diff options
author | Nicolai Hähnle <nhaehnle@gmail.com> | 2009-10-07 20:45:08 +0200 |
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committer | Nicolai Hähnle <nhaehnle@gmail.com> | 2009-10-07 20:45:08 +0200 |
commit | 7ca7220ea1d31dbdbf1fe7e6f3e6cc4ff8b0abde (patch) | |
tree | a4e50f36da7c75c945a2418738e2a84af2b3789d /src/gallium/drivers/i965simple/brw_sf_emit.c | |
parent | 57abb76e1095d14f54ea8b8d0d2220e209b8656f (diff) | |
parent | 5b4c0b864a25fa193e7ba828cf5ce483ca05bd4e (diff) |
Merge branch 'master' into r300g-glsl
Conflicts:
src/gallium/drivers/r300/r300_tgsi_to_rc.c
Signed-off-by: Nicolai Hähnle <nhaehnle@gmail.com>
Diffstat (limited to 'src/gallium/drivers/i965simple/brw_sf_emit.c')
-rw-r--r-- | src/gallium/drivers/i965simple/brw_sf_emit.c | 382 |
1 files changed, 0 insertions, 382 deletions
diff --git a/src/gallium/drivers/i965simple/brw_sf_emit.c b/src/gallium/drivers/i965simple/brw_sf_emit.c deleted file mode 100644 index 78d6fa5e9e..0000000000 --- a/src/gallium/drivers/i965simple/brw_sf_emit.c +++ /dev/null @@ -1,382 +0,0 @@ -/* - Copyright (C) Intel Corp. 2006. All Rights Reserved. - Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to - develop this 3D driver. - - Permission is hereby granted, free of charge, to any person obtaining - a copy of this software and associated documentation files (the - "Software"), to deal in the Software without restriction, including - without limitation the rights to use, copy, modify, merge, publish, - distribute, sublicense, and/or sell copies of the Software, and to - permit persons to whom the Software is furnished to do so, subject to - the following conditions: - - The above copyright notice and this permission notice (including the - next paragraph) shall be included in all copies or substantial - portions of the Software. - - THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE - LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION - OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - - **********************************************************************/ - /* - * Authors: - * Keith Whitwell <keith@tungstengraphics.com> - */ - - -#include "brw_defines.h" -#include "brw_context.h" -#include "brw_eu.h" -#include "brw_util.h" -#include "brw_sf.h" - - - -/*********************************************************************** - * Triangle setup. - */ - - -static void alloc_regs( struct brw_sf_compile *c ) -{ - unsigned reg, i; - - /* Values computed by fixed function unit: - */ - c->pv = retype(brw_vec1_grf(1, 1), BRW_REGISTER_TYPE_UD); - c->det = brw_vec1_grf(1, 2); - c->dx0 = brw_vec1_grf(1, 3); - c->dx2 = brw_vec1_grf(1, 4); - c->dy0 = brw_vec1_grf(1, 5); - c->dy2 = brw_vec1_grf(1, 6); - - /* z and 1/w passed in seperately: - */ - c->z[0] = brw_vec1_grf(2, 0); - c->inv_w[0] = brw_vec1_grf(2, 1); - c->z[1] = brw_vec1_grf(2, 2); - c->inv_w[1] = brw_vec1_grf(2, 3); - c->z[2] = brw_vec1_grf(2, 4); - c->inv_w[2] = brw_vec1_grf(2, 5); - - /* The vertices: - */ - reg = 3; - for (i = 0; i < c->nr_verts; i++) { - c->vert[i] = brw_vec8_grf(reg, 0); - reg += c->nr_attr_regs; - } - - /* Temporaries, allocated after last vertex reg. - */ - c->inv_det = brw_vec1_grf(reg, 0); reg++; - c->a1_sub_a0 = brw_vec8_grf(reg, 0); reg++; - c->a2_sub_a0 = brw_vec8_grf(reg, 0); reg++; - c->tmp = brw_vec8_grf(reg, 0); reg++; - - /* Note grf allocation: - */ - c->prog_data.total_grf = reg; - - - /* Outputs of this program - interpolation coefficients for - * rasterization: - */ - c->m1Cx = brw_vec8_reg(BRW_MESSAGE_REGISTER_FILE, 1, 0); - c->m2Cy = brw_vec8_reg(BRW_MESSAGE_REGISTER_FILE, 2, 0); - c->m3C0 = brw_vec8_reg(BRW_MESSAGE_REGISTER_FILE, 3, 0); -} - - -static void copy_z_inv_w( struct brw_sf_compile *c ) -{ - struct brw_compile *p = &c->func; - unsigned i; - - brw_push_insn_state(p); - - /* Copy both scalars with a single MOV: - */ - for (i = 0; i < c->nr_verts; i++) - brw_MOV(p, vec2(suboffset(c->vert[i], 2)), vec2(c->z[i])); - - brw_pop_insn_state(p); -} - - -static void invert_det( struct brw_sf_compile *c) -{ - brw_math(&c->func, - c->inv_det, - BRW_MATH_FUNCTION_INV, - BRW_MATH_SATURATE_NONE, - 0, - c->det, - BRW_MATH_DATA_SCALAR, - BRW_MATH_PRECISION_FULL); - -} - -#define NON_PERPECTIVE_ATTRS (FRAG_BIT_WPOS | \ - FRAG_BIT_COL0 | \ - FRAG_BIT_COL1) - -static boolean calculate_masks( struct brw_sf_compile *c, - unsigned reg, - ushort *pc, - ushort *pc_persp, - ushort *pc_linear) -{ - boolean is_last_attr = (reg == c->nr_setup_regs - 1); - unsigned persp_mask = c->key.persp_mask; - unsigned linear_mask = c->key.linear_mask; - - debug_printf("persp_mask: %x\n", persp_mask); - debug_printf("linear_mask: %x\n", linear_mask); - - *pc_persp = 0; - *pc_linear = 0; - *pc = 0xf; - - if (persp_mask & (1 << (reg*2))) - *pc_persp = 0xf; - - if (linear_mask & (1 << (reg*2))) - *pc_linear = 0xf; - - /* Maybe only processs one attribute on the final round: - */ - if (reg*2+1 < c->nr_setup_attrs) { - *pc |= 0xf0; - - if (persp_mask & (1 << (reg*2+1))) - *pc_persp |= 0xf0; - - if (linear_mask & (1 << (reg*2+1))) - *pc_linear |= 0xf0; - } - - debug_printf("pc: %x\n", *pc); - debug_printf("pc_persp: %x\n", *pc_persp); - debug_printf("pc_linear: %x\n", *pc_linear); - - - return is_last_attr; -} - - - -void brw_emit_tri_setup( struct brw_sf_compile *c ) -{ - struct brw_compile *p = &c->func; - unsigned i; - - debug_printf("%s START ==============\n", __FUNCTION__); - - c->nr_verts = 3; - alloc_regs(c); - invert_det(c); - copy_z_inv_w(c); - - - for (i = 0; i < c->nr_setup_regs; i++) - { - /* Pair of incoming attributes: - */ - struct brw_reg a0 = offset(c->vert[0], i); - struct brw_reg a1 = offset(c->vert[1], i); - struct brw_reg a2 = offset(c->vert[2], i); - ushort pc = 0, pc_persp = 0, pc_linear = 0; - boolean last = calculate_masks(c, i, &pc, &pc_persp, &pc_linear); - - if (pc_persp) - { - brw_set_predicate_control_flag_value(p, pc_persp); - brw_MUL(p, a0, a0, c->inv_w[0]); - brw_MUL(p, a1, a1, c->inv_w[1]); - brw_MUL(p, a2, a2, c->inv_w[2]); - } - - - /* Calculate coefficients for interpolated values: - */ - if (pc_linear) - { - brw_set_predicate_control_flag_value(p, pc_linear); - - brw_ADD(p, c->a1_sub_a0, a1, negate(a0)); - brw_ADD(p, c->a2_sub_a0, a2, negate(a0)); - - /* calculate dA/dx - */ - brw_MUL(p, brw_null_reg(), c->a1_sub_a0, c->dy2); - brw_MAC(p, c->tmp, c->a2_sub_a0, negate(c->dy0)); - brw_MUL(p, c->m1Cx, c->tmp, c->inv_det); - - /* calculate dA/dy - */ - brw_MUL(p, brw_null_reg(), c->a2_sub_a0, c->dx0); - brw_MAC(p, c->tmp, c->a1_sub_a0, negate(c->dx2)); - brw_MUL(p, c->m2Cy, c->tmp, c->inv_det); - } - - { - brw_set_predicate_control_flag_value(p, pc); - /* start point for interpolation - */ - brw_MOV(p, c->m3C0, a0); - - /* Copy m0..m3 to URB. m0 is implicitly copied from r0 in - * the send instruction: - */ - brw_urb_WRITE(p, - brw_null_reg(), - 0, - brw_vec8_grf(0, 0), /* r0, will be copied to m0 */ - 0, /* allocate */ - 1, /* used */ - 4, /* msg len */ - 0, /* response len */ - last, /* eot */ - last, /* writes complete */ - i*4, /* offset */ - BRW_URB_SWIZZLE_TRANSPOSE); /* XXX: Swizzle control "SF to windower" */ - } - } - - debug_printf("%s DONE ==============\n", __FUNCTION__); - -} - - - -void brw_emit_line_setup( struct brw_sf_compile *c ) -{ - struct brw_compile *p = &c->func; - unsigned i; - - - c->nr_verts = 2; - alloc_regs(c); - invert_det(c); - copy_z_inv_w(c); - - for (i = 0; i < c->nr_setup_regs; i++) - { - /* Pair of incoming attributes: - */ - struct brw_reg a0 = offset(c->vert[0], i); - struct brw_reg a1 = offset(c->vert[1], i); - ushort pc, pc_persp, pc_linear; - boolean last = calculate_masks(c, i, &pc, &pc_persp, &pc_linear); - - if (pc_persp) - { - brw_set_predicate_control_flag_value(p, pc_persp); - brw_MUL(p, a0, a0, c->inv_w[0]); - brw_MUL(p, a1, a1, c->inv_w[1]); - } - - /* Calculate coefficients for position, color: - */ - if (pc_linear) { - brw_set_predicate_control_flag_value(p, pc_linear); - - brw_ADD(p, c->a1_sub_a0, a1, negate(a0)); - - brw_MUL(p, c->tmp, c->a1_sub_a0, c->dx0); - brw_MUL(p, c->m1Cx, c->tmp, c->inv_det); - - brw_MUL(p, c->tmp, c->a1_sub_a0, c->dy0); - brw_MUL(p, c->m2Cy, c->tmp, c->inv_det); - } - - { - brw_set_predicate_control_flag_value(p, pc); - - /* start point for interpolation - */ - brw_MOV(p, c->m3C0, a0); - - /* Copy m0..m3 to URB. - */ - brw_urb_WRITE(p, - brw_null_reg(), - 0, - brw_vec8_grf(0, 0), - 0, /* allocate */ - 1, /* used */ - 4, /* msg len */ - 0, /* response len */ - last, /* eot */ - last, /* writes complete */ - i*4, /* urb destination offset */ - BRW_URB_SWIZZLE_TRANSPOSE); - } - } -} - - -/* Points setup - several simplifications as all attributes are - * constant across the face of the point (point sprites excluded!) - */ -void brw_emit_point_setup( struct brw_sf_compile *c ) -{ - struct brw_compile *p = &c->func; - unsigned i; - - c->nr_verts = 1; - alloc_regs(c); - copy_z_inv_w(c); - - brw_MOV(p, c->m1Cx, brw_imm_ud(0)); /* zero - move out of loop */ - brw_MOV(p, c->m2Cy, brw_imm_ud(0)); /* zero - move out of loop */ - - for (i = 0; i < c->nr_setup_regs; i++) - { - struct brw_reg a0 = offset(c->vert[0], i); - ushort pc, pc_persp, pc_linear; - boolean last = calculate_masks(c, i, &pc, &pc_persp, &pc_linear); - - if (pc_persp) - { - /* This seems odd as the values are all constant, but the - * fragment shader will be expecting it: - */ - brw_set_predicate_control_flag_value(p, pc_persp); - brw_MUL(p, a0, a0, c->inv_w[0]); - } - - - /* The delta values are always zero, just send the starting - * coordinate. Again, this is to fit in with the interpolation - * code in the fragment shader. - */ - { - brw_set_predicate_control_flag_value(p, pc); - - brw_MOV(p, c->m3C0, a0); /* constant value */ - - /* Copy m0..m3 to URB. - */ - brw_urb_WRITE(p, - brw_null_reg(), - 0, - brw_vec8_grf(0, 0), - 0, /* allocate */ - 1, /* used */ - 4, /* msg len */ - 0, /* response len */ - last, /* eot */ - last, /* writes complete */ - i*4, /* urb destination offset */ - BRW_URB_SWIZZLE_TRANSPOSE); - } - } -} |