/* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */ /* * 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_memory.h" #include "util/u_inlines.h" #include "util/u_format.h" #include "freedreno_program.h" #include "fd3_program.h" #include "fd3_emit.h" #include "fd3_texture.h" #include "fd3_format.h" static void delete_shader_stateobj(struct fd3_shader_stateobj *so) { ir3_shader_destroy(so->shader); free(so); } static struct fd3_shader_stateobj * create_shader_stateobj(struct pipe_context *pctx, const struct pipe_shader_state *cso, enum shader_t type) { struct fd3_shader_stateobj *so = CALLOC_STRUCT(fd3_shader_stateobj); so->shader = ir3_shader_create(pctx, cso->tokens, type); return so; } static void * fd3_fp_state_create(struct pipe_context *pctx, const struct pipe_shader_state *cso) { return create_shader_stateobj(pctx, cso, SHADER_FRAGMENT); } static void fd3_fp_state_delete(struct pipe_context *pctx, void *hwcso) { struct fd3_shader_stateobj *so = hwcso; delete_shader_stateobj(so); } static void * fd3_vp_state_create(struct pipe_context *pctx, const struct pipe_shader_state *cso) { return create_shader_stateobj(pctx, cso, SHADER_VERTEX); } static void fd3_vp_state_delete(struct pipe_context *pctx, void *hwcso) { struct fd3_shader_stateobj *so = hwcso; delete_shader_stateobj(so); } 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 == 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, color_regid[4] = {0}; int constmode; int i, j, k; 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 (int 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; assert(idx < 4); 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); } } /* TODO: Figure out if there's a way to make it spit out 0's and * 1's for the .z and .w components. */ if (emit->sprite_coord_enable & (1 << sem2idx(fp->inputs[j].semantic))) vpsrepl[inloc / 16] |= (emit->sprite_coord_mode ? 0x0d : 0x09) << ((inloc % 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 */ } OUT_PKT0(ring, REG_A3XX_VFD_VS_THREADING_THRESHOLD, 1); OUT_RING(ring, A3XX_VFD_VS_THREADING_THRESHOLD_REGID_THRESHOLD(15) | A3XX_VFD_VS_THREADING_THRESHOLD_REGID_VTXCNT(252)); 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 fd3_prog_init(struct pipe_context *pctx) { pctx->create_fs_state = fd3_fp_state_create; pctx->delete_fs_state = fd3_fp_state_delete; pctx->create_vs_state = fd3_vp_state_create; pctx->delete_vs_state = fd3_vp_state_delete; fd_prog_init(pctx); }