for (j = 0; j < 4; j++)
set_reg(c, PROGRAM_PAYLOAD, fp_input, j, reg);
}
- if (c->key.vp_outputs_written & (1 << i)) {
+ if (c->key.vp_outputs_written & BITFIELD64_BIT(i)) {
reg_index += 2;
}
}
}
}
-
-/**
- * Same as \sa get_src_reg() but if the register is a literal, emit
- * a brw_reg encoding the literal.
- * Note that a brw instruction only allows one src operand to be a literal.
- * For instructions with more than one operand, only the second can be a
- * literal. This means that we treat some literals as constants/uniforms
- * (which why PROGRAM_CONSTANT is checked in fetch_constants()).
- *
- */
-static struct brw_reg get_src_reg_imm(struct brw_wm_compile *c,
- const struct prog_instruction *inst,
- GLuint srcRegIndex, GLuint channel)
-{
- const struct prog_src_register *src = &inst->SrcReg[srcRegIndex];
- if (src->File == PROGRAM_CONSTANT) {
- /* a literal */
- const int component = GET_SWZ(src->Swizzle, channel);
- const GLfloat *param =
- c->fp->program.Base.Parameters->ParameterValues[src->Index];
- GLfloat value = param[component];
- if (src->Negate & (1 << channel))
- value = -value;
- if (src->Abs)
- value = FABSF(value);
-#if 0
- printf(" form immed value %f for chan %d\n", value, channel);
-#endif
- return brw_imm_f(value);
- }
- else {
- return get_src_reg(c, inst, srcRegIndex, channel);
- }
-}
-
-
/**
* Subroutines are minimal support for resusable instruction sequences.
* They are implemented as simply as possible to minimise overhead: there
release_tmps(c, mark);
}
-static void emit_pixel_xy(struct brw_wm_compile *c,
- const struct prog_instruction *inst)
-{
- struct brw_reg r1 = brw_vec1_grf(1, 0);
- struct brw_reg r1_uw = retype(r1, BRW_REGISTER_TYPE_UW);
-
- struct brw_reg dst0, dst1;
- struct brw_compile *p = &c->func;
- GLuint mask = inst->DstReg.WriteMask;
-
- dst0 = get_dst_reg(c, inst, 0);
- dst1 = get_dst_reg(c, inst, 1);
- /* Calculate pixel centers by adding 1 or 0 to each of the
- * micro-tile coordinates passed in r1.
- */
- if (mask & WRITEMASK_X) {
- brw_ADD(p,
- vec8(retype(dst0, BRW_REGISTER_TYPE_UW)),
- stride(suboffset(r1_uw, 4), 2, 4, 0),
- brw_imm_v(0x10101010));
- }
-
- if (mask & WRITEMASK_Y) {
- brw_ADD(p,
- vec8(retype(dst1, BRW_REGISTER_TYPE_UW)),
- stride(suboffset(r1_uw, 5), 2, 4, 0),
- brw_imm_v(0x11001100));
- }
-}
-
-static void emit_delta_xy(struct brw_wm_compile *c,
- const struct prog_instruction *inst)
-{
- struct brw_reg r1 = brw_vec1_grf(1, 0);
- struct brw_reg dst0, dst1, src0, src1;
- struct brw_compile *p = &c->func;
- GLuint mask = inst->DstReg.WriteMask;
-
- dst0 = get_dst_reg(c, inst, 0);
- dst1 = get_dst_reg(c, inst, 1);
- src0 = get_src_reg(c, inst, 0, 0);
- src1 = get_src_reg(c, inst, 0, 1);
- /* Calc delta X,Y by subtracting origin in r1 from the pixel
- * centers.
- */
- if (mask & WRITEMASK_X) {
- brw_ADD(p,
- dst0,
- retype(src0, BRW_REGISTER_TYPE_UW),
- negate(r1));
- }
-
- if (mask & WRITEMASK_Y) {
- brw_ADD(p,
- dst1,
- retype(src1, BRW_REGISTER_TYPE_UW),
- negate(suboffset(r1,1)));
-
- }
-}
-
-static void fire_fb_write( struct brw_wm_compile *c,
- GLuint base_reg,
- GLuint nr,
- GLuint target,
- GLuint eot)
-{
- 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_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),
- target,
- nr,
- 0,
- eot);
-}
-
-static void emit_fb_write(struct brw_wm_compile *c,
- const struct prog_instruction *inst)
-{
- struct brw_compile *p = &c->func;
- int nr = 2;
- int channel;
- GLuint target, eot;
- struct brw_reg src0;
-
- /* 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++) {
- src0 = get_src_reg(c, inst, 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);
-
- if (c->key.source_depth_to_render_target) {
- if (c->key.computes_depth) {
- src0 = get_src_reg(c, inst, 2, 2);
- brw_MOV(p, brw_message_reg(nr), src0);
- }
- else {
- src0 = get_src_reg(c, inst, 1, 1);
- brw_MOV(p, brw_message_reg(nr), src0);
- }
-
- nr += 2;
- }
-
- if (c->key.dest_depth_reg) {
- const GLuint comp = c->key.dest_depth_reg / 2;
- const GLuint off = c->key.dest_depth_reg % 2;
-
- if (off != 0) {
- /* XXX this code needs review/testing */
- struct brw_reg arg1_0 = get_src_reg(c, inst, 1, comp);
- struct brw_reg arg1_1 = get_src_reg(c, inst, 1, comp+1);
-
- brw_push_insn_state(p);
- brw_set_compression_control(p, BRW_COMPRESSION_NONE);
-
- brw_MOV(p, brw_message_reg(nr), offset(arg1_0, 1));
- /* 2nd half? */
- brw_MOV(p, brw_message_reg(nr+1), arg1_1);
- brw_pop_insn_state(p);
- }
- else
- {
- struct brw_reg src = get_src_reg(c, inst, 1, 1);
- brw_MOV(p, brw_message_reg(nr), src);
- }
- nr += 2;
- }
-
- target = INST_AUX_GET_TARGET(inst->Aux);
- eot = inst->Aux & INST_AUX_EOT;
- fire_fb_write(c, 0, nr, target, eot);
-}
-
-static void emit_pixel_w( struct brw_wm_compile *c,
- const struct prog_instruction *inst)
-{
- struct brw_compile *p = &c->func;
- GLuint mask = inst->DstReg.WriteMask;
- if (mask & WRITEMASK_W) {
- struct brw_reg dst, src0, delta0, delta1;
- struct brw_reg interp3;
-
- dst = get_dst_reg(c, inst, 3);
- src0 = get_src_reg(c, inst, 0, 0);
- delta0 = get_src_reg(c, inst, 1, 0);
- delta1 = get_src_reg(c, inst, 1, 1);
-
- interp3 = brw_vec1_grf(src0.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, delta0);
- brw_MAC(p, brw_message_reg(2), suboffset(interp3, 1), delta1);
-
- /* Calc w */
- brw_math_16( p, dst,
- BRW_MATH_FUNCTION_INV,
- BRW_MATH_SATURATE_NONE,
- 2, brw_null_reg(),
- BRW_MATH_PRECISION_FULL);
- }
-}
-
-static void emit_linterp(struct brw_wm_compile *c,
- const struct prog_instruction *inst)
-{
- struct brw_compile *p = &c->func;
- GLuint mask = inst->DstReg.WriteMask;
- struct brw_reg interp[4];
- struct brw_reg dst, delta0, delta1;
- struct brw_reg src0;
- GLuint nr, i;
-
- src0 = get_src_reg(c, inst, 0, 0);
- delta0 = get_src_reg(c, inst, 1, 0);
- delta1 = get_src_reg(c, inst, 1, 1);
- 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);
-
- for(i = 0; i < 4; i++ ) {
- if (mask & (1<<i)) {
- dst = get_dst_reg(c, inst, i);
- brw_LINE(p, brw_null_reg(), interp[i], delta0);
- brw_MAC(p, dst, suboffset(interp[i],1), delta1);
- }
- }
-}
-
-static void emit_cinterp(struct brw_wm_compile *c,
- const struct prog_instruction *inst)
-{
- struct brw_compile *p = &c->func;
- GLuint mask = inst->DstReg.WriteMask;
-
- struct brw_reg interp[4];
- struct brw_reg dst, src0;
- GLuint nr, i;
-
- src0 = get_src_reg(c, inst, 0, 0);
- 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);
-
- for(i = 0; i < 4; i++ ) {
- if (mask & (1<<i)) {
- dst = get_dst_reg(c, inst, i);
- brw_MOV(p, dst, suboffset(interp[i],3));
- }
- }
-}
-
-static void emit_pinterp(struct brw_wm_compile *c,
- const struct prog_instruction *inst)
-{
- struct brw_compile *p = &c->func;
- GLuint mask = inst->DstReg.WriteMask;
-
- struct brw_reg interp[4];
- struct brw_reg dst, delta0, delta1;
- struct brw_reg src0, w;
- GLuint nr, i;
-
- src0 = get_src_reg(c, inst, 0, 0);
- delta0 = get_src_reg(c, inst, 1, 0);
- delta1 = get_src_reg(c, inst, 1, 1);
- w = get_src_reg(c, inst, 2, 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);
-
- for(i = 0; i < 4; i++ ) {
- if (mask & (1<<i)) {
- dst = get_dst_reg(c, inst, i);
- brw_LINE(p, brw_null_reg(), interp[i], delta0);
- brw_MAC(p, dst, suboffset(interp[i],1),
- delta1);
- brw_MUL(p, dst, dst, w);
- }
- }
-}
-
-/* Sets the destination channels to 1.0 or 0.0 according to glFrontFacing. */
-static void emit_frontfacing(struct brw_wm_compile *c,
- const struct prog_instruction *inst)
+/* Workaround for using brw_wm_emit.c's emit functions, which expect
+ * destination regs to be uniquely written. Moves arguments out to
+ * temporaries as necessary for instructions which use their destination as
+ * a temporary.
+ */
+static void
+unalias2(struct brw_wm_compile *c,
+ void (*func)(struct brw_compile *c,
+ const struct brw_reg *dst,
+ GLuint mask,
+ const struct brw_reg *arg0,
+ const struct brw_reg *arg1),
+ const struct brw_reg *dst,
+ GLuint mask,
+ const struct brw_reg *arg0,
+ const struct brw_reg *arg1)
{
struct brw_compile *p = &c->func;
- struct brw_reg r1_6ud = retype(brw_vec1_grf(1, 6), BRW_REGISTER_TYPE_UD);
- struct brw_reg dst;
- GLuint mask = inst->DstReg.WriteMask;
- int i;
-
- for (i = 0; i < 4; i++) {
- if (mask & (1<<i)) {
- dst = get_dst_reg(c, inst, i);
- brw_MOV(p, dst, brw_imm_f(0.0));
- }
- }
+ struct brw_reg tmp_arg0[4], tmp_arg1[4];
+ int i, j;
+ int mark = mark_tmps(c);
- /* bit 31 is "primitive is back face", so checking < (1 << 31) gives
- * us front face
- */
- brw_CMP(p, brw_null_reg(), BRW_CONDITIONAL_L, r1_6ud, brw_imm_ud(1 << 31));
- for (i = 0; i < 4; i++) {
- if (mask & (1<<i)) {
- dst = get_dst_reg(c, inst, i);
- brw_MOV(p, dst, brw_imm_f(1.0));
- }
+ for (j = 0; j < 4; j++) {
+ tmp_arg0[j] = arg0[j];
+ tmp_arg1[j] = arg1[j];
}
- brw_set_predicate_control_flag_value(p, 0xff);
-}
-static void emit_xpd(struct brw_wm_compile *c,
- const struct prog_instruction *inst)
-{
- int i;
- struct brw_compile *p = &c->func;
- GLuint mask = inst->DstReg.WriteMask;
for (i = 0; i < 4; i++) {
- GLuint i2 = (i+2)%3;
- GLuint 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, 0, i2));
- src1 = get_src_reg_imm(c, inst, 1, i1);
- brw_MUL(p, brw_null_reg(), src0, src1);
- src0 = get_src_reg(c, inst, 0, i1);
- src1 = get_src_reg_imm(c, inst, 1, i2);
- brw_set_saturate(p, inst->SaturateMode != SATURATE_OFF);
- brw_MAC(p, dst, src0, src1);
- brw_set_saturate(p, 0);
+ for (j = 0; j < 4; j++) {
+ if (arg0[j].file == dst[i].file &&
+ dst[i].nr == arg0[j].nr) {
+ tmp_arg0[j] = alloc_tmp(c);
+ brw_MOV(p, tmp_arg0[j], arg0[j]);
+ }
+ if (arg1[j].file == dst[i].file &&
+ dst[i].nr == arg1[j].nr) {
+ tmp_arg1[j] = alloc_tmp(c);
+ brw_MOV(p, tmp_arg1[j], arg1[j]);
+ }
+ }
}
}
- brw_set_saturate(p, 0);
-}
-
-/**
- * Emit a scalar instruction, like RCP, RSQ, LOG, EXP.
- * Note that the result of the function is smeared across the dest
- * register's X, Y, Z and W channels (subject to writemasking of course).
- */
-static void emit_math1(struct brw_wm_compile *c,
- const struct prog_instruction *inst, GLuint func)
-{
- struct brw_compile *p = &c->func;
- struct brw_reg src0, dst;
- GLuint mask = inst->DstReg.WriteMask;
- int dst_chan = _mesa_ffs(mask & WRITEMASK_XYZW) - 1;
-
- if (!(mask & WRITEMASK_XYZW))
- return;
-
- assert(is_power_of_two(mask & WRITEMASK_XYZW));
-
- /* Get first component of source register */
- dst = get_dst_reg(c, inst, dst_chan);
- src0 = get_src_reg(c, inst, 0, 0);
-
- brw_MOV(p, brw_message_reg(2), src0);
- brw_math(p,
- dst,
- func,
- (inst->SaturateMode != SATURATE_OFF) ? BRW_MATH_SATURATE_SATURATE : BRW_MATH_SATURATE_NONE,
- 2,
- brw_null_reg(),
- BRW_MATH_DATA_VECTOR,
- BRW_MATH_PRECISION_FULL);
-}
-
-static void emit_rcp(struct brw_wm_compile *c,
- const struct prog_instruction *inst)
-{
- emit_math1(c, inst, BRW_MATH_FUNCTION_INV);
-}
-static void emit_rsq(struct brw_wm_compile *c,
- const struct prog_instruction *inst)
-{
- emit_math1(c, inst, BRW_MATH_FUNCTION_RSQ);
-}
+ func(p, dst, mask, tmp_arg0, tmp_arg1);
-static void emit_sin(struct brw_wm_compile *c,
- const struct prog_instruction *inst)
-{
- emit_math1(c, inst, BRW_MATH_FUNCTION_SIN);
-}
-
-static void emit_cos(struct brw_wm_compile *c,
- const struct prog_instruction *inst)
-{
- emit_math1(c, inst, BRW_MATH_FUNCTION_COS);
-}
-
-static void emit_ex2(struct brw_wm_compile *c,
- const struct prog_instruction *inst)
-{
- emit_math1(c, inst, BRW_MATH_FUNCTION_EXP);
-}
-
-static void emit_lg2(struct brw_wm_compile *c,
- const struct prog_instruction *inst)
-{
- emit_math1(c, inst, BRW_MATH_FUNCTION_LOG);
+ release_tmps(c, mark);
}
static void emit_arl(struct brw_wm_compile *c,
brw_set_saturate(p, 0);
}
-
-static void emit_min_max(struct brw_wm_compile *c,
- const struct prog_instruction *inst)
-{
- struct brw_compile *p = &c->func;
- const GLuint mask = inst->DstReg.WriteMask;
- const int mark = mark_tmps(c);
- int i;
- brw_push_insn_state(p);
- for (i = 0; i < 4; i++) {
- if (mask & (1<<i)) {
- struct brw_reg real_dst = get_dst_reg(c, inst, i);
- struct brw_reg src0 = get_src_reg(c, inst, 0, i);
- struct brw_reg src1 = get_src_reg(c, inst, 1, i);
- struct brw_reg dst;
- /* if dst==src0 or dst==src1 we need to use a temp reg */
- GLboolean use_temp = brw_same_reg(dst, src0) ||
- brw_same_reg(dst, src1);
- if (use_temp)
- dst = alloc_tmp(c);
- else
- dst = real_dst;
-
- /*
- printf(" Min/max: dst %d src0 %d src1 %d\n",
- dst.nr, src0.nr, src1.nr);
- */
- brw_set_saturate(p, (inst->SaturateMode != SATURATE_OFF) ? 1 : 0);
- brw_MOV(p, dst, src0);
- brw_set_saturate(p, 0);
-
- if (inst->Opcode == OPCODE_MIN)
- brw_CMP(p, brw_null_reg(), BRW_CONDITIONAL_L, src1, src0);
- else
- brw_CMP(p, brw_null_reg(), BRW_CONDITIONAL_G, src1, src0);
-
- brw_set_saturate(p, (inst->SaturateMode != SATURATE_OFF) ? 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);
- if (use_temp)
- brw_MOV(p, real_dst, dst);
- }
- }
- brw_pop_insn_state(p);
- release_tmps(c, mark);
-}
-
-static void emit_pow(struct brw_wm_compile *c,
- const struct prog_instruction *inst)
-{
- struct brw_compile *p = &c->func;
- struct brw_reg dst, src0, src1;
- GLuint mask = inst->DstReg.WriteMask;
- int dst_chan = _mesa_ffs(mask & WRITEMASK_XYZW) - 1;
-
- if (!(mask & WRITEMASK_XYZW))
- return;
-
- assert(is_power_of_two(mask & WRITEMASK_XYZW));
-
- dst = get_dst_reg(c, inst, dst_chan);
- src0 = get_src_reg_imm(c, inst, 0, 0);
- src1 = get_src_reg_imm(c, inst, 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->SaturateMode != SATURATE_OFF) ? BRW_MATH_SATURATE_SATURATE : BRW_MATH_SATURATE_NONE,
- 2,
- brw_null_reg(),
- BRW_MATH_DATA_VECTOR,
- BRW_MATH_PRECISION_FULL);
-}
-
/**
* For GLSL shaders, this KIL will be unconditional.
* It may be contained inside an IF/ENDIF structure of course.
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_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);
}
release_tmps( c, mark );
}
-
-static void emit_wpos_xy(struct brw_wm_compile *c,
- const struct prog_instruction *inst)
-{
- struct brw_compile *p = &c->func;
- GLuint mask = inst->DstReg.WriteMask;
- struct brw_reg src0[2], dst[2];
-
- dst[0] = get_dst_reg(c, inst, 0);
- dst[1] = get_dst_reg(c, inst, 1);
-
- src0[0] = get_src_reg(c, inst, 0, 0);
- src0[1] = get_src_reg(c, inst, 0, 1);
-
- /* Calculate the pixel offset from window bottom left into destination
- * X and Y channels.
- */
- if (mask & WRITEMASK_X) {
- /* X' = X - origin_x */
- brw_ADD(p,
- dst[0],
- retype(src0[0], BRW_REGISTER_TYPE_W),
- brw_imm_d(0 - c->key.origin_x));
- }
-
- if (mask & WRITEMASK_Y) {
- /* Y' = height - (Y - origin_y) = height + origin_y - Y */
- brw_ADD(p,
- dst[1],
- negate(retype(src0[1], BRW_REGISTER_TYPE_W)),
- brw_imm_d(c->key.origin_y + c->key.drawable_height - 1));
- }
-}
-
-/* TODO
- BIAS on SIMD8 not working yet...
- */
-static void emit_txb(struct brw_wm_compile *c,
- const struct prog_instruction *inst)
-{
- struct brw_compile *p = &c->func;
- struct brw_reg dst[4], src[4], payload_reg;
- /* Note: TexSrcUnit was already looked up through SamplerTextures[] */
- const GLuint unit = inst->TexSrcUnit;
- GLuint i;
- GLuint msg_type;
-
- assert(unit < BRW_MAX_TEX_UNIT);
-
- payload_reg = get_reg(c, PROGRAM_PAYLOAD, PAYLOAD_DEPTH, 0, 1, 0, 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, 0, i);
-
- switch (inst->TexSrcTarget) {
- case TEXTURE_1D_INDEX:
- brw_MOV(p, brw_message_reg(2), src[0]); /* s coord */
- brw_MOV(p, brw_message_reg(3), brw_imm_f(0)); /* t coord */
- brw_MOV(p, brw_message_reg(4), brw_imm_f(0)); /* r coord */
- 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;
- case TEXTURE_3D_INDEX:
- case TEXTURE_CUBE_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), src[2]);
- break;
- default:
- /* invalid target */
- abort();
- }
- brw_MOV(p, brw_message_reg(5), src[3]); /* bias */
- brw_MOV(p, brw_message_reg(6), brw_imm_f(0)); /* ref (unused?) */
-
- if (BRW_IS_IGDNG(p->brw)) {
- msg_type = BRW_SAMPLER_MESSAGE_SIMD8_SAMPLE_BIAS_IGDNG;
- } else {
- /* Does it work well on SIMD8? */
- msg_type = BRW_SAMPLER_MESSAGE_SIMD16_SAMPLE_BIAS;
- }
-
- brw_SAMPLE(p,
- retype(vec8(dst[0]), BRW_REGISTER_TYPE_UW), /* dest */
- 1, /* msg_reg_nr */
- retype(payload_reg, BRW_REGISTER_TYPE_UW), /* src0 */
- SURF_INDEX_TEXTURE(unit),
- unit, /* sampler */
- inst->DstReg.WriteMask, /* writemask */
- msg_type, /* msg_type */
- 4, /* response_length */
- 4, /* msg_length */
- 0, /* eot */
- 1,
- BRW_SAMPLER_SIMD_MODE_SIMD8);
-}
-
-
-static void emit_tex(struct brw_wm_compile *c,
- const struct prog_instruction *inst)
-{
- struct brw_compile *p = &c->func;
- struct brw_reg dst[4], src[4], payload_reg;
- /* Note: TexSrcUnit was already looked up through SamplerTextures[] */
- const GLuint unit = inst->TexSrcUnit;
- GLuint msg_len;
- GLuint i, nr;
- GLuint emit;
- GLboolean shadow = (c->key.shadowtex_mask & (1<<unit)) ? 1 : 0;
- GLuint msg_type;
-
- assert(unit < BRW_MAX_TEX_UNIT);
-
- payload_reg = get_reg(c, PROGRAM_PAYLOAD, PAYLOAD_DEPTH, 0, 1, 0, 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, 0, i);
-
- 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;
- case TEXTURE_3D_INDEX:
- case TEXTURE_CUBE_INDEX:
- emit = WRITEMASK_XYZ;
- nr = 3;
- break;
- default:
- /* invalid target */
- abort();
- }
- msg_len = 1;
-
- /* move/load S, T, R coords */
- for (i = 0; i < nr; i++) {
- static const GLuint 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)); /* lod / bias */
- brw_MOV(p, brw_message_reg(6), src[2]); /* ref value / R coord */
- }
-
- if (BRW_IS_IGDNG(p->brw)) {
- if (shadow)
- msg_type = BRW_SAMPLER_MESSAGE_SIMD8_SAMPLE_COMPARE_IGDNG;
- else
- msg_type = BRW_SAMPLER_MESSAGE_SIMD8_SAMPLE_IGDNG;
- } else {
- /* Does it work for shadow on SIMD8 ? */
- msg_type = BRW_SAMPLER_MESSAGE_SIMD8_SAMPLE;
- }
-
- brw_SAMPLE(p,
- retype(vec8(dst[0]), BRW_REGISTER_TYPE_UW), /* dest */
- 1, /* msg_reg_nr */
- retype(payload_reg, BRW_REGISTER_TYPE_UW), /* src0 */
- SURF_INDEX_TEXTURE(unit),
- unit, /* sampler */
- inst->DstReg.WriteMask, /* writemask */
- msg_type, /* msg_type */
- 4, /* response_length */
- shadow ? 6 : 4, /* msg_length */
- 0, /* eot */
- 1,
- BRW_SAMPLER_SIMD_MODE_SIMD8);
-
- if (shadow)
- brw_MOV(p, dst[3], brw_imm_f(1.0));
-}
-
/**
* Resolve subroutine calls after code emit is done.
static void brw_wm_emit_glsl(struct brw_context *brw, struct brw_wm_compile *c)
{
+ struct intel_context *intel = &brw->intel;
#define MAX_IF_DEPTH 32
#define MAX_LOOP_DEPTH 32
struct brw_instruction *if_inst[MAX_IF_DEPTH], *loop_inst[MAX_LOOP_DEPTH];
else
brw_set_conditionalmod(p, BRW_CONDITIONAL_NONE);
- dst_flags = inst->DstReg.WriteMask;
- if (inst->SaturateMode == SATURATE_ZERO_ONE)
- dst_flags |= SATURATE;
-
switch (inst->Opcode) {
case WM_PIXELXY:
- emit_pixel_xy(c, inst);
+ emit_pixel_xy(c, dst, dst_flags);
break;
case WM_DELTAXY:
- emit_delta_xy(c, inst);
+ emit_delta_xy(p, dst, dst_flags, args[0]);
break;
case WM_PIXELW:
- emit_pixel_w(c, inst);
+ emit_pixel_w(c, dst, dst_flags, args[0], args[1]);
break;
case WM_LINTERP:
- emit_linterp(c, inst);
+ emit_linterp(p, dst, dst_flags, args[0], args[1]);
break;
case WM_PINTERP:
- emit_pinterp(c, inst);
+ emit_pinterp(p, dst, dst_flags, args[0], args[1], args[2]);
break;
case WM_CINTERP:
- emit_cinterp(c, inst);
+ emit_cinterp(p, dst, dst_flags, args[0]);
break;
case WM_WPOSXY:
- emit_wpos_xy(c, inst);
+ emit_wpos_xy(c, dst, dst_flags, args[0]);
break;
case WM_FB_WRITE:
- emit_fb_write(c, inst);
+ emit_fb_write(c, args[0], args[1], args[2],
+ INST_AUX_GET_TARGET(inst->Aux),
+ inst->Aux & INST_AUX_EOT);
break;
case WM_FRONTFACING:
- emit_frontfacing(c, inst);
+ emit_frontfacing(p, dst, dst_flags);
break;
case OPCODE_ADD:
emit_alu2(p, brw_ADD, dst, dst_flags, args[0], args[1]);
emit_dp4(p, dst, dst_flags, args[0], args[1]);
break;
case OPCODE_XPD:
- emit_xpd(c, inst);
+ emit_xpd(p, dst, dst_flags, args[0], args[1]);
break;
case OPCODE_DPH:
emit_dph(p, dst, dst_flags, args[0], args[1]);
break;
case OPCODE_RCP:
- emit_rcp(c, inst);
+ emit_math1(c, BRW_MATH_FUNCTION_INV, dst, dst_flags, args[0]);
break;
case OPCODE_RSQ:
- emit_rsq(c, inst);
+ emit_math1(c, BRW_MATH_FUNCTION_RSQ, dst, dst_flags, args[0]);
break;
case OPCODE_SIN:
- emit_sin(c, inst);
+ emit_math1(c, BRW_MATH_FUNCTION_SIN, dst, dst_flags, args[0]);
break;
case OPCODE_COS:
- emit_cos(c, inst);
+ emit_math1(c, BRW_MATH_FUNCTION_COS, dst, dst_flags, args[0]);
break;
case OPCODE_EX2:
- emit_ex2(c, inst);
+ emit_math1(c, BRW_MATH_FUNCTION_EXP, dst, dst_flags, args[0]);
break;
case OPCODE_LG2:
- emit_lg2(c, inst);
+ emit_math1(c, BRW_MATH_FUNCTION_LOG, dst, dst_flags, args[0]);
break;
case OPCODE_MIN:
+ unalias2(c, emit_min, dst, dst_flags, args[0], args[1]);
+ break;
case OPCODE_MAX:
- emit_min_max(c, inst);
+ unalias2(c, emit_max, dst, dst_flags, args[0], args[1]);
break;
case OPCODE_DDX:
case OPCODE_DDY:
emit_alu2(p, brw_MUL, dst, dst_flags, args[0], args[1]);
break;
case OPCODE_POW:
- emit_pow(c, inst);
+ emit_math2(c, BRW_MATH_FUNCTION_POW,
+ dst, dst_flags, args[0], args[1]);
break;
case OPCODE_MAD:
emit_mad(p, dst, dst_flags, args[0], args[1], args[2]);
emit_noise4(c, inst);
break;
case OPCODE_TEX:
- emit_tex(c, inst);
+ emit_tex(c, dst, dst_flags, args[0],
+ get_reg(c, PROGRAM_PAYLOAD, PAYLOAD_DEPTH,
+ 0, 1, 0, 0),
+ inst->TexSrcTarget,
+ inst->TexSrcUnit,
+ (c->key.shadowtex_mask & (1 << inst->TexSrcUnit)) != 0);
break;
case OPCODE_TXB:
- emit_txb(c, inst);
+ emit_txb(c, dst, dst_flags, args[0],
+ get_reg(c, PROGRAM_PAYLOAD, PAYLOAD_DEPTH,
+ 0, 1, 0, 0),
+ inst->TexSrcTarget,
+ c->fp->program.Base.SamplerUnits[inst->TexSrcUnit]);
break;
case OPCODE_KIL_NV:
emit_kil(c);
if_inst[if_depth++] = brw_IF(p, BRW_EXECUTE_8);
break;
case OPCODE_ELSE:
+ assert(if_depth > 0);
if_inst[if_depth-1] = brw_ELSE(p, if_inst[if_depth-1]);
break;
case OPCODE_ENDIF:
struct brw_instruction *inst0, *inst1;
GLuint br = 1;
- if (BRW_IS_IGDNG(brw))
+ if (intel->is_ironlake)
br = 2;
-
+
+ assert(loop_depth > 0);
loop_depth--;
inst0 = inst1 = brw_WHILE(p, loop_inst[loop_depth]);
/* patch all the BREAK/CONT instructions from last BGNLOOP */
projects / mesa.git / blobdiff