diff options
Diffstat (limited to 'src/gallium/drivers/freedreno/a6xx/fd6_program.c')
| -rw-r--r-- | src/gallium/drivers/freedreno/a6xx/fd6_program.c | 718 |
1 files changed, 718 insertions, 0 deletions
diff --git a/src/gallium/drivers/freedreno/a6xx/fd6_program.c b/src/gallium/drivers/freedreno/a6xx/fd6_program.c new file mode 100644 index 00000000000..0e4206773dc --- /dev/null +++ b/src/gallium/drivers/freedreno/a6xx/fd6_program.c @@ -0,0 +1,718 @@ +/* + * Copyright (C) 2016 Rob Clark <robclark@freedesktop.org> + * Copyright © 2018 Google, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Authors: + * Rob Clark <robclark@freedesktop.org> + */ + +#include "pipe/p_state.h" +#include "util/u_string.h" +#include "util/u_memory.h" +#include "util/u_inlines.h" +#include "util/u_format.h" +#include "util/bitset.h" + +#include "freedreno_program.h" + +#include "fd6_program.h" +#include "fd6_emit.h" +#include "fd6_texture.h" +#include "fd6_format.h" + +static void +delete_shader_stateobj(struct fd6_shader_stateobj *so) +{ + ir3_shader_destroy(so->shader); + free(so); +} + +static struct fd6_shader_stateobj * +create_shader_stateobj(struct pipe_context *pctx, const struct pipe_shader_state *cso, + enum shader_t type) +{ + struct fd_context *ctx = fd_context(pctx); + struct ir3_compiler *compiler = ctx->screen->compiler; + struct fd6_shader_stateobj *so = CALLOC_STRUCT(fd6_shader_stateobj); + so->shader = ir3_shader_create(compiler, cso, type, &ctx->debug); + return so; +} + +static void * +fd6_fp_state_create(struct pipe_context *pctx, + const struct pipe_shader_state *cso) +{ + return create_shader_stateobj(pctx, cso, SHADER_FRAGMENT); +} + +static void +fd6_fp_state_delete(struct pipe_context *pctx, void *hwcso) +{ + struct fd6_shader_stateobj *so = hwcso; + delete_shader_stateobj(so); +} + +static void * +fd6_vp_state_create(struct pipe_context *pctx, + const struct pipe_shader_state *cso) +{ + return create_shader_stateobj(pctx, cso, SHADER_VERTEX); +} + +static void +fd6_vp_state_delete(struct pipe_context *pctx, void *hwcso) +{ + struct fd6_shader_stateobj *so = hwcso; + delete_shader_stateobj(so); +} + +void +fd6_emit_shader(struct fd_ringbuffer *ring, const struct ir3_shader_variant *so) +{ + const struct ir3_info *si = &so->info; + enum a6xx_state_block sb = fd6_stage2shadersb(so->type); + enum a6xx_state_src src; + uint32_t i, sz, *bin; + unsigned opcode; + + if (fd_mesa_debug & FD_DBG_DIRECT) { + sz = si->sizedwords; + src = SS6_DIRECT; + bin = fd_bo_map(so->bo); + } else { + sz = 0; + src = SS6_INDIRECT; + bin = NULL; + } + + switch (so->type) { + case SHADER_VERTEX: + opcode = CP_LOAD_STATE6_GEOM; + break; + case SHADER_FRAGMENT: + case SHADER_COMPUTE: + opcode = CP_LOAD_STATE6_FRAG; + break; + default: + unreachable("bad shader type"); + } + + OUT_PKT7(ring, opcode, 3 + sz); + OUT_RING(ring, CP_LOAD_STATE6_0_DST_OFF(0) | + CP_LOAD_STATE6_0_STATE_TYPE(ST6_SHADER) | + CP_LOAD_STATE6_0_STATE_SRC(src) | + CP_LOAD_STATE6_0_STATE_BLOCK(sb) | + CP_LOAD_STATE6_0_NUM_UNIT(so->instrlen)); + if (bin) { + OUT_RING(ring, CP_LOAD_STATE6_1_EXT_SRC_ADDR(0)); + OUT_RING(ring, CP_LOAD_STATE6_2_EXT_SRC_ADDR_HI(0)); + } else { + OUT_RELOC(ring, so->bo, 0, 0, 0); + } + + /* for how clever coverity is, it is sometimes rather dull, and + * doesn't realize that the only case where bin==NULL, sz==0: + */ + assume(bin || (sz == 0)); + + for (i = 0; i < sz; i++) { + OUT_RING(ring, bin[i]); + } +} + +/* Add any missing varyings needed for stream-out. Otherwise varyings not + * used by fragment shader will be stripped out. + */ +static void +link_stream_out(struct ir3_shader_linkage *l, const struct ir3_shader_variant *v) +{ + const struct pipe_stream_output_info *strmout = &v->shader->stream_output; + + /* + * First, any stream-out varyings not already in linkage map (ie. also + * consumed by frag shader) need to be added: + */ + for (unsigned i = 0; i < strmout->num_outputs; i++) { + const struct pipe_stream_output *out = &strmout->output[i]; + unsigned k = out->register_index; + unsigned compmask = + (1 << (out->num_components + out->start_component)) - 1; + unsigned idx, nextloc = 0; + + /* psize/pos need to be the last entries in linkage map, and will + * get added link_stream_out, so skip over them: + */ + if ((v->outputs[k].slot == VARYING_SLOT_PSIZ) || + (v->outputs[k].slot == VARYING_SLOT_POS)) + continue; + + for (idx = 0; idx < l->cnt; idx++) { + if (l->var[idx].regid == v->outputs[k].regid) + break; + nextloc = MAX2(nextloc, l->var[idx].loc + 4); + } + + /* add if not already in linkage map: */ + if (idx == l->cnt) + ir3_link_add(l, v->outputs[k].regid, compmask, nextloc); + + /* expand component-mask if needed, ie streaming out all components + * but frag shader doesn't consume all components: + */ + if (compmask & ~l->var[idx].compmask) { + l->var[idx].compmask |= compmask; + l->max_loc = MAX2(l->max_loc, + l->var[idx].loc + util_last_bit(l->var[idx].compmask)); + } + } +} + +#if 0 +/* TODO maybe some of this we could pre-compute once rather than having + * so much draw-time logic? + */ +static void +emit_stream_out(struct fd_ringbuffer *ring, const struct ir3_shader_variant *v, + struct ir3_shader_linkage *l) +{ + const struct pipe_stream_output_info *strmout = &v->shader->stream_output; + unsigned ncomp[PIPE_MAX_SO_BUFFERS] = {0}; + unsigned prog[align(l->max_loc, 2) / 2]; + + memset(prog, 0, sizeof(prog)); + + for (unsigned i = 0; i < strmout->num_outputs; i++) { + const struct pipe_stream_output *out = &strmout->output[i]; + unsigned k = out->register_index; + unsigned idx; + + ncomp[out->output_buffer] += out->num_components; + + /* linkage map sorted by order frag shader wants things, so + * a bit less ideal here.. + */ + for (idx = 0; idx < l->cnt; idx++) + if (l->var[idx].regid == v->outputs[k].regid) + break; + + debug_assert(idx < l->cnt); + + for (unsigned j = 0; j < out->num_components; j++) { + unsigned c = j + out->start_component; + unsigned loc = l->var[idx].loc + c; + unsigned off = j + out->dst_offset; /* in dwords */ + + if (loc & 1) { + prog[loc/2] |= A6XX_VPC_SO_PROG_B_EN | + A6XX_VPC_SO_PROG_B_BUF(out->output_buffer) | + A6XX_VPC_SO_PROG_B_OFF(off * 4); + } else { + prog[loc/2] |= A6XX_VPC_SO_PROG_A_EN | + A6XX_VPC_SO_PROG_A_BUF(out->output_buffer) | + A6XX_VPC_SO_PROG_A_OFF(off * 4); + } + } + } + + OUT_PKT7(ring, CP_CONTEXT_REG_BUNCH, 12 + (2 * ARRAY_SIZE(prog))); + OUT_RING(ring, REG_A6XX_VPC_SO_BUF_CNTL); + OUT_RING(ring, A6XX_VPC_SO_BUF_CNTL_ENABLE | + COND(ncomp[0] > 0, A6XX_VPC_SO_BUF_CNTL_BUF0) | + COND(ncomp[1] > 0, A6XX_VPC_SO_BUF_CNTL_BUF1) | + COND(ncomp[2] > 0, A6XX_VPC_SO_BUF_CNTL_BUF2) | + COND(ncomp[3] > 0, A6XX_VPC_SO_BUF_CNTL_BUF3)); + OUT_RING(ring, REG_A6XX_VPC_SO_NCOMP(0)); + OUT_RING(ring, ncomp[0]); + OUT_RING(ring, REG_A6XX_VPC_SO_NCOMP(1)); + OUT_RING(ring, ncomp[1]); + OUT_RING(ring, REG_A6XX_VPC_SO_NCOMP(2)); + OUT_RING(ring, ncomp[2]); + OUT_RING(ring, REG_A6XX_VPC_SO_NCOMP(3)); + OUT_RING(ring, ncomp[3]); + OUT_RING(ring, REG_A6XX_VPC_SO_CNTL); + OUT_RING(ring, A6XX_VPC_SO_CNTL_ENABLE); + for (unsigned i = 0; i < ARRAY_SIZE(prog); i++) { + OUT_RING(ring, REG_A6XX_VPC_SO_PROG); + OUT_RING(ring, prog[i]); + } +} +#endif + +struct stage { + const struct ir3_shader_variant *v; + const struct ir3_info *i; + /* const sizes are in units of 4 * vec4 */ + uint8_t constoff; + uint8_t constlen; + /* instr sizes are in units of 16 instructions */ + uint8_t instroff; + uint8_t instrlen; +}; + +enum { + VS = 0, + FS = 1, + HS = 2, + DS = 3, + GS = 4, + MAX_STAGES +}; + +static void +setup_stages(struct fd6_emit *emit, struct stage *s) +{ + unsigned i; + + s[VS].v = fd6_emit_get_vp(emit); + s[FS].v = fd6_emit_get_fp(emit); + + s[HS].v = s[DS].v = s[GS].v = NULL; /* for now */ + + for (i = 0; i < MAX_STAGES; i++) { + if (s[i].v) { + s[i].i = &s[i].v->info; + /* constlen is in units of 4 * vec4: */ + s[i].constlen = align(s[i].v->constlen, 4) / 4; + /* instrlen is already in units of 16 instr.. although + * probably we should ditch that and not make the compiler + * care about instruction group size of a3xx vs a5xx + */ + s[i].instrlen = s[i].v->instrlen; + } else { + s[i].i = NULL; + s[i].constlen = 0; + s[i].instrlen = 0; + } + } + + unsigned constoff = 0; + for (i = 0; i < MAX_STAGES; i++) { + s[i].constoff = constoff; + constoff += s[i].constlen; + } + + s[VS].instroff = 0; + s[FS].instroff = 64 - s[FS].instrlen; + s[HS].instroff = s[DS].instroff = s[GS].instroff = s[FS].instroff; +} + +void +fd6_program_emit(struct fd_context *ctx, struct fd_ringbuffer *ring, + struct fd6_emit *emit) +{ + struct stage s[MAX_STAGES]; + uint32_t pos_regid, psize_regid, color_regid[8]; + uint32_t face_regid, coord_regid, zwcoord_regid, samp_id_regid, samp_mask_regid; + uint32_t vcoord_regid, vertex_regid, instance_regid; + enum a3xx_threadsize fssz; + uint8_t psize_loc = ~0; + int i, j; + + setup_stages(emit, s); + + fssz = (s[FS].i->max_reg >= 24) ? TWO_QUADS : FOUR_QUADS; + + pos_regid = ir3_find_output_regid(s[VS].v, VARYING_SLOT_POS); + psize_regid = ir3_find_output_regid(s[VS].v, VARYING_SLOT_PSIZ); + vertex_regid = ir3_find_sysval_regid(s[VS].v, SYSTEM_VALUE_VERTEX_ID_ZERO_BASE); + instance_regid = ir3_find_sysval_regid(s[VS].v, SYSTEM_VALUE_INSTANCE_ID); + + 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); + } + + samp_id_regid = ir3_find_sysval_regid(s[FS].v, SYSTEM_VALUE_SAMPLE_ID); + samp_mask_regid = ir3_find_sysval_regid(s[FS].v, SYSTEM_VALUE_SAMPLE_MASK_IN); + face_regid = ir3_find_sysval_regid(s[FS].v, SYSTEM_VALUE_FRONT_FACE); + coord_regid = ir3_find_sysval_regid(s[FS].v, SYSTEM_VALUE_FRAG_COORD); + zwcoord_regid = (coord_regid == regid(63,0)) ? regid(63,0) : (coord_regid + 2); + vcoord_regid = ir3_find_sysval_regid(s[FS].v, SYSTEM_VALUE_VARYING_COORD); + + /* 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_PKT4(ring, REG_A6XX_SP_VS_TEX_COUNT, 1); + OUT_RING(ring, 0); + + struct fd_texture_stateobj *tex = &ctx->tex[PIPE_SHADER_VERTEX]; + OUT_PKT4(ring, REG_A6XX_SP_VS_CONFIG, 2); + OUT_RING(ring, COND(s[VS].v, A6XX_SP_VS_CONFIG_ENABLED) | + A6XX_SP_VS_CONFIG_NTEX(tex->num_textures) | + A6XX_SP_VS_CONFIG_NSAMP(tex->num_samplers)); /* SP_VS_CONFIG */ + OUT_RING(ring, s[VS].instrlen); /* SP_VS_INSTRLEN */ + + OUT_PKT4(ring, REG_A6XX_SP_HS_UNKNOWN_A831, 1); + OUT_RING(ring, 0); + + OUT_PKT4(ring, REG_A6XX_SP_HS_CONFIG, 2); + OUT_RING(ring, COND(s[HS].v, A6XX_SP_HS_CONFIG_ENABLED)); /* SP_HS_CONFIG */ + OUT_RING(ring, s[HS].instrlen); /* SP_HS_INSTRLEN */ + + OUT_PKT4(ring, REG_A6XX_SP_DS_CONFIG, 2); + OUT_RING(ring, COND(s[DS].v, A6XX_SP_DS_CONFIG_ENABLED)); /* SP_DS_CONFIG */ + OUT_RING(ring, s[DS].instrlen); /* SP_DS_INSTRLEN */ + + OUT_PKT4(ring, REG_A6XX_SP_GS_UNKNOWN_A871, 1); + OUT_RING(ring, 0); + + OUT_PKT4(ring, REG_A6XX_SP_GS_CONFIG, 2); + OUT_RING(ring, COND(s[GS].v, A6XX_SP_GS_CONFIG_ENABLED)); /* SP_GS_CONFIG */ + OUT_RING(ring, s[GS].instrlen); /* SP_GS_INSTRLEN */ + + OUT_PKT4(ring, REG_A6XX_SP_UNKNOWN_A99E, 1); + OUT_RING(ring, 0x7fc0); + + OUT_PKT4(ring, REG_A6XX_SP_UNKNOWN_A9A8, 1); + OUT_RING(ring, 0); + + OUT_PKT4(ring, REG_A6XX_SP_UNKNOWN_AB00, 1); + OUT_RING(ring, 0x5); + + tex = &ctx->tex[PIPE_SHADER_FRAGMENT]; + OUT_PKT4(ring, REG_A6XX_SP_FS_CONFIG, 2); + OUT_RING(ring, COND(s[FS].v, A6XX_SP_FS_CONFIG_ENABLED) | + A6XX_SP_FS_CONFIG_NTEX(tex->num_textures) | + A6XX_SP_FS_CONFIG_NSAMP(tex->num_samplers)); + /* SP_FS_CONFIG */ + OUT_RING(ring, s[FS].instrlen); /* SP_FS_INSTRLEN */ + + OUT_PKT4(ring, REG_A6XX_HLSQ_VS_CNTL, 4); + OUT_RING(ring, A6XX_HLSQ_VS_CNTL_CONSTLEN(align(s[VS].constlen, 4)) | 0x100); /* HLSQ_VS_CONSTLEN */ + OUT_RING(ring, A6XX_HLSQ_HS_CNTL_CONSTLEN(align(s[HS].constlen, 4))); /* HLSQ_HS_CONSTLEN */ + OUT_RING(ring, A6XX_HLSQ_DS_CNTL_CONSTLEN(align(s[DS].constlen, 4))); /* HLSQ_DS_CONSTLEN */ + OUT_RING(ring, A6XX_HLSQ_GS_CNTL_CONSTLEN(align(s[GS].constlen, 4))); /* HLSQ_GS_CONSTLEN */ + + OUT_PKT4(ring, REG_A6XX_HLSQ_FS_CNTL, 1); + OUT_RING(ring, s[FS].constlen | 0x100); /* HLSQ_FS_CONSTLEN */ + + OUT_PKT4(ring, REG_A6XX_SP_VS_CTRL_REG0, 1); + OUT_RING(ring, A6XX_SP_VS_CTRL_REG0_THREADSIZE(fssz) | + A6XX_SP_VS_CTRL_REG0_FULLREGFOOTPRINT(s[VS].i->max_reg + 1) | + A6XX_SP_VS_CTRL_REG0_MERGEDREGS | + A6XX_SP_VS_CTRL_REG0_BRANCHSTACK(0x3) | // XXX need to figure this out somehow.. + COND(s[VS].v->has_samp, A6XX_SP_VS_CTRL_REG0_PIXLODENABLE)); + + struct ir3_shader_linkage l = {0}; + ir3_link_shaders(&l, s[VS].v, s[FS].v); + + if ((s[VS].v->shader->stream_output.num_outputs > 0) && + !emit->key.binning_pass) + link_stream_out(&l, s[VS].v); + + BITSET_DECLARE(varbs, 128) = {0}; + uint32_t *varmask = (uint32_t *)varbs; + + for (i = 0; i < l.cnt; i++) + for (j = 0; j < util_last_bit(l.var[i].compmask); j++) + BITSET_SET(varbs, l.var[i].loc + j); + + OUT_PKT4(ring, REG_A6XX_VPC_VAR_DISABLE(0), 4); + OUT_RING(ring, ~varmask[0]); /* VPC_VAR[0].DISABLE */ + OUT_RING(ring, ~varmask[1]); /* VPC_VAR[1].DISABLE */ + OUT_RING(ring, ~varmask[2]); /* VPC_VAR[2].DISABLE */ + OUT_RING(ring, ~varmask[3]); /* VPC_VAR[3].DISABLE */ + + /* a6xx appends pos/psize to end of the linkage map: */ + if (pos_regid != regid(63,0)) + ir3_link_add(&l, pos_regid, 0xf, l.max_loc); + + if (psize_regid != regid(63,0)) { + psize_loc = l.max_loc; + ir3_link_add(&l, psize_regid, 0x1, l.max_loc); + } + +#if 0 + if ((s[VS].v->shader->stream_output.num_outputs > 0) && + !emit->key.binning_pass) { + emit_stream_out(ring, s[VS].v, &l); + + OUT_PKT4(ring, REG_A6XX_VPC_SO_OVERRIDE, 1); + OUT_RING(ring, 0x00000000); + } else { + OUT_PKT4(ring, REG_A6XX_VPC_SO_OVERRIDE, 1); + OUT_RING(ring, A6XX_VPC_SO_OVERRIDE_SO_DISABLE); + } +#endif + + for (i = 0, j = 0; (i < 16) && (j < l.cnt); i++) { + uint32_t reg = 0; + + OUT_PKT4(ring, REG_A6XX_SP_VS_OUT_REG(i), 1); + + reg |= A6XX_SP_VS_OUT_REG_A_REGID(l.var[j].regid); + reg |= A6XX_SP_VS_OUT_REG_A_COMPMASK(l.var[j].compmask); + j++; + + reg |= A6XX_SP_VS_OUT_REG_B_REGID(l.var[j].regid); + reg |= A6XX_SP_VS_OUT_REG_B_COMPMASK(l.var[j].compmask); + j++; + + OUT_RING(ring, reg); + } + + for (i = 0, j = 0; (i < 8) && (j < l.cnt); i++) { + uint32_t reg = 0; + + OUT_PKT4(ring, REG_A6XX_SP_VS_VPC_DST_REG(i), 1); + + reg |= A6XX_SP_VS_VPC_DST_REG_OUTLOC0(l.var[j++].loc); + reg |= A6XX_SP_VS_VPC_DST_REG_OUTLOC1(l.var[j++].loc); + reg |= A6XX_SP_VS_VPC_DST_REG_OUTLOC2(l.var[j++].loc); + reg |= A6XX_SP_VS_VPC_DST_REG_OUTLOC3(l.var[j++].loc); + + OUT_RING(ring, reg); + } + + OUT_PKT4(ring, REG_A6XX_SP_VS_OBJ_START_LO, 2); + OUT_RELOC(ring, s[VS].v->bo, 0, 0, 0); /* SP_VS_OBJ_START_LO/HI */ + + if (s[VS].instrlen) + fd6_emit_shader(ring, s[VS].v); + + // TODO depending on other bits in this reg (if any) set somewhere else? +#if 0 + OUT_PKT4(ring, REG_A6XX_PC_PRIM_VTX_CNTL, 1); + OUT_RING(ring, COND(s[VS].v->writes_psize, A6XX_PC_PRIM_VTX_CNTL_PSIZE)); +#endif + + OUT_PKT4(ring, REG_A6XX_SP_PRIMITIVE_CNTL, 1); + OUT_RING(ring, A6XX_SP_PRIMITIVE_CNTL_VSOUT(l.cnt)); + + bool enable_varyings = s[FS].v->total_in > 0; + + OUT_PKT4(ring, REG_A6XX_VPC_CNTL_0, 1); + OUT_RING(ring, A6XX_VPC_CNTL_0_NUMNONPOSVAR(s[FS].v->total_in) | + COND(enable_varyings, A6XX_VPC_CNTL_0_VARYING) | + 0xff00ff00); + + fd6_context(ctx)->max_loc = l.max_loc; + + OUT_PKT4(ring, REG_A6XX_PC_PRIMITIVE_CNTL_1, 1); + OUT_RING(ring, A6XX_PC_PRIMITIVE_CNTL_1_STRIDE_IN_VPC(l.max_loc) | + COND(psize_regid != regid(63,0), 0x100)); + + if (emit->key.binning_pass) { + OUT_PKT4(ring, REG_A6XX_SP_FS_OBJ_START_LO, 2); + OUT_RING(ring, 0x00000000); /* SP_FS_OBJ_START_LO */ + OUT_RING(ring, 0x00000000); /* SP_FS_OBJ_START_HI */ + } else { + OUT_PKT4(ring, REG_A6XX_SP_FS_OBJ_START_LO, 2); + OUT_RELOC(ring, s[FS].v->bo, 0, 0, 0); /* SP_FS_OBJ_START_LO/HI */ + } + + OUT_PKT4(ring, REG_A6XX_HLSQ_CONTROL_1_REG, 5); + OUT_RING(ring, 0x7); /* XXX */ + OUT_RING(ring, A6XX_HLSQ_CONTROL_2_REG_FACEREGID(face_regid) | + A6XX_HLSQ_CONTROL_2_REG_SAMPLEID(samp_id_regid) | + A6XX_HLSQ_CONTROL_2_REG_SAMPLEMASK(samp_mask_regid) | + 0xfc000000); /* XXX */ + OUT_RING(ring, A6XX_HLSQ_CONTROL_3_REG_FRAGCOORDXYREGID(vcoord_regid) | + 0xfcfcfc00); /* XXX */ + OUT_RING(ring, A6XX_HLSQ_CONTROL_4_REG_XYCOORDREGID(coord_regid) | + A6XX_HLSQ_CONTROL_4_REG_ZWCOORDREGID(zwcoord_regid) | + 0x0000fcfc); /* XXX */ + OUT_RING(ring, 0xfc); /* XXX */ + + OUT_PKT4(ring, REG_A6XX_HLSQ_UNKNOWN_B980, 1); + OUT_RING(ring, s[FS].v->total_in > 0 ? 3 : 1); + + OUT_PKT4(ring, REG_A6XX_SP_FS_CTRL_REG0, 1); + OUT_RING(ring, A6XX_SP_FS_CTRL_REG0_THREADSIZE(fssz) | + COND(s[FS].v->total_in > 0, A6XX_SP_FS_CTRL_REG0_VARYING) | + COND(s[FS].v->frag_coord, A6XX_SP_FS_CTRL_REG0_VARYING) | + 0x1000000 | + A6XX_SP_FS_CTRL_REG0_FULLREGFOOTPRINT(s[FS].i->max_reg + 1) | + A6XX_SP_FS_CTRL_REG0_MERGEDREGS | + A6XX_SP_FS_CTRL_REG0_BRANCHSTACK(0x3) | // XXX need to figure this out somehow.. + COND(s[FS].v->has_samp, A6XX_SP_FS_CTRL_REG0_PIXLODENABLE)); + + OUT_PKT4(ring, REG_A6XX_SP_UNKNOWN_A982, 1); + OUT_RING(ring, 0); /* XXX */ + + OUT_PKT4(ring, REG_A6XX_HLSQ_UPDATE_CNTL, 1); + OUT_RING(ring, 0xff); /* XXX */ + + OUT_PKT4(ring, REG_A6XX_VPC_GS_SIV_CNTL, 1); + OUT_RING(ring, 0x0000ffff); /* XXX */ + +#if 0 + OUT_PKT4(ring, REG_A6XX_SP_SP_CNTL, 1); + OUT_RING(ring, 0x00000010); /* XXX */ +#endif + + OUT_PKT4(ring, REG_A6XX_GRAS_CNTL, 1); + OUT_RING(ring, COND(enable_varyings, A6XX_GRAS_CNTL_VARYING) | + COND(s[FS].v->frag_coord, A6XX_GRAS_CNTL_XCOORD | + A6XX_GRAS_CNTL_YCOORD | + A6XX_GRAS_CNTL_ZCOORD | + A6XX_GRAS_CNTL_WCOORD)); + + OUT_PKT4(ring, REG_A6XX_RB_RENDER_CONTROL0, 2); + OUT_RING(ring, COND(enable_varyings, A6XX_RB_RENDER_CONTROL0_VARYING | + A6XX_RB_RENDER_CONTROL0_UNK10) | + COND(s[FS].v->frag_coord, A6XX_RB_RENDER_CONTROL0_XCOORD | + A6XX_RB_RENDER_CONTROL0_YCOORD | + A6XX_RB_RENDER_CONTROL0_ZCOORD | + A6XX_RB_RENDER_CONTROL0_WCOORD)); + OUT_RING(ring, COND(s[FS].v->frag_face, A6XX_RB_RENDER_CONTROL1_FACENESS)); + + OUT_PKT4(ring, REG_A6XX_SP_FS_OUTPUT_REG(0), 8); + for (i = 0; i < 8; i++) { + OUT_RING(ring, A6XX_SP_FS_OUTPUT_REG_REGID(color_regid[i]) | + COND(emit->key.half_precision, + A6XX_SP_FS_OUTPUT_REG_HALF_PRECISION)); + } + + OUT_PKT4(ring, REG_A6XX_VPC_PACK, 1); + OUT_RING(ring, A6XX_VPC_PACK_NUMNONPOSVAR(s[FS].v->total_in) | + A6XX_VPC_PACK_PSIZELOC(psize_loc) | + A6XX_VPC_PACK_STRIDE_IN_VPC(l.max_loc)); + + if (!emit->key.binning_pass) { + 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 a5xx (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 a5xx 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; + + uint32_t inloc = s[FS].v->inputs[j].inloc; + + 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++; + } + } + } + } + + OUT_PKT4(ring, REG_A6XX_VPC_VARYING_INTERP_MODE(0), 8); + for (i = 0; i < 8; i++) + OUT_RING(ring, vinterp[i]); /* VPC_VARYING_INTERP[i].MODE */ + + OUT_PKT4(ring, REG_A6XX_VPC_VARYING_PS_REPL_MODE(0), 8); + for (i = 0; i < 8; i++) + OUT_RING(ring, vpsrepl[i]); /* VPC_VARYING_PS_REPL[i] */ + } + + if (!emit->key.binning_pass) + if (s[FS].instrlen) + fd6_emit_shader(ring, s[FS].v); + + OUT_PKT4(ring, REG_A6XX_VFD_CONTROL_1, 6); + OUT_RING(ring, A6XX_VFD_CONTROL_1_REGID4VTX(vertex_regid) | + A6XX_VFD_CONTROL_1_REGID4INST(instance_regid) | + 0xfcfc0000); + OUT_RING(ring, 0x0000fcfc); /* VFD_CONTROL_2 */ + OUT_RING(ring, 0xfcfcfcfc); /* VFD_CONTROL_3 */ + OUT_RING(ring, 0x000000fc); /* VFD_CONTROL_4 */ + OUT_RING(ring, 0x0000fcfc); /* VFD_CONTROL_5 */ + OUT_RING(ring, 0x00000000); /* VFD_CONTROL_6 */ +} + +void +fd6_prog_init(struct pipe_context *pctx) +{ + pctx->create_fs_state = fd6_fp_state_create; + pctx->delete_fs_state = fd6_fp_state_delete; + + pctx->create_vs_state = fd6_vp_state_create; + pctx->delete_vs_state = fd6_vp_state_delete; + + fd_prog_init(pctx); +} |