diff options
Diffstat (limited to 'src/gallium/drivers/i965simple/brw_wm_glsl.c')
-rw-r--r-- | src/gallium/drivers/i965simple/brw_wm_glsl.c | 1076 |
1 files changed, 0 insertions, 1076 deletions
diff --git a/src/gallium/drivers/i965simple/brw_wm_glsl.c b/src/gallium/drivers/i965simple/brw_wm_glsl.c deleted file mode 100644 index db75963932..0000000000 --- a/src/gallium/drivers/i965simple/brw_wm_glsl.c +++ /dev/null @@ -1,1076 +0,0 @@ - -#include "brw_context.h" -#include "brw_eu.h" -#include "brw_wm.h" -#include "util/u_math.h" -#include "util/u_memory.h" -#include "pipe/p_shader_tokens.h" -#include "tgsi/tgsi_parse.h" - - - -static int get_scalar_dst_index(struct tgsi_full_instruction *inst) -{ - struct tgsi_dst_register dst = inst->FullDstRegisters[0].DstRegister; - int i; - for (i = 0; i < 4; i++) - if (dst.WriteMask & (1<<i)) - break; - return i; -} - -static struct brw_reg alloc_tmp(struct brw_wm_compile *c) -{ - c->tmp_index++; - c->reg_index = MAX2(c->reg_index, c->tmp_index); - return brw_vec8_grf(c->tmp_start + c->tmp_index, 0); -} - -static void release_tmps(struct brw_wm_compile *c) -{ - c->tmp_index = 0; -} - - -static struct brw_reg -get_reg(struct brw_wm_compile *c, int file, int index, int component ) -{ - switch (file) { - case TGSI_FILE_NULL: - return brw_null_reg(); - - case TGSI_FILE_SAMPLER: - /* Should never get here: - */ - assert (0); - return brw_null_reg(); - - case TGSI_FILE_IMMEDIATE: - /* These need a different path: - */ - assert(0); - return brw_null_reg(); - - - case TGSI_FILE_CONSTANT: - case TGSI_FILE_INPUT: - case TGSI_FILE_OUTPUT: - case TGSI_FILE_TEMPORARY: - case TGSI_FILE_ADDRESS: - return c->wm_regs[file][index][component]; - - default: - assert(0); - return brw_null_reg(); - } -} - - -static struct brw_reg get_dst_reg(struct brw_wm_compile *c, - struct tgsi_full_instruction *inst, - int component) -{ - return get_reg(c, - inst->FullDstRegisters[0].DstRegister.File, - inst->FullDstRegisters[0].DstRegister.Index, - component); -} - -static int get_swz( struct tgsi_src_register src, int index ) -{ - switch (index & 3) { - case 0: return src.SwizzleX; - case 1: return src.SwizzleY; - case 2: return src.SwizzleZ; - case 3: return src.SwizzleW; - default: return 0; - } -} - -static int get_ext_swz( struct tgsi_src_register_ext_swz src, int index ) -{ - switch (index & 3) { - case 0: return src.ExtSwizzleX; - case 1: return src.ExtSwizzleY; - case 2: return src.ExtSwizzleZ; - case 3: return src.ExtSwizzleW; - default: return 0; - } -} - -static struct brw_reg get_src_reg(struct brw_wm_compile *c, - struct tgsi_full_src_register *src, - int index) -{ - struct brw_reg reg; - int component = index; - int neg = 0; - int abs = 0; - - if (src->SrcRegister.Negate) - neg = 1; - - component = get_swz(src->SrcRegister, component); - - /* Yes, there are multiple negates: - */ - switch (component & 3) { - case 0: neg ^= src->SrcRegisterExtSwz.NegateX; break; - case 1: neg ^= src->SrcRegisterExtSwz.NegateY; break; - case 2: neg ^= src->SrcRegisterExtSwz.NegateZ; break; - case 3: neg ^= src->SrcRegisterExtSwz.NegateW; break; - } - - /* And multiple swizzles, fun isn't it: - */ - component = get_ext_swz(src->SrcRegisterExtSwz, component); - - /* Not handling indirect lookups yet: - */ - assert(src->SrcRegister.Indirect == 0); - - /* Don't know what dimension means: - */ - assert(src->SrcRegister.Dimension == 0); - - /* Will never handle any of this stuff: - */ - assert(src->SrcRegisterExtMod.Complement == 0); - assert(src->SrcRegisterExtMod.Bias == 0); - assert(src->SrcRegisterExtMod.Scale2X == 0); - - if (src->SrcRegisterExtMod.Absolute) - abs = 1; - - /* Another negate! This is a post-absolute negate, which we - * can't do. Need to clean the crap out of tgsi somehow. - */ - assert(src->SrcRegisterExtMod.Negate == 0); - - switch( component ) { - case TGSI_EXTSWIZZLE_X: - case TGSI_EXTSWIZZLE_Y: - case TGSI_EXTSWIZZLE_Z: - case TGSI_EXTSWIZZLE_W: - reg = get_reg(c, - src->SrcRegister.File, - src->SrcRegister.Index, - component ); - - if (neg) - reg = negate(reg); - - if (abs) - reg = brw_abs(reg); - - break; - - /* XXX: this won't really work in the general case, but we know - * that the extended swizzle is only allowed in the SWZ - * instruction (right??), in which case using an immediate - * directly will work. - */ - case TGSI_EXTSWIZZLE_ZERO: - reg = brw_imm_f(0); - break; - - case TGSI_EXTSWIZZLE_ONE: - if (neg && !abs) - reg = brw_imm_f(-1.0); - else - reg = brw_imm_f(1.0); - break; - - default: - assert(0); - break; - } - - - return reg; -} - -static void emit_abs( struct brw_wm_compile *c, - struct tgsi_full_instruction *inst) -{ - unsigned mask = inst->FullDstRegisters[0].DstRegister.WriteMask; - - int i; - struct brw_compile *p = &c->func; - brw_set_saturate(p, inst->Instruction.Saturate != TGSI_SAT_NONE); - for (i = 0; i < 4; i++) { - if (mask & (1<<i)) { - struct brw_reg src, dst; - dst = get_dst_reg(c, inst, i); - src = get_src_reg(c, &inst->FullSrcRegisters[0], i); - brw_MOV(p, dst, brw_abs(src)); /* NOTE */ - } - } - brw_set_saturate(p, 0); -} - - -static void emit_xpd(struct brw_wm_compile *c, - struct tgsi_full_instruction *inst) -{ - int i; - struct brw_compile *p = &c->func; - unsigned mask = inst->FullDstRegisters[0].DstRegister.WriteMask; - for (i = 0; i < 4; i++) { - unsigned i2 = (i+2)%3; - unsigned i1 = (i+1)%3; - if (mask & (1<<i)) { - struct brw_reg src0, src1, dst; - dst = get_dst_reg(c, inst, i); - src0 = negate(get_src_reg(c, &inst->FullSrcRegisters[0], i2)); - src1 = get_src_reg(c, &inst->FullSrcRegisters[1], i1); - brw_MUL(p, brw_null_reg(), src0, src1); - src0 = get_src_reg(c, &inst->FullSrcRegisters[0], i1); - src1 = get_src_reg(c, &inst->FullSrcRegisters[1], i2); - brw_set_saturate(p, inst->Instruction.Saturate != TGSI_SAT_NONE); - brw_MAC(p, dst, src0, src1); - brw_set_saturate(p, 0); - } - } - brw_set_saturate(p, 0); -} - -static void emit_dp3(struct brw_wm_compile *c, - struct tgsi_full_instruction *inst) -{ - struct brw_reg src0[3], src1[3], dst; - int i; - struct brw_compile *p = &c->func; - for (i = 0; i < 3; i++) { - src0[i] = get_src_reg(c, &inst->FullSrcRegisters[0], i); - src1[i] = get_src_reg(c, &inst->FullSrcRegisters[1], i); - } - - dst = get_dst_reg(c, inst, get_scalar_dst_index(inst)); - brw_MUL(p, brw_null_reg(), src0[0], src1[0]); - brw_MAC(p, brw_null_reg(), src0[1], src1[1]); - brw_set_saturate(p, (inst->Instruction.Saturate != TGSI_SAT_NONE) ? 1 : 0); - brw_MAC(p, dst, src0[2], src1[2]); - brw_set_saturate(p, 0); -} - -static void emit_dp4(struct brw_wm_compile *c, - struct tgsi_full_instruction *inst) -{ - struct brw_reg src0[4], src1[4], dst; - int i; - struct brw_compile *p = &c->func; - for (i = 0; i < 4; i++) { - src0[i] = get_src_reg(c, &inst->FullSrcRegisters[0], i); - src1[i] = get_src_reg(c, &inst->FullSrcRegisters[1], i); - } - dst = get_dst_reg(c, inst, get_scalar_dst_index(inst)); - brw_MUL(p, brw_null_reg(), src0[0], src1[0]); - brw_MAC(p, brw_null_reg(), src0[1], src1[1]); - brw_MAC(p, brw_null_reg(), src0[2], src1[2]); - brw_set_saturate(p, (inst->Instruction.Saturate != TGSI_SAT_NONE) ? 1 : 0); - brw_MAC(p, dst, src0[3], src1[3]); - brw_set_saturate(p, 0); -} - -static void emit_dph(struct brw_wm_compile *c, - struct tgsi_full_instruction *inst) -{ - struct brw_reg src0[4], src1[4], dst; - int i; - struct brw_compile *p = &c->func; - for (i = 0; i < 4; i++) { - src0[i] = get_src_reg(c, &inst->FullSrcRegisters[0], i); - src1[i] = get_src_reg(c, &inst->FullSrcRegisters[1], i); - } - dst = get_dst_reg(c, inst, get_scalar_dst_index(inst)); - brw_MUL(p, brw_null_reg(), src0[0], src1[0]); - brw_MAC(p, brw_null_reg(), src0[1], src1[1]); - brw_MAC(p, dst, src0[2], src1[2]); - brw_set_saturate(p, (inst->Instruction.Saturate != TGSI_SAT_NONE) ? 1 : 0); - brw_ADD(p, dst, src0[3], src1[3]); - brw_set_saturate(p, 0); -} - -static void emit_math1(struct brw_wm_compile *c, - struct tgsi_full_instruction *inst, unsigned func) -{ - struct brw_compile *p = &c->func; - struct brw_reg src0, dst; - - src0 = get_src_reg(c, &inst->FullSrcRegisters[0], 0); - dst = get_dst_reg(c, inst, get_scalar_dst_index(inst)); - brw_MOV(p, brw_message_reg(2), src0); - brw_math(p, - dst, - func, - ((inst->Instruction.Saturate != TGSI_SAT_NONE) - ? BRW_MATH_SATURATE_SATURATE - : BRW_MATH_SATURATE_NONE), - 2, - brw_null_reg(), - BRW_MATH_DATA_VECTOR, - BRW_MATH_PRECISION_FULL); -} - - -static void emit_alu2(struct brw_wm_compile *c, - struct tgsi_full_instruction *inst, - unsigned opcode) -{ - struct brw_compile *p = &c->func; - struct brw_reg src0, src1, dst; - unsigned mask = inst->FullDstRegisters[0].DstRegister.WriteMask; - int i; - brw_set_saturate(p, (inst->Instruction.Saturate != TGSI_SAT_NONE) ? 1 : 0); - for (i = 0 ; i < 4; i++) { - if (mask & (1<<i)) { - dst = get_dst_reg(c, inst, i); - src0 = get_src_reg(c, &inst->FullSrcRegisters[0], i); - src1 = get_src_reg(c, &inst->FullSrcRegisters[1], i); - brw_alu2(p, opcode, dst, src0, src1); - } - } - brw_set_saturate(p, 0); -} - - -static void emit_alu1(struct brw_wm_compile *c, - struct tgsi_full_instruction *inst, - unsigned opcode) -{ - struct brw_compile *p = &c->func; - struct brw_reg src0, dst; - unsigned mask = inst->FullDstRegisters[0].DstRegister.WriteMask; - int i; - brw_set_saturate(p, (inst->Instruction.Saturate != TGSI_SAT_NONE) ? 1 : 0); - for (i = 0 ; i < 4; i++) { - if (mask & (1<<i)) { - dst = get_dst_reg(c, inst, i); - src0 = get_src_reg(c, &inst->FullSrcRegisters[0], i); - brw_alu1(p, opcode, dst, src0); - } - } - if (inst->Instruction.Saturate != TGSI_SAT_NONE) - brw_set_saturate(p, 0); -} - - -static void emit_max(struct brw_wm_compile *c, - struct tgsi_full_instruction *inst) -{ - struct brw_compile *p = &c->func; - unsigned mask = inst->FullDstRegisters[0].DstRegister.WriteMask; - struct brw_reg src0, src1, dst; - int i; - brw_push_insn_state(p); - for (i = 0; i < 4; i++) { - if (mask & (1<<i)) { - dst = get_dst_reg(c, inst, i); - src0 = get_src_reg(c, &inst->FullSrcRegisters[0], i); - src1 = get_src_reg(c, &inst->FullSrcRegisters[1], i); - brw_set_saturate(p, (inst->Instruction.Saturate != TGSI_SAT_NONE) ? 1 : 0); - brw_MOV(p, dst, src0); - brw_set_saturate(p, 0); - - brw_CMP(p, brw_null_reg(), BRW_CONDITIONAL_L, src0, src1); - brw_set_saturate(p, (inst->Instruction.Saturate != TGSI_SAT_NONE) ? 1 : 0); - brw_set_predicate_control(p, BRW_PREDICATE_NORMAL); - brw_MOV(p, dst, src1); - brw_set_saturate(p, 0); - brw_set_predicate_control_flag_value(p, 0xff); - } - } - brw_pop_insn_state(p); -} - -static void emit_min(struct brw_wm_compile *c, - struct tgsi_full_instruction *inst) -{ - struct brw_compile *p = &c->func; - unsigned mask = inst->FullDstRegisters[0].DstRegister.WriteMask; - struct brw_reg src0, src1, dst; - int i; - brw_push_insn_state(p); - for (i = 0; i < 4; i++) { - if (mask & (1<<i)) { - dst = get_dst_reg(c, inst, i); - src0 = get_src_reg(c, &inst->FullSrcRegisters[0], i); - src1 = get_src_reg(c, &inst->FullSrcRegisters[1], i); - brw_set_saturate(p, (inst->Instruction.Saturate != TGSI_SAT_NONE) ? 1 : 0); - brw_MOV(p, dst, src0); - brw_set_saturate(p, 0); - - brw_CMP(p, brw_null_reg(), BRW_CONDITIONAL_L, src1, src0); - brw_set_saturate(p, (inst->Instruction.Saturate != TGSI_SAT_NONE) ? 1 : 0); - brw_set_predicate_control(p, BRW_PREDICATE_NORMAL); - brw_MOV(p, dst, src1); - brw_set_saturate(p, 0); - brw_set_predicate_control_flag_value(p, 0xff); - } - } - brw_pop_insn_state(p); -} - -static void emit_pow(struct brw_wm_compile *c, - struct tgsi_full_instruction *inst) -{ - struct brw_compile *p = &c->func; - struct brw_reg dst, src0, src1; - dst = get_dst_reg(c, inst, get_scalar_dst_index(inst)); - src0 = get_src_reg(c, &inst->FullSrcRegisters[0], 0); - src1 = get_src_reg(c, &inst->FullSrcRegisters[1], 0); - - brw_MOV(p, brw_message_reg(2), src0); - brw_MOV(p, brw_message_reg(3), src1); - - brw_math(p, - dst, - BRW_MATH_FUNCTION_POW, - (inst->Instruction.Saturate != TGSI_SAT_NONE - ? BRW_MATH_SATURATE_SATURATE - : BRW_MATH_SATURATE_NONE), - 2, - brw_null_reg(), - BRW_MATH_DATA_VECTOR, - BRW_MATH_PRECISION_FULL); -} - -static void emit_lrp(struct brw_wm_compile *c, - struct tgsi_full_instruction *inst) -{ - struct brw_compile *p = &c->func; - unsigned mask = inst->FullDstRegisters[0].DstRegister.WriteMask; - struct brw_reg dst, tmp1, tmp2, src0, src1, src2; - int i; - for (i = 0; i < 4; i++) { - if (mask & (1<<i)) { - dst = get_dst_reg(c, inst, i); - src0 = get_src_reg(c, &inst->FullSrcRegisters[0], i); - - src1 = get_src_reg(c, &inst->FullSrcRegisters[1], i); - - if (src1.nr == dst.nr) { - tmp1 = alloc_tmp(c); - brw_MOV(p, tmp1, src1); - } else - tmp1 = src1; - - src2 = get_src_reg(c, &inst->FullSrcRegisters[2], i); - if (src2.nr == dst.nr) { - tmp2 = alloc_tmp(c); - brw_MOV(p, tmp2, src2); - } else - tmp2 = src2; - - brw_ADD(p, dst, negate(src0), brw_imm_f(1.0)); - brw_MUL(p, brw_null_reg(), dst, tmp2); - brw_set_saturate(p, (inst->Instruction.Saturate != TGSI_SAT_NONE) ? 1 : 0); - brw_MAC(p, dst, src0, tmp1); - brw_set_saturate(p, 0); - } - release_tmps(c); - } -} - -static void emit_kil(struct brw_wm_compile *c) -{ - struct brw_compile *p = &c->func; - struct brw_reg depth = retype(brw_vec1_grf(0, 0), BRW_REGISTER_TYPE_UW); - brw_push_insn_state(p); - brw_set_mask_control(p, BRW_MASK_DISABLE); - brw_NOT(p, c->emit_mask_reg, brw_mask_reg(1)); //IMASK - brw_AND(p, depth, c->emit_mask_reg, depth); - brw_pop_insn_state(p); -} - -static void emit_mad(struct brw_wm_compile *c, - struct tgsi_full_instruction *inst) -{ - struct brw_compile *p = &c->func; - unsigned mask = inst->FullDstRegisters[0].DstRegister.WriteMask; - struct brw_reg dst, src0, src1, src2; - int i; - - for (i = 0; i < 4; i++) { - if (mask & (1<<i)) { - dst = get_dst_reg(c, inst, i); - src0 = get_src_reg(c, &inst->FullSrcRegisters[0], i); - src1 = get_src_reg(c, &inst->FullSrcRegisters[1], i); - src2 = get_src_reg(c, &inst->FullSrcRegisters[2], i); - brw_MUL(p, dst, src0, src1); - - brw_set_saturate(p, (inst->Instruction.Saturate != TGSI_SAT_NONE) ? 1 : 0); - brw_ADD(p, dst, dst, src2); - brw_set_saturate(p, 0); - } - } -} - -static void emit_sop(struct brw_wm_compile *c, - struct tgsi_full_instruction *inst, unsigned cond) -{ - struct brw_compile *p = &c->func; - unsigned mask = inst->FullDstRegisters[0].DstRegister.WriteMask; - struct brw_reg dst, src0, src1; - int i; - - brw_push_insn_state(p); - for (i = 0; i < 4; i++) { - if (mask & (1<<i)) { - dst = get_dst_reg(c, inst, i); - src0 = get_src_reg(c, &inst->FullSrcRegisters[0], i); - src1 = get_src_reg(c, &inst->FullSrcRegisters[1], i); - brw_CMP(p, brw_null_reg(), cond, src0, src1); - brw_set_predicate_control(p, BRW_PREDICATE_NONE); - brw_MOV(p, dst, brw_imm_f(0.0)); - brw_set_predicate_control(p, BRW_PREDICATE_NORMAL); - brw_MOV(p, dst, brw_imm_f(1.0)); - } - } - brw_pop_insn_state(p); -} - - -static void emit_ddx(struct brw_wm_compile *c, - struct tgsi_full_instruction *inst) -{ - struct brw_compile *p = &c->func; - unsigned mask = inst->FullDstRegisters[0].DstRegister.WriteMask; - struct brw_reg interp[4]; - struct brw_reg dst; - struct brw_reg src0, w; - unsigned nr, i; - src0 = get_src_reg(c, &inst->FullSrcRegisters[0], 0); - w = get_src_reg(c, &inst->FullSrcRegisters[1], 3); - nr = src0.nr; - 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); - brw_set_saturate(p, inst->Instruction.Saturate != TGSI_SAT_NONE); - for(i = 0; i < 4; i++ ) { - if (mask & (1<<i)) { - dst = get_dst_reg(c, inst, i); - brw_MOV(p, dst, interp[i]); - brw_MUL(p, dst, dst, w); - } - } - brw_set_saturate(p, 0); -} - -static void emit_ddy(struct brw_wm_compile *c, - struct tgsi_full_instruction *inst) -{ - struct brw_compile *p = &c->func; - unsigned mask = inst->FullDstRegisters[0].DstRegister.WriteMask; - struct brw_reg interp[4]; - struct brw_reg dst; - struct brw_reg src0, w; - unsigned nr, i; - - src0 = get_src_reg(c, &inst->FullSrcRegisters[0], 0); - nr = src0.nr; - w = get_src_reg(c, &inst->FullSrcRegisters[1], 3); - 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); - brw_set_saturate(p, inst->Instruction.Saturate != TGSI_SAT_NONE); - for(i = 0; i < 4; i++ ) { - if (mask & (1<<i)) { - dst = get_dst_reg(c, inst, i); - brw_MOV(p, dst, suboffset(interp[i], 1)); - brw_MUL(p, dst, dst, w); - } - } - brw_set_saturate(p, 0); -} - -/* TODO - BIAS on SIMD8 not workind yet... -*/ -static void emit_txb(struct brw_wm_compile *c, - struct tgsi_full_instruction *inst) -{ -#if 0 - struct brw_compile *p = &c->func; - struct brw_reg payload_reg = c->payload_depth[0]; - struct brw_reg dst[4], src[4]; - unsigned i; - for (i = 0; i < 4; i++) - dst[i] = get_dst_reg(c, inst, i); - for (i = 0; i < 4; i++) - src[i] = get_src_reg(c, &inst->FullSrcRegisters[0], i); - -#if 0 - switch (inst->TexSrcTarget) { - case TEXTURE_1D_INDEX: - brw_MOV(p, brw_message_reg(2), src[0]); - brw_MOV(p, brw_message_reg(3), brw_imm_f(0)); - brw_MOV(p, brw_message_reg(4), brw_imm_f(0)); - break; - case TEXTURE_2D_INDEX: - case TEXTURE_RECT_INDEX: - brw_MOV(p, brw_message_reg(2), src[0]); - brw_MOV(p, brw_message_reg(3), src[1]); - brw_MOV(p, brw_message_reg(4), brw_imm_f(0)); - break; - default: - brw_MOV(p, brw_message_reg(2), src[0]); - brw_MOV(p, brw_message_reg(3), src[1]); - brw_MOV(p, brw_message_reg(4), src[2]); - break; - } -#else - brw_MOV(p, brw_message_reg(2), src[0]); - brw_MOV(p, brw_message_reg(3), src[1]); - brw_MOV(p, brw_message_reg(4), brw_imm_f(0)); -#endif - - brw_MOV(p, brw_message_reg(5), src[3]); - brw_MOV(p, brw_message_reg(6), brw_imm_f(0)); - brw_SAMPLE(p, - retype(vec8(dst[0]), BRW_REGISTER_TYPE_UW), - 1, - retype(payload_reg, BRW_REGISTER_TYPE_UW), - inst->TexSrcUnit + 1, /* surface */ - inst->TexSrcUnit, /* sampler */ - inst->FullDstRegisters[0].DstRegister.WriteMask, - BRW_SAMPLER_MESSAGE_SIMD16_SAMPLE_BIAS, - 4, - 4, - 0); -#endif -} - -static void emit_tex(struct brw_wm_compile *c, - struct tgsi_full_instruction *inst) -{ -#if 0 - struct brw_compile *p = &c->func; - struct brw_reg payload_reg = c->payload_depth[0]; - struct brw_reg dst[4], src[4]; - unsigned msg_len; - unsigned i, nr; - unsigned emit; - boolean shadow = (c->key.shadowtex_mask & (1<<inst->TexSrcUnit)) ? 1 : 0; - - for (i = 0; i < 4; i++) - dst[i] = get_dst_reg(c, inst, i); - for (i = 0; i < 4; i++) - src[i] = get_src_reg(c, &inst->FullSrcRegisters[0], i); - -#if 0 - switch (inst->TexSrcTarget) { - case TEXTURE_1D_INDEX: - emit = WRITEMASK_X; - nr = 1; - break; - case TEXTURE_2D_INDEX: - case TEXTURE_RECT_INDEX: - emit = WRITEMASK_XY; - nr = 2; - break; - default: - emit = WRITEMASK_XYZ; - nr = 3; - break; - } -#else - emit = WRITEMASK_XY; - nr = 2; -#endif - - msg_len = 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(msg_len+1), src[swz[i]]); - else - brw_MOV(p, brw_message_reg(msg_len+1), brw_imm_f(0)); - msg_len += 1; - } - - if (shadow) { - brw_MOV(p, brw_message_reg(5), brw_imm_f(0)); - brw_MOV(p, brw_message_reg(6), src[2]); - } - - brw_SAMPLE(p, - retype(vec8(dst[0]), BRW_REGISTER_TYPE_UW), - 1, - retype(payload_reg, BRW_REGISTER_TYPE_UW), - inst->TexSrcUnit + 1, /* surface */ - inst->TexSrcUnit, /* sampler */ - inst->FullDstRegisters[0].DstRegister.WriteMask, - BRW_SAMPLER_MESSAGE_SIMD8_SAMPLE, - 4, - shadow ? 6 : 4, - 0); - - if (shadow) - brw_MOV(p, dst[3], brw_imm_f(1.0)); -#endif -} - - - - - - - - -static void emit_fb_write(struct brw_wm_compile *c, - struct tgsi_full_instruction *inst) -{ - struct brw_compile *p = &c->func; - int nr = 2; - int channel; - int base_reg = 0; - - // src0 = output color - // src1 = payload_depth[0] - // src2 = output depth - // dst = ??? - - - - /* Reserve a space for AA - may not be needed: - */ - if (c->key.aa_dest_stencil_reg) - nr += 1; - - { - brw_push_insn_state(p); - for (channel = 0; channel < 4; channel++) { - struct brw_reg src0 = c->wm_regs[TGSI_FILE_OUTPUT][0][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_MOV(p, brw_message_reg(nr + channel), src0); - } - /* skip over the regs populated above: */ - nr += 8; - brw_pop_insn_state(p); - } - - - /* 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_MOV(p, - brw_message_reg(base_reg + 1), - brw_vec8_grf(1, 0)); - brw_pop_insn_state(p); - } - - /* Send framebuffer write message: */ - brw_fb_WRITE(p, - retype(vec8(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 brw_wm_emit_instruction( struct brw_wm_compile *c, - struct tgsi_full_instruction *inst ) -{ - struct brw_compile *p = &c->func; - -#if 0 - if (inst->CondUpdate) - brw_set_conditionalmod(p, BRW_CONDITIONAL_NZ); - else - brw_set_conditionalmod(p, BRW_CONDITIONAL_NONE); -#else - brw_set_conditionalmod(p, BRW_CONDITIONAL_NONE); -#endif - - switch (inst->Instruction.Opcode) { - case TGSI_OPCODE_ABS: - emit_abs(c, inst); - break; - case TGSI_OPCODE_ADD: - emit_alu2(c, inst, BRW_OPCODE_ADD); - break; - case TGSI_OPCODE_SUB: - assert(0); -// emit_alu2(c, inst, BRW_OPCODE_SUB); - break; - case TGSI_OPCODE_FRC: - emit_alu1(c, inst, BRW_OPCODE_FRC); - break; - case TGSI_OPCODE_FLR: - assert(0); -// emit_alu1(c, inst, BRW_OPCODE_FLR); - break; - case TGSI_OPCODE_LRP: - emit_lrp(c, inst); - break; - case TGSI_OPCODE_INT: - emit_alu1(c, inst, BRW_OPCODE_RNDD); - break; - case TGSI_OPCODE_MOV: - emit_alu1(c, inst, BRW_OPCODE_MOV); - break; - case TGSI_OPCODE_DP3: - emit_dp3(c, inst); - break; - case TGSI_OPCODE_DP4: - emit_dp4(c, inst); - break; - case TGSI_OPCODE_XPD: - emit_xpd(c, inst); - break; - case TGSI_OPCODE_DPH: - emit_dph(c, inst); - break; - case TGSI_OPCODE_RCP: - emit_math1(c, inst, BRW_MATH_FUNCTION_INV); - break; - case TGSI_OPCODE_RSQ: - emit_math1(c, inst, BRW_MATH_FUNCTION_RSQ); - break; - case TGSI_OPCODE_SIN: - emit_math1(c, inst, BRW_MATH_FUNCTION_SIN); - break; - case TGSI_OPCODE_COS: - emit_math1(c, inst, BRW_MATH_FUNCTION_COS); - break; - case TGSI_OPCODE_EX2: - emit_math1(c, inst, BRW_MATH_FUNCTION_EXP); - break; - case TGSI_OPCODE_LG2: - emit_math1(c, inst, BRW_MATH_FUNCTION_LOG); - break; - case TGSI_OPCODE_MAX: - emit_max(c, inst); - break; - case TGSI_OPCODE_MIN: - emit_min(c, inst); - break; - case TGSI_OPCODE_DDX: - emit_ddx(c, inst); - break; - case TGSI_OPCODE_DDY: - emit_ddy(c, inst); - break; - case TGSI_OPCODE_SLT: - emit_sop(c, inst, BRW_CONDITIONAL_L); - break; - case TGSI_OPCODE_SLE: - emit_sop(c, inst, BRW_CONDITIONAL_LE); - break; - case TGSI_OPCODE_SGT: - emit_sop(c, inst, BRW_CONDITIONAL_G); - break; - case TGSI_OPCODE_SGE: - emit_sop(c, inst, BRW_CONDITIONAL_GE); - break; - case TGSI_OPCODE_SEQ: - emit_sop(c, inst, BRW_CONDITIONAL_EQ); - break; - case TGSI_OPCODE_SNE: - emit_sop(c, inst, BRW_CONDITIONAL_NEQ); - break; - case TGSI_OPCODE_MUL: - emit_alu2(c, inst, BRW_OPCODE_MUL); - break; - case TGSI_OPCODE_POW: - emit_pow(c, inst); - break; - case TGSI_OPCODE_MAD: - emit_mad(c, inst); - break; - case TGSI_OPCODE_TEX: - emit_tex(c, inst); - break; - case TGSI_OPCODE_TXB: - emit_txb(c, inst); - break; - case TGSI_OPCODE_TEXKILL: - emit_kil(c); - break; - case TGSI_OPCODE_IF: - assert(c->if_insn < MAX_IFSN); - c->if_inst[c->if_insn++] = brw_IF(p, BRW_EXECUTE_8); - break; - case TGSI_OPCODE_ELSE: - c->if_inst[c->if_insn-1] = brw_ELSE(p, c->if_inst[c->if_insn-1]); - break; - case TGSI_OPCODE_ENDIF: - assert(c->if_insn > 0); - brw_ENDIF(p, c->if_inst[--c->if_insn]); - break; - case TGSI_OPCODE_BGNSUB: - case TGSI_OPCODE_ENDSUB: - break; - case TGSI_OPCODE_CAL: - brw_push_insn_state(p); - brw_set_mask_control(p, BRW_MASK_DISABLE); - brw_set_access_mode(p, BRW_ALIGN_1); - brw_ADD(p, deref_1ud(c->stack_index, 0), brw_ip_reg(), brw_imm_d(3*16)); - brw_set_access_mode(p, BRW_ALIGN_16); - brw_ADD(p, - get_addr_reg(c->stack_index), - get_addr_reg(c->stack_index), brw_imm_d(4)); -// orig_inst = inst->Data; -// orig_inst->Data = &p->store[p->nr_insn]; - assert(0); - brw_ADD(p, brw_ip_reg(), brw_ip_reg(), brw_imm_d(1*16)); - brw_pop_insn_state(p); - break; - - case TGSI_OPCODE_RET: -#if 0 - brw_push_insn_state(p); - brw_set_mask_control(p, BRW_MASK_DISABLE); - brw_ADD(p, - get_addr_reg(c->stack_index), - get_addr_reg(c->stack_index), brw_imm_d(-4)); - brw_set_access_mode(p, BRW_ALIGN_1); - brw_MOV(p, brw_ip_reg(), deref_1ud(c->stack_index, 0)); - brw_set_access_mode(p, BRW_ALIGN_16); - brw_pop_insn_state(p); -#else - emit_fb_write(c, inst); -#endif - - break; - case TGSI_OPCODE_BGNFOR: - c->loop_inst[c->loop_insn++] = brw_DO(p, BRW_EXECUTE_8); - break; - case TGSI_OPCODE_BRK: - brw_BREAK(p); - brw_set_predicate_control(p, BRW_PREDICATE_NONE); - break; - case TGSI_OPCODE_CONT: - brw_CONT(p); - brw_set_predicate_control(p, BRW_PREDICATE_NONE); - break; - case TGSI_OPCODE_ENDFOR: - c->loop_insn--; - c->inst0 = c->inst1 = brw_WHILE(p, c->loop_inst[c->loop_insn]); - /* patch all the BREAK instructions from - last BGNFOR */ - while (c->inst0 > c->loop_inst[c->loop_insn]) { - c->inst0--; - if (c->inst0->header.opcode == BRW_OPCODE_BREAK) { - c->inst0->bits3.if_else.jump_count = c->inst1 - c->inst0 + 1; - c->inst0->bits3.if_else.pop_count = 0; - } else if (c->inst0->header.opcode == BRW_OPCODE_CONTINUE) { - c->inst0->bits3.if_else.jump_count = c->inst1 - c->inst0; - c->inst0->bits3.if_else.pop_count = 0; - } - } - break; - case TGSI_OPCODE_END: - emit_fb_write(c, inst); - break; - - default: - debug_printf("unsupported IR in fragment shader %d\n", - inst->Instruction.Opcode); - } -#if 0 - if (inst->CondUpdate) - brw_set_predicate_control(p, BRW_PREDICATE_NORMAL); - else - brw_set_predicate_control(p, BRW_PREDICATE_NONE); -#endif -} - - - - - - -void brw_wm_glsl_emit(struct brw_wm_compile *c) -{ - struct tgsi_parse_context parse; - struct brw_compile *p = &c->func; - - brw_init_compile(&c->func); - brw_set_compression_control(p, BRW_COMPRESSION_NONE); - - c->reg_index = 0; - c->if_insn = 0; - c->loop_insn = 0; - c->stack_index = brw_indirect(0,0); - - /* Do static register allocation and parameter interpolation: - */ - brw_wm_emit_decls( c ); - - /* Emit the actual program. All done with very direct translation, - * hopefully we can improve on this shortly... - */ - brw_MOV(p, get_addr_reg(c->stack_index), brw_address(c->stack)); - - tgsi_parse_init( &parse, c->fp->program.tokens ); - - while( !tgsi_parse_end_of_tokens( &parse ) ) - { - tgsi_parse_token( &parse ); - - switch( parse.FullToken.Token.Type ) { - case TGSI_TOKEN_TYPE_DECLARATION: - /* already done */ - break; - - case TGSI_TOKEN_TYPE_IMMEDIATE: - /* not handled yet */ - assert(0); - break; - - case TGSI_TOKEN_TYPE_INSTRUCTION: - brw_wm_emit_instruction(c, &parse.FullToken.FullInstruction); - break; - - default: - assert( 0 ); - } - } - - tgsi_parse_free (&parse); - - /* Fix up call targets: - */ -#if 0 - { - unsigned nr_insns = c->fp->program.Base.NumInstructions; - unsigned insn, target_insn; - struct tgsi_full_instruction *inst1, *inst2; - struct brw_instruction *brw_inst1, *brw_inst2; - int offset; - for (insn = 0; insn < nr_insns; insn++) { - inst1 = &c->fp->program.Base.Instructions[insn]; - brw_inst1 = inst1->Data; - switch (inst1->Opcode) { - case TGSI_OPCODE_CAL: - target_insn = inst1->BranchTarget; - inst2 = &c->fp->program.Base.Instructions[target_insn]; - brw_inst2 = inst2->Data; - offset = brw_inst2 - brw_inst1; - brw_set_src1(brw_inst1, brw_imm_d(offset*16)); - break; - default: - break; - } - } - } -#endif - - c->prog_data.total_grf = c->reg_index; - c->prog_data.total_scratch = 0; -} |