/************************************************************************** * * Copyright 2009 VMware, Inc. * All Rights Reserved. * * 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, sub license, 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 NON-INFRINGEMENT. * IN NO EVENT SHALL VMWARE, INC AND/OR ITS SUPPLIERS 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. * **************************************************************************/ #include "pipe/p_context.h" #include "pipe/p_state.h" #include "tgsi/tgsi_ureg.h" #include "tgsi/tgsi_build.h" #include "tgsi/tgsi_info.h" #include "tgsi/tgsi_dump.h" #include "tgsi/tgsi_sanity.h" #include "util/u_memory.h" #include "util/u_math.h" union tgsi_any_token { struct tgsi_version version; struct tgsi_header header; struct tgsi_processor processor; struct tgsi_token token; struct tgsi_declaration decl; struct tgsi_declaration_range decl_range; struct tgsi_declaration_semantic decl_semantic; struct tgsi_immediate imm; union tgsi_immediate_data imm_data; struct tgsi_instruction insn; struct tgsi_instruction_ext_label insn_ext_label; struct tgsi_instruction_ext_texture insn_ext_texture; struct tgsi_instruction_ext_predicate insn_ext_predicate; struct tgsi_src_register src; struct tgsi_src_register_ext_mod src_ext_mod; struct tgsi_dimension dim; struct tgsi_dst_register dst; struct tgsi_dst_register_ext_modulate dst_ext_mod; unsigned value; }; struct ureg_tokens { union tgsi_any_token *tokens; unsigned size; unsigned order; unsigned count; }; #define UREG_MAX_INPUT PIPE_MAX_ATTRIBS #define UREG_MAX_OUTPUT PIPE_MAX_ATTRIBS #define UREG_MAX_CONSTANT_RANGE 32 #define UREG_MAX_IMMEDIATE 32 #define UREG_MAX_TEMP 256 #define UREG_MAX_ADDR 2 #define UREG_MAX_PRED 1 #define DOMAIN_DECL 0 #define DOMAIN_INSN 1 struct ureg_program { unsigned processor; struct pipe_context *pipe; struct { unsigned semantic_name; unsigned semantic_index; unsigned interp; } fs_input[UREG_MAX_INPUT]; unsigned nr_fs_inputs; unsigned vs_inputs[UREG_MAX_INPUT/32]; struct { unsigned semantic_name; unsigned semantic_index; } output[UREG_MAX_OUTPUT]; unsigned nr_outputs; struct { float v[4]; unsigned nr; } immediate[UREG_MAX_IMMEDIATE]; unsigned nr_immediates; struct ureg_src sampler[PIPE_MAX_SAMPLERS]; unsigned nr_samplers; unsigned temps_active[UREG_MAX_TEMP / 32]; unsigned nr_temps; struct { unsigned first; unsigned last; } constant_range[UREG_MAX_CONSTANT_RANGE]; unsigned nr_constant_ranges; unsigned nr_addrs; unsigned nr_preds; unsigned nr_instructions; struct ureg_tokens domain[2]; }; static union tgsi_any_token error_tokens[32]; static void tokens_error( struct ureg_tokens *tokens ) { if (tokens->tokens && tokens->tokens != error_tokens) FREE(tokens->tokens); tokens->tokens = error_tokens; tokens->size = Elements(error_tokens); tokens->count = 0; } static void tokens_expand( struct ureg_tokens *tokens, unsigned count ) { unsigned old_size = tokens->size * sizeof(unsigned); if (tokens->tokens == error_tokens) { return; } while (tokens->count + count > tokens->size) { tokens->size = (1 << ++tokens->order); } tokens->tokens = REALLOC(tokens->tokens, old_size, tokens->size * sizeof(unsigned)); if (tokens->tokens == NULL) { tokens_error(tokens); } } static void set_bad( struct ureg_program *ureg ) { tokens_error(&ureg->domain[0]); } static union tgsi_any_token *get_tokens( struct ureg_program *ureg, unsigned domain, unsigned count ) { struct ureg_tokens *tokens = &ureg->domain[domain]; union tgsi_any_token *result; if (tokens->count + count > tokens->size) tokens_expand(tokens, count); result = &tokens->tokens[tokens->count]; tokens->count += count; return result; } static union tgsi_any_token *retrieve_token( struct ureg_program *ureg, unsigned domain, unsigned nr ) { if (ureg->domain[domain].tokens == error_tokens) return &error_tokens[0]; return &ureg->domain[domain].tokens[nr]; } static INLINE struct ureg_dst ureg_dst_register( unsigned file, unsigned index ) { struct ureg_dst dst; dst.File = file; dst.WriteMask = TGSI_WRITEMASK_XYZW; dst.Indirect = 0; dst.IndirectIndex = 0; dst.IndirectSwizzle = 0; dst.Saturate = 0; dst.Predicate = 0; dst.PredNegate = 0; dst.PredSwizzleX = TGSI_SWIZZLE_X; dst.PredSwizzleY = TGSI_SWIZZLE_Y; dst.PredSwizzleZ = TGSI_SWIZZLE_Z; dst.PredSwizzleW = TGSI_SWIZZLE_W; dst.Index = index; return dst; } static INLINE struct ureg_src ureg_src_register( unsigned file, unsigned index ) { struct ureg_src src; src.File = file; src.SwizzleX = TGSI_SWIZZLE_X; src.SwizzleY = TGSI_SWIZZLE_Y; src.SwizzleZ = TGSI_SWIZZLE_Z; src.SwizzleW = TGSI_SWIZZLE_W; src.Pad = 0; src.Indirect = 0; src.IndirectIndex = 0; src.IndirectSwizzle = 0; src.Absolute = 0; src.Index = index; src.Negate = 0; return src; } struct ureg_src ureg_DECL_fs_input( struct ureg_program *ureg, unsigned name, unsigned index, unsigned interp_mode ) { unsigned i; for (i = 0; i < ureg->nr_fs_inputs; i++) { if (ureg->fs_input[i].semantic_name == name && ureg->fs_input[i].semantic_index == index) goto out; } if (ureg->nr_fs_inputs < UREG_MAX_INPUT) { ureg->fs_input[i].semantic_name = name; ureg->fs_input[i].semantic_index = index; ureg->fs_input[i].interp = interp_mode; ureg->nr_fs_inputs++; } else { set_bad( ureg ); } out: return ureg_src_register( TGSI_FILE_INPUT, i ); } struct ureg_src ureg_DECL_vs_input( struct ureg_program *ureg, unsigned index ) { assert(ureg->processor == TGSI_PROCESSOR_VERTEX); ureg->vs_inputs[index/32] |= 1 << (index % 32); return ureg_src_register( TGSI_FILE_INPUT, index ); } struct ureg_dst ureg_DECL_output( struct ureg_program *ureg, unsigned name, unsigned index ) { unsigned i; for (i = 0; i < ureg->nr_outputs; i++) { if (ureg->output[i].semantic_name == name && ureg->output[i].semantic_index == index) goto out; } if (ureg->nr_outputs < UREG_MAX_OUTPUT) { ureg->output[i].semantic_name = name; ureg->output[i].semantic_index = index; ureg->nr_outputs++; } else { set_bad( ureg ); } out: return ureg_dst_register( TGSI_FILE_OUTPUT, i ); } /* Returns a new constant register. Keep track of which have been * referred to so that we can emit decls later. * * There is nothing in this code to bind this constant to any tracked * value or manage any constant_buffer contents -- that's the * resposibility of the calling code. */ struct ureg_src ureg_DECL_constant(struct ureg_program *ureg, unsigned index ) { unsigned minconst = index, maxconst = index; unsigned i; /* Inside existing range? */ for (i = 0; i < ureg->nr_constant_ranges; i++) { if (ureg->constant_range[i].first <= index && ureg->constant_range[i].last >= index) goto out; } /* Extend existing range? */ for (i = 0; i < ureg->nr_constant_ranges; i++) { if (ureg->constant_range[i].last == index - 1) { ureg->constant_range[i].last = index; goto out; } if (ureg->constant_range[i].first == index + 1) { ureg->constant_range[i].first = index; goto out; } minconst = MIN2(minconst, ureg->constant_range[i].first); maxconst = MAX2(maxconst, ureg->constant_range[i].last); } /* Create new range? */ if (ureg->nr_constant_ranges < UREG_MAX_CONSTANT_RANGE) { i = ureg->nr_constant_ranges++; ureg->constant_range[i].first = index; ureg->constant_range[i].last = index; } /* Collapse all ranges down to one: */ i = 0; ureg->constant_range[0].first = minconst; ureg->constant_range[0].last = maxconst; ureg->nr_constant_ranges = 1; out: assert(i < ureg->nr_constant_ranges); assert(ureg->constant_range[i].first <= index); assert(ureg->constant_range[i].last >= index); return ureg_src_register( TGSI_FILE_CONSTANT, index ); } /* Allocate a new temporary. Temporaries greater than UREG_MAX_TEMP * are legal, but will not be released. */ struct ureg_dst ureg_DECL_temporary( struct ureg_program *ureg ) { unsigned i; for (i = 0; i < UREG_MAX_TEMP; i += 32) { int bit = ffs(~ureg->temps_active[i/32]); if (bit != 0) { i += bit - 1; goto out; } } /* No reusable temps, so allocate a new one: */ i = ureg->nr_temps++; out: if (i < UREG_MAX_TEMP) ureg->temps_active[i/32] |= 1 << (i % 32); if (i >= ureg->nr_temps) ureg->nr_temps = i + 1; return ureg_dst_register( TGSI_FILE_TEMPORARY, i ); } void ureg_release_temporary( struct ureg_program *ureg, struct ureg_dst tmp ) { if(tmp.File == TGSI_FILE_TEMPORARY) if (tmp.Index < UREG_MAX_TEMP) ureg->temps_active[tmp.Index/32] &= ~(1 << (tmp.Index % 32)); } /* Allocate a new address register. */ struct ureg_dst ureg_DECL_address( struct ureg_program *ureg ) { if (ureg->nr_addrs < UREG_MAX_ADDR) return ureg_dst_register( TGSI_FILE_ADDRESS, ureg->nr_addrs++ ); assert( 0 ); return ureg_dst_register( TGSI_FILE_ADDRESS, 0 ); } /* Allocate a new predicate register. */ struct ureg_dst ureg_DECL_predicate(struct ureg_program *ureg) { if (ureg->nr_preds < UREG_MAX_PRED) { return ureg_dst_register(TGSI_FILE_PREDICATE, ureg->nr_preds++); } assert(0); return ureg_dst_register(TGSI_FILE_PREDICATE, 0); } /* Allocate a new sampler. */ struct ureg_src ureg_DECL_sampler( struct ureg_program *ureg, unsigned nr ) { unsigned i; for (i = 0; i < ureg->nr_samplers; i++) if (ureg->sampler[i].Index == nr) return ureg->sampler[i]; if (i < PIPE_MAX_SAMPLERS) { ureg->sampler[i] = ureg_src_register( TGSI_FILE_SAMPLER, nr ); ureg->nr_samplers++; return ureg->sampler[i]; } assert( 0 ); return ureg->sampler[0]; } static int match_or_expand_immediate( const float *v, unsigned nr, float *v2, unsigned *nr2, unsigned *swizzle ) { unsigned i, j; *swizzle = 0; for (i = 0; i < nr; i++) { boolean found = FALSE; for (j = 0; j < *nr2 && !found; j++) { if (v[i] == v2[j]) { *swizzle |= j << (i * 2); found = TRUE; } } if (!found) { if (*nr2 >= 4) return FALSE; v2[*nr2] = v[i]; *swizzle |= *nr2 << (i * 2); (*nr2)++; } } return TRUE; } struct ureg_src ureg_DECL_immediate( struct ureg_program *ureg, const float *v, unsigned nr ) { unsigned i, j; unsigned swizzle; /* Could do a first pass where we examine all existing immediates * without expanding. */ for (i = 0; i < ureg->nr_immediates; i++) { if (match_or_expand_immediate( v, nr, ureg->immediate[i].v, &ureg->immediate[i].nr, &swizzle )) goto out; } if (ureg->nr_immediates < UREG_MAX_IMMEDIATE) { i = ureg->nr_immediates++; if (match_or_expand_immediate( v, nr, ureg->immediate[i].v, &ureg->immediate[i].nr, &swizzle )) goto out; } set_bad( ureg ); out: /* Make sure that all referenced elements are from this immediate. * Has the effect of making size-one immediates into scalars. */ for (j = nr; j < 4; j++) swizzle |= (swizzle & 0x3) << (j * 2); return ureg_swizzle( ureg_src_register( TGSI_FILE_IMMEDIATE, i ), (swizzle >> 0) & 0x3, (swizzle >> 2) & 0x3, (swizzle >> 4) & 0x3, (swizzle >> 6) & 0x3); } void ureg_emit_src( struct ureg_program *ureg, struct ureg_src src ) { unsigned size = (1 + (src.Absolute ? 1 : 0) + (src.Indirect ? 1 : 0)); union tgsi_any_token *out = get_tokens( ureg, DOMAIN_INSN, size ); unsigned n = 0; assert(src.File != TGSI_FILE_NULL); assert(src.File != TGSI_FILE_OUTPUT); assert(src.File < TGSI_FILE_COUNT); out[n].value = 0; out[n].src.File = src.File; out[n].src.SwizzleX = src.SwizzleX; out[n].src.SwizzleY = src.SwizzleY; out[n].src.SwizzleZ = src.SwizzleZ; out[n].src.SwizzleW = src.SwizzleW; out[n].src.Index = src.Index; out[n].src.Negate = src.Negate; n++; if (src.Absolute) { out[0].src.Extended = 1; out[0].src.Negate = 0; out[n].value = 0; out[n].src_ext_mod.Type = TGSI_SRC_REGISTER_EXT_TYPE_MOD; out[n].src_ext_mod.Absolute = 1; out[n].src_ext_mod.Negate = src.Negate; n++; } if (src.Indirect) { out[0].src.Indirect = 1; out[n].value = 0; out[n].src.File = TGSI_FILE_ADDRESS; out[n].src.SwizzleX = src.IndirectSwizzle; out[n].src.SwizzleY = src.IndirectSwizzle; out[n].src.SwizzleZ = src.IndirectSwizzle; out[n].src.SwizzleW = src.IndirectSwizzle; out[n].src.Index = src.IndirectIndex; n++; } assert(n == size); } void ureg_emit_dst( struct ureg_program *ureg, struct ureg_dst dst ) { unsigned size = (1 + (dst.Indirect ? 1 : 0)); union tgsi_any_token *out = get_tokens( ureg, DOMAIN_INSN, size ); unsigned n = 0; assert(dst.File != TGSI_FILE_NULL); assert(dst.File != TGSI_FILE_CONSTANT); assert(dst.File != TGSI_FILE_INPUT); assert(dst.File != TGSI_FILE_SAMPLER); assert(dst.File != TGSI_FILE_IMMEDIATE); assert(dst.File < TGSI_FILE_COUNT); out[n].value = 0; out[n].dst.File = dst.File; out[n].dst.WriteMask = dst.WriteMask; out[n].dst.Indirect = dst.Indirect; out[n].dst.Index = dst.Index; n++; if (dst.Indirect) { out[n].value = 0; out[n].src.File = TGSI_FILE_ADDRESS; out[n].src.SwizzleX = dst.IndirectSwizzle; out[n].src.SwizzleY = dst.IndirectSwizzle; out[n].src.SwizzleZ = dst.IndirectSwizzle; out[n].src.SwizzleW = dst.IndirectSwizzle; out[n].src.Index = dst.IndirectIndex; n++; } assert(n == size); } static void validate( unsigned opcode, unsigned nr_dst, unsigned nr_src ) { #ifdef DEBUG const struct tgsi_opcode_info *info = tgsi_get_opcode_info( opcode ); assert(info); if(info) { assert(nr_dst == info->num_dst); assert(nr_src == info->num_src); } #endif } struct ureg_emit_insn_result ureg_emit_insn(struct ureg_program *ureg, unsigned opcode, boolean saturate, boolean predicate, boolean pred_negate, unsigned pred_swizzle_x, unsigned pred_swizzle_y, unsigned pred_swizzle_z, unsigned pred_swizzle_w, unsigned num_dst, unsigned num_src ) { union tgsi_any_token *out; uint count = predicate ? 2 : 1; struct ureg_emit_insn_result result; validate( opcode, num_dst, num_src ); out = get_tokens( ureg, DOMAIN_INSN, count ); out[0].value = 0; out[0].insn.Type = TGSI_TOKEN_TYPE_INSTRUCTION; out[0].insn.NrTokens = 0; out[0].insn.Opcode = opcode; out[0].insn.Saturate = saturate; out[0].insn.NumDstRegs = num_dst; out[0].insn.NumSrcRegs = num_src; out[0].insn.Padding = 0; result.insn_token = ureg->domain[DOMAIN_INSN].count - count; if (predicate) { out[0].insn.Extended = 1; out[1].insn_ext_predicate = tgsi_default_instruction_ext_predicate(); out[1].insn_ext_predicate.Negate = pred_negate; out[1].insn_ext_predicate.SwizzleX = pred_swizzle_x; out[1].insn_ext_predicate.SwizzleY = pred_swizzle_y; out[1].insn_ext_predicate.SwizzleZ = pred_swizzle_z; out[1].insn_ext_predicate.SwizzleW = pred_swizzle_w; result.extended_token = result.insn_token + 1; } else { out[0].insn.Extended = 0; result.extended_token = result.insn_token; } ureg->nr_instructions++; return result; } void ureg_emit_label(struct ureg_program *ureg, unsigned extended_token, unsigned *label_token ) { union tgsi_any_token *out, *insn; if(!label_token) return; out = get_tokens( ureg, DOMAIN_INSN, 1 ); insn = retrieve_token( ureg, DOMAIN_INSN, extended_token ); insn->token.Extended = 1; out[0].value = 0; out[0].insn_ext_label.Type = TGSI_INSTRUCTION_EXT_TYPE_LABEL; *label_token = ureg->domain[DOMAIN_INSN].count - 1; } /* Will return a number which can be used in a label to point to the * next instruction to be emitted. */ unsigned ureg_get_instruction_number( struct ureg_program *ureg ) { return ureg->nr_instructions; } /* Patch a given label (expressed as a token number) to point to a * given instruction (expressed as an instruction number). */ void ureg_fixup_label(struct ureg_program *ureg, unsigned label_token, unsigned instruction_number ) { union tgsi_any_token *out = retrieve_token( ureg, DOMAIN_INSN, label_token ); assert(out->insn_ext_label.Type == TGSI_INSTRUCTION_EXT_TYPE_LABEL); out->insn_ext_label.Label = instruction_number; } void ureg_emit_texture(struct ureg_program *ureg, unsigned extended_token, unsigned target ) { union tgsi_any_token *out, *insn; out = get_tokens( ureg, DOMAIN_INSN, 1 ); insn = retrieve_token( ureg, DOMAIN_INSN, extended_token ); insn->token.Extended = 1; out[0].value = 0; out[0].insn_ext_texture.Type = TGSI_INSTRUCTION_EXT_TYPE_TEXTURE; out[0].insn_ext_texture.Texture = target; } void ureg_fixup_insn_size(struct ureg_program *ureg, unsigned insn ) { union tgsi_any_token *out = retrieve_token( ureg, DOMAIN_INSN, insn ); assert(out->insn.Type == TGSI_TOKEN_TYPE_INSTRUCTION); out->insn.NrTokens = ureg->domain[DOMAIN_INSN].count - insn - 1; } void ureg_insn(struct ureg_program *ureg, unsigned opcode, const struct ureg_dst *dst, unsigned nr_dst, const struct ureg_src *src, unsigned nr_src ) { struct ureg_emit_insn_result insn; unsigned i; boolean saturate; boolean predicate; boolean negate = FALSE; unsigned swizzle[4] = { 0 }; saturate = nr_dst ? dst[0].Saturate : FALSE; predicate = nr_dst ? dst[0].Predicate : FALSE; if (predicate) { negate = dst[0].PredNegate; swizzle[0] = dst[0].PredSwizzleX; swizzle[1] = dst[0].PredSwizzleY; swizzle[2] = dst[0].PredSwizzleZ; swizzle[3] = dst[0].PredSwizzleW; } insn = ureg_emit_insn(ureg, opcode, saturate, predicate, negate, swizzle[0], swizzle[1], swizzle[2], swizzle[3], nr_dst, nr_src); for (i = 0; i < nr_dst; i++) ureg_emit_dst( ureg, dst[i] ); for (i = 0; i < nr_src; i++) ureg_emit_src( ureg, src[i] ); ureg_fixup_insn_size( ureg, insn.insn_token ); } void ureg_tex_insn(struct ureg_program *ureg, unsigned opcode, const struct ureg_dst *dst, unsigned nr_dst, unsigned target, const struct ureg_src *src, unsigned nr_src ) { struct ureg_emit_insn_result insn; unsigned i; boolean saturate; boolean predicate; boolean negate = FALSE; unsigned swizzle[4] = { 0 }; saturate = nr_dst ? dst[0].Saturate : FALSE; predicate = nr_dst ? dst[0].Predicate : FALSE; if (predicate) { negate = dst[0].PredNegate; swizzle[0] = dst[0].PredSwizzleX; swizzle[1] = dst[0].PredSwizzleY; swizzle[2] = dst[0].PredSwizzleZ; swizzle[3] = dst[0].PredSwizzleW; } insn = ureg_emit_insn(ureg, opcode, saturate, predicate, negate, swizzle[0], swizzle[1], swizzle[2], swizzle[3], nr_dst, nr_src); ureg_emit_texture( ureg, insn.extended_token, target ); for (i = 0; i < nr_dst; i++) ureg_emit_dst( ureg, dst[i] ); for (i = 0; i < nr_src; i++) ureg_emit_src( ureg, src[i] ); ureg_fixup_insn_size( ureg, insn.insn_token ); } void ureg_label_insn(struct ureg_program *ureg, unsigned opcode, const struct ureg_src *src, unsigned nr_src, unsigned *label_token ) { struct ureg_emit_insn_result insn; unsigned i; insn = ureg_emit_insn(ureg, opcode, FALSE, FALSE, FALSE, TGSI_SWIZZLE_X, TGSI_SWIZZLE_Y, TGSI_SWIZZLE_Z, TGSI_SWIZZLE_W, 0, nr_src); ureg_emit_label( ureg, insn.extended_token, label_token ); for (i = 0; i < nr_src; i++) ureg_emit_src( ureg, src[i] ); ureg_fixup_insn_size( ureg, insn.insn_token ); } static void emit_decl( struct ureg_program *ureg, unsigned file, unsigned index, unsigned semantic_name, unsigned semantic_index, unsigned interp ) { union tgsi_any_token *out = get_tokens( ureg, DOMAIN_DECL, 3 ); out[0].value = 0; out[0].decl.Type = TGSI_TOKEN_TYPE_DECLARATION; out[0].decl.NrTokens = 3; out[0].decl.File = file; out[0].decl.UsageMask = TGSI_WRITEMASK_XYZW; /* FIXME! */ out[0].decl.Interpolate = interp; out[0].decl.Semantic = 1; out[1].value = 0; out[1].decl_range.First = out[1].decl_range.Last = index; out[2].value = 0; out[2].decl_semantic.SemanticName = semantic_name; out[2].decl_semantic.SemanticIndex = semantic_index; } static void emit_decl_range( struct ureg_program *ureg, unsigned file, unsigned first, unsigned count ) { union tgsi_any_token *out = get_tokens( ureg, DOMAIN_DECL, 2 ); out[0].value = 0; out[0].decl.Type = TGSI_TOKEN_TYPE_DECLARATION; out[0].decl.NrTokens = 2; out[0].decl.File = file; out[0].decl.UsageMask = 0xf; out[0].decl.Interpolate = TGSI_INTERPOLATE_CONSTANT; out[0].decl.Semantic = 0; out[1].value = 0; out[1].decl_range.First = first; out[1].decl_range.Last = first + count - 1; } static void emit_immediate( struct ureg_program *ureg, const float *v ) { union tgsi_any_token *out = get_tokens( ureg, DOMAIN_DECL, 5 ); out[0].value = 0; out[0].imm.Type = TGSI_TOKEN_TYPE_IMMEDIATE; out[0].imm.NrTokens = 5; out[0].imm.DataType = TGSI_IMM_FLOAT32; out[0].imm.Padding = 0; out[0].imm.Extended = 0; out[1].imm_data.Float = v[0]; out[2].imm_data.Float = v[1]; out[3].imm_data.Float = v[2]; out[4].imm_data.Float = v[3]; } static void emit_decls( struct ureg_program *ureg ) { unsigned i; if (ureg->processor == TGSI_PROCESSOR_VERTEX) { for (i = 0; i < UREG_MAX_INPUT; i++) { if (ureg->vs_inputs[i/32] & (1 << (i%32))) { emit_decl_range( ureg, TGSI_FILE_INPUT, i, 1 ); } } } else { for (i = 0; i < ureg->nr_fs_inputs; i++) { emit_decl( ureg, TGSI_FILE_INPUT, i, ureg->fs_input[i].semantic_name, ureg->fs_input[i].semantic_index, ureg->fs_input[i].interp ); } } for (i = 0; i < ureg->nr_outputs; i++) { emit_decl( ureg, TGSI_FILE_OUTPUT, i, ureg->output[i].semantic_name, ureg->output[i].semantic_index, TGSI_INTERPOLATE_CONSTANT ); } for (i = 0; i < ureg->nr_samplers; i++) { emit_decl_range( ureg, TGSI_FILE_SAMPLER, ureg->sampler[i].Index, 1 ); } if (ureg->nr_constant_ranges) { for (i = 0; i < ureg->nr_constant_ranges; i++) emit_decl_range( ureg, TGSI_FILE_CONSTANT, ureg->constant_range[i].first, (ureg->constant_range[i].last + 1 - ureg->constant_range[i].first) ); } if (ureg->nr_temps) { emit_decl_range( ureg, TGSI_FILE_TEMPORARY, 0, ureg->nr_temps ); } if (ureg->nr_addrs) { emit_decl_range( ureg, TGSI_FILE_ADDRESS, 0, ureg->nr_addrs ); } if (ureg->nr_preds) { emit_decl_range(ureg, TGSI_FILE_PREDICATE, 0, ureg->nr_preds); } for (i = 0; i < ureg->nr_immediates; i++) { emit_immediate( ureg, ureg->immediate[i].v ); } } /* Append the instruction tokens onto the declarations to build a * contiguous stream suitable to send to the driver. */ static void copy_instructions( struct ureg_program *ureg ) { unsigned nr_tokens = ureg->domain[DOMAIN_INSN].count; union tgsi_any_token *out = get_tokens( ureg, DOMAIN_DECL, nr_tokens ); memcpy(out, ureg->domain[DOMAIN_INSN].tokens, nr_tokens * sizeof out[0] ); } static void fixup_header_size(struct ureg_program *ureg) { union tgsi_any_token *out = retrieve_token( ureg, DOMAIN_DECL, 1 ); out->header.BodySize = ureg->domain[DOMAIN_DECL].count - 3; } static void emit_header( struct ureg_program *ureg ) { union tgsi_any_token *out = get_tokens( ureg, DOMAIN_DECL, 3 ); out[0].version.MajorVersion = 1; out[0].version.MinorVersion = 1; out[0].version.Padding = 0; out[1].header.HeaderSize = 2; out[1].header.BodySize = 0; out[2].processor.Processor = ureg->processor; out[2].processor.Padding = 0; } const struct tgsi_token *ureg_finalize( struct ureg_program *ureg ) { const struct tgsi_token *tokens; emit_header( ureg ); emit_decls( ureg ); copy_instructions( ureg ); fixup_header_size( ureg ); if (ureg->domain[0].tokens == error_tokens || ureg->domain[1].tokens == error_tokens) { debug_printf("%s: error in generated shader\n", __FUNCTION__); assert(0); return NULL; } tokens = &ureg->domain[DOMAIN_DECL].tokens[0].token; if (0) { debug_printf("%s: emitted shader %d tokens:\n", __FUNCTION__, ureg->domain[DOMAIN_DECL].count); tgsi_dump( tokens, 0 ); } #if DEBUG if (tokens && !tgsi_sanity_check(tokens)) { debug_printf("tgsi_ureg.c, sanity check failed on generated tokens:\n"); tgsi_dump(tokens, 0); assert(0); } #endif return tokens; } void *ureg_create_shader( struct ureg_program *ureg, struct pipe_context *pipe ) { struct pipe_shader_state state; state.tokens = ureg_finalize(ureg); if(!state.tokens) return NULL; if (ureg->processor == TGSI_PROCESSOR_VERTEX) return pipe->create_vs_state( pipe, &state ); else return pipe->create_fs_state( pipe, &state ); } const struct tgsi_token *ureg_get_tokens( struct ureg_program *ureg, unsigned *nr_tokens ) { const struct tgsi_token *tokens; ureg_finalize(ureg); tokens = &ureg->domain[DOMAIN_DECL].tokens[0].token; if (nr_tokens) *nr_tokens = ureg->domain[DOMAIN_DECL].size; ureg->domain[DOMAIN_DECL].tokens = 0; ureg->domain[DOMAIN_DECL].size = 0; ureg->domain[DOMAIN_DECL].order = 0; ureg->domain[DOMAIN_DECL].count = 0; return tokens; } struct ureg_program *ureg_create( unsigned processor ) { struct ureg_program *ureg = CALLOC_STRUCT( ureg_program ); if (ureg == NULL) return NULL; ureg->processor = processor; return ureg; } void ureg_destroy( struct ureg_program *ureg ) { unsigned i; for (i = 0; i < Elements(ureg->domain); i++) { if (ureg->domain[i].tokens && ureg->domain[i].tokens != error_tokens) FREE(ureg->domain[i].tokens); } FREE(ureg); }