diff options
Diffstat (limited to 'src/gallium/drivers/i965/brw_gs_emit.c')
| -rw-r--r-- | src/gallium/drivers/i965/brw_gs_emit.c | 180 |
1 files changed, 0 insertions, 180 deletions
diff --git a/src/gallium/drivers/i965/brw_gs_emit.c b/src/gallium/drivers/i965/brw_gs_emit.c deleted file mode 100644 index 9b58773b3bd..00000000000 --- a/src/gallium/drivers/i965/brw_gs_emit.c +++ /dev/null @@ -1,180 +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_batchbuffer.h" - -#include "brw_defines.h" -#include "brw_context.h" -#include "brw_eu.h" -#include "brw_gs.h" - -static void brw_gs_alloc_regs( struct brw_gs_compile *c, - GLuint nr_verts ) -{ - GLuint i = 0,j; - - /* Register usage is static, precompute here: - */ - c->reg.R0 = retype(brw_vec8_grf(i, 0), BRW_REGISTER_TYPE_UD); i++; - - /* 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; - } - - c->prog_data.urb_read_length = c->nr_regs; - c->prog_data.total_grf = i; -} - - -static void brw_gs_emit_vue(struct brw_gs_compile *c, - struct brw_reg vert, - GLboolean last, - GLuint header) -{ - struct brw_compile *p = &c->func; - GLboolean allocate = !last; - - /* 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)); - - /* Copy the vertex from vertn into m1..mN+1: - */ - brw_copy8(p, brw_message_reg(1), vert, c->nr_regs); - - /* Send each vertex as a seperate 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 seperate urb entry, and a new one must be - * allocated each time. - */ - brw_urb_WRITE(p, - allocate ? c->reg.R0 : retype(brw_null_reg(), BRW_REGISTER_TYPE_UD), - 0, - c->reg.R0, - allocate, - 1, /* used */ - c->nr_regs + 1, /* msg length */ - allocate ? 1 : 0, /* response length */ - allocate ? 0 : 1, /* eot */ - 1, /* writes_complete */ - 0, /* urb offset */ - BRW_URB_SWIZZLE_NONE); -} - -static void brw_gs_ff_sync(struct brw_gs_compile *c, int num_prim) -{ - struct brw_compile *p = &c->func; - brw_MOV(p, get_element_ud(c->reg.R0, 1), brw_imm_ud(num_prim)); - brw_ff_sync(p, - c->reg.R0, - 0, - c->reg.R0, - 1, - 1, /* used */ - 1, /* msg length */ - 1, /* response length */ - 0, /* eot */ - 1, /* write compelete */ - 0, /* urb offset */ - BRW_URB_SWIZZLE_NONE); -} - - -void brw_gs_quads( struct brw_gs_compile *c ) -{ - brw_gs_alloc_regs(c, 4); - - /* Use polygons for correct edgeflag behaviour. Note that vertex 3 - * is the PV for quads, but vertex 0 for polygons: - */ - if (c->need_ff_sync) - brw_gs_ff_sync(c, 1); - brw_gs_emit_vue(c, c->reg.vertex[3], 0, ((_3DPRIM_POLYGON << 2) | R02_PRIM_START)); - brw_gs_emit_vue(c, c->reg.vertex[0], 0, (_3DPRIM_POLYGON << 2)); - brw_gs_emit_vue(c, c->reg.vertex[1], 0, (_3DPRIM_POLYGON << 2)); - brw_gs_emit_vue(c, c->reg.vertex[2], 1, ((_3DPRIM_POLYGON << 2) | R02_PRIM_END)); -} - -void brw_gs_quad_strip( struct brw_gs_compile *c ) -{ - brw_gs_alloc_regs(c, 4); - - if (c->need_ff_sync) - brw_gs_ff_sync(c, 1); - brw_gs_emit_vue(c, c->reg.vertex[2], 0, ((_3DPRIM_POLYGON << 2) | R02_PRIM_START)); - brw_gs_emit_vue(c, c->reg.vertex[3], 0, (_3DPRIM_POLYGON << 2)); - brw_gs_emit_vue(c, c->reg.vertex[0], 0, (_3DPRIM_POLYGON << 2)); - brw_gs_emit_vue(c, c->reg.vertex[1], 1, ((_3DPRIM_POLYGON << 2) | R02_PRIM_END)); -} - -void brw_gs_tris( struct brw_gs_compile *c ) -{ - brw_gs_alloc_regs(c, 3); - - if (c->need_ff_sync) - brw_gs_ff_sync(c, 1); - brw_gs_emit_vue(c, c->reg.vertex[0], 0, ((_3DPRIM_TRILIST << 2) | R02_PRIM_START)); - brw_gs_emit_vue(c, c->reg.vertex[1], 0, (_3DPRIM_TRILIST << 2)); - brw_gs_emit_vue(c, c->reg.vertex[2], 1, ((_3DPRIM_TRILIST << 2) | R02_PRIM_END)); -} - -void brw_gs_lines( struct brw_gs_compile *c ) -{ - brw_gs_alloc_regs(c, 2); - - if (c->need_ff_sync) - brw_gs_ff_sync(c, 1); - brw_gs_emit_vue(c, c->reg.vertex[0], 0, ((_3DPRIM_LINESTRIP << 2) | R02_PRIM_START)); - brw_gs_emit_vue(c, c->reg.vertex[1], 1, ((_3DPRIM_LINESTRIP << 2) | R02_PRIM_END)); -} - -void brw_gs_points( struct brw_gs_compile *c ) -{ - brw_gs_alloc_regs(c, 1); - - if (c->need_ff_sync) - brw_gs_ff_sync(c, 1); - brw_gs_emit_vue(c, c->reg.vertex[0], 1, ((_3DPRIM_POINTLIST << 2) | R02_PRIM_START | R02_PRIM_END)); -} - - - - - - - - |