diff options
Diffstat (limited to 'src/mesa/pipe/i965simple/brw_wm_emit.c')
| -rw-r--r-- | src/mesa/pipe/i965simple/brw_wm_emit.c | 1289 |
1 files changed, 0 insertions, 1289 deletions
diff --git a/src/mesa/pipe/i965simple/brw_wm_emit.c b/src/mesa/pipe/i965simple/brw_wm_emit.c deleted file mode 100644 index 75bc4cd419..0000000000 --- a/src/mesa/pipe/i965simple/brw_wm_emit.c +++ /dev/null @@ -1,1289 +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_context.h" -#include "brw_wm.h" - -#define SATURATE (1<<5) - -/* Not quite sure how correct this is - need to understand horiz - * vs. vertical strides a little better. - */ -static __inline struct brw_reg sechalf( struct brw_reg reg ) -{ - if (reg.vstride) - reg.nr++; - return reg; -} - -/* Payload R0: - * - * R0.0 -- pixel mask, one bit for each of 4 pixels in 4 tiles, - * corresponding to each of the 16 execution channels. - * R0.1..8 -- ? - * R1.0 -- triangle vertex 0.X - * R1.1 -- triangle vertex 0.Y - * R1.2 -- tile 0 x,y coords (2 packed uwords) - * R1.3 -- tile 1 x,y coords (2 packed uwords) - * R1.4 -- tile 2 x,y coords (2 packed uwords) - * R1.5 -- tile 3 x,y coords (2 packed uwords) - * R1.6 -- ? - * R1.7 -- ? - * R1.8 -- ? - */ - - -static void emit_pixel_xy(struct brw_compile *p, - const struct brw_reg *dst, - unsigned mask, - const struct brw_reg *arg0) -{ - struct brw_reg r1 = brw_vec1_grf(1, 0); - struct brw_reg r1_uw = retype(r1, BRW_REGISTER_TYPE_UW); - - brw_set_compression_control(p, BRW_COMPRESSION_NONE); - - /* Calculate pixel centers by adding 1 or 0 to each of the - * micro-tile coordinates passed in r1. - */ - if (mask & TGSI_WRITEMASK_X) { - brw_ADD(p, - vec16(retype(dst[0], BRW_REGISTER_TYPE_UW)), - stride(suboffset(r1_uw, 4), 2, 4, 0), - brw_imm_v(0x10101010)); - } - - if (mask & TGSI_WRITEMASK_Y) { - brw_ADD(p, - vec16(retype(dst[1], BRW_REGISTER_TYPE_UW)), - stride(suboffset(r1_uw,5), 2, 4, 0), - brw_imm_v(0x11001100)); - } - - brw_set_compression_control(p, BRW_COMPRESSION_COMPRESSED); -} - - - -static void emit_delta_xy(struct brw_compile *p, - const struct brw_reg *dst, - unsigned mask, - const struct brw_reg *arg0, - const struct brw_reg *arg1) -{ - struct brw_reg r1 = brw_vec1_grf(1, 0); - - /* Calc delta X,Y by subtracting origin in r1 from the pixel - * centers. - */ - if (mask & TGSI_WRITEMASK_X) { - brw_ADD(p, - dst[0], - retype(arg0[0], BRW_REGISTER_TYPE_UW), - negate(r1)); - } - - if (mask & TGSI_WRITEMASK_Y) { - brw_ADD(p, - dst[1], - retype(arg0[1], BRW_REGISTER_TYPE_UW), - negate(suboffset(r1,1))); - - } -} - -static void emit_wpos_xy(struct brw_compile *p, - const struct brw_reg *dst, - unsigned mask, - const struct brw_reg *arg0) -{ - /* Calc delta X,Y by subtracting origin in r1 from the pixel - * centers. - */ - if (mask & TGSI_WRITEMASK_X) { - brw_MOV(p, - dst[0], - retype(arg0[0], BRW_REGISTER_TYPE_UW)); - } - - if (mask & TGSI_WRITEMASK_Y) { - /* TODO -- window_height - Y */ - brw_MOV(p, - dst[1], - negate(retype(arg0[1], BRW_REGISTER_TYPE_UW))); - - } -} - - -static void emit_pixel_w( struct brw_compile *p, - const struct brw_reg *dst, - unsigned mask, - const struct brw_reg *arg0, - const struct brw_reg *deltas) -{ - /* Don't need this if all you are doing is interpolating color, for - * instance. - */ - if (mask & TGSI_WRITEMASK_W) { - struct brw_reg interp3 = brw_vec1_grf(arg0[0].nr+1, 4); - - /* Calc 1/w - just linterp wpos[3] optimized by putting the - * result straight into a message reg. - */ - brw_LINE(p, brw_null_reg(), interp3, deltas[0]); - brw_MAC(p, brw_message_reg(2), suboffset(interp3, 1), deltas[1]); - - /* Calc w */ - brw_math_16( p, dst[3], - BRW_MATH_FUNCTION_INV, - BRW_MATH_SATURATE_NONE, - 2, brw_null_reg(), - BRW_MATH_PRECISION_FULL); - } -} - - - -static void emit_linterp( struct brw_compile *p, - const struct brw_reg *dst, - unsigned mask, - const struct brw_reg *arg0, - const struct brw_reg *deltas ) -{ - struct brw_reg interp[4]; - unsigned nr = arg0[0].nr; - unsigned i; - - interp[0] = brw_vec1_grf(nr, 0); - interp[1] = brw_vec1_grf(nr, 4); - interp[2] = brw_vec1_grf(nr+1, 0); - interp[3] = brw_vec1_grf(nr+1, 4); - - for(i = 0; i < 4; i++ ) { - if (mask & (1<<i)) { - brw_LINE(p, brw_null_reg(), interp[i], deltas[0]); - brw_MAC(p, dst[i], suboffset(interp[i],1), deltas[1]); - } - } -} - - -static void emit_pinterp( struct brw_compile *p, - const struct brw_reg *dst, - unsigned mask, - const struct brw_reg *arg0, - const struct brw_reg *deltas, - const struct brw_reg *w) -{ - struct brw_reg interp[4]; - unsigned nr = arg0[0].nr; - unsigned i; - - interp[0] = brw_vec1_grf(nr, 0); - interp[1] = brw_vec1_grf(nr, 4); - interp[2] = brw_vec1_grf(nr+1, 0); - interp[3] = brw_vec1_grf(nr+1, 4); - - for(i = 0; i < 4; i++ ) { - if (mask & (1<<i)) { - brw_LINE(p, brw_null_reg(), interp[i], deltas[0]); - brw_MAC(p, dst[i], suboffset(interp[i],1), deltas[1]); - brw_MUL(p, dst[i], dst[i], w[3]); - } - } -} - -static void emit_cinterp( struct brw_compile *p, - const struct brw_reg *dst, - unsigned mask, - const struct brw_reg *arg0 ) -{ - struct brw_reg interp[4]; - unsigned nr = arg0[0].nr; - unsigned i; - - interp[0] = brw_vec1_grf(nr, 0); - interp[1] = brw_vec1_grf(nr, 4); - interp[2] = brw_vec1_grf(nr+1, 0); - interp[3] = brw_vec1_grf(nr+1, 4); - - for(i = 0; i < 4; i++ ) { - if (mask & (1<<i)) { - brw_MOV(p, dst[i], suboffset(interp[i],3)); /* TODO: optimize away like other moves */ - } - } -} - - - - - -static void emit_alu1( struct brw_compile *p, - struct brw_instruction *(*func)(struct brw_compile *, - struct brw_reg, - struct brw_reg), - const struct brw_reg *dst, - unsigned mask, - const struct brw_reg *arg0 ) -{ - unsigned i; - - if (mask & SATURATE) - brw_set_saturate(p, 1); - - for (i = 0; i < 4; i++) { - if (mask & (1<<i)) { - func(p, dst[i], arg0[i]); - } - } - - if (mask & SATURATE) - brw_set_saturate(p, 0); -} - -static void emit_alu2( struct brw_compile *p, - struct brw_instruction *(*func)(struct brw_compile *, - struct brw_reg, - struct brw_reg, - struct brw_reg), - const struct brw_reg *dst, - unsigned mask, - const struct brw_reg *arg0, - const struct brw_reg *arg1 ) -{ - unsigned i; - - if (mask & SATURATE) - brw_set_saturate(p, 1); - - for (i = 0; i < 4; i++) { - if (mask & (1<<i)) { - func(p, dst[i], arg0[i], arg1[i]); - } - } - - if (mask & SATURATE) - brw_set_saturate(p, 0); -} - - -static void emit_mad( struct brw_compile *p, - const struct brw_reg *dst, - unsigned mask, - const struct brw_reg *arg0, - const struct brw_reg *arg1, - const struct brw_reg *arg2 ) -{ - unsigned i; - - for (i = 0; i < 4; i++) { - if (mask & (1<<i)) { - brw_MUL(p, dst[i], arg0[i], arg1[i]); - - brw_set_saturate(p, (mask & SATURATE) ? 1 : 0); - brw_ADD(p, dst[i], dst[i], arg2[i]); - brw_set_saturate(p, 0); - } - } -} - - -static void emit_lrp( struct brw_compile *p, - const struct brw_reg *dst, - unsigned mask, - const struct brw_reg *arg0, - const struct brw_reg *arg1, - const struct brw_reg *arg2 ) -{ - unsigned i; - - /* Uses dst as a temporary: - */ - for (i = 0; i < 4; i++) { - if (mask & (1<<i)) { - /* Can I use the LINE instruction for this? - */ - brw_ADD(p, dst[i], negate(arg0[i]), brw_imm_f(1.0)); - brw_MUL(p, brw_null_reg(), dst[i], arg2[i]); - - brw_set_saturate(p, (mask & SATURATE) ? 1 : 0); - brw_MAC(p, dst[i], arg0[i], arg1[i]); - brw_set_saturate(p, 0); - } - } -} -static void emit_sop( struct brw_compile *p, - const struct brw_reg *dst, - unsigned mask, - unsigned cond, - const struct brw_reg *arg0, - const struct brw_reg *arg1 ) -{ - unsigned i; - - for (i = 0; i < 4; i++) { - if (mask & (1<<i)) { - brw_MOV(p, dst[i], brw_imm_f(0)); - brw_CMP(p, brw_null_reg(), cond, arg0[i], arg1[i]); - brw_MOV(p, dst[i], brw_imm_f(1.0)); - brw_set_predicate_control_flag_value(p, 0xff); - } - } -} - -static void emit_slt( struct brw_compile *p, - const struct brw_reg *dst, - unsigned mask, - const struct brw_reg *arg0, - const struct brw_reg *arg1 ) -{ - emit_sop(p, dst, mask, BRW_CONDITIONAL_L, arg0, arg1); -} - -static void emit_sle( struct brw_compile *p, - const struct brw_reg *dst, - unsigned mask, - const struct brw_reg *arg0, - const struct brw_reg *arg1 ) -{ - emit_sop(p, dst, mask, BRW_CONDITIONAL_LE, arg0, arg1); -} - -static void emit_sgt( struct brw_compile *p, - const struct brw_reg *dst, - unsigned mask, - const struct brw_reg *arg0, - const struct brw_reg *arg1 ) -{ - emit_sop(p, dst, mask, BRW_CONDITIONAL_G, arg0, arg1); -} - -static void emit_sge( struct brw_compile *p, - const struct brw_reg *dst, - unsigned mask, - const struct brw_reg *arg0, - const struct brw_reg *arg1 ) -{ - emit_sop(p, dst, mask, BRW_CONDITIONAL_GE, arg0, arg1); -} - -static void emit_seq( struct brw_compile *p, - const struct brw_reg *dst, - unsigned mask, - const struct brw_reg *arg0, - const struct brw_reg *arg1 ) -{ - emit_sop(p, dst, mask, BRW_CONDITIONAL_EQ, arg0, arg1); -} - -static void emit_sne( struct brw_compile *p, - const struct brw_reg *dst, - unsigned mask, - const struct brw_reg *arg0, - const struct brw_reg *arg1 ) -{ - emit_sop(p, dst, mask, BRW_CONDITIONAL_NEQ, arg0, arg1); -} - -static void emit_cmp( struct brw_compile *p, - const struct brw_reg *dst, - unsigned mask, - const struct brw_reg *arg0, - const struct brw_reg *arg1, - const struct brw_reg *arg2 ) -{ - unsigned i; - - for (i = 0; i < 4; i++) { - if (mask & (1<<i)) { - brw_set_saturate(p, (mask & SATURATE) ? 1 : 0); - brw_MOV(p, dst[i], arg2[i]); - brw_set_saturate(p, 0); - - brw_CMP(p, brw_null_reg(), BRW_CONDITIONAL_L, arg0[i], brw_imm_f(0)); - - brw_set_saturate(p, (mask & SATURATE) ? 1 : 0); - brw_MOV(p, dst[i], arg1[i]); - brw_set_saturate(p, 0); - brw_set_predicate_control_flag_value(p, 0xff); - } - } -} - -static void emit_max( struct brw_compile *p, - const struct brw_reg *dst, - unsigned mask, - const struct brw_reg *arg0, - const struct brw_reg *arg1 ) -{ - unsigned i; - - for (i = 0; i < 4; i++) { - if (mask & (1<<i)) { - brw_set_saturate(p, (mask & SATURATE) ? 1 : 0); - brw_MOV(p, dst[i], arg0[i]); - brw_set_saturate(p, 0); - - brw_CMP(p, brw_null_reg(), BRW_CONDITIONAL_L, arg0[i], arg1[i]); - - brw_set_saturate(p, (mask & SATURATE) ? 1 : 0); - brw_MOV(p, dst[i], arg1[i]); - brw_set_saturate(p, 0); - brw_set_predicate_control_flag_value(p, 0xff); - } - } -} - -static void emit_min( struct brw_compile *p, - const struct brw_reg *dst, - unsigned mask, - const struct brw_reg *arg0, - const struct brw_reg *arg1 ) -{ - unsigned i; - - for (i = 0; i < 4; i++) { - if (mask & (1<<i)) { - brw_set_saturate(p, (mask & SATURATE) ? 1 : 0); - brw_MOV(p, dst[i], arg1[i]); - brw_set_saturate(p, 0); - - brw_CMP(p, brw_null_reg(), BRW_CONDITIONAL_L, arg0[i], arg1[i]); - - brw_set_saturate(p, (mask & SATURATE) ? 1 : 0); - brw_MOV(p, dst[i], arg0[i]); - brw_set_saturate(p, 0); - brw_set_predicate_control_flag_value(p, 0xff); - } - } -} - - -static void emit_dp3( struct brw_compile *p, - const struct brw_reg *dst, - unsigned mask, - const struct brw_reg *arg0, - const struct brw_reg *arg1 ) -{ - assert((mask & TGSI_WRITEMASK_XYZW) == TGSI_WRITEMASK_X); - - brw_MUL(p, brw_null_reg(), arg0[0], arg1[0]); - brw_MAC(p, brw_null_reg(), arg0[1], arg1[1]); - - brw_set_saturate(p, (mask & SATURATE) ? 1 : 0); - brw_MAC(p, dst[0], arg0[2], arg1[2]); - brw_set_saturate(p, 0); -} - - -static void emit_dp4( struct brw_compile *p, - const struct brw_reg *dst, - unsigned mask, - const struct brw_reg *arg0, - const struct brw_reg *arg1 ) -{ - assert((mask & TGSI_WRITEMASK_XYZW) == TGSI_WRITEMASK_X); - - brw_MUL(p, brw_null_reg(), arg0[0], arg1[0]); - brw_MAC(p, brw_null_reg(), arg0[1], arg1[1]); - brw_MAC(p, brw_null_reg(), arg0[2], arg1[2]); - - brw_set_saturate(p, (mask & SATURATE) ? 1 : 0); - brw_MAC(p, dst[0], arg0[3], arg1[3]); - brw_set_saturate(p, 0); -} - - -static void emit_dph( struct brw_compile *p, - const struct brw_reg *dst, - unsigned mask, - const struct brw_reg *arg0, - const struct brw_reg *arg1 ) -{ - assert((mask & TGSI_WRITEMASK_XYZW) == TGSI_WRITEMASK_X); - - brw_MUL(p, brw_null_reg(), arg0[0], arg1[0]); - brw_MAC(p, brw_null_reg(), arg0[1], arg1[1]); - brw_MAC(p, dst[0], arg0[2], arg1[2]); - - brw_set_saturate(p, (mask & SATURATE) ? 1 : 0); - brw_ADD(p, dst[0], dst[0], arg1[3]); - brw_set_saturate(p, 0); -} - - -static void emit_xpd( struct brw_compile *p, - const struct brw_reg *dst, - unsigned mask, - const struct brw_reg *arg0, - const struct brw_reg *arg1 ) -{ - unsigned i; - - assert(!(mask & TGSI_WRITEMASK_W) == TGSI_WRITEMASK_X); - - for (i = 0 ; i < 3; i++) { - if (mask & (1<<i)) { - unsigned i2 = (i+2)%3; - unsigned i1 = (i+1)%3; - - brw_MUL(p, brw_null_reg(), negate(arg0[i2]), arg1[i1]); - - brw_set_saturate(p, (mask & SATURATE) ? 1 : 0); - brw_MAC(p, dst[i], arg0[i1], arg1[i2]); - brw_set_saturate(p, 0); - } - } -} - - -static void emit_math1( struct brw_compile *p, - unsigned function, - const struct brw_reg *dst, - unsigned mask, - const struct brw_reg *arg0 ) -{ - //assert((mask & WRITEMASK_XYZW) == WRITEMASK_X || - // function == BRW_MATH_FUNCTION_SINCOS); - - brw_MOV(p, brw_message_reg(2), arg0[0]); - - /* Send two messages to perform all 16 operations: - */ - brw_math_16(p, - dst[0], - function, - (mask & SATURATE) ? BRW_MATH_SATURATE_SATURATE : BRW_MATH_SATURATE_NONE, - 2, - brw_null_reg(), - BRW_MATH_PRECISION_FULL); -} - - -static void emit_math2( struct brw_compile *p, - unsigned function, - const struct brw_reg *dst, - unsigned mask, - const struct brw_reg *arg0, - const struct brw_reg *arg1) -{ - assert((mask & TGSI_WRITEMASK_XYZW) == TGSI_WRITEMASK_X); - - brw_push_insn_state(p); - - brw_set_compression_control(p, BRW_COMPRESSION_NONE); - brw_MOV(p, brw_message_reg(2), arg0[0]); - brw_set_compression_control(p, BRW_COMPRESSION_2NDHALF); - brw_MOV(p, brw_message_reg(4), sechalf(arg0[0])); - - brw_set_compression_control(p, BRW_COMPRESSION_NONE); - brw_MOV(p, brw_message_reg(3), arg1[0]); - brw_set_compression_control(p, BRW_COMPRESSION_2NDHALF); - brw_MOV(p, brw_message_reg(5), sechalf(arg1[0])); - - - /* Send two messages to perform all 16 operations: - */ - brw_set_compression_control(p, BRW_COMPRESSION_NONE); - brw_math(p, - dst[0], - function, - (mask & SATURATE) ? BRW_MATH_SATURATE_SATURATE : BRW_MATH_SATURATE_NONE, - 2, - brw_null_reg(), - BRW_MATH_DATA_VECTOR, - BRW_MATH_PRECISION_FULL); - - brw_set_compression_control(p, BRW_COMPRESSION_2NDHALF); - brw_math(p, - offset(dst[0],1), - function, - (mask & SATURATE) ? BRW_MATH_SATURATE_SATURATE : BRW_MATH_SATURATE_NONE, - 4, - brw_null_reg(), - BRW_MATH_DATA_VECTOR, - BRW_MATH_PRECISION_FULL); - - brw_pop_insn_state(p); -} - - - -static void emit_tex( struct brw_wm_compile *c, - const struct brw_wm_instruction *inst, - struct brw_reg *dst, - unsigned dst_flags, - struct brw_reg *arg ) -{ - struct brw_compile *p = &c->func; - unsigned msgLength, responseLength; - boolean shadow = (c->key.shadowtex_mask & (1<<inst->tex_unit)) ? 1 : 0; - unsigned i, nr; - unsigned emit; - - /* How many input regs are there? - */ - switch (inst->tex_idx) { - case TGSI_TEXTURE_1D: - emit = TGSI_WRITEMASK_X; - nr = 1; - break; - case TGSI_TEXTURE_2D: - case TGSI_TEXTURE_RECT: - emit = TGSI_WRITEMASK_XY; - nr = 2; - break; - default: - emit = TGSI_WRITEMASK_XYZ; - nr = 3; - break; - } - - if (shadow) { - nr = 4; - emit |= TGSI_WRITEMASK_W; - } - - msgLength = 1; - - for (i = 0; i < nr; i++) { - static const unsigned swz[4] = {0,1,2,2}; - if (emit & (1<<i)) - brw_MOV(p, brw_message_reg(msgLength+1), arg[swz[i]]); - else - brw_MOV(p, brw_message_reg(msgLength+1), brw_imm_f(0)); - msgLength += 2; - } - - responseLength = 8; /* always */ - - brw_SAMPLE(p, - retype(vec16(dst[0]), BRW_REGISTER_TYPE_UW), - 1, - retype(c->payload.depth[0].hw_reg, BRW_REGISTER_TYPE_UW), - inst->tex_unit + 1, /* surface */ - inst->tex_unit, /* sampler */ - inst->writemask, - (shadow ? - BRW_SAMPLER_MESSAGE_SIMD16_SAMPLE_COMPARE : - BRW_SAMPLER_MESSAGE_SIMD16_SAMPLE), - responseLength, - msgLength, - 0); - - if (shadow) - brw_MOV(p, dst[3], brw_imm_f(1.0)); -} - - -static void emit_txb( struct brw_wm_compile *c, - const struct brw_wm_instruction *inst, - struct brw_reg *dst, - unsigned dst_flags, - struct brw_reg *arg ) -{ - struct brw_compile *p = &c->func; - unsigned msgLength; - - /* Shadow ignored for txb. - */ - switch (inst->tex_idx) { - case TGSI_TEXTURE_1D: - brw_MOV(p, brw_message_reg(2), arg[0]); - brw_MOV(p, brw_message_reg(4), brw_imm_f(0)); - brw_MOV(p, brw_message_reg(6), brw_imm_f(0)); - break; - case TGSI_TEXTURE_2D: - case TGSI_TEXTURE_RECT: - brw_MOV(p, brw_message_reg(2), arg[0]); - brw_MOV(p, brw_message_reg(4), arg[1]); - brw_MOV(p, brw_message_reg(6), brw_imm_f(0)); - break; - default: - brw_MOV(p, brw_message_reg(2), arg[0]); - brw_MOV(p, brw_message_reg(4), arg[1]); - brw_MOV(p, brw_message_reg(6), arg[2]); - break; - } - - brw_MOV(p, brw_message_reg(8), arg[3]); - msgLength = 9; - - - brw_SAMPLE(p, - retype(vec16(dst[0]), BRW_REGISTER_TYPE_UW), - 1, - retype(c->payload.depth[0].hw_reg, BRW_REGISTER_TYPE_UW), - inst->tex_unit + 1, /* surface */ - inst->tex_unit, /* sampler */ - inst->writemask, - BRW_SAMPLER_MESSAGE_SIMD16_SAMPLE_BIAS, - 8, /* responseLength */ - msgLength, - 0); - -} - - -static void emit_lit( struct brw_compile *p, - const struct brw_reg *dst, - unsigned mask, - const struct brw_reg *arg0 ) -{ - assert((mask & TGSI_WRITEMASK_XW) == 0); - - if (mask & TGSI_WRITEMASK_Y) { - brw_set_saturate(p, (mask & SATURATE) ? 1 : 0); - brw_MOV(p, dst[1], arg0[0]); - brw_set_saturate(p, 0); - } - - if (mask & TGSI_WRITEMASK_Z) { - emit_math2(p, BRW_MATH_FUNCTION_POW, - &dst[2], - TGSI_WRITEMASK_X | (mask & SATURATE), - &arg0[1], - &arg0[3]); - } - - /* Ordinarily you'd use an iff statement to skip or shortcircuit - * some of the POW calculations above, but 16-wide iff statements - * seem to lock c1 hardware, so this is a nasty workaround: - */ - brw_CMP(p, brw_null_reg(), BRW_CONDITIONAL_LE, arg0[0], brw_imm_f(0)); - { - if (mask & TGSI_WRITEMASK_Y) - brw_MOV(p, dst[1], brw_imm_f(0)); - - if (mask & TGSI_WRITEMASK_Z) - brw_MOV(p, dst[2], brw_imm_f(0)); - } - brw_set_predicate_control(p, BRW_PREDICATE_NONE); -} - - -/* Kill pixel - set execution mask to zero for those pixels which - * fail. - */ -static void emit_kil( struct brw_wm_compile *c, - struct brw_reg *arg0) -{ - struct brw_compile *p = &c->func; - struct brw_reg r0uw = retype(brw_vec1_grf(0, 0), BRW_REGISTER_TYPE_UW); - unsigned i; - - - /* XXX - usually won't need 4 compares! - */ - for (i = 0; i < 4; i++) { - brw_push_insn_state(p); - brw_CMP(p, brw_null_reg(), BRW_CONDITIONAL_GE, arg0[i], brw_imm_f(0)); - brw_set_predicate_control_flag_value(p, 0xff); - brw_AND(p, r0uw, brw_flag_reg(), r0uw); - brw_pop_insn_state(p); - } -} - -static void fire_fb_write( struct brw_wm_compile *c, - unsigned base_reg, - unsigned nr ) -{ - struct brw_compile *p = &c->func; - - /* Pass through control information: - */ -/* mov (8) m1.0<1>:ud r1.0<8;8,1>:ud { Align1 NoMask } */ - { - brw_push_insn_state(p); - brw_set_mask_control(p, BRW_MASK_DISABLE); /* ? */ - brw_set_compression_control(p, BRW_COMPRESSION_NONE); - brw_MOV(p, - brw_message_reg(base_reg + 1), - brw_vec8_grf(1, 0)); - brw_pop_insn_state(p); - } - - /* Send framebuffer write message: */ -/* send (16) null.0<1>:uw m0 r0.0<8;8,1>:uw 0x85a04000:ud { Align1 EOT } */ - brw_fb_WRITE(p, - retype(vec16(brw_null_reg()), BRW_REGISTER_TYPE_UW), - base_reg, - retype(brw_vec8_grf(0, 0), BRW_REGISTER_TYPE_UW), - 0, /* render surface always 0 */ - nr, - 0, - 1); -} - -static void emit_aa( struct brw_wm_compile *c, - struct brw_reg *arg1, - unsigned reg ) -{ - struct brw_compile *p = &c->func; - unsigned comp = c->key.aa_dest_stencil_reg / 2; - unsigned off = c->key.aa_dest_stencil_reg % 2; - struct brw_reg aa = offset(arg1[comp], off); - - brw_push_insn_state(p); - brw_set_compression_control(p, BRW_COMPRESSION_NONE); /* ?? */ - brw_MOV(p, brw_message_reg(reg), aa); - brw_pop_insn_state(p); -} - - -/* Post-fragment-program processing. Send the results to the - * framebuffer. - */ -static void emit_fb_write( struct brw_wm_compile *c, - struct brw_reg *arg0, - struct brw_reg *arg1, - struct brw_reg *arg2) -{ - struct brw_compile *p = &c->func; - unsigned nr = 2; - unsigned channel; - - /* Reserve a space for AA - may not be needed: - */ - if (c->key.aa_dest_stencil_reg) - nr += 1; - - /* I don't really understand how this achieves the color interleave - * (ie RGBARGBA) in the result: [Do the saturation here] - */ - { - brw_push_insn_state(p); - - for (channel = 0; channel < 4; channel++) { - /* mov (8) m2.0<1>:ud r28.0<8;8,1>:ud { Align1 } */ - /* mov (8) m6.0<1>:ud r29.0<8;8,1>:ud { Align1 SecHalf } */ - - brw_set_compression_control(p, BRW_COMPRESSION_NONE); - brw_MOV(p, - brw_message_reg(nr + channel), - arg0[channel]); - - brw_set_compression_control(p, BRW_COMPRESSION_2NDHALF); - brw_MOV(p, - brw_message_reg(nr + channel + 4), - sechalf(arg0[channel])); - } - - /* skip over the regs populated above: - */ - nr += 8; - - brw_pop_insn_state(p); - } - - if (c->key.source_depth_to_render_target) - { - if (c->key.computes_depth) - brw_MOV(p, brw_message_reg(nr), arg2[2]); - else - brw_MOV(p, brw_message_reg(nr), arg1[1]); /* ? */ - - nr += 2; - } - - if (c->key.dest_depth_reg) - { - unsigned comp = c->key.dest_depth_reg / 2; - unsigned off = c->key.dest_depth_reg % 2; - - if (off != 0) { - brw_push_insn_state(p); - brw_set_compression_control(p, BRW_COMPRESSION_NONE); - brw_MOV(p, brw_message_reg(nr), arg1[comp]); - /* 2nd half? */ - brw_MOV(p, brw_message_reg(nr+1), offset(arg1[comp],1)); - brw_pop_insn_state(p); - } - else { - brw_MOV(p, brw_message_reg(nr), arg1[comp]); - } - nr += 2; - } - - - if (!c->key.runtime_check_aads_emit) { - if (c->key.aa_dest_stencil_reg) - emit_aa(c, arg1, 2); - - fire_fb_write(c, 0, nr); - } - else { - struct brw_reg v1_null_ud = vec1(retype(brw_null_reg(), BRW_REGISTER_TYPE_UD)); - struct brw_reg ip = brw_ip_reg(); - struct brw_instruction *jmp; - - brw_set_compression_control(p, BRW_COMPRESSION_NONE); - brw_set_conditionalmod(p, BRW_CONDITIONAL_Z); - brw_AND(p, - v1_null_ud, - get_element_ud(brw_vec8_grf(1,0), 6), - brw_imm_ud(1<<26)); - - jmp = brw_JMPI(p, ip, ip, brw_imm_w(0)); - { - emit_aa(c, arg1, 2); - fire_fb_write(c, 0, nr); - /* note - thread killed in subroutine */ - } - brw_land_fwd_jump(p, jmp); - - /* ELSE: Shuffle up one register to fill in the hole left for AA: - */ - fire_fb_write(c, 1, nr-1); - } -} - - - - -/* Post-fragment-program processing. Send the results to the - * framebuffer. - */ -static void emit_spill( struct brw_wm_compile *c, - struct brw_reg reg, - unsigned slot ) -{ - struct brw_compile *p = &c->func; - - /* - mov (16) m2.0<1>:ud r2.0<8;8,1>:ud { Align1 Compr } - */ - brw_MOV(p, brw_message_reg(2), reg); - - /* - mov (1) r0.2<1>:d 0x00000080:d { Align1 NoMask } - send (16) null.0<1>:uw m1 r0.0<8;8,1>:uw 0x053003ff:ud { Align1 } - */ - brw_dp_WRITE_16(p, - retype(vec16(brw_vec8_grf(0, 0)), BRW_REGISTER_TYPE_UW), - 1, - slot); -} - -static void emit_unspill( struct brw_wm_compile *c, - struct brw_reg reg, - unsigned slot ) -{ - struct brw_compile *p = &c->func; - - /* Slot 0 is the undef value. - */ - if (slot == 0) { - brw_MOV(p, reg, brw_imm_f(0)); - return; - } - - /* - mov (1) r0.2<1>:d 0x000000c0:d { Align1 NoMask } - send (16) r110.0<1>:uw m1 r0.0<8;8,1>:uw 0x041243ff:ud { Align1 } - */ - - brw_dp_READ_16(p, - retype(vec16(reg), BRW_REGISTER_TYPE_UW), - 1, - slot); -} - - - -/** - * Retrieve upto 4 GEN4 register pairs for the given wm reg: - */ -static void get_argument_regs( struct brw_wm_compile *c, - struct brw_wm_ref *arg[], - struct brw_reg *regs ) -{ - unsigned i; - - for (i = 0; i < 4; i++) { - if (arg[i]) { - - if (arg[i]->unspill_reg) - emit_unspill(c, - brw_vec8_grf(arg[i]->unspill_reg, 0), - arg[i]->value->spill_slot); - - regs[i] = arg[i]->hw_reg; - } - else { - regs[i] = brw_null_reg(); - } - } -} - -static void spill_values( struct brw_wm_compile *c, - struct brw_wm_value *values, - unsigned nr ) -{ - unsigned i; - - for (i = 0; i < nr; i++) - if (values[i].spill_slot) - emit_spill(c, values[i].hw_reg, values[i].spill_slot); -} - - - -/* Emit the fragment program instructions here. - */ -void brw_wm_emit( struct brw_wm_compile *c ) -{ - struct brw_compile *p = &c->func; - unsigned insn; - - brw_set_compression_control(p, BRW_COMPRESSION_COMPRESSED); - - /* Check if any of the payload regs need to be spilled: - */ - spill_values(c, c->payload.depth, 4); - spill_values(c, c->creg, c->nr_creg); - spill_values(c, c->payload.input_interp, PIPE_ATTRIB_MAX); - - - for (insn = 0; insn < c->nr_insns; insn++) { - - struct brw_wm_instruction *inst = &c->instruction[insn]; - struct brw_reg args[3][4], dst[4]; - unsigned i, dst_flags; - - /* Get argument regs: - */ - for (i = 0; i < 3; i++) - get_argument_regs(c, inst->src[i], args[i]); - - /* Get dest regs: - */ - for (i = 0; i < 4; i++) - if (inst->dst[i]) - dst[i] = inst->dst[i]->hw_reg; - else - dst[i] = brw_null_reg(); - - /* Flags - */ - dst_flags = inst->writemask; - if (inst->saturate) - dst_flags |= SATURATE; - - switch (inst->opcode) { - /* Generated instructions for calculating triangle interpolants: - */ - case WM_PIXELXY: - emit_pixel_xy(p, dst, dst_flags, args[0]); - break; - - case WM_DELTAXY: - emit_delta_xy(p, dst, dst_flags, args[0], args[1]); - break; - - case WM_WPOSXY: - emit_wpos_xy(p, dst, dst_flags, args[0]); - break; - - case WM_PIXELW: - emit_pixel_w(p, dst, dst_flags, args[0], args[1]); - break; - - case WM_LINTERP: - emit_linterp(p, dst, dst_flags, args[0], args[1]); - break; - - case WM_PINTERP: - emit_pinterp(p, dst, dst_flags, args[0], args[1], args[2]); - break; - - case WM_CINTERP: - emit_cinterp(p, dst, dst_flags, args[0]); - break; - - case WM_FB_WRITE: - emit_fb_write(c, args[0], args[1], args[2]); - break; - - /* Straightforward arithmetic: - */ - case TGSI_OPCODE_ADD: - emit_alu2(p, brw_ADD, dst, dst_flags, args[0], args[1]); - break; - - case TGSI_OPCODE_FRC: - emit_alu1(p, brw_FRC, dst, dst_flags, args[0]); - break; - - case TGSI_OPCODE_FLR: - emit_alu1(p, brw_RNDD, dst, dst_flags, args[0]); - break; - - case TGSI_OPCODE_DP3: /* */ - emit_dp3(p, dst, dst_flags, args[0], args[1]); - break; - - case TGSI_OPCODE_DP4: - emit_dp4(p, dst, dst_flags, args[0], args[1]); - break; - - case TGSI_OPCODE_DPH: - emit_dph(p, dst, dst_flags, args[0], args[1]); - break; - - case TGSI_OPCODE_LRP: /* */ - emit_lrp(p, dst, dst_flags, args[0], args[1], args[2]); - break; - - case TGSI_OPCODE_MAD: - emit_mad(p, dst, dst_flags, args[0], args[1], args[2]); - break; - - case TGSI_OPCODE_MOV: - emit_alu1(p, brw_MOV, dst, dst_flags, args[0]); - break; - - case TGSI_OPCODE_MUL: - emit_alu2(p, brw_MUL, dst, dst_flags, args[0], args[1]); - break; - - case TGSI_OPCODE_XPD: - emit_xpd(p, dst, dst_flags, args[0], args[1]); - break; - - /* Higher math functions: - */ - case TGSI_OPCODE_RCP: - emit_math1(p, BRW_MATH_FUNCTION_INV, dst, dst_flags, args[0]); - break; - - case TGSI_OPCODE_RSQ: - emit_math1(p, BRW_MATH_FUNCTION_RSQ, dst, dst_flags, args[0]); - break; - - case TGSI_OPCODE_SIN: - emit_math1(p, BRW_MATH_FUNCTION_SIN, dst, dst_flags, args[0]); - break; - - case TGSI_OPCODE_COS: - emit_math1(p, BRW_MATH_FUNCTION_COS, dst, dst_flags, args[0]); - break; - - case TGSI_OPCODE_EX2: - emit_math1(p, BRW_MATH_FUNCTION_EXP, dst, dst_flags, args[0]); - break; - - case TGSI_OPCODE_LG2: - emit_math1(p, BRW_MATH_FUNCTION_LOG, dst, dst_flags, args[0]); - break; - - case TGSI_OPCODE_SCS: - /* There is an scs math function, but it would need some - * fixup for 16-element execution. - */ - if (dst_flags & TGSI_WRITEMASK_X) - emit_math1(p, BRW_MATH_FUNCTION_COS, dst, (dst_flags&SATURATE)|TGSI_WRITEMASK_X, - args[0]); - if (dst_flags & TGSI_WRITEMASK_Y) - emit_math1(p, BRW_MATH_FUNCTION_SIN, dst+1, (dst_flags&SATURATE)|TGSI_WRITEMASK_X, - args[0]); - break; - - case TGSI_OPCODE_POW: - emit_math2(p, BRW_MATH_FUNCTION_POW, dst, dst_flags, args[0], args[1]); - break; - - /* Comparisons: - */ - case TGSI_OPCODE_CMP: - emit_cmp(p, dst, dst_flags, args[0], args[1], args[2]); - break; - - case TGSI_OPCODE_MAX: - emit_max(p, dst, dst_flags, args[0], args[1]); - break; - - case TGSI_OPCODE_MIN: - emit_min(p, dst, dst_flags, args[0], args[1]); - break; - - case TGSI_OPCODE_SLT: - emit_slt(p, dst, dst_flags, args[0], args[1]); - break; - - case TGSI_OPCODE_SLE: - emit_sle(p, dst, dst_flags, args[0], args[1]); - break; - case TGSI_OPCODE_SGT: - emit_sgt(p, dst, dst_flags, args[0], args[1]); - break; - case TGSI_OPCODE_SGE: - emit_sge(p, dst, dst_flags, args[0], args[1]); - break; - case TGSI_OPCODE_SEQ: - emit_seq(p, dst, dst_flags, args[0], args[1]); - break; - case TGSI_OPCODE_SNE: - emit_sne(p, dst, dst_flags, args[0], args[1]); - break; - - case TGSI_OPCODE_LIT: - emit_lit(p, dst, dst_flags, args[0]); - break; - - /* Texturing operations: - */ - case TGSI_OPCODE_TEX: - emit_tex(c, inst, dst, dst_flags, args[0]); - break; - - case TGSI_OPCODE_TXB: - emit_txb(c, inst, dst, dst_flags, args[0]); - break; - - case TGSI_OPCODE_KIL: - emit_kil(c, args[0]); - break; - - default: - printf("unsupport opcode %d in fragment program\n", - inst->opcode); - } - - for (i = 0; i < 4; i++) - if (inst->dst[i] && inst->dst[i]->spill_slot) - emit_spill(c, - inst->dst[i]->hw_reg, - inst->dst[i]->spill_slot); - } -} |