X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fdrivers%2Fdri%2Fi965%2Fbrw_clip_tri.c;h=2c28c49dbeba0df746648ee0c64d1592cb3fc851;hb=cf40ebacb113a370c1b2445e881f8dc440a7d8f3;hp=995a8909ccfacc1b1277232c866c7738bab48a5c;hpb=a9e8c10bd76f9a94b878b76bb5ae696beeaae2e0;p=mesa.git diff --git a/src/mesa/drivers/dri/i965/brw_clip_tri.c b/src/mesa/drivers/dri/i965/brw_clip_tri.c index 995a8909ccf..2c28c49dbeb 100644 --- a/src/mesa/drivers/dri/i965/brw_clip_tri.c +++ b/src/mesa/drivers/dri/i965/brw_clip_tri.c @@ -1,8 +1,8 @@ /* Copyright (C) Intel Corp. 2006. All Rights Reserved. - Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to + 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 @@ -10,11 +10,11 @@ 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. @@ -22,11 +22,11 @@ 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 Whitwell */ #include "main/glheader.h" @@ -47,7 +47,7 @@ static void release_tmps( struct brw_clip_compile *c ) } -void brw_clip_tri_alloc_regs( struct brw_clip_compile *c, +void brw_clip_tri_alloc_regs( struct brw_clip_compile *c, GLuint nr_verts ) { struct brw_context *brw = c->func.brw; @@ -106,7 +106,7 @@ void brw_clip_tri_alloc_regs( struct brw_clip_compile *c, i++; if (!c->key.nr_userclip) { - c->reg.fixed_planes = brw_vec8_grf(i, 0); + c->reg.fixed_planes = brw_vec8_grf(i, 0); i++; } @@ -144,10 +144,10 @@ void brw_clip_tri_init_vertices( struct brw_clip_compile *c ) /* 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, + 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)); @@ -155,7 +155,7 @@ void brw_clip_tri_init_vertices( struct brw_clip_compile *c ) * 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) @@ -182,10 +182,10 @@ void brw_clip_tri_flat_shade( struct brw_clip_compile *c ) struct brw_compile *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, + 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)); @@ -296,10 +296,10 @@ void brw_clip_tri( struct brw_clip_compile *c ) */ brw_set_conditionalmod(p, BRW_CONDITIONAL_NZ); brw_AND(p, vec1(brw_null_reg()), c->reg.planemask, brw_imm_ud(1)); - + brw_IF(p, BRW_EXECUTE_1); { - /* vtxOut = freelist_ptr++ + /* 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)); @@ -308,7 +308,7 @@ void brw_clip_tri( struct brw_clip_compile *c ) 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)); @@ -343,7 +343,7 @@ void brw_clip_tri( struct brw_clip_compile *c ) brw_clip_interp_vertex(c, vtxOut, vtxPrev, vtx, c->reg.t, false); /* *outlist_ptr++ = vtxOut; - * nr_verts++; + * nr_verts++; * vtxOut = 0; */ brw_MOV(p, deref_1uw(outlist_ptr, 0), get_addr_reg(vtxOut)); @@ -352,7 +352,7 @@ void brw_clip_tri( struct brw_clip_compile *c ) brw_MOV(p, get_addr_reg(vtxOut), brw_imm_uw(0) ); } brw_ENDIF(p); - + } brw_ELSE(p); { @@ -384,18 +384,18 @@ void brw_clip_tri( struct brw_clip_compile *c ) brw_clip_interp_vertex(c, vtxOut, vtx, vtxPrev, c->reg.t, true); /* *outlist_ptr++ = vtxOut; - * nr_verts++; + * 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++; */ @@ -406,7 +406,7 @@ void brw_clip_tri( struct brw_clip_compile *c ) */ brw_set_conditionalmod(p, BRW_CONDITIONAL_NZ); brw_ADD(p, c->reg.loopcount, c->reg.loopcount, brw_imm_d(-1)); - } + } brw_WHILE(p); /* vtxPrev = *(outlist_ptr-1) OR: outlist[nr_verts-1] @@ -421,19 +421,19 @@ void brw_clip_tri( struct brw_clip_compile *c ) 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 + /* nr_verts >= 3 */ brw_CMP(p, vec1(brw_null_reg()), BRW_CONDITIONAL_GE, c->reg.nr_verts, brw_imm_ud(3)); - + /* && (planemask>>=1) != 0 */ brw_set_conditionalmod(p, BRW_CONDITIONAL_NZ); @@ -469,7 +469,7 @@ void brw_clip_tri_emit_polygon(struct brw_clip_compile *c) 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)); @@ -477,7 +477,7 @@ void brw_clip_tri_emit_polygon(struct brw_clip_compile *c) { 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)); @@ -544,11 +544,11 @@ static void brw_clip_test( struct brw_clip_compile *c ) /* 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, t1, BRW_CONDITIONAL_L, v0, negate(get_element(v0, 3))); brw_set_predicate_control(p, BRW_PREDICATE_NONE); - brw_CMP(p, t2, BRW_CONDITIONAL_L, v1, negate(get_element(v1, 3))); + brw_CMP(p, t2, BRW_CONDITIONAL_L, v1, negate(get_element(v1, 3))); brw_set_predicate_control(p, BRW_PREDICATE_NONE); - brw_CMP(p, t3, BRW_CONDITIONAL_L, v2, negate(get_element(v2, 3))); + brw_CMP(p, t3, BRW_CONDITIONAL_L, v2, negate(get_element(v2, 3))); brw_set_predicate_control(p, BRW_PREDICATE_NONE); /* All vertices are outside of a plane, rejected */ @@ -585,11 +585,11 @@ static void brw_clip_test( struct brw_clip_compile *c ) /* test farz, xmax, ymax plane */ /* clip.xyz > clip.w */ - brw_CMP(p, t1, BRW_CONDITIONAL_G, v0, get_element(v0, 3)); + brw_CMP(p, t1, BRW_CONDITIONAL_G, v0, get_element(v0, 3)); brw_set_predicate_control(p, BRW_PREDICATE_NONE); - brw_CMP(p, t2, BRW_CONDITIONAL_G, v1, get_element(v1, 3)); + brw_CMP(p, t2, BRW_CONDITIONAL_G, v1, get_element(v1, 3)); brw_set_predicate_control(p, BRW_PREDICATE_NONE); - brw_CMP(p, t3, BRW_CONDITIONAL_G, v2, get_element(v2, 3)); + brw_CMP(p, t3, BRW_CONDITIONAL_G, v2, get_element(v2, 3)); brw_set_predicate_control(p, BRW_PREDICATE_NONE); /* All vertices are outside of a plane, rejected */ @@ -637,11 +637,11 @@ void brw_emit_tri_clip( struct brw_clip_compile *c ) brw_clip_init_clipmask(c); brw_clip_init_ff_sync(c); - /* if -ve rhw workaround bit is set, + /* if -ve rhw workaround bit is set, do cliptest */ if (brw->has_negative_rhw_bug) { brw_set_conditionalmod(p, BRW_CONDITIONAL_NZ); - brw_AND(p, brw_null_reg(), get_element_ud(c->reg.R0, 2), + brw_AND(p, brw_null_reg(), get_element_ud(c->reg.R0, 2), brw_imm_ud(1<<20)); brw_IF(p, BRW_EXECUTE_1); { @@ -654,12 +654,12 @@ void brw_emit_tri_clip( struct brw_clip_compile *c ) * respect the PV when converting to trifan for emit: */ if (c->has_flat_shading) - brw_clip_tri_flat_shade(c); - + 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 + else maybe_do_clip_tri(c); brw_clip_tri_emit_polygon(c);