| /* |
| 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 <keithw@vmware.com> |
| */ |
| |
| |
| #ifndef BRW_SF_H |
| #define BRW_SF_H |
| |
| |
| #include "program/program.h" |
| #include "brw_context.h" |
| #include "brw_eu.h" |
| |
| |
| #define SF_POINTS 0 |
| #define SF_LINES 1 |
| #define SF_TRIANGLES 2 |
| #define SF_UNFILLED_TRIS 3 |
| |
| struct brw_sf_prog_key { |
| GLbitfield64 attrs; |
| struct interpolation_mode_map interpolation_mode; |
| uint8_t point_sprite_coord_replace; |
| GLuint primitive:2; |
| GLuint do_twoside_color:1; |
| GLuint frontface_ccw:1; |
| GLuint do_point_sprite:1; |
| GLuint do_point_coord:1; |
| GLuint sprite_origin_lower_left:1; |
| GLuint userclip_active:1; |
| }; |
| |
| struct brw_sf_compile { |
| struct brw_codegen func; |
| struct brw_sf_prog_key key; |
| struct brw_sf_prog_data prog_data; |
| |
| struct brw_reg pv; |
| struct brw_reg det; |
| struct brw_reg dx0; |
| struct brw_reg dx2; |
| struct brw_reg dy0; |
| struct brw_reg dy2; |
| |
| /* z and 1/w passed in seperately: |
| */ |
| struct brw_reg z[3]; |
| struct brw_reg inv_w[3]; |
| |
| /* The vertices: |
| */ |
| struct brw_reg vert[3]; |
| |
| /* Temporaries, allocated after last vertex reg. |
| */ |
| struct brw_reg inv_det; |
| struct brw_reg a1_sub_a0; |
| struct brw_reg a2_sub_a0; |
| struct brw_reg tmp; |
| |
| struct brw_reg m1Cx; |
| struct brw_reg m2Cy; |
| struct brw_reg m3C0; |
| |
| GLuint nr_verts; |
| GLuint nr_attr_regs; |
| GLuint nr_setup_regs; |
| int urb_entry_read_offset; |
| |
| /** The last known value of the f0.0 flag register. */ |
| unsigned flag_value; |
| |
| struct brw_vue_map vue_map; |
| bool has_flat_shading; |
| }; |
| |
| |
| void brw_emit_tri_setup( struct brw_sf_compile *c, bool allocate ); |
| void brw_emit_line_setup( struct brw_sf_compile *c, bool allocate ); |
| void brw_emit_point_setup( struct brw_sf_compile *c, bool allocate ); |
| void brw_emit_point_sprite_setup( struct brw_sf_compile *c, bool allocate ); |
| void brw_emit_anyprim_setup( struct brw_sf_compile *c ); |
| |
| #endif |