ - struct brw_codegen *p = &c->func; - GLuint ndc_offset = brw_varying_to_offset(&c->vue_map, - BRW_VARYING_SLOT_NDC); - struct brw_reg z = deref_1f(vert, ndc_offset + - 2 * type_sz(BRW_REGISTER_TYPE_F)); - - brw_ADD(p, z, z, vec1(c->reg.offset)); -} - - - -/*********************************************************************** - * Output clipped polygon as an unfilled primitive: - */ -static void emit_lines(struct brw_clip_compile *c, - bool do_offset) -{ - struct brw_codegen *p = &c->func; - struct brw_indirect v0 = brw_indirect(0, 0); - struct brw_indirect v1 = brw_indirect(1, 0); - struct brw_indirect v0ptr = brw_indirect(2, 0); - struct brw_indirect v1ptr = brw_indirect(3, 0); - - /* Need a separate loop for offset: - */ - if (do_offset) { - brw_MOV(p, c->reg.loopcount, c->reg.nr_verts); - brw_MOV(p, get_addr_reg(v0ptr), brw_address(c->reg.inlist)); - - brw_DO(p, BRW_EXECUTE_1); - { - brw_MOV(p, get_addr_reg(v0), deref_1uw(v0ptr, 0)); - brw_ADD(p, get_addr_reg(v0ptr), get_addr_reg(v0ptr), brw_imm_uw(2)); - - apply_one_offset(c, v0); - - brw_ADD(p, c->reg.loopcount, c->reg.loopcount, brw_imm_d(-1)); - brw_inst_set_cond_modifier(p->devinfo, brw_last_inst, BRW_CONDITIONAL_G); - } - brw_WHILE(p); - brw_inst_set_pred_control(p->devinfo, brw_last_inst, BRW_PREDICATE_NORMAL); - } - - /* v1ptr = &inlist[nr_verts] - * *v1ptr = v0 - */ - brw_MOV(p, c->reg.loopcount, c->reg.nr_verts); - brw_MOV(p, get_addr_reg(v0ptr), brw_address(c->reg.inlist)); - brw_ADD(p, get_addr_reg(v1ptr), get_addr_reg(v0ptr), retype(c->reg.nr_verts, BRW_REGISTER_TYPE_UW)); - brw_ADD(p, get_addr_reg(v1ptr), get_addr_reg(v1ptr), retype(c->reg.nr_verts, BRW_REGISTER_TYPE_UW)); - brw_MOV(p, deref_1uw(v1ptr, 0), deref_1uw(v0ptr, 0)); - - brw_DO(p, BRW_EXECUTE_1); - { - brw_MOV(p, get_addr_reg(v0), deref_1uw(v0ptr, 0)); - brw_MOV(p, get_addr_reg(v1), deref_1uw(v0ptr, 2)); - brw_ADD(p, get_addr_reg(v0ptr), get_addr_reg(v0ptr), brw_imm_uw(2)); - - /* draw edge if edgeflag != 0 */ - brw_CMP(p, - vec1(brw_null_reg()), BRW_CONDITIONAL_NZ, - deref_1f(v0, brw_varying_to_offset(&c->vue_map, - VARYING_SLOT_EDGE)), - brw_imm_f(0)); - brw_IF(p, BRW_EXECUTE_1); - { - brw_clip_emit_vue(c, v0, BRW_URB_WRITE_ALLOCATE_COMPLETE, - (_3DPRIM_LINESTRIP << URB_WRITE_PRIM_TYPE_SHIFT) - | URB_WRITE_PRIM_START); - brw_clip_emit_vue(c, v1, BRW_URB_WRITE_ALLOCATE_COMPLETE, - (_3DPRIM_LINESTRIP << URB_WRITE_PRIM_TYPE_SHIFT) - | URB_WRITE_PRIM_END); - } - brw_ENDIF(p); - - brw_ADD(p, c->reg.loopcount, c->reg.loopcount, brw_imm_d(-1)); - brw_inst_set_cond_modifier(p->devinfo, brw_last_inst, BRW_CONDITIONAL_NZ); - } - brw_WHILE(p); - brw_inst_set_pred_control(p->devinfo, brw_last_inst, BRW_PREDICATE_NORMAL); -} - - - -static void emit_points(struct brw_clip_compile *c, - bool do_offset ) -{ - struct brw_codegen *p = &c->func; - - struct brw_indirect v0 = brw_indirect(0, 0); - struct brw_indirect v0ptr = brw_indirect(2, 0); - - brw_MOV(p, c->reg.loopcount, c->reg.nr_verts); - brw_MOV(p, get_addr_reg(v0ptr), brw_address(c->reg.inlist)); - - brw_DO(p, BRW_EXECUTE_1); - { - brw_MOV(p, get_addr_reg(v0), deref_1uw(v0ptr, 0)); - brw_ADD(p, get_addr_reg(v0ptr), get_addr_reg(v0ptr), brw_imm_uw(2)); - - /* draw if edgeflag != 0 - */ - brw_CMP(p, - vec1(brw_null_reg()), BRW_CONDITIONAL_NZ, - deref_1f(v0, brw_varying_to_offset(&c->vue_map, - VARYING_SLOT_EDGE)), - brw_imm_f(0)); - brw_IF(p, BRW_EXECUTE_1); - { - if (do_offset) - apply_one_offset(c, v0); - - brw_clip_emit_vue(c, v0, BRW_URB_WRITE_ALLOCATE_COMPLETE, - (_3DPRIM_POINTLIST << URB_WRITE_PRIM_TYPE_SHIFT) - | URB_WRITE_PRIM_START | URB_WRITE_PRIM_END); - } - brw_ENDIF(p); - - brw_ADD(p, c->reg.loopcount, c->reg.loopcount, brw_imm_d(-1)); - brw_inst_set_cond_modifier(p->devinfo, brw_last_inst, BRW_CONDITIONAL_NZ); - } - brw_WHILE(p); - brw_inst_set_pred_control(p->devinfo, brw_last_inst, BRW_PREDICATE_NORMAL); -} - - - - - - - -static void emit_primitives( struct brw_clip_compile *c, - GLuint mode, - bool do_offset ) -{ - switch (mode) { - case CLIP_FILL: - brw_clip_tri_emit_polygon(c); - break; - - case CLIP_LINE: - emit_lines(c, do_offset); - break; - - case CLIP_POINT: - emit_points(c, do_offset); - break; - - case CLIP_CULL: - unreachable("not reached"); - } -} - - - -static void emit_unfilled_primitives( struct brw_clip_compile *c ) -{ - struct brw_codegen *p = &c->func; - - /* Direction culling has already been done. - */ - if (c->key.fill_ccw != c->key.fill_cw && - c->key.fill_ccw != CLIP_CULL && - c->key.fill_cw != CLIP_CULL) - { - brw_CMP(p, - vec1(brw_null_reg()), - BRW_CONDITIONAL_GE, - get_element(c->reg.dir, 2), - brw_imm_f(0)); - - brw_IF(p, BRW_EXECUTE_1); - { - emit_primitives(c, c->key.fill_ccw, c->key.offset_ccw); - } - brw_ELSE(p); - { - emit_primitives(c, c->key.fill_cw, c->key.offset_cw); - } - brw_ENDIF(p); - } - else if (c->key.fill_cw != CLIP_CULL) { - emit_primitives(c, c->key.fill_cw, c->key.offset_cw); - } - else if (c->key.fill_ccw != CLIP_CULL) { - emit_primitives(c, c->key.fill_ccw, c->key.offset_ccw); - } -} - - - - -static void check_nr_verts( struct brw_clip_compile *c ) -{ - struct brw_codegen *p = &c->func; - - brw_CMP(p, vec1(brw_null_reg()), BRW_CONDITIONAL_L, c->reg.nr_verts, brw_imm_d(3)); - brw_IF(p, BRW_EXECUTE_1); - { - brw_clip_kill_thread(c); - } - brw_ENDIF(p); -} - - -void brw_emit_unfilled_clip( struct brw_clip_compile *c ) -{ - struct brw_codegen *p = &c->func; - - c->need_direction = ((c->key.offset_ccw || c->key.offset_cw) || - (c->key.fill_ccw != c->key.fill_cw) || - c->key.fill_ccw == CLIP_CULL || - c->key.fill_cw == CLIP_CULL || - c->key.copy_bfc_cw || - c->key.copy_bfc_ccw); - - brw_clip_tri_alloc_regs(c, 3 + c->key.nr_userclip + 6); - brw_clip_tri_init_vertices(c); - brw_clip_init_ff_sync(c); - - assert(brw_clip_have_varying(c, VARYING_SLOT_EDGE)); - - if (c->key.fill_ccw == CLIP_CULL && - c->key.fill_cw == CLIP_CULL) { - brw_clip_kill_thread(c); - return; - } - - merge_edgeflags(c); - - /* Need to use the inlist indirection here: - */ - if (c->need_direction) - compute_tri_direction(c); - - if (c->key.fill_ccw == CLIP_CULL || - c->key.fill_cw == CLIP_CULL) - cull_direction(c); - - if (c->key.offset_ccw || - c->key.offset_cw) - compute_offset(c); - - if (c->key.copy_bfc_ccw || - c->key.copy_bfc_cw) - copy_bfc(c); - - /* Need to do this whether we clip or not: - */ - if (c->key.contains_flat_varying) - brw_clip_tri_flat_shade(c); - - brw_clip_init_clipmask(c); - brw_CMP(p, vec1(brw_null_reg()), BRW_CONDITIONAL_NZ, c->reg.planemask, brw_imm_ud(0)); - brw_IF(p, BRW_EXECUTE_1); - { - brw_clip_init_planes(c); - brw_clip_tri(c); - check_nr_verts(c); - } - brw_ENDIF(p); - - emit_unfilled_primitives(c); - brw_clip_kill_thread(c); -} diff --git a/src/mesa/drivers/dri/i965/brw_clip_util.c b/src/mesa/drivers/dri/i965/brw_clip_util.c deleted file mode 100644 index e0fdd3d7eea..00000000000 --- a/src/mesa/drivers/dri/i965/brw_clip_util.c +++ /dev/null @@ -1,475 +0,0 @@ -/* - Copyright (C) Intel Corp. 2006. All Rights Reserved. - Intel funded Tungsten Graphics 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 <[email protected]> - */ - - -#include "main/macros.h" -#include "main/enums.h" -#include "program/program.h" - -#include "intel_batchbuffer.h" - -#include "brw_defines.h" -#include "brw_context.h" -#include "brw_clip.h" - - - - -struct brw_reg get_tmp( struct brw_clip_compile *c ) -{ - struct brw_reg tmp = brw_vec4_grf(c->last_tmp, 0); - - if (++c->last_tmp > c->prog_data.total_grf) - c->prog_data.total_grf = c->last_tmp; - - return tmp; -} - -static void release_tmp( struct brw_clip_compile *c, struct brw_reg tmp ) -{ - if (tmp.nr == c->last_tmp-1) - c->last_tmp--; -} - - -static struct brw_reg make_plane_ud(GLuint x, GLuint y, GLuint z, GLuint w) -{ - return brw_imm_ud((w<<24) | (z<<16) | (y<<8) | x); -} - - -void brw_clip_init_planes( struct brw_clip_compile *c ) -{ - struct brw_codegen *p = &c->func; - - if (!c->key.nr_userclip) { - brw_MOV(p, get_element_ud(c->reg.fixed_planes, 0), make_plane_ud( 0, 0, 0xff, 1)); - brw_MOV(p, get_element_ud(c->reg.fixed_planes, 1), make_plane_ud( 0, 0, 1, 1)); - brw_MOV(p, get_element_ud(c->reg.fixed_planes, 2), make_plane_ud( 0, 0xff, 0, 1)); - brw_MOV(p, get_element_ud(c->reg.fixed_planes, 3), make_plane_ud( 0, 1, 0, 1)); - brw_MOV(p, get_element_ud(c->reg.fixed_planes, 4), make_plane_ud(0xff, 0, 0, 1)); - brw_MOV(p, get_element_ud(c->reg.fixed_planes, 5), make_plane_ud( 1, 0, 0, 1)); - } -} - - - -#define W 3 - -/* Project 'pos' to screen space (or back again), overwrite with results: - */ -void brw_clip_project_position(struct brw_clip_compile *c, struct brw_reg pos ) -{ - struct brw_codegen *p = &c->func; - - /* calc rhw - */ - brw_math_invert(p, get_element(pos, W), get_element(pos, W)); - - /* value.xyz *= value.rhw - */ - brw_set_default_access_mode(p, BRW_ALIGN_16); - brw_MUL(p, brw_writemask(pos, WRITEMASK_XYZ), pos, - brw_swizzle(pos, BRW_SWIZZLE_WWWW)); - brw_set_default_access_mode(p, BRW_ALIGN_1); -} - - -static void brw_clip_project_vertex( struct brw_clip_compile *c, - struct brw_indirect vert_addr ) -{ - struct brw_codegen *p = &c->func; - struct brw_reg tmp = get_tmp(c); - GLuint hpos_offset = brw_varying_to_offset(&c->vue_map, VARYING_SLOT_POS); - GLuint ndc_offset = brw_varying_to_offset(&c->vue_map, - BRW_VARYING_SLOT_NDC); - - /* Fixup position. Extract from the original vertex and re-project - * to screen space: - */ - brw_MOV(p, tmp, deref_4f(vert_addr, hpos_offset)); - brw_clip_project_position(c, tmp); - brw_MOV(p, deref_4f(vert_addr, ndc_offset), tmp); - - release_tmp(c, tmp); -} - - - - -/* Interpolate between two vertices and put the result into a0.0. - * Increment a0.0 accordingly. - * - * Beware that dest_ptr can be equal to v0_ptr! - */ -void brw_clip_interp_vertex( struct brw_clip_compile *c, - struct brw_indirect dest_ptr, - struct brw_indirect v0_ptr, /* from */ - struct brw_indirect v1_ptr, /* to */ - struct brw_reg t0, - bool force_edgeflag) -{ - struct brw_codegen *p = &c->func; - struct brw_reg t_nopersp, v0_ndc_copy; - GLuint slot; - - /* Just copy the vertex header: - */ - /* - * After CLIP stage, only first 256 bits of the VUE are read - * back on Ironlake, so needn't change it - */ - brw_copy_indirect_to_indirect(p, dest_ptr, v0_ptr, 1); - - - /* First handle the 3D and NDC interpolation, in case we - * need noperspective interpolation. Doing it early has no - * performance impact in any case. - */ - - /* Take a copy of the v0 NDC coordinates, in case dest == v0. */ - if (c->key.contains_noperspective_varying) { - GLuint offset = brw_varying_to_offset(&c->vue_map, - BRW_VARYING_SLOT_NDC); - v0_ndc_copy = get_tmp(c); - brw_MOV(p, v0_ndc_copy, deref_4f(v0_ptr, offset)); - } - - /* Compute the new 3D position - * - * dest_hpos = v0_hpos * (1 - t0) + v1_hpos * t0 - */ - { - GLuint delta = brw_varying_to_offset(&c->vue_map, VARYING_SLOT_POS); - struct brw_reg tmp = get_tmp(c); - brw_MUL(p, vec4(brw_null_reg()), deref_4f(v1_ptr, delta), t0); - brw_MAC(p, tmp, negate(deref_4f(v0_ptr, delta)), t0); - brw_ADD(p, deref_4f(dest_ptr, delta), deref_4f(v0_ptr, delta), tmp); - release_tmp(c, tmp); - } - - /* Recreate the projected (NDC) coordinate in the new vertex header */ - brw_clip_project_vertex(c, dest_ptr); - - /* If we have noperspective attributes, - * we need to compute the screen-space t - */ - if (c->key.contains_noperspective_varying) { - GLuint delta = brw_varying_to_offset(&c->vue_map, - BRW_VARYING_SLOT_NDC); - struct brw_reg tmp = get_tmp(c); - t_nopersp = get_tmp(c); - - /* t_nopersp = vec4(v1.xy, dest.xy) */ - brw_MOV(p, t_nopersp, deref_4f(v1_ptr, delta)); - brw_MOV(p, tmp, deref_4f(dest_ptr, delta)); - brw_set_default_access_mode(p, BRW_ALIGN_16); - brw_MOV(p, - brw_writemask(t_nopersp, WRITEMASK_ZW), - brw_swizzle(tmp, BRW_SWIZZLE_XYXY)); - - /* t_nopersp = vec4(v1.xy, dest.xy) - v0.xyxy */ - brw_ADD(p, t_nopersp, t_nopersp, - negate(brw_swizzle(v0_ndc_copy, BRW_SWIZZLE_XYXY))); - - /* Add the absolute values of the X and Y deltas so that if - * the points aren't in the same place on the screen we get - * nonzero values to divide. - * - * After that, we have vert1 - vert0 in t_nopersp.x and - * vertnew - vert0 in t_nopersp.y - * - * t_nopersp = vec2(|v1.x -v0.x| + |v1.y -v0.y|, - * |dest.x-v0.x| + |dest.y-v0.y|) - */ - brw_ADD(p, - brw_writemask(t_nopersp, WRITEMASK_XY), - brw_abs(brw_swizzle(t_nopersp, BRW_SWIZZLE_XZXZ)), - brw_abs(brw_swizzle(t_nopersp, BRW_SWIZZLE_YWYW))); - brw_set_default_access_mode(p, BRW_ALIGN_1); - - /* If the points are in the same place, just substitute a - * value to avoid divide-by-zero - */ - brw_CMP(p, vec1(brw_null_reg()), BRW_CONDITIONAL_EQ, - vec1(t_nopersp), - brw_imm_f(0)); - brw_IF(p, BRW_EXECUTE_1); - brw_MOV(p, t_nopersp, brw_imm_vf4(brw_float_to_vf(1.0), - brw_float_to_vf(0.0), - brw_float_to_vf(0.0), - brw_float_to_vf(0.0))); - brw_ENDIF(p); - - /* Now compute t_nopersp = t_nopersp.y/t_nopersp.x and broadcast it. */ - brw_math_invert(p, get_element(t_nopersp, 0), get_element(t_nopersp, 0)); - brw_MUL(p, vec1(t_nopersp), vec1(t_nopersp), - vec1(suboffset(t_nopersp, 1))); - brw_set_default_access_mode(p, BRW_ALIGN_16); - brw_MOV(p, t_nopersp, brw_swizzle(t_nopersp, BRW_SWIZZLE_XXXX)); - brw_set_default_access_mode(p, BRW_ALIGN_1); - - release_tmp(c, tmp); - release_tmp(c, v0_ndc_copy); - } - - /* Now we can iterate over each attribute - * (could be done in pairs?) - */ - for (slot = 0; slot < c->vue_map.num_slots; slot++) { - int varying = c->vue_map.slot_to_varying[slot]; - GLuint delta = brw_vue_slot_to_offset(slot); - - /* HPOS, NDC already handled above */ - if (varying == VARYING_SLOT_POS || varying == BRW_VARYING_SLOT_NDC) - continue; - - - if (varying == VARYING_SLOT_EDGE) { - if (force_edgeflag) - brw_MOV(p, deref_4f(dest_ptr, delta), brw_imm_f(1)); - else - brw_MOV(p, deref_4f(dest_ptr, delta), deref_4f(v0_ptr, delta)); - } else if (varying == VARYING_SLOT_PSIZ) { - /* PSIZ doesn't need interpolation because it isn't used by the - * fragment shader. - */ - } else if (varying < VARYING_SLOT_MAX) { - /* This is a true vertex result (and not a special value for the VUE - * header), so interpolate: - * - * New = attr0 + t*attr1 - t*attr0 - * - * Unless the attribute is flat shaded -- in which case just copy - * from one of the sources (doesn't matter which; already copied from pv) - */ - GLuint interp = c->key.interp_mode[slot]; - - if (interp != INTERP_MODE_FLAT) { - struct brw_reg tmp = get_tmp(c); - struct brw_reg t = - interp == INTERP_MODE_NOPERSPECTIVE ? t_nopersp : t0; - - brw_MUL(p, - vec4(brw_null_reg()), - deref_4f(v1_ptr, delta), - t); - - brw_MAC(p, - tmp, - negate(deref_4f(v0_ptr, delta)), - t); - - brw_ADD(p, - deref_4f(dest_ptr, delta), - deref_4f(v0_ptr, delta), - tmp); - - release_tmp(c, tmp); - } - else { - brw_MOV(p, - deref_4f(dest_ptr, delta), - deref_4f(v0_ptr, delta)); - } - } - } - - if (c->vue_map.num_slots % 2) { - GLuint delta = brw_vue_slot_to_offset(c->vue_map.num_slots); - - brw_MOV(p, deref_4f(dest_ptr, delta), brw_imm_f(0)); - } - - if (c->key.contains_noperspective_varying) - release_tmp(c, t_nopersp); -} - -void brw_clip_emit_vue(struct brw_clip_compile *c, - struct brw_indirect vert, - enum brw_urb_write_flags flags, - GLuint header) -{ - struct brw_codegen *p = &c->func; - bool allocate = flags & BRW_URB_WRITE_ALLOCATE; - - brw_clip_ff_sync(c); - - /* Any URB entry that is allocated must subsequently be used or discarded, - * so it doesn't make sense to mark EOT and ALLOCATE at the same time. - */ - assert(!(allocate && (flags & BRW_URB_WRITE_EOT))); - - /* Copy the vertex from vertn into m1..mN+1: - */ - brw_copy_from_indirect(p, brw_message_reg(1), vert, c->nr_regs); - - /* Overwrite PrimType and PrimStart in the message header, for - * each vertex in turn: - */ - brw_MOV(p, get_element_ud(c->reg.R0, 2), brw_imm_ud(header)); - - - /* Send each vertex as a separate write to the urb. This - * is different to the concept in brw_sf_emit.c, where - * subsequent writes are used to build up a single urb - * entry. Each of these writes instantiates a separate - * urb entry - (I think... what about 'allocate'?) - */ - brw_urb_WRITE(p, - allocate ? c->reg.R0 : retype(brw_null_reg(), BRW_REGISTER_TYPE_UD), - 0, - c->reg.R0, - flags, - c->nr_regs + 1, /* msg length */ - allocate ? 1 : 0, /* response_length */ - 0, /* urb offset */ - BRW_URB_SWIZZLE_NONE); -} - - - -void brw_clip_kill_thread(struct brw_clip_compile *c) -{ - struct brw_codegen *p = &c->func; - - brw_clip_ff_sync(c); - /* Send an empty message to kill the thread and release any - * allocated urb entry: - */ - brw_urb_WRITE(p, - retype(brw_null_reg(), BRW_REGISTER_TYPE_UD), - 0, - c->reg.R0, - BRW_URB_WRITE_UNUSED | BRW_URB_WRITE_EOT_COMPLETE, - 1, /* msg len */ - 0, /* response len */ - 0, - BRW_URB_SWIZZLE_NONE); -} - - - - -struct brw_reg brw_clip_plane0_address( struct brw_clip_compile *c ) -{ - return brw_address(c->reg.fixed_planes); -} - - -struct brw_reg brw_clip_plane_stride( struct brw_clip_compile *c ) -{ - if (c->key.nr_userclip) { - return brw_imm_uw(16); - } - else { - return brw_imm_uw(4); - } -} - - -/* Distribute flatshaded attributes from provoking vertex prior to - * clipping. - */ -void brw_clip_copy_flatshaded_attributes( struct brw_clip_compile *c, - GLuint to, GLuint from ) -{ - struct brw_codegen *p = &c->func; - - for (int i = 0; i < c->vue_map.num_slots; i++) { - if (c->key.interp_mode[i] == INTERP_MODE_FLAT) { - brw_MOV(p, - byte_offset(c->reg.vertex[to], brw_vue_slot_to_offset(i)), - byte_offset(c->reg.vertex[from], brw_vue_slot_to_offset(i))); - } - } -} - - - -void brw_clip_init_clipmask( struct brw_clip_compile *c ) -{ - struct brw_codegen *p = &c->func; - struct brw_reg incoming = get_element_ud(c->reg.R0, 2); - - /* Shift so that lowest outcode bit is rightmost: - */ - brw_SHR(p, c->reg.planemask, incoming, brw_imm_ud(26)); - - if (c->key.nr_userclip) { - struct brw_reg tmp = retype(vec1(get_tmp(c)), BRW_REGISTER_TYPE_UD); - - /* Rearrange userclip outcodes so that they come directly after - * the fixed plane bits. - */ - if (p->devinfo->gen == 5 || p->devinfo->is_g4x) - brw_AND(p, tmp, incoming, brw_imm_ud(0xff<<14)); - else - brw_AND(p, tmp, incoming, brw_imm_ud(0x3f<<14)); - - brw_SHR(p, tmp, tmp, brw_imm_ud(8)); - brw_OR(p, c->reg.planemask, c->reg.planemask, tmp); - - release_tmp(c, tmp); - } -} - -void brw_clip_ff_sync(struct brw_clip_compile *c) -{ - struct brw_codegen *p = &c->func; - - if (p->devinfo->gen == 5) { - brw_AND(p, brw_null_reg(), c->reg.ff_sync, brw_imm_ud(0x1)); - brw_inst_set_cond_modifier(p->devinfo, brw_last_inst, BRW_CONDITIONAL_Z); - brw_IF(p, BRW_EXECUTE_1); - { - brw_OR(p, c->reg.ff_sync, c->reg.ff_sync, brw_imm_ud(0x1)); - brw_ff_sync(p, - c->reg.R0, - 0, - c->reg.R0, - 1, /* allocate */ - 1, /* response length */ - 0 /* eot */); - } - brw_ENDIF(p); - brw_set_default_predicate_control(p, BRW_PREDICATE_NONE); - } -} - -void brw_clip_init_ff_sync(struct brw_clip_compile *c) -{ - struct brw_codegen *p = &c->func; - - if (p->devinfo->gen == 5) { - brw_MOV(p, c->reg.ff_sync, brw_imm_ud(0)); - } -} diff --git a/src/mesa/drivers/dri/i965/brw_context.h b/src/mesa/drivers/dri/i965/brw_context.h index 5e727389170..22a84e6197c 100644 --- a/src/mesa/drivers/dri/i965/brw_context.h +++ b/src/mesa/drivers/dri/i965/brw_context.h @@ -325,13 +325,6 @@ struct brw_program { }; -struct brw_clip_prog_data { - GLuint curb_read_length; /* user planes? */ - GLuint clip_mode; - GLuint urb_read_length; - GLuint total_grf; -}; - struct brw_ff_gs_prog_data { GLuint urb_read_length; GLuint total_grf; diff --git a/src/mesa/drivers/dri/i965/brw_defines.h b/src/mesa/drivers/dri/i965/brw_defines.h index 7ce47ac75b9..ace83ef57af 100644 --- a/src/mesa/drivers/dri/i965/brw_defines.h +++ b/src/mesa/drivers/dri/i965/brw_defines.h @@ -109,13 +109,6 @@ #define BRW_CLIP_API_OGL 0 #define BRW_CLIP_API_DX 1 -#define BRW_CLIPMODE_NORMAL 0 -#define BRW_CLIPMODE_CLIP_ALL 1 -#define BRW_CLIPMODE_CLIP_NON_REJECTED 2 -#define BRW_CLIPMODE_REJECT_ALL 3 -#define BRW_CLIPMODE_ACCEPT_ALL 4 -#define BRW_CLIPMODE_KERNEL_CLIP 5 - #define BRW_CLIP_NDCSPACE 0 #define BRW_CLIP_SCREENSPACE 1 |