/* * Copyright (C) 2013 Rob Clark * * 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 */ #include "pipe/p_state.h" #include "util/u_string.h" #include "util/u_math.h" #include "util/u_memory.h" #include "util/u_inlines.h" #include "util/format/u_format.h" #include "freedreno_program.h" #include "fd3_program.h" #include "fd3_emit.h" #include "fd3_texture.h" #include "fd3_format.h" bool fd3_needs_manual_clipping(const struct ir3_shader *shader, const struct pipe_rasterizer_state *rast) { uint64_t outputs = ir3_shader_outputs(shader); return (!rast->depth_clip_near || util_bitcount(rast->clip_plane_enable) > 6 || outputs & ((1ULL << VARYING_SLOT_CLIP_VERTEX) | (1ULL << VARYING_SLOT_CLIP_DIST0) | (1ULL << VARYING_SLOT_CLIP_DIST1))); } static void emit_shader(struct fd_ringbuffer *ring, const struct ir3_shader_variant *so) { const struct ir3_info *si = &so->info; enum adreno_state_block sb; enum adreno_state_src src; uint32_t i, sz, *bin; if (so->type == MESA_SHADER_VERTEX) { sb = SB_VERT_SHADER; } else { sb = SB_FRAG_SHADER; } if (fd_mesa_debug & FD_DBG_DIRECT) { sz = si->sizedwords; src = SS_DIRECT; bin = fd_bo_map(so->bo); } else { sz = 0; src = SS_INDIRECT; bin = NULL; } OUT_PKT3(ring, CP_LOAD_STATE, 2 + sz); OUT_RING(ring, CP_LOAD_STATE_0_DST_OFF(0) | CP_LOAD_STATE_0_STATE_SRC(src) | CP_LOAD_STATE_0_STATE_BLOCK(sb) | CP_LOAD_STATE_0_NUM_UNIT(so->instrlen)); if (bin) { OUT_RING(ring, CP_LOAD_STATE_1_EXT_SRC_ADDR(0) | CP_LOAD_STATE_1_STATE_TYPE(ST_SHADER)); } else { OUT_RELOC(ring, so->bo, 0, CP_LOAD_STATE_1_STATE_TYPE(ST_SHADER), 0); } for (i = 0; i < sz; i++) { OUT_RING(ring, bin[i]); } } 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; uint32_t ij_regid[4], face_regid, coord_regid, zwcoord_regid; uint32_t color_regid[4] = {0}; int constmode; int i, j; 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); } face_regid = ir3_find_sysval_regid(fp, SYSTEM_VALUE_FRONT_FACE); coord_regid = ir3_find_sysval_regid(fp, SYSTEM_VALUE_FRAG_COORD); zwcoord_regid = (coord_regid == regid(63,0)) ? regid(63,0) : (coord_regid + 2); ij_regid[0] = ir3_find_sysval_regid(fp, SYSTEM_VALUE_BARYCENTRIC_PERSP_PIXEL); ij_regid[1] = ir3_find_sysval_regid(fp, SYSTEM_VALUE_BARYCENTRIC_LINEAR_PIXEL); ij_regid[2] = ir3_find_sysval_regid(fp, SYSTEM_VALUE_BARYCENTRIC_PERSP_CENTROID); ij_regid[3] = ir3_find_sysval_regid(fp, SYSTEM_VALUE_BARYCENTRIC_LINEAR_CENTROID); /* 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_FSSUPERTHREADENABLE | 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 | A3XX_HLSQ_CONTROL_1_REG_FRAGCOORDXYREGID(coord_regid) | A3XX_HLSQ_CONTROL_1_REG_FRAGCOORDZWREGID(zwcoord_regid)); OUT_RING(ring, A3XX_HLSQ_CONTROL_2_REG_PRIMALLOCTHRESHOLD(31) | A3XX_HLSQ_CONTROL_2_REG_FACENESSREGID(face_regid)); OUT_RING(ring, A3XX_HLSQ_CONTROL_3_REG_IJPERSPCENTERREGID(ij_regid[0]) | A3XX_HLSQ_CONTROL_3_REG_IJNONPERSPCENTERREGID(ij_regid[1]) | A3XX_HLSQ_CONTROL_3_REG_IJPERSPCENTROIDREGID(ij_regid[2]) | A3XX_HLSQ_CONTROL_3_REG_IJNONPERSPCENTROIDREGID(ij_regid[3])); 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->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)); struct ir3_shader_linkage l = {0}; ir3_link_shaders(&l, vp, fp, false); for (i = 0, j = 0; (i < 16) && (j < l.cnt); i++) { uint32_t reg = 0; OUT_PKT0(ring, REG_A3XX_SP_VS_OUT_REG(i), 1); reg |= A3XX_SP_VS_OUT_REG_A_REGID(l.var[j].regid); reg |= A3XX_SP_VS_OUT_REG_A_COMPMASK(l.var[j].compmask); j++; reg |= A3XX_SP_VS_OUT_REG_B_REGID(l.var[j].regid); reg |= A3XX_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_PKT0(ring, REG_A3XX_SP_VS_VPC_DST_REG(i), 1); reg |= A3XX_SP_VS_VPC_DST_REG_OUTLOC0(l.var[j++].loc + 8); reg |= A3XX_SP_VS_VPC_DST_REG_OUTLOC1(l.var[j++].loc + 8); reg |= A3XX_SP_VS_VPC_DST_REG_OUTLOC2(l.var[j++].loc + 8); reg |= A3XX_SP_VS_VPC_DST_REG_OUTLOC3(l.var[j++].loc + 8); 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->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->need_pixlod, 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(color_regid[i] & HALF_REG_ID, 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->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; uint32_t inloc = fp->inputs[j].inloc; if (fp->inputs[j].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++; } } } bool coord_mode = emit->sprite_coord_mode; if (ir3_point_sprite(fp, j, emit->sprite_coord_enable, &coord_mode)) { /* mask is two 2-bit fields, where: * '01' -> S * '10' -> T * '11' -> 1 - T (flip mode) */ unsigned mask = 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_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->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 fd3_prog_init(struct pipe_context *pctx) { ir3_prog_init(pctx); fd_prog_init(pctx); }