void
fd4_program_emit(struct fd_ringbuffer *ring, struct fd4_emit *emit)
{
struct stage s[MAX_STAGES];
uint32_t pos_regid, posz_regid, psize_regid, color_regid;
uint32_t face_regid, coord_regid, zwcoord_regid;
int constmode;
int i, j, k;
setup_stages(emit, s);
/* blob seems to always use constmode currently: */
constmode = 1;
pos_regid = ir3_find_output_regid(s[VS].v,
ir3_semantic_name(TGSI_SEMANTIC_POSITION, 0));
posz_regid = ir3_find_output_regid(s[FS].v,
ir3_semantic_name(TGSI_SEMANTIC_POSITION, 0));
psize_regid = ir3_find_output_regid(s[VS].v,
ir3_semantic_name(TGSI_SEMANTIC_PSIZE, 0));
color_regid = ir3_find_output_regid(s[FS].v,
ir3_semantic_name(TGSI_SEMANTIC_COLOR, 0));
if (util_format_is_alpha(emit->pformat))
color_regid += 3;
/* TODO get these dynamically: */
face_regid = s[FS].v->frag_face ? regid(0,0) : regid(63,0);
coord_regid = s[FS].v->frag_coord ? regid(0,0) : regid(63,0);
zwcoord_regid = s[FS].v->frag_coord ? regid(0,2) : regid(63,0);
/* we could probably divide this up into things that need to be
* emitted if frag-prog is dirty vs if vert-prog is dirty..
*/
OUT_PKT0(ring, REG_A4XX_HLSQ_UPDATE_CONTROL, 1);
OUT_RING(ring, 0x00000003);
OUT_PKT0(ring, REG_A4XX_HLSQ_CONTROL_0_REG, 5);
OUT_RING(ring, A4XX_HLSQ_CONTROL_0_REG_FSTHREADSIZE(FOUR_QUADS) |
A4XX_HLSQ_CONTROL_0_REG_CONSTMODE(constmode) |
A4XX_HLSQ_CONTROL_0_REG_FSSUPERTHREADENABLE |
/* NOTE: I guess SHADERRESTART and CONSTFULLUPDATE maybe
* flush some caches? I think we only need to set those
* bits if we have updated const or shader..
*/
A4XX_HLSQ_CONTROL_0_REG_SPSHADERRESTART |
A4XX_HLSQ_CONTROL_0_REG_SPCONSTFULLUPDATE);
OUT_RING(ring, A4XX_HLSQ_CONTROL_1_REG_VSTHREADSIZE(TWO_QUADS) |
A4XX_HLSQ_CONTROL_1_REG_VSSUPERTHREADENABLE |
A4XX_HLSQ_CONTROL_1_REG_COORDREGID(coord_regid) |
A4XX_HLSQ_CONTROL_1_REG_ZWCOORDREGID(zwcoord_regid));
OUT_RING(ring, A4XX_HLSQ_CONTROL_2_REG_PRIMALLOCTHRESHOLD(63) |
0x3f3f000 | /* XXX */
A4XX_HLSQ_CONTROL_2_REG_FACEREGID(face_regid));
OUT_RING(ring, A4XX_HLSQ_CONTROL_3_REG_REGID(s[FS].v->pos_regid) |
0xfcfcfc00);
OUT_RING(ring, 0x00fcfcfc); /* XXX HLSQ_CONTROL_4 */
OUT_PKT0(ring, REG_A4XX_HLSQ_VS_CONTROL_REG, 5);
OUT_RING(ring, A4XX_HLSQ_VS_CONTROL_REG_CONSTLENGTH(s[VS].constlen) |
A4XX_HLSQ_VS_CONTROL_REG_CONSTOBJECTOFFSET(s[VS].constoff) |
A4XX_HLSQ_VS_CONTROL_REG_INSTRLENGTH(s[VS].instrlen) |
A4XX_HLSQ_VS_CONTROL_REG_SHADEROBJOFFSET(s[VS].instroff));
OUT_RING(ring, A4XX_HLSQ_FS_CONTROL_REG_CONSTLENGTH(s[FS].constlen) |
A4XX_HLSQ_FS_CONTROL_REG_CONSTOBJECTOFFSET(s[FS].constoff) |
A4XX_HLSQ_FS_CONTROL_REG_INSTRLENGTH(s[FS].instrlen) |
A4XX_HLSQ_FS_CONTROL_REG_SHADEROBJOFFSET(s[FS].instroff));
OUT_RING(ring, A4XX_HLSQ_HS_CONTROL_REG_CONSTLENGTH(s[HS].constlen) |
A4XX_HLSQ_HS_CONTROL_REG_CONSTOBJECTOFFSET(s[HS].constoff) |
A4XX_HLSQ_HS_CONTROL_REG_INSTRLENGTH(s[HS].instrlen) |
A4XX_HLSQ_HS_CONTROL_REG_SHADEROBJOFFSET(s[HS].instroff));
OUT_RING(ring, A4XX_HLSQ_DS_CONTROL_REG_CONSTLENGTH(s[DS].constlen) |
A4XX_HLSQ_DS_CONTROL_REG_CONSTOBJECTOFFSET(s[DS].constoff) |
A4XX_HLSQ_DS_CONTROL_REG_INSTRLENGTH(s[DS].instrlen) |
A4XX_HLSQ_DS_CONTROL_REG_SHADEROBJOFFSET(s[DS].instroff));
OUT_RING(ring, A4XX_HLSQ_GS_CONTROL_REG_CONSTLENGTH(s[GS].constlen) |
A4XX_HLSQ_GS_CONTROL_REG_CONSTOBJECTOFFSET(s[GS].constoff) |
A4XX_HLSQ_GS_CONTROL_REG_INSTRLENGTH(s[GS].instrlen) |
A4XX_HLSQ_GS_CONTROL_REG_SHADEROBJOFFSET(s[GS].instroff));
OUT_PKT0(ring, REG_A4XX_SP_SP_CTRL_REG, 1);
OUT_RING(ring, 0x140010 | /* XXX */
COND(emit->key.binning_pass, A4XX_SP_SP_CTRL_REG_BINNING_PASS));
OUT_PKT0(ring, REG_A4XX_SP_INSTR_CACHE_CTRL, 1);
OUT_RING(ring, 0x7f | /* XXX */
COND(s[VS].instrlen, A4XX_SP_INSTR_CACHE_CTRL_VS_BUFFER) |
COND(s[FS].instrlen, A4XX_SP_INSTR_CACHE_CTRL_FS_BUFFER) |
COND(s[VS].instrlen && s[FS].instrlen,
A4XX_SP_INSTR_CACHE_CTRL_INSTR_BUFFER));
OUT_PKT0(ring, REG_A4XX_SP_VS_LENGTH_REG, 1);
OUT_RING(ring, s[VS].v->instrlen); /* SP_VS_LENGTH_REG */
OUT_PKT0(ring, REG_A4XX_SP_VS_CTRL_REG0, 3);
OUT_RING(ring, A4XX_SP_VS_CTRL_REG0_THREADMODE(MULTI) |
A4XX_SP_VS_CTRL_REG0_HALFREGFOOTPRINT(s[VS].i->max_half_reg + 1) |
A4XX_SP_VS_CTRL_REG0_FULLREGFOOTPRINT(s[VS].i->max_reg + 1) |
A4XX_SP_VS_CTRL_REG0_INOUTREGOVERLAP(0) |
A4XX_SP_VS_CTRL_REG0_THREADSIZE(TWO_QUADS) |
A4XX_SP_VS_CTRL_REG0_SUPERTHREADMODE |
COND(s[VS].v->has_samp, A4XX_SP_VS_CTRL_REG0_PIXLODENABLE));
OUT_RING(ring, A4XX_SP_VS_CTRL_REG1_CONSTLENGTH(s[VS].constlen) |
A4XX_SP_VS_CTRL_REG1_INITIALOUTSTANDING(s[VS].v->total_in));
OUT_RING(ring, A4XX_SP_VS_PARAM_REG_POSREGID(pos_regid) |
A4XX_SP_VS_PARAM_REG_PSIZEREGID(psize_regid) |
A4XX_SP_VS_PARAM_REG_TOTALVSOUTVAR(align(s[FS].v->total_in, 4) / 4));
for (i = 0, j = -1; (i < 16) && (j < (int)s[FS].v->inputs_count); i++) {
uint32_t reg = 0;
OUT_PKT0(ring, REG_A4XX_SP_VS_OUT_REG(i), 1);
j = ir3_next_varying(s[FS].v, j);
if (j < s[FS].v->inputs_count) {
k = ir3_find_output(s[VS].v, s[FS].v->inputs[j].semantic);
reg |= A4XX_SP_VS_OUT_REG_A_REGID(s[VS].v->outputs[k].regid);
reg |= A4XX_SP_VS_OUT_REG_A_COMPMASK(s[FS].v->inputs[j].compmask);
}
j = ir3_next_varying(s[FS].v, j);
if (j < s[FS].v->inputs_count) {
k = ir3_find_output(s[VS].v, s[FS].v->inputs[j].semantic);
reg |= A4XX_SP_VS_OUT_REG_B_REGID(s[VS].v->outputs[k].regid);
reg |= A4XX_SP_VS_OUT_REG_B_COMPMASK(s[FS].v->inputs[j].compmask);
}
OUT_RING(ring, reg);
}
for (i = 0, j = -1; (i < 8) && (j < (int)s[FS].v->inputs_count); i++) {
uint32_t reg = 0;
OUT_PKT0(ring, REG_A4XX_SP_VS_VPC_DST_REG(i), 1);
j = ir3_next_varying(s[FS].v, j);
if (j < s[FS].v->inputs_count)
reg |= A4XX_SP_VS_VPC_DST_REG_OUTLOC0(s[FS].v->inputs[j].inloc);
j = ir3_next_varying(s[FS].v, j);
if (j < s[FS].v->inputs_count)
reg |= A4XX_SP_VS_VPC_DST_REG_OUTLOC1(s[FS].v->inputs[j].inloc);
j = ir3_next_varying(s[FS].v, j);
if (j < s[FS].v->inputs_count)
reg |= A4XX_SP_VS_VPC_DST_REG_OUTLOC2(s[FS].v->inputs[j].inloc);
j = ir3_next_varying(s[FS].v, j);
if (j < s[FS].v->inputs_count)
reg |= A4XX_SP_VS_VPC_DST_REG_OUTLOC3(s[FS].v->inputs[j].inloc);
OUT_RING(ring, reg);
}
OUT_PKT0(ring, REG_A4XX_SP_VS_OBJ_OFFSET_REG, 2);
OUT_RING(ring, A4XX_SP_VS_OBJ_OFFSET_REG_CONSTOBJECTOFFSET(s[VS].constoff) |
A4XX_SP_VS_OBJ_OFFSET_REG_SHADEROBJOFFSET(s[VS].instroff));
OUT_RELOC(ring, s[VS].v->bo, 0, 0, 0); /* SP_VS_OBJ_START_REG */
OUT_PKT0(ring, REG_A4XX_SP_FS_LENGTH_REG, 1);
OUT_RING(ring, s[FS].v->instrlen); /* SP_FS_LENGTH_REG */
OUT_PKT0(ring, REG_A4XX_SP_FS_CTRL_REG0, 2);
OUT_RING(ring, A4XX_SP_FS_CTRL_REG0_THREADMODE(MULTI) |
COND(s[FS].v->total_in > 0, A4XX_SP_FS_CTRL_REG0_VARYING) |
A4XX_SP_FS_CTRL_REG0_HALFREGFOOTPRINT(s[FS].i->max_half_reg + 1) |
A4XX_SP_FS_CTRL_REG0_FULLREGFOOTPRINT(s[FS].i->max_reg + 1) |
A4XX_SP_FS_CTRL_REG0_INOUTREGOVERLAP(1) |
A4XX_SP_FS_CTRL_REG0_THREADSIZE(FOUR_QUADS) |
A4XX_SP_FS_CTRL_REG0_SUPERTHREADMODE |
COND(s[FS].v->has_samp, A4XX_SP_FS_CTRL_REG0_PIXLODENABLE));
OUT_RING(ring, A4XX_SP_FS_CTRL_REG1_CONSTLENGTH(s[FS].constlen) |
0x80000000 | /* XXX */
COND(s[FS].v->frag_face, A4XX_SP_FS_CTRL_REG1_FACENESS) |
COND(s[FS].v->total_in > 0, A4XX_SP_FS_CTRL_REG1_VARYING) |
COND(s[FS].v->frag_coord, A4XX_SP_FS_CTRL_REG1_FRAGCOORD));
OUT_PKT0(ring, REG_A4XX_SP_FS_OBJ_OFFSET_REG, 2);
OUT_RING(ring, A4XX_SP_FS_OBJ_OFFSET_REG_CONSTOBJECTOFFSET(s[FS].constoff) |
A4XX_SP_FS_OBJ_OFFSET_REG_SHADEROBJOFFSET(s[FS].instroff));
if (emit->key.binning_pass)
OUT_RING(ring, 0x00000000);
else
OUT_RELOC(ring, s[FS].v->bo, 0, 0, 0); /* SP_FS_OBJ_START_REG */
OUT_PKT0(ring, REG_A4XX_SP_HS_OBJ_OFFSET_REG, 1);
OUT_RING(ring, A4XX_SP_HS_OBJ_OFFSET_REG_CONSTOBJECTOFFSET(s[HS].constoff) |
A4XX_SP_HS_OBJ_OFFSET_REG_SHADEROBJOFFSET(s[HS].instroff));
OUT_PKT0(ring, REG_A4XX_SP_DS_OBJ_OFFSET_REG, 1);
OUT_RING(ring, A4XX_SP_DS_OBJ_OFFSET_REG_CONSTOBJECTOFFSET(s[DS].constoff) |
A4XX_SP_DS_OBJ_OFFSET_REG_SHADEROBJOFFSET(s[DS].instroff));
OUT_PKT0(ring, REG_A4XX_SP_GS_OBJ_OFFSET_REG, 1);
OUT_RING(ring, A4XX_SP_GS_OBJ_OFFSET_REG_CONSTOBJECTOFFSET(s[GS].constoff) |
A4XX_SP_GS_OBJ_OFFSET_REG_SHADEROBJOFFSET(s[GS].instroff));
OUT_PKT0(ring, REG_A4XX_RB_RENDER_CONTROL2, 1);
OUT_RING(ring, A4XX_RB_RENDER_CONTROL2_MSAA_SAMPLES(0) |
COND(s[FS].v->total_in > 0, A4XX_RB_RENDER_CONTROL2_VARYING) |
COND(s[FS].v->frag_face, A4XX_RB_RENDER_CONTROL2_FACENESS) |
COND(s[FS].v->frag_coord, A4XX_RB_RENDER_CONTROL2_XCOORD |
A4XX_RB_RENDER_CONTROL2_YCOORD |
// TODO enabling gl_FragCoord.z is causing lockups on 0ad (but seems
// to work everywhere else).
// A4XX_RB_RENDER_CONTROL2_ZCOORD |
A4XX_RB_RENDER_CONTROL2_WCOORD));
OUT_PKT0(ring, REG_A4XX_RB_FS_OUTPUT_REG, 1);
OUT_RING(ring, A4XX_RB_FS_OUTPUT_REG_MRT(1) |
COND(s[FS].v->writes_pos, A4XX_RB_FS_OUTPUT_REG_FRAG_WRITES_Z));
OUT_PKT0(ring, REG_A4XX_SP_FS_OUTPUT_REG, 1);
if (s[FS].v->writes_pos) {
OUT_RING(ring, 0x00000001 |
A4XX_SP_FS_OUTPUT_REG_DEPTH_ENABLE |
A4XX_SP_FS_OUTPUT_REG_DEPTH_REGID(posz_regid));
} else {
OUT_RING(ring, 0x00000001);
}
OUT_PKT0(ring, REG_A4XX_SP_FS_MRT_REG(0), 8);
OUT_RING(ring, A4XX_SP_FS_MRT_REG_REGID(color_regid) |
A4XX_SP_FS_MRT_REG_MRTFORMAT(emit->format) |
COND(emit->key.half_precision, A4XX_SP_FS_MRT_REG_HALF_PRECISION));
OUT_RING(ring, A4XX_SP_FS_MRT_REG_REGID(0));
OUT_RING(ring, A4XX_SP_FS_MRT_REG_REGID(0));
OUT_RING(ring, A4XX_SP_FS_MRT_REG_REGID(0));
OUT_RING(ring, A4XX_SP_FS_MRT_REG_REGID(0));
OUT_RING(ring, A4XX_SP_FS_MRT_REG_REGID(0));
OUT_RING(ring, A4XX_SP_FS_MRT_REG_REGID(0));
OUT_RING(ring, A4XX_SP_FS_MRT_REG_REGID(0));
if (emit->key.binning_pass) {
OUT_PKT0(ring, REG_A4XX_VPC_ATTR, 2);
OUT_RING(ring, A4XX_VPC_ATTR_THRDASSIGN(1) |
0x40000000 | /* XXX */
COND(s[VS].v->writes_psize, A4XX_VPC_ATTR_PSIZE));
OUT_RING(ring, 0x00000000);
} else {
uint32_t vinterp[8], flatshade[2];
memset(vinterp, 0, sizeof(vinterp));
memset(flatshade, 0, sizeof(flatshade));
/* looks like we need to do int varyings in the frag
* shader on a4xx (no flatshad reg? or a420.0 bug?):
*
* (sy)(ss)nop
* (sy)ldlv.u32 r0.x,l[r0.x], 1
* ldlv.u32 r0.y,l[r0.x+1], 1
* (ss)bary.f (ei)r63.x, 0, r0.x
* (ss)(rpt1)cov.s32f16 hr0.x, (r)r0.x
* (rpt5)nop
* sam (f16)(xyzw)hr0.x, hr0.x, s#0, t#0
*
* Possibly on later a4xx variants we'll be able to use
* something like the code below instead of workaround
* in the shader:
*/
#if 0
/* figure out VARYING_INTERP / FLAT_SHAD register values: */
for (j = -1; (j = ir3_next_varying(s[FS].v, j)) < (int)s[FS].v->inputs_count; ) {
uint32_t interp = s[FS].v->inputs[j].interpolate;
if ((interp == TGSI_INTERPOLATE_CONSTANT) ||
((interp == TGSI_INTERPOLATE_COLOR) && emit->rasterflat)) {
/* TODO might be cleaner to just +8 in SP_VS_VPC_DST_REG
* instead.. rather than -8 everywhere else..
*/
uint32_t loc = s[FS].v->inputs[j].inloc - 8;
/* currently assuming varyings aligned to 4 (not
* packed):
*/
debug_assert((loc % 4) == 0);
for (i = 0; i < 4; i++, loc++) {
vinterp[loc / 16] |= 1 << ((loc % 16) * 2);
flatshade[loc / 32] |= 1 << (loc % 32);
}
}
}
#endif
OUT_PKT0(ring, REG_A4XX_VPC_ATTR, 2);
OUT_RING(ring, A4XX_VPC_ATTR_TOTALATTR(s[FS].v->total_in) |
A4XX_VPC_ATTR_THRDASSIGN(1) |
COND(s[FS].v->total_in > 0, A4XX_VPC_ATTR_ENABLE) |
0x40000000 | /* XXX */
COND(s[VS].v->writes_psize, A4XX_VPC_ATTR_PSIZE));
OUT_RING(ring, A4XX_VPC_PACK_NUMFPNONPOSVAR(s[FS].v->total_in) |
A4XX_VPC_PACK_NUMNONPOSVSVAR(s[FS].v->total_in));
OUT_PKT0(ring, REG_A4XX_VPC_VARYING_INTERP_MODE(0), 8);
for (i = 0; i < 8; i++)
OUT_RING(ring, vinterp[i]); /* VPC_VARYING_INTERP[i].MODE */
OUT_PKT0(ring, REG_A4XX_VPC_VARYING_PS_REPL_MODE(0), 8);
for (i = 0; i < 8; i++)
OUT_RING(ring, s[FS].v->shader->vpsrepl[i]); /* VPC_VARYING_PS_REPL[i] */
}
if (s[VS].instrlen)
emit_shader(ring, s[VS].v);
if (!emit->key.binning_pass)
if (s[FS].instrlen)
emit_shader(ring, s[FS].v);
}
void
fd3_program_emit(struct fd_ringbuffer *ring, struct fd3_emit *emit,
int nr, struct pipe_surface **bufs)
{
const struct ir3_shader_variant *vp, *fp;
const struct ir3_info *vsi, *fsi;
enum a3xx_instrbuffermode fpbuffer, vpbuffer;
uint32_t fpbuffersz, vpbuffersz, fsoff;
uint32_t pos_regid, posz_regid, psize_regid, color_regid[4] = {0};
int constmode;
int i, j, k;
debug_assert(nr <= ARRAY_SIZE(color_regid));
vp = fd3_emit_get_vp(emit);
fp = fd3_emit_get_fp(emit);
vsi = &vp->info;
fsi = &fp->info;
fpbuffer = BUFFER;
vpbuffer = BUFFER;
fpbuffersz = fp->instrlen;
vpbuffersz = vp->instrlen;
/*
* Decide whether to use BUFFER or CACHE mode for VS and FS. It
* appears like 256 is the hard limit, but when the combined size
* exceeds 128 then blob will try to keep FS in BUFFER mode and
* switch to CACHE for VS until VS is too large. The blob seems
* to switch FS out of BUFFER mode at slightly under 128. But
* a bit fuzzy on the decision tree, so use slightly conservative
* limits.
*
* TODO check if these thresholds for BUFFER vs CACHE mode are the
* same for all a3xx or whether we need to consider the gpuid
*/
if ((fpbuffersz + vpbuffersz) > 128) {
if (fpbuffersz < 112) {
/* FP:BUFFER VP:CACHE */
vpbuffer = CACHE;
vpbuffersz = 256 - fpbuffersz;
} else if (vpbuffersz < 112) {
/* FP:CACHE VP:BUFFER */
fpbuffer = CACHE;
fpbuffersz = 256 - vpbuffersz;
} else {
/* FP:CACHE VP:CACHE */
vpbuffer = fpbuffer = CACHE;
vpbuffersz = fpbuffersz = 192;
}
}
if (fpbuffer == BUFFER) {
fsoff = 128 - fpbuffersz;
} else {
fsoff = 256 - fpbuffersz;
}
/* seems like vs->constlen + fs->constlen > 256, then CONSTMODE=1 */
constmode = ((vp->constlen + fp->constlen) > 256) ? 1 : 0;
pos_regid = ir3_find_output_regid(vp, VARYING_SLOT_POS);
posz_regid = ir3_find_output_regid(fp, FRAG_RESULT_DEPTH);
psize_regid = ir3_find_output_regid(vp, VARYING_SLOT_PSIZ);
if (fp->color0_mrt) {
color_regid[0] = color_regid[1] = color_regid[2] = color_regid[3] =
ir3_find_output_regid(fp, FRAG_RESULT_COLOR);
} else {
color_regid[0] = ir3_find_output_regid(fp, FRAG_RESULT_DATA0);
color_regid[1] = ir3_find_output_regid(fp, FRAG_RESULT_DATA1);
color_regid[2] = ir3_find_output_regid(fp, FRAG_RESULT_DATA2);
color_regid[3] = ir3_find_output_regid(fp, FRAG_RESULT_DATA3);
}
/* adjust regids for alpha output formats. there is no alpha render
* format, so it's just treated like red
*/
for (i = 0; i < nr; i++)
if (util_format_is_alpha(pipe_surface_format(bufs[i])))
color_regid[i] += 3;
/* we could probably divide this up into things that need to be
* emitted if frag-prog is dirty vs if vert-prog is dirty..
*/
OUT_PKT0(ring, REG_A3XX_HLSQ_CONTROL_0_REG, 6);
OUT_RING(ring, A3XX_HLSQ_CONTROL_0_REG_FSTHREADSIZE(FOUR_QUADS) |
A3XX_HLSQ_CONTROL_0_REG_CONSTMODE(constmode) |
/* NOTE: I guess SHADERRESTART and CONSTFULLUPDATE maybe
* flush some caches? I think we only need to set those
* bits if we have updated const or shader..
*/
A3XX_HLSQ_CONTROL_0_REG_SPSHADERRESTART |
A3XX_HLSQ_CONTROL_0_REG_SPCONSTFULLUPDATE);
OUT_RING(ring, A3XX_HLSQ_CONTROL_1_REG_VSTHREADSIZE(TWO_QUADS) |
A3XX_HLSQ_CONTROL_1_REG_VSSUPERTHREADENABLE |
COND(fp->frag_coord, A3XX_HLSQ_CONTROL_1_REG_FRAGCOORDXYREGID(regid(0,0)) |
A3XX_HLSQ_CONTROL_1_REG_FRAGCOORDZWREGID(regid(0,2))));
OUT_RING(ring, A3XX_HLSQ_CONTROL_2_REG_PRIMALLOCTHRESHOLD(31));
OUT_RING(ring, A3XX_HLSQ_CONTROL_3_REG_REGID(fp->pos_regid));
OUT_RING(ring, A3XX_HLSQ_VS_CONTROL_REG_CONSTLENGTH(vp->constlen) |
A3XX_HLSQ_VS_CONTROL_REG_CONSTSTARTOFFSET(0) |
A3XX_HLSQ_VS_CONTROL_REG_INSTRLENGTH(vpbuffersz));
OUT_RING(ring, A3XX_HLSQ_FS_CONTROL_REG_CONSTLENGTH(fp->constlen) |
A3XX_HLSQ_FS_CONTROL_REG_CONSTSTARTOFFSET(128) |
A3XX_HLSQ_FS_CONTROL_REG_INSTRLENGTH(fpbuffersz));
OUT_PKT0(ring, REG_A3XX_SP_SP_CTRL_REG, 1);
OUT_RING(ring, A3XX_SP_SP_CTRL_REG_CONSTMODE(constmode) |
COND(emit->key.binning_pass, A3XX_SP_SP_CTRL_REG_BINNING) |
A3XX_SP_SP_CTRL_REG_SLEEPMODE(1) |
A3XX_SP_SP_CTRL_REG_L0MODE(0));
OUT_PKT0(ring, REG_A3XX_SP_VS_LENGTH_REG, 1);
OUT_RING(ring, A3XX_SP_VS_LENGTH_REG_SHADERLENGTH(vp->instrlen));
OUT_PKT0(ring, REG_A3XX_SP_VS_CTRL_REG0, 3);
OUT_RING(ring, A3XX_SP_VS_CTRL_REG0_THREADMODE(MULTI) |
A3XX_SP_VS_CTRL_REG0_INSTRBUFFERMODE(vpbuffer) |
COND(vpbuffer == CACHE, A3XX_SP_VS_CTRL_REG0_CACHEINVALID) |
A3XX_SP_VS_CTRL_REG0_HALFREGFOOTPRINT(vsi->max_half_reg + 1) |
A3XX_SP_VS_CTRL_REG0_FULLREGFOOTPRINT(vsi->max_reg + 1) |
A3XX_SP_VS_CTRL_REG0_THREADSIZE(TWO_QUADS) |
A3XX_SP_VS_CTRL_REG0_SUPERTHREADMODE |
A3XX_SP_VS_CTRL_REG0_LENGTH(vpbuffersz));
OUT_RING(ring, A3XX_SP_VS_CTRL_REG1_CONSTLENGTH(vp->constlen) |
A3XX_SP_VS_CTRL_REG1_INITIALOUTSTANDING(vp->total_in) |
A3XX_SP_VS_CTRL_REG1_CONSTFOOTPRINT(MAX2(vp->constlen + 1, 0)));
OUT_RING(ring, A3XX_SP_VS_PARAM_REG_POSREGID(pos_regid) |
A3XX_SP_VS_PARAM_REG_PSIZEREGID(psize_regid) |
A3XX_SP_VS_PARAM_REG_TOTALVSOUTVAR(fp->varying_in));
for (i = 0, j = -1; (i < 8) && (j < (int)fp->inputs_count); i++) {
uint32_t reg = 0;
OUT_PKT0(ring, REG_A3XX_SP_VS_OUT_REG(i), 1);
j = ir3_next_varying(fp, j);
if (j < fp->inputs_count) {
k = ir3_find_output(vp, fp->inputs[j].slot);
reg |= A3XX_SP_VS_OUT_REG_A_REGID(vp->outputs[k].regid);
reg |= A3XX_SP_VS_OUT_REG_A_COMPMASK(fp->inputs[j].compmask);
}
j = ir3_next_varying(fp, j);
if (j < fp->inputs_count) {
k = ir3_find_output(vp, fp->inputs[j].slot);
reg |= A3XX_SP_VS_OUT_REG_B_REGID(vp->outputs[k].regid);
reg |= A3XX_SP_VS_OUT_REG_B_COMPMASK(fp->inputs[j].compmask);
}
OUT_RING(ring, reg);
}
for (i = 0, j = -1; (i < 4) && (j < (int)fp->inputs_count); i++) {
uint32_t reg = 0;
OUT_PKT0(ring, REG_A3XX_SP_VS_VPC_DST_REG(i), 1);
j = ir3_next_varying(fp, j);
if (j < fp->inputs_count)
reg |= A3XX_SP_VS_VPC_DST_REG_OUTLOC0(fp->inputs[j].inloc);
j = ir3_next_varying(fp, j);
if (j < fp->inputs_count)
reg |= A3XX_SP_VS_VPC_DST_REG_OUTLOC1(fp->inputs[j].inloc);
j = ir3_next_varying(fp, j);
if (j < fp->inputs_count)
reg |= A3XX_SP_VS_VPC_DST_REG_OUTLOC2(fp->inputs[j].inloc);
j = ir3_next_varying(fp, j);
if (j < fp->inputs_count)
reg |= A3XX_SP_VS_VPC_DST_REG_OUTLOC3(fp->inputs[j].inloc);
OUT_RING(ring, reg);
}
OUT_PKT0(ring, REG_A3XX_SP_VS_OBJ_OFFSET_REG, 2);
OUT_RING(ring, A3XX_SP_VS_OBJ_OFFSET_REG_CONSTOBJECTOFFSET(0) |
A3XX_SP_VS_OBJ_OFFSET_REG_SHADEROBJOFFSET(0));
OUT_RELOC(ring, vp->bo, 0, 0, 0); /* SP_VS_OBJ_START_REG */
if (emit->key.binning_pass) {
OUT_PKT0(ring, REG_A3XX_SP_FS_LENGTH_REG, 1);
OUT_RING(ring, 0x00000000);
OUT_PKT0(ring, REG_A3XX_SP_FS_CTRL_REG0, 2);
OUT_RING(ring, A3XX_SP_FS_CTRL_REG0_THREADMODE(MULTI) |
A3XX_SP_FS_CTRL_REG0_INSTRBUFFERMODE(BUFFER));
OUT_RING(ring, 0x00000000);
OUT_PKT0(ring, REG_A3XX_SP_FS_OBJ_OFFSET_REG, 1);
OUT_RING(ring, A3XX_SP_FS_OBJ_OFFSET_REG_CONSTOBJECTOFFSET(128) |
A3XX_SP_FS_OBJ_OFFSET_REG_SHADEROBJOFFSET(0));
} else {
OUT_PKT0(ring, REG_A3XX_SP_FS_LENGTH_REG, 1);
OUT_RING(ring, A3XX_SP_FS_LENGTH_REG_SHADERLENGTH(fp->instrlen));
OUT_PKT0(ring, REG_A3XX_SP_FS_CTRL_REG0, 2);
OUT_RING(ring, A3XX_SP_FS_CTRL_REG0_THREADMODE(MULTI) |
A3XX_SP_FS_CTRL_REG0_INSTRBUFFERMODE(fpbuffer) |
COND(fpbuffer == CACHE, A3XX_SP_FS_CTRL_REG0_CACHEINVALID) |
A3XX_SP_FS_CTRL_REG0_HALFREGFOOTPRINT(fsi->max_half_reg + 1) |
A3XX_SP_FS_CTRL_REG0_FULLREGFOOTPRINT(fsi->max_reg + 1) |
A3XX_SP_FS_CTRL_REG0_INOUTREGOVERLAP |
A3XX_SP_FS_CTRL_REG0_THREADSIZE(FOUR_QUADS) |
A3XX_SP_FS_CTRL_REG0_SUPERTHREADMODE |
COND(fp->has_samp > 0, A3XX_SP_FS_CTRL_REG0_PIXLODENABLE) |
A3XX_SP_FS_CTRL_REG0_LENGTH(fpbuffersz));
OUT_RING(ring, A3XX_SP_FS_CTRL_REG1_CONSTLENGTH(fp->constlen) |
A3XX_SP_FS_CTRL_REG1_INITIALOUTSTANDING(fp->total_in) |
A3XX_SP_FS_CTRL_REG1_CONSTFOOTPRINT(MAX2(fp->constlen + 1, 0)) |
A3XX_SP_FS_CTRL_REG1_HALFPRECVAROFFSET(63));
OUT_PKT0(ring, REG_A3XX_SP_FS_OBJ_OFFSET_REG, 2);
OUT_RING(ring, A3XX_SP_FS_OBJ_OFFSET_REG_CONSTOBJECTOFFSET(
MAX2(128, vp->constlen)) |
A3XX_SP_FS_OBJ_OFFSET_REG_SHADEROBJOFFSET(fsoff));
OUT_RELOC(ring, fp->bo, 0, 0, 0); /* SP_FS_OBJ_START_REG */
}
OUT_PKT0(ring, REG_A3XX_SP_FS_OUTPUT_REG, 1);
OUT_RING(ring,
COND(fp->writes_pos, A3XX_SP_FS_OUTPUT_REG_DEPTH_ENABLE) |
A3XX_SP_FS_OUTPUT_REG_DEPTH_REGID(posz_regid) |
A3XX_SP_FS_OUTPUT_REG_MRT(MAX2(1, nr) - 1));
OUT_PKT0(ring, REG_A3XX_SP_FS_MRT_REG(0), 4);
for (i = 0; i < 4; i++) {
uint32_t mrt_reg = A3XX_SP_FS_MRT_REG_REGID(color_regid[i]) |
COND(fp->key.half_precision, A3XX_SP_FS_MRT_REG_HALF_PRECISION);
if (i < nr) {
enum pipe_format fmt = pipe_surface_format(bufs[i]);
mrt_reg |= COND(util_format_is_pure_uint(fmt), A3XX_SP_FS_MRT_REG_UINT) |
COND(util_format_is_pure_sint(fmt), A3XX_SP_FS_MRT_REG_SINT);
}
OUT_RING(ring, mrt_reg);
}
if (emit->key.binning_pass) {
OUT_PKT0(ring, REG_A3XX_VPC_ATTR, 2);
OUT_RING(ring, A3XX_VPC_ATTR_THRDASSIGN(1) |
A3XX_VPC_ATTR_LMSIZE(1) |
COND(vp->writes_psize, A3XX_VPC_ATTR_PSIZE));
OUT_RING(ring, 0x00000000);
} else {
uint32_t vinterp[4], flatshade[2], vpsrepl[4];
memset(vinterp, 0, sizeof(vinterp));
memset(flatshade, 0, sizeof(flatshade));
memset(vpsrepl, 0, sizeof(vpsrepl));
/* figure out VARYING_INTERP / FLAT_SHAD register values: */
for (j = -1; (j = ir3_next_varying(fp, j)) < (int)fp->inputs_count; ) {
/* NOTE: varyings are packed, so if compmask is 0xb
* then first, third, and fourth component occupy
* three consecutive varying slots:
*/
unsigned compmask = fp->inputs[j].compmask;
/* TODO might be cleaner to just +8 in SP_VS_VPC_DST_REG
* instead.. rather than -8 everywhere else..
*/
uint32_t inloc = fp->inputs[j].inloc - 8;
if ((fp->inputs[j].interpolate == INTERP_QUALIFIER_FLAT) ||
(fp->inputs[j].rasterflat && emit->rasterflat)) {
uint32_t loc = inloc;
for (i = 0; i < 4; i++) {
if (compmask & (1 << i)) {
vinterp[loc / 16] |= FLAT << ((loc % 16) * 2);
flatshade[loc / 32] |= 1 << (loc % 32);
loc++;
}
}
}
gl_varying_slot slot = fp->inputs[j].slot;
/* since we don't enable PIPE_CAP_TGSI_TEXCOORD: */
if (slot >= VARYING_SLOT_VAR0) {
unsigned texmask = 1 << (slot - VARYING_SLOT_VAR0);
/* Replace the .xy coordinates with S/T from the point sprite. Set
* interpolation bits for .zw such that they become .01
*/
if (emit->sprite_coord_enable & texmask) {
/* mask is two 2-bit fields, where:
* '01' -> S
* '10' -> T
* '11' -> 1 - T (flip mode)
*/
unsigned mask = emit->sprite_coord_mode ? 0b1101 : 0b1001;
uint32_t loc = inloc;
if (compmask & 0x1) {
vpsrepl[loc / 16] |= ((mask >> 0) & 0x3) << ((loc % 16) * 2);
loc++;
}
if (compmask & 0x2) {
vpsrepl[loc / 16] |= ((mask >> 2) & 0x3) << ((loc % 16) * 2);
loc++;
}
if (compmask & 0x4) {
/* .z <- 0.0f */
vinterp[loc / 16] |= 0b10 << ((loc % 16) * 2);
loc++;
}
if (compmask & 0x8) {
/* .w <- 1.0f */
vinterp[loc / 16] |= 0b11 << ((loc % 16) * 2);
loc++;
}
}
void
fd3_program_emit(struct fd_ringbuffer *ring, struct fd3_emit *emit,
int nr, struct pipe_surface **bufs)
{
const struct ir3_shader_variant *vp, *fp;
const struct ir3_info *vsi, *fsi;
enum a3xx_instrbuffermode fpbuffer, vpbuffer;
uint32_t fpbuffersz, vpbuffersz, fsoff;
uint32_t pos_regid, posz_regid, psize_regid, color_regid[4] = {0};
int constmode;
int i, j, k;
debug_assert(nr <= ARRAY_SIZE(color_regid));
vp = fd3_emit_get_vp(emit);
if (emit->key.binning_pass) {
/* use dummy stateobj to simplify binning vs non-binning: */
static const struct ir3_shader_variant binning_fp = {};
fp = &binning_fp;
} else {
fp = fd3_emit_get_fp(emit);
}
vsi = &vp->info;
fsi = &fp->info;
fpbuffer = BUFFER;
vpbuffer = BUFFER;
fpbuffersz = fp->instrlen;
vpbuffersz = vp->instrlen;
/*
* Decide whether to use BUFFER or CACHE mode for VS and FS. It
* appears like 256 is the hard limit, but when the combined size
* exceeds 128 then blob will try to keep FS in BUFFER mode and
* switch to CACHE for VS until VS is too large. The blob seems
* to switch FS out of BUFFER mode at slightly under 128. But
* a bit fuzzy on the decision tree, so use slightly conservative
* limits.
*
* TODO check if these thresholds for BUFFER vs CACHE mode are the
* same for all a3xx or whether we need to consider the gpuid
*/
if ((fpbuffersz + vpbuffersz) > 128) {
if (fpbuffersz < 112) {
/* FP:BUFFER VP:CACHE */
vpbuffer = CACHE;
vpbuffersz = 256 - fpbuffersz;
} else if (vpbuffersz < 112) {
/* FP:CACHE VP:BUFFER */
fpbuffer = CACHE;
fpbuffersz = 256 - vpbuffersz;
} else {
/* FP:CACHE VP:CACHE */
vpbuffer = fpbuffer = CACHE;
vpbuffersz = fpbuffersz = 192;
}
}
if (fpbuffer == BUFFER) {
fsoff = 128 - fpbuffersz;
} else {
fsoff = 256 - fpbuffersz;
}
/* seems like vs->constlen + fs->constlen > 256, then CONSTMODE=1 */
constmode = ((vp->constlen + fp->constlen) > 256) ? 1 : 0;
pos_regid = ir3_find_output_regid(vp,
ir3_semantic_name(TGSI_SEMANTIC_POSITION, 0));
posz_regid = ir3_find_output_regid(fp,
ir3_semantic_name(TGSI_SEMANTIC_POSITION, 0));
psize_regid = ir3_find_output_regid(vp,
ir3_semantic_name(TGSI_SEMANTIC_PSIZE, 0));
if (fp->color0_mrt) {
color_regid[0] = color_regid[1] = color_regid[2] = color_regid[3] =
ir3_find_output_regid(fp, ir3_semantic_name(TGSI_SEMANTIC_COLOR, 0));
} else {
for (i = 0; i < fp->outputs_count; i++) {
ir3_semantic sem = fp->outputs[i].semantic;
unsigned idx = sem2idx(sem);
if (sem2name(sem) != TGSI_SEMANTIC_COLOR)
continue;
debug_assert(idx < ARRAY_SIZE(color_regid));
color_regid[idx] = fp->outputs[i].regid;
}
}
/* adjust regids for alpha output formats. there is no alpha render
* format, so it's just treated like red
*/
for (i = 0; i < nr; i++)
if (util_format_is_alpha(pipe_surface_format(bufs[i])))
color_regid[i] += 3;
/* we could probably divide this up into things that need to be
* emitted if frag-prog is dirty vs if vert-prog is dirty..
*/
OUT_PKT0(ring, REG_A3XX_HLSQ_CONTROL_0_REG, 6);
OUT_RING(ring, A3XX_HLSQ_CONTROL_0_REG_FSTHREADSIZE(FOUR_QUADS) |
A3XX_HLSQ_CONTROL_0_REG_CONSTMODE(constmode) |
/* NOTE: I guess SHADERRESTART and CONSTFULLUPDATE maybe
* flush some caches? I think we only need to set those
* bits if we have updated const or shader..
*/
A3XX_HLSQ_CONTROL_0_REG_SPSHADERRESTART |
A3XX_HLSQ_CONTROL_0_REG_SPCONSTFULLUPDATE);
OUT_RING(ring, A3XX_HLSQ_CONTROL_1_REG_VSTHREADSIZE(TWO_QUADS) |
A3XX_HLSQ_CONTROL_1_REG_VSSUPERTHREADENABLE |
COND(fp->frag_coord, A3XX_HLSQ_CONTROL_1_REG_ZWCOORD));
OUT_RING(ring, A3XX_HLSQ_CONTROL_2_REG_PRIMALLOCTHRESHOLD(31));
OUT_RING(ring, A3XX_HLSQ_CONTROL_3_REG_REGID(fp->pos_regid));
OUT_RING(ring, A3XX_HLSQ_VS_CONTROL_REG_CONSTLENGTH(vp->constlen) |
A3XX_HLSQ_VS_CONTROL_REG_CONSTSTARTOFFSET(0) |
A3XX_HLSQ_VS_CONTROL_REG_INSTRLENGTH(vpbuffersz));
OUT_RING(ring, A3XX_HLSQ_FS_CONTROL_REG_CONSTLENGTH(fp->constlen) |
A3XX_HLSQ_FS_CONTROL_REG_CONSTSTARTOFFSET(128) |
A3XX_HLSQ_FS_CONTROL_REG_INSTRLENGTH(fpbuffersz));
OUT_PKT0(ring, REG_A3XX_SP_SP_CTRL_REG, 1);
OUT_RING(ring, A3XX_SP_SP_CTRL_REG_CONSTMODE(constmode) |
COND(emit->key.binning_pass, A3XX_SP_SP_CTRL_REG_BINNING) |
A3XX_SP_SP_CTRL_REG_SLEEPMODE(1) |
A3XX_SP_SP_CTRL_REG_L0MODE(0));
OUT_PKT0(ring, REG_A3XX_SP_VS_LENGTH_REG, 1);
OUT_RING(ring, A3XX_SP_VS_LENGTH_REG_SHADERLENGTH(vp->instrlen));
OUT_PKT0(ring, REG_A3XX_SP_VS_CTRL_REG0, 3);
OUT_RING(ring, A3XX_SP_VS_CTRL_REG0_THREADMODE(MULTI) |
A3XX_SP_VS_CTRL_REG0_INSTRBUFFERMODE(vpbuffer) |
COND(vpbuffer == CACHE, A3XX_SP_VS_CTRL_REG0_CACHEINVALID) |
A3XX_SP_VS_CTRL_REG0_HALFREGFOOTPRINT(vsi->max_half_reg + 1) |
A3XX_SP_VS_CTRL_REG0_FULLREGFOOTPRINT(vsi->max_reg + 1) |
A3XX_SP_VS_CTRL_REG0_INOUTREGOVERLAP(0) |
A3XX_SP_VS_CTRL_REG0_THREADSIZE(TWO_QUADS) |
A3XX_SP_VS_CTRL_REG0_SUPERTHREADMODE |
COND(vp->has_samp, A3XX_SP_VS_CTRL_REG0_PIXLODENABLE) |
A3XX_SP_VS_CTRL_REG0_LENGTH(vpbuffersz));
OUT_RING(ring, A3XX_SP_VS_CTRL_REG1_CONSTLENGTH(vp->constlen) |
A3XX_SP_VS_CTRL_REG1_INITIALOUTSTANDING(vp->total_in) |
A3XX_SP_VS_CTRL_REG1_CONSTFOOTPRINT(MAX2(vp->constlen + 1, 0)));
OUT_RING(ring, A3XX_SP_VS_PARAM_REG_POSREGID(pos_regid) |
A3XX_SP_VS_PARAM_REG_PSIZEREGID(psize_regid) |
A3XX_SP_VS_PARAM_REG_TOTALVSOUTVAR(align(fp->total_in, 4) / 4));
for (i = 0, j = -1; (i < 8) && (j < (int)fp->inputs_count); i++) {
uint32_t reg = 0;
OUT_PKT0(ring, REG_A3XX_SP_VS_OUT_REG(i), 1);
j = ir3_next_varying(fp, j);
if (j < fp->inputs_count) {
k = ir3_find_output(vp, fp->inputs[j].semantic);
reg |= A3XX_SP_VS_OUT_REG_A_REGID(vp->outputs[k].regid);
reg |= A3XX_SP_VS_OUT_REG_A_COMPMASK(fp->inputs[j].compmask);
}
j = ir3_next_varying(fp, j);
if (j < fp->inputs_count) {
k = ir3_find_output(vp, fp->inputs[j].semantic);
reg |= A3XX_SP_VS_OUT_REG_B_REGID(vp->outputs[k].regid);
reg |= A3XX_SP_VS_OUT_REG_B_COMPMASK(fp->inputs[j].compmask);
}
OUT_RING(ring, reg);
}
for (i = 0, j = -1; (i < 4) && (j < (int)fp->inputs_count); i++) {
uint32_t reg = 0;
OUT_PKT0(ring, REG_A3XX_SP_VS_VPC_DST_REG(i), 1);
j = ir3_next_varying(fp, j);
if (j < fp->inputs_count)
reg |= A3XX_SP_VS_VPC_DST_REG_OUTLOC0(fp->inputs[j].inloc);
j = ir3_next_varying(fp, j);
if (j < fp->inputs_count)
reg |= A3XX_SP_VS_VPC_DST_REG_OUTLOC1(fp->inputs[j].inloc);
j = ir3_next_varying(fp, j);
if (j < fp->inputs_count)
reg |= A3XX_SP_VS_VPC_DST_REG_OUTLOC2(fp->inputs[j].inloc);
j = ir3_next_varying(fp, j);
if (j < fp->inputs_count)
reg |= A3XX_SP_VS_VPC_DST_REG_OUTLOC3(fp->inputs[j].inloc);
OUT_RING(ring, reg);
}
OUT_PKT0(ring, REG_A3XX_SP_VS_OBJ_OFFSET_REG, 2);
OUT_RING(ring, A3XX_SP_VS_OBJ_OFFSET_REG_CONSTOBJECTOFFSET(0) |
A3XX_SP_VS_OBJ_OFFSET_REG_SHADEROBJOFFSET(0));
OUT_RELOC(ring, vp->bo, 0, 0, 0); /* SP_VS_OBJ_START_REG */
if (emit->key.binning_pass) {
OUT_PKT0(ring, REG_A3XX_SP_FS_LENGTH_REG, 1);
OUT_RING(ring, 0x00000000);
OUT_PKT0(ring, REG_A3XX_SP_FS_CTRL_REG0, 2);
OUT_RING(ring, A3XX_SP_FS_CTRL_REG0_THREADMODE(MULTI) |
A3XX_SP_FS_CTRL_REG0_INSTRBUFFERMODE(BUFFER));
OUT_RING(ring, 0x00000000);
OUT_PKT0(ring, REG_A3XX_SP_FS_OBJ_OFFSET_REG, 1);
OUT_RING(ring, A3XX_SP_FS_OBJ_OFFSET_REG_CONSTOBJECTOFFSET(128) |
A3XX_SP_FS_OBJ_OFFSET_REG_SHADEROBJOFFSET(0));
} else {
OUT_PKT0(ring, REG_A3XX_SP_FS_LENGTH_REG, 1);
OUT_RING(ring, A3XX_SP_FS_LENGTH_REG_SHADERLENGTH(fp->instrlen));
OUT_PKT0(ring, REG_A3XX_SP_FS_CTRL_REG0, 2);
OUT_RING(ring, A3XX_SP_FS_CTRL_REG0_THREADMODE(MULTI) |
A3XX_SP_FS_CTRL_REG0_INSTRBUFFERMODE(fpbuffer) |
COND(fpbuffer == CACHE, A3XX_SP_FS_CTRL_REG0_CACHEINVALID) |
A3XX_SP_FS_CTRL_REG0_HALFREGFOOTPRINT(fsi->max_half_reg + 1) |
A3XX_SP_FS_CTRL_REG0_FULLREGFOOTPRINT(fsi->max_reg + 1) |
A3XX_SP_FS_CTRL_REG0_INOUTREGOVERLAP(1) |
A3XX_SP_FS_CTRL_REG0_THREADSIZE(FOUR_QUADS) |
A3XX_SP_FS_CTRL_REG0_SUPERTHREADMODE |
COND(fp->has_samp > 0, A3XX_SP_FS_CTRL_REG0_PIXLODENABLE) |
A3XX_SP_FS_CTRL_REG0_LENGTH(fpbuffersz));
OUT_RING(ring, A3XX_SP_FS_CTRL_REG1_CONSTLENGTH(fp->constlen) |
A3XX_SP_FS_CTRL_REG1_INITIALOUTSTANDING(fp->total_in) |
A3XX_SP_FS_CTRL_REG1_CONSTFOOTPRINT(MAX2(fp->constlen + 1, 0)) |
A3XX_SP_FS_CTRL_REG1_HALFPRECVAROFFSET(63));
OUT_PKT0(ring, REG_A3XX_SP_FS_OBJ_OFFSET_REG, 2);
OUT_RING(ring, A3XX_SP_FS_OBJ_OFFSET_REG_CONSTOBJECTOFFSET(
MAX2(128, vp->constlen)) |
A3XX_SP_FS_OBJ_OFFSET_REG_SHADEROBJOFFSET(fsoff));
OUT_RELOC(ring, fp->bo, 0, 0, 0); /* SP_FS_OBJ_START_REG */
}
OUT_PKT0(ring, REG_A3XX_SP_FS_OUTPUT_REG, 1);
OUT_RING(ring,
COND(fp->writes_pos, A3XX_SP_FS_OUTPUT_REG_DEPTH_ENABLE) |
A3XX_SP_FS_OUTPUT_REG_DEPTH_REGID(posz_regid) |
A3XX_SP_FS_OUTPUT_REG_MRT(MAX2(1, nr) - 1));
OUT_PKT0(ring, REG_A3XX_SP_FS_MRT_REG(0), 4);
for (i = 0; i < 4; i++) {
uint32_t mrt_reg = A3XX_SP_FS_MRT_REG_REGID(color_regid[i]) |
COND(fp->key.half_precision, A3XX_SP_FS_MRT_REG_HALF_PRECISION);
if (i < nr) {
enum pipe_format fmt = pipe_surface_format(bufs[i]);
mrt_reg |= COND(util_format_is_pure_uint(fmt), A3XX_SP_FS_MRT_REG_UINT) |
COND(util_format_is_pure_sint(fmt), A3XX_SP_FS_MRT_REG_SINT);
}
OUT_RING(ring, mrt_reg);
}
if (emit->key.binning_pass) {
OUT_PKT0(ring, REG_A3XX_VPC_ATTR, 2);
OUT_RING(ring, A3XX_VPC_ATTR_THRDASSIGN(1) |
A3XX_VPC_ATTR_LMSIZE(1) |
COND(vp->writes_psize, A3XX_VPC_ATTR_PSIZE));
OUT_RING(ring, 0x00000000);
} else {
uint32_t vinterp[4], flatshade[2], vpsrepl[4];
memset(vinterp, 0, sizeof(vinterp));
memset(flatshade, 0, sizeof(flatshade));
memset(vpsrepl, 0, sizeof(vpsrepl));
/* figure out VARYING_INTERP / FLAT_SHAD register values: */
for (j = -1; (j = ir3_next_varying(fp, j)) < (int)fp->inputs_count; ) {
uint32_t interp = fp->inputs[j].interpolate;
/* TODO might be cleaner to just +8 in SP_VS_VPC_DST_REG
* instead.. rather than -8 everywhere else..
*/
uint32_t inloc = fp->inputs[j].inloc - 8;
/* currently assuming varyings aligned to 4 (not
* packed):
*/
debug_assert((inloc % 4) == 0);
if ((interp == TGSI_INTERPOLATE_CONSTANT) ||
((interp == TGSI_INTERPOLATE_COLOR) && emit->rasterflat)) {
uint32_t loc = inloc;
for (i = 0; i < 4; i++, loc++) {
vinterp[loc / 16] |= FLAT << ((loc % 16) * 2);
flatshade[loc / 32] |= 1 << (loc % 32);
}
}
/* Replace the .xy coordinates with S/T from the point sprite. Set
* interpolation bits for .zw such that they become .01
*/
if (emit->sprite_coord_enable & (1 << sem2idx(fp->inputs[j].semantic))) {
vpsrepl[inloc / 16] |= (emit->sprite_coord_mode ? 0x0d : 0x09)
<< ((inloc % 16) * 2);
vinterp[(inloc + 2) / 16] |= 2 << (((inloc + 2) % 16) * 2);
vinterp[(inloc + 3) / 16] |= 3 << (((inloc + 3) % 16) * 2);
}
}
OUT_PKT0(ring, REG_A3XX_VPC_ATTR, 2);
OUT_RING(ring, A3XX_VPC_ATTR_TOTALATTR(fp->total_in) |
A3XX_VPC_ATTR_THRDASSIGN(1) |
A3XX_VPC_ATTR_LMSIZE(1) |
COND(vp->writes_psize, A3XX_VPC_ATTR_PSIZE));
OUT_RING(ring, A3XX_VPC_PACK_NUMFPNONPOSVAR(fp->total_in) |
A3XX_VPC_PACK_NUMNONPOSVSVAR(fp->total_in));
OUT_PKT0(ring, REG_A3XX_VPC_VARYING_INTERP_MODE(0), 4);
OUT_RING(ring, vinterp[0]); /* VPC_VARYING_INTERP[0].MODE */
OUT_RING(ring, vinterp[1]); /* VPC_VARYING_INTERP[1].MODE */
OUT_RING(ring, vinterp[2]); /* VPC_VARYING_INTERP[2].MODE */
OUT_RING(ring, vinterp[3]); /* VPC_VARYING_INTERP[3].MODE */
OUT_PKT0(ring, REG_A3XX_VPC_VARYING_PS_REPL_MODE(0), 4);
OUT_RING(ring, vpsrepl[0]); /* VPC_VARYING_PS_REPL[0].MODE */
OUT_RING(ring, vpsrepl[1]); /* VPC_VARYING_PS_REPL[1].MODE */
OUT_RING(ring, vpsrepl[2]); /* VPC_VARYING_PS_REPL[2].MODE */
OUT_RING(ring, vpsrepl[3]); /* VPC_VARYING_PS_REPL[3].MODE */
OUT_PKT0(ring, REG_A3XX_SP_FS_FLAT_SHAD_MODE_REG_0, 2);
OUT_RING(ring, flatshade[0]); /* SP_FS_FLAT_SHAD_MODE_REG_0 */
OUT_RING(ring, flatshade[1]); /* SP_FS_FLAT_SHAD_MODE_REG_1 */
}
if (vpbuffer == BUFFER)
emit_shader(ring, vp);
OUT_PKT0(ring, REG_A3XX_VFD_PERFCOUNTER0_SELECT, 1);
OUT_RING(ring, 0x00000000); /* VFD_PERFCOUNTER0_SELECT */
if (!emit->key.binning_pass) {
if (fpbuffer == BUFFER)
emit_shader(ring, fp);
OUT_PKT0(ring, REG_A3XX_VFD_PERFCOUNTER0_SELECT, 1);
OUT_RING(ring, 0x00000000); /* VFD_PERFCOUNTER0_SELECT */
}
}
void
fd4_program_emit(struct fd_ringbuffer *ring, struct fd4_emit *emit,
int nr, struct pipe_surface **bufs)
{
struct stage s[MAX_STAGES];
uint32_t pos_regid, posz_regid, psize_regid, color_regid[8];
uint32_t face_regid, coord_regid, zwcoord_regid;
enum a3xx_threadsize fssz;
int constmode;
int i, j, k;
debug_assert(nr <= ARRAY_SIZE(color_regid));
if (emit->key.binning_pass)
nr = 0;
setup_stages(emit, s);
fssz = (s[FS].i->max_reg >= 24) ? TWO_QUADS : FOUR_QUADS;
/* blob seems to always use constmode currently: */
constmode = 1;
pos_regid = ir3_find_output_regid(s[VS].v, VARYING_SLOT_POS);
if (pos_regid == regid(63, 0)) {
/* hw dislikes when there is no position output, which can
* happen for transform-feedback vertex shaders. Just tell
* the hw to use r0.x, with whatever random value is there:
*/
pos_regid = regid(0, 0);
}
posz_regid = ir3_find_output_regid(s[FS].v, FRAG_RESULT_DEPTH);
psize_regid = ir3_find_output_regid(s[VS].v, VARYING_SLOT_PSIZ);
if (s[FS].v->color0_mrt) {
color_regid[0] = color_regid[1] = color_regid[2] = color_regid[3] =
color_regid[4] = color_regid[5] = color_regid[6] = color_regid[7] =
ir3_find_output_regid(s[FS].v, FRAG_RESULT_COLOR);
} else {
color_regid[0] = ir3_find_output_regid(s[FS].v, FRAG_RESULT_DATA0);
color_regid[1] = ir3_find_output_regid(s[FS].v, FRAG_RESULT_DATA1);
color_regid[2] = ir3_find_output_regid(s[FS].v, FRAG_RESULT_DATA2);
color_regid[3] = ir3_find_output_regid(s[FS].v, FRAG_RESULT_DATA3);
color_regid[4] = ir3_find_output_regid(s[FS].v, FRAG_RESULT_DATA4);
color_regid[5] = ir3_find_output_regid(s[FS].v, FRAG_RESULT_DATA5);
color_regid[6] = ir3_find_output_regid(s[FS].v, FRAG_RESULT_DATA6);
color_regid[7] = ir3_find_output_regid(s[FS].v, FRAG_RESULT_DATA7);
}
/* TODO get these dynamically: */
face_regid = s[FS].v->frag_face ? regid(0,0) : regid(63,0);
coord_regid = s[FS].v->frag_coord ? regid(0,0) : regid(63,0);
zwcoord_regid = s[FS].v->frag_coord ? regid(0,2) : regid(63,0);
/* we could probably divide this up into things that need to be
* emitted if frag-prog is dirty vs if vert-prog is dirty..
*/
OUT_PKT0(ring, REG_A4XX_HLSQ_UPDATE_CONTROL, 1);
OUT_RING(ring, 0x00000003);
OUT_PKT0(ring, REG_A4XX_HLSQ_CONTROL_0_REG, 5);
OUT_RING(ring, A4XX_HLSQ_CONTROL_0_REG_FSTHREADSIZE(fssz) |
A4XX_HLSQ_CONTROL_0_REG_CONSTMODE(constmode) |
A4XX_HLSQ_CONTROL_0_REG_FSSUPERTHREADENABLE |
/* NOTE: I guess SHADERRESTART and CONSTFULLUPDATE maybe
* flush some caches? I think we only need to set those
* bits if we have updated const or shader..
*/
A4XX_HLSQ_CONTROL_0_REG_SPSHADERRESTART |
A4XX_HLSQ_CONTROL_0_REG_SPCONSTFULLUPDATE);
OUT_RING(ring, A4XX_HLSQ_CONTROL_1_REG_VSTHREADSIZE(TWO_QUADS) |
A4XX_HLSQ_CONTROL_1_REG_VSSUPERTHREADENABLE |
A4XX_HLSQ_CONTROL_1_REG_COORDREGID(coord_regid) |
A4XX_HLSQ_CONTROL_1_REG_ZWCOORDREGID(zwcoord_regid));
OUT_RING(ring, A4XX_HLSQ_CONTROL_2_REG_PRIMALLOCTHRESHOLD(63) |
0x3f3f000 | /* XXX */
A4XX_HLSQ_CONTROL_2_REG_FACEREGID(face_regid));
OUT_RING(ring, A4XX_HLSQ_CONTROL_3_REG_REGID(s[FS].v->pos_regid) |
0xfcfcfc00);
OUT_RING(ring, 0x00fcfcfc); /* XXX HLSQ_CONTROL_4 */
OUT_PKT0(ring, REG_A4XX_HLSQ_VS_CONTROL_REG, 5);
OUT_RING(ring, A4XX_HLSQ_VS_CONTROL_REG_CONSTLENGTH(s[VS].constlen) |
A4XX_HLSQ_VS_CONTROL_REG_CONSTOBJECTOFFSET(s[VS].constoff) |
A4XX_HLSQ_VS_CONTROL_REG_INSTRLENGTH(s[VS].instrlen) |
A4XX_HLSQ_VS_CONTROL_REG_SHADEROBJOFFSET(s[VS].instroff));
OUT_RING(ring, A4XX_HLSQ_FS_CONTROL_REG_CONSTLENGTH(s[FS].constlen) |
A4XX_HLSQ_FS_CONTROL_REG_CONSTOBJECTOFFSET(s[FS].constoff) |
A4XX_HLSQ_FS_CONTROL_REG_INSTRLENGTH(s[FS].instrlen) |
A4XX_HLSQ_FS_CONTROL_REG_SHADEROBJOFFSET(s[FS].instroff));
OUT_RING(ring, A4XX_HLSQ_HS_CONTROL_REG_CONSTLENGTH(s[HS].constlen) |
A4XX_HLSQ_HS_CONTROL_REG_CONSTOBJECTOFFSET(s[HS].constoff) |
A4XX_HLSQ_HS_CONTROL_REG_INSTRLENGTH(s[HS].instrlen) |
A4XX_HLSQ_HS_CONTROL_REG_SHADEROBJOFFSET(s[HS].instroff));
OUT_RING(ring, A4XX_HLSQ_DS_CONTROL_REG_CONSTLENGTH(s[DS].constlen) |
A4XX_HLSQ_DS_CONTROL_REG_CONSTOBJECTOFFSET(s[DS].constoff) |
A4XX_HLSQ_DS_CONTROL_REG_INSTRLENGTH(s[DS].instrlen) |
A4XX_HLSQ_DS_CONTROL_REG_SHADEROBJOFFSET(s[DS].instroff));
OUT_RING(ring, A4XX_HLSQ_GS_CONTROL_REG_CONSTLENGTH(s[GS].constlen) |
A4XX_HLSQ_GS_CONTROL_REG_CONSTOBJECTOFFSET(s[GS].constoff) |
A4XX_HLSQ_GS_CONTROL_REG_INSTRLENGTH(s[GS].instrlen) |
A4XX_HLSQ_GS_CONTROL_REG_SHADEROBJOFFSET(s[GS].instroff));
OUT_PKT0(ring, REG_A4XX_SP_SP_CTRL_REG, 1);
OUT_RING(ring, 0x140010 | /* XXX */
COND(emit->key.binning_pass, A4XX_SP_SP_CTRL_REG_BINNING_PASS));
OUT_PKT0(ring, REG_A4XX_SP_INSTR_CACHE_CTRL, 1);
OUT_RING(ring, 0x7f | /* XXX */
COND(s[VS].instrlen, A4XX_SP_INSTR_CACHE_CTRL_VS_BUFFER) |
COND(s[FS].instrlen, A4XX_SP_INSTR_CACHE_CTRL_FS_BUFFER) |
COND(s[VS].instrlen && s[FS].instrlen,
A4XX_SP_INSTR_CACHE_CTRL_INSTR_BUFFER));
OUT_PKT0(ring, REG_A4XX_SP_VS_LENGTH_REG, 1);
OUT_RING(ring, s[VS].v->instrlen); /* SP_VS_LENGTH_REG */
OUT_PKT0(ring, REG_A4XX_SP_VS_CTRL_REG0, 3);
OUT_RING(ring, A4XX_SP_VS_CTRL_REG0_THREADMODE(MULTI) |
A4XX_SP_VS_CTRL_REG0_HALFREGFOOTPRINT(s[VS].i->max_half_reg + 1) |
A4XX_SP_VS_CTRL_REG0_FULLREGFOOTPRINT(s[VS].i->max_reg + 1) |
A4XX_SP_VS_CTRL_REG0_INOUTREGOVERLAP(0) |
A4XX_SP_VS_CTRL_REG0_THREADSIZE(TWO_QUADS) |
A4XX_SP_VS_CTRL_REG0_SUPERTHREADMODE |
COND(s[VS].v->has_samp, A4XX_SP_VS_CTRL_REG0_PIXLODENABLE));
OUT_RING(ring, A4XX_SP_VS_CTRL_REG1_CONSTLENGTH(s[VS].constlen) |
A4XX_SP_VS_CTRL_REG1_INITIALOUTSTANDING(s[VS].v->total_in));
OUT_RING(ring, A4XX_SP_VS_PARAM_REG_POSREGID(pos_regid) |
A4XX_SP_VS_PARAM_REG_PSIZEREGID(psize_regid) |
A4XX_SP_VS_PARAM_REG_TOTALVSOUTVAR(s[FS].v->varying_in));
for (i = 0, j = -1; (i < 16) && (j < (int)s[FS].v->inputs_count); i++) {
uint32_t reg = 0;
OUT_PKT0(ring, REG_A4XX_SP_VS_OUT_REG(i), 1);
j = ir3_next_varying(s[FS].v, j);
if (j < s[FS].v->inputs_count) {
k = ir3_find_output(s[VS].v, s[FS].v->inputs[j].slot);
reg |= A4XX_SP_VS_OUT_REG_A_REGID(s[VS].v->outputs[k].regid);
reg |= A4XX_SP_VS_OUT_REG_A_COMPMASK(s[FS].v->inputs[j].compmask);
}
j = ir3_next_varying(s[FS].v, j);
if (j < s[FS].v->inputs_count) {
k = ir3_find_output(s[VS].v, s[FS].v->inputs[j].slot);
reg |= A4XX_SP_VS_OUT_REG_B_REGID(s[VS].v->outputs[k].regid);
reg |= A4XX_SP_VS_OUT_REG_B_COMPMASK(s[FS].v->inputs[j].compmask);
}
OUT_RING(ring, reg);
}
for (i = 0, j = -1; (i < 8) && (j < (int)s[FS].v->inputs_count); i++) {
uint32_t reg = 0;
OUT_PKT0(ring, REG_A4XX_SP_VS_VPC_DST_REG(i), 1);
j = ir3_next_varying(s[FS].v, j);
if (j < s[FS].v->inputs_count)
reg |= A4XX_SP_VS_VPC_DST_REG_OUTLOC0(s[FS].v->inputs[j].inloc);
j = ir3_next_varying(s[FS].v, j);
if (j < s[FS].v->inputs_count)
reg |= A4XX_SP_VS_VPC_DST_REG_OUTLOC1(s[FS].v->inputs[j].inloc);
j = ir3_next_varying(s[FS].v, j);
if (j < s[FS].v->inputs_count)
reg |= A4XX_SP_VS_VPC_DST_REG_OUTLOC2(s[FS].v->inputs[j].inloc);
j = ir3_next_varying(s[FS].v, j);
if (j < s[FS].v->inputs_count)
reg |= A4XX_SP_VS_VPC_DST_REG_OUTLOC3(s[FS].v->inputs[j].inloc);
OUT_RING(ring, reg);
}
OUT_PKT0(ring, REG_A4XX_SP_VS_OBJ_OFFSET_REG, 2);
OUT_RING(ring, A4XX_SP_VS_OBJ_OFFSET_REG_CONSTOBJECTOFFSET(s[VS].constoff) |
A4XX_SP_VS_OBJ_OFFSET_REG_SHADEROBJOFFSET(s[VS].instroff));
OUT_RELOC(ring, s[VS].v->bo, 0, 0, 0); /* SP_VS_OBJ_START_REG */
if (emit->key.binning_pass) {
OUT_PKT0(ring, REG_A4XX_SP_FS_LENGTH_REG, 1);
OUT_RING(ring, 0x00000000); /* SP_FS_LENGTH_REG */
OUT_PKT0(ring, REG_A4XX_SP_FS_CTRL_REG0, 2);
OUT_RING(ring, A4XX_SP_FS_CTRL_REG0_THREADMODE(MULTI) |
COND(s[FS].v->total_in > 0, A4XX_SP_FS_CTRL_REG0_VARYING) |
A4XX_SP_FS_CTRL_REG0_HALFREGFOOTPRINT(0) |
A4XX_SP_FS_CTRL_REG0_FULLREGFOOTPRINT(0) |
A4XX_SP_FS_CTRL_REG0_INOUTREGOVERLAP(1) |
A4XX_SP_FS_CTRL_REG0_THREADSIZE(fssz) |
A4XX_SP_FS_CTRL_REG0_SUPERTHREADMODE);
OUT_RING(ring, A4XX_SP_FS_CTRL_REG1_CONSTLENGTH(s[FS].constlen) |
0x80000000);
OUT_PKT0(ring, REG_A4XX_SP_FS_OBJ_OFFSET_REG, 2);
OUT_RING(ring, A4XX_SP_FS_OBJ_OFFSET_REG_CONSTOBJECTOFFSET(s[FS].constoff) |
A4XX_SP_FS_OBJ_OFFSET_REG_SHADEROBJOFFSET(s[FS].instroff));
OUT_RING(ring, 0x00000000);
} else {
OUT_PKT0(ring, REG_A4XX_SP_FS_LENGTH_REG, 1);
OUT_RING(ring, s[FS].v->instrlen); /* SP_FS_LENGTH_REG */
OUT_PKT0(ring, REG_A4XX_SP_FS_CTRL_REG0, 2);
OUT_RING(ring, A4XX_SP_FS_CTRL_REG0_THREADMODE(MULTI) |
COND(s[FS].v->total_in > 0, A4XX_SP_FS_CTRL_REG0_VARYING) |
A4XX_SP_FS_CTRL_REG0_HALFREGFOOTPRINT(s[FS].i->max_half_reg + 1) |
A4XX_SP_FS_CTRL_REG0_FULLREGFOOTPRINT(s[FS].i->max_reg + 1) |
A4XX_SP_FS_CTRL_REG0_INOUTREGOVERLAP(1) |
A4XX_SP_FS_CTRL_REG0_THREADSIZE(fssz) |
A4XX_SP_FS_CTRL_REG0_SUPERTHREADMODE |
COND(s[FS].v->has_samp, A4XX_SP_FS_CTRL_REG0_PIXLODENABLE));
OUT_RING(ring, A4XX_SP_FS_CTRL_REG1_CONSTLENGTH(s[FS].constlen) |
0x80000000 | /* XXX */
COND(s[FS].v->frag_face, A4XX_SP_FS_CTRL_REG1_FACENESS) |
COND(s[FS].v->total_in > 0, A4XX_SP_FS_CTRL_REG1_VARYING) |
COND(s[FS].v->frag_coord, A4XX_SP_FS_CTRL_REG1_FRAGCOORD));
OUT_PKT0(ring, REG_A4XX_SP_FS_OBJ_OFFSET_REG, 2);
OUT_RING(ring, A4XX_SP_FS_OBJ_OFFSET_REG_CONSTOBJECTOFFSET(s[FS].constoff) |
A4XX_SP_FS_OBJ_OFFSET_REG_SHADEROBJOFFSET(s[FS].instroff));
OUT_RELOC(ring, s[FS].v->bo, 0, 0, 0); /* SP_FS_OBJ_START_REG */
}
OUT_PKT0(ring, REG_A4XX_SP_HS_OBJ_OFFSET_REG, 1);
OUT_RING(ring, A4XX_SP_HS_OBJ_OFFSET_REG_CONSTOBJECTOFFSET(s[HS].constoff) |
A4XX_SP_HS_OBJ_OFFSET_REG_SHADEROBJOFFSET(s[HS].instroff));
OUT_PKT0(ring, REG_A4XX_SP_DS_OBJ_OFFSET_REG, 1);
OUT_RING(ring, A4XX_SP_DS_OBJ_OFFSET_REG_CONSTOBJECTOFFSET(s[DS].constoff) |
A4XX_SP_DS_OBJ_OFFSET_REG_SHADEROBJOFFSET(s[DS].instroff));
OUT_PKT0(ring, REG_A4XX_SP_GS_OBJ_OFFSET_REG, 1);
OUT_RING(ring, A4XX_SP_GS_OBJ_OFFSET_REG_CONSTOBJECTOFFSET(s[GS].constoff) |
A4XX_SP_GS_OBJ_OFFSET_REG_SHADEROBJOFFSET(s[GS].instroff));
OUT_PKT0(ring, REG_A4XX_RB_RENDER_CONTROL2, 1);
OUT_RING(ring, A4XX_RB_RENDER_CONTROL2_MSAA_SAMPLES(0) |
COND(s[FS].v->total_in > 0, A4XX_RB_RENDER_CONTROL2_VARYING) |
COND(s[FS].v->frag_face, A4XX_RB_RENDER_CONTROL2_FACENESS) |
COND(s[FS].v->frag_coord, A4XX_RB_RENDER_CONTROL2_XCOORD |
A4XX_RB_RENDER_CONTROL2_YCOORD |
A4XX_RB_RENDER_CONTROL2_ZCOORD |
A4XX_RB_RENDER_CONTROL2_WCOORD));
OUT_PKT0(ring, REG_A4XX_RB_FS_OUTPUT_REG, 1);
OUT_RING(ring, A4XX_RB_FS_OUTPUT_REG_MRT(nr) |
COND(s[FS].v->writes_pos, A4XX_RB_FS_OUTPUT_REG_FRAG_WRITES_Z));
OUT_PKT0(ring, REG_A4XX_SP_FS_OUTPUT_REG, 1);
OUT_RING(ring, A4XX_SP_FS_OUTPUT_REG_MRT(nr) |
COND(s[FS].v->writes_pos, A4XX_SP_FS_OUTPUT_REG_DEPTH_ENABLE) |
A4XX_SP_FS_OUTPUT_REG_DEPTH_REGID(posz_regid));
OUT_PKT0(ring, REG_A4XX_SP_FS_MRT_REG(0), 8);
for (i = 0; i < 8; i++) {
enum a4xx_color_fmt format = 0;
bool srgb = false;
if (i < nr) {
format = fd4_emit_format(bufs[i]);
if (bufs[i] && !emit->no_decode_srgb)
srgb = util_format_is_srgb(bufs[i]->format);
}
OUT_RING(ring, A4XX_SP_FS_MRT_REG_REGID(color_regid[i]) |
A4XX_SP_FS_MRT_REG_MRTFORMAT(format) |
COND(srgb, A4XX_SP_FS_MRT_REG_COLOR_SRGB) |
COND(emit->key.half_precision,
A4XX_SP_FS_MRT_REG_HALF_PRECISION));
}
if (emit->key.binning_pass) {
OUT_PKT0(ring, REG_A4XX_VPC_ATTR, 2);
OUT_RING(ring, A4XX_VPC_ATTR_THRDASSIGN(1) |
0x40000000 | /* XXX */
COND(s[VS].v->writes_psize, A4XX_VPC_ATTR_PSIZE));
OUT_RING(ring, 0x00000000);
} else {
uint32_t vinterp[8], vpsrepl[8];
memset(vinterp, 0, sizeof(vinterp));
memset(vpsrepl, 0, sizeof(vpsrepl));
/* looks like we need to do int varyings in the frag
* shader on a4xx (no flatshad reg? or a420.0 bug?):
*
* (sy)(ss)nop
* (sy)ldlv.u32 r0.x,l[r0.x], 1
* ldlv.u32 r0.y,l[r0.x+1], 1
* (ss)bary.f (ei)r63.x, 0, r0.x
* (ss)(rpt1)cov.s32f16 hr0.x, (r)r0.x
* (rpt5)nop
* sam (f16)(xyzw)hr0.x, hr0.x, s#0, t#0
*
* Possibly on later a4xx variants we'll be able to use
* something like the code below instead of workaround
* in the shader:
*/
/* figure out VARYING_INTERP / VARYING_PS_REPL register values: */
for (j = -1; (j = ir3_next_varying(s[FS].v, j)) < (int)s[FS].v->inputs_count; ) {
/* NOTE: varyings are packed, so if compmask is 0xb
* then first, third, and fourth component occupy
* three consecutive varying slots:
*/
unsigned compmask = s[FS].v->inputs[j].compmask;
/* TODO might be cleaner to just +8 in SP_VS_VPC_DST_REG
* instead.. rather than -8 everywhere else..
*/
uint32_t inloc = s[FS].v->inputs[j].inloc - 8;
if ((s[FS].v->inputs[j].interpolate == INTERP_MODE_FLAT) ||
(s[FS].v->inputs[j].rasterflat && emit->rasterflat)) {
uint32_t loc = inloc;
for (i = 0; i < 4; i++) {
if (compmask & (1 << i)) {
vinterp[loc / 16] |= 1 << ((loc % 16) * 2);
//flatshade[loc / 32] |= 1 << (loc % 32);
loc++;
}
}
}
gl_varying_slot slot = s[FS].v->inputs[j].slot;
/* since we don't enable PIPE_CAP_TGSI_TEXCOORD: */
if (slot >= VARYING_SLOT_VAR0) {
unsigned texmask = 1 << (slot - VARYING_SLOT_VAR0);
/* Replace the .xy coordinates with S/T from the point sprite. Set
* interpolation bits for .zw such that they become .01
*/
if (emit->sprite_coord_enable & texmask) {
/* mask is two 2-bit fields, where:
* '01' -> S
* '10' -> T
* '11' -> 1 - T (flip mode)
*/
unsigned mask = emit->sprite_coord_mode ? 0b1101 : 0b1001;
uint32_t loc = inloc;
if (compmask & 0x1) {
vpsrepl[loc / 16] |= ((mask >> 0) & 0x3) << ((loc % 16) * 2);
loc++;
}
if (compmask & 0x2) {
vpsrepl[loc / 16] |= ((mask >> 2) & 0x3) << ((loc % 16) * 2);
loc++;
}
if (compmask & 0x4) {
/* .z <- 0.0f */
vinterp[loc / 16] |= 0b10 << ((loc % 16) * 2);
loc++;
}
if (compmask & 0x8) {
/* .w <- 1.0f */
vinterp[loc / 16] |= 0b11 << ((loc % 16) * 2);
loc++;
}
}
