--- /dev/null
+/**************************************************************************
+ *
+ * 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_dump.h"
+#include "util/u_memory.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_nv insn_ext_nv;
+ 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_swz src_ext_swz;
+ struct tgsi_src_register_ext_mod src_ext_mod;
+ struct tgsi_dimension dim;
+ struct tgsi_dst_register dst;
+ struct tgsi_dst_register_ext_concode dst_ext_code;
+ struct tgsi_dst_register_ext_modulate dst_ext_mod;
+ struct tgsi_dst_register_ext_predicate dst_ext_pred;
+ 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_IMMEDIATE 32
+
+#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;
+ } input[UREG_MAX_INPUT];
+ unsigned nr_inputs;
+
+ struct {
+ unsigned semantic_name;
+ unsigned semantic_index;
+ } output[UREG_MAX_OUTPUT];
+ unsigned nr_outputs;
+
+ struct {
+ float v[4];
+ unsigned nr;
+ } immediate[UREG_MAX_OUTPUT];
+ unsigned nr_immediates;
+
+
+ unsigned nr_constants;
+ unsigned nr_temps;
+ unsigned nr_samplers;
+
+ struct ureg_tokens domain[2];
+};
+
+static union tgsi_any_token error_tokens[32];
+
+static void tokens_error( struct ureg_tokens *tokens )
+{
+ tokens->tokens = error_tokens;
+ tokens->size = Elements(error_tokens);
+ tokens->count = 0;
+}
+
+
+static void tokens_expand( struct ureg_tokens *tokens,
+ unsigned count )
+{
+ union tgsi_any_token *tmp;
+
+ if (tokens->tokens == error_tokens)
+ goto fail;
+
+ while (tokens->count + count > tokens->size) {
+ tokens->size = (1 << ++tokens->order);
+ }
+
+ tmp = MALLOC(tokens->size * sizeof(unsigned));
+ if (tmp == NULL) {
+ FREE(tokens->tokens);
+ goto fail;
+ }
+
+ if (tokens->count) {
+ memcpy(tmp, tokens->tokens, tokens->count * sizeof tokens->tokens[0] );
+ FREE(tokens->tokens);
+ }
+
+ tokens->tokens = tmp;
+ return;
+
+fail:
+ 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.Saturate = 0;
+ dst.Index = index;
+ dst.Pad1 = 0;
+ dst.Pad2 = 0;
+
+ 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.Absolute = 0;
+ src.Index = index;
+ src.Negate = 0;
+
+ return src;
+}
+
+
+
+
+static struct ureg_src
+ureg_DECL_input( struct ureg_program *ureg,
+ unsigned name,
+ unsigned index,
+ unsigned interp_mode )
+{
+ unsigned i;
+
+ for (i = 0; i < ureg->nr_inputs; i++) {
+ if (ureg->input[i].semantic_name == name &&
+ ureg->input[i].semantic_index == index)
+ goto out;
+ }
+
+ if (ureg->nr_inputs < UREG_MAX_INPUT) {
+ ureg->input[i].semantic_name = name;
+ ureg->input[i].semantic_index = index;
+ ureg->input[i].interp = interp_mode;
+ ureg->nr_inputs++;
+ }
+ else {
+ set_bad( ureg );
+ }
+
+out:
+ return ureg_src_register( TGSI_FILE_INPUT, i );
+}
+
+
+
+struct ureg_src
+ureg_DECL_fs_input( struct ureg_program *ureg,
+ unsigned name,
+ unsigned index,
+ unsigned interp )
+{
+ return ureg_DECL_input( ureg, name, index, interp );
+}
+
+
+struct ureg_src
+ureg_DECL_vs_input( struct ureg_program *ureg,
+ unsigned name,
+ unsigned index )
+{
+ return ureg_DECL_input( ureg, name, index, TGSI_INTERPOLATE_CONSTANT );
+}
+
+
+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 )
+{
+ return ureg_src_register( TGSI_FILE_TEMPORARY, ureg->nr_constants++ );
+}
+
+
+/* Allocate a new temporary. No way to release temporaries in this code.
+ */
+struct ureg_dst ureg_DECL_temporary( struct ureg_program *ureg )
+{
+ return ureg_dst_register( TGSI_FILE_TEMPORARY, ureg->nr_temps++ );
+}
+
+
+/* Allocate a new sampler.
+ */
+struct ureg_src ureg_DECL_sampler( struct ureg_program *ureg )
+{
+ return ureg_src_register( TGSI_FILE_SAMPLER, ureg->nr_samplers++ );
+}
+
+
+
+
+static int match_or_expand_immediate( const float *v,
+ unsigned nr,
+ float *v2,
+ unsigned *nr2,
+ unsigned *swizzle )
+{
+ unsigned i, j;
+
+ 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;
+ 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:
+ 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;
+
+ 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.Indirect = src.Indirect;
+ out[n].src.Index = src.Index;
+ n++;
+
+ if (src.Absolute) {
+ out[n].value = 0;
+ out[n].src_ext_mod.Absolute = 1;
+ n++;
+ }
+
+ if (src.Indirect) {
+ out[n].value = 0;
+ out[n].src.File = TGSI_FILE_ADDRESS;
+ out[n].src.SwizzleX = TGSI_SWIZZLE_X;
+ out[n].src.SwizzleY = TGSI_SWIZZLE_X;
+ out[n].src.SwizzleZ = TGSI_SWIZZLE_X;
+ out[n].src.SwizzleW = TGSI_SWIZZLE_X;
+ out[n].src.Indirect = 0;
+ out[n].src.Index = 0;
+ 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;
+
+ 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 = TGSI_SWIZZLE_X;
+ out[n].src.SwizzleY = TGSI_SWIZZLE_X;
+ out[n].src.SwizzleZ = TGSI_SWIZZLE_X;
+ out[n].src.SwizzleW = TGSI_SWIZZLE_X;
+ out[n].src.Indirect = 0;
+ out[n].src.Index = 0;
+ n++;
+ }
+
+ assert(n == size);
+}
+
+
+
+unsigned
+ureg_emit_insn(struct ureg_program *ureg,
+ unsigned opcode,
+ boolean saturate,
+ unsigned num_dst,
+ unsigned num_src )
+{
+ union tgsi_any_token *out;
+
+ out = get_tokens( ureg, DOMAIN_INSN, 1 );
+ 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.NrTokens = 0;
+ out[0].insn.NumDstRegs = num_dst;
+ out[0].insn.NumSrcRegs = num_src;
+ out[0].insn.Padding = 0;
+ out[0].insn.Extended = 0;
+
+ return ureg->domain[DOMAIN_INSN].count - 1;
+}
+
+
+void
+ureg_emit_label(struct ureg_program *ureg,
+ unsigned insn_token,
+ unsigned *label_token )
+{
+ union tgsi_any_token *out, *insn;
+
+ out = get_tokens( ureg, DOMAIN_INSN, 1 );
+ insn = retrieve_token( ureg, DOMAIN_INSN, insn_token );
+
+ insn->insn.Extended = 1;
+
+ out[0].value = 0;
+ out[0].insn_ext_label.Type = TGSI_INSTRUCTION_EXT_TYPE_LABEL;
+}
+
+
+void
+ureg_emit_texture(struct ureg_program *ureg,
+ unsigned insn_token,
+ unsigned target )
+{
+ union tgsi_any_token *out, *insn;
+
+ out = get_tokens( ureg, DOMAIN_INSN, 1 );
+ insn = retrieve_token( ureg, DOMAIN_INSN, insn_token );
+
+ insn->insn.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 );
+
+ out->insn.NrTokens = ureg->domain[DOMAIN_INSN].count - insn - 1;
+}
+
+
+
+
+
+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;
+
+ for (i = 0; i < ureg->nr_inputs; i++) {
+ emit_decl( ureg,
+ TGSI_FILE_INPUT,
+ i,
+ ureg->input[i].semantic_name,
+ ureg->input[i].semantic_index,
+ ureg->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 );
+ }
+
+ if (ureg->nr_samplers) {
+ emit_decl_range( ureg,
+ TGSI_FILE_SAMPLER,
+ 0, ureg->nr_samplers );
+ }
+
+ if (ureg->nr_constants) {
+ emit_decl_range( ureg,
+ TGSI_FILE_CONSTANT,
+ 0, ureg->nr_constants );
+ }
+
+ if (ureg->nr_temps) {
+ emit_decl_range( ureg,
+ TGSI_FILE_TEMPORARY,
+ 0, ureg->nr_temps );
+ }
+
+ 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,
+ unsigned insn )
+{
+ 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;
+}
+
+
+void *ureg_create_shader( struct ureg_program *ureg )
+{
+ struct pipe_shader_state state;
+ unsigned insn;
+
+ emit_header( ureg );
+ emit_decls( ureg );
+ copy_instructions( ureg );
+ fixup_header_size( ureg, insn );
+
+ 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;
+ }
+
+ state.tokens = (const struct tgsi_token *)ureg->domain[DOMAIN_DECL].tokens;
+
+ if (1) {
+ debug_printf("%s: emitted shader %d tokens:\n", __FUNCTION__,
+ ureg->domain[DOMAIN_DECL].count);
+ tgsi_dump( state.tokens, 0 );
+ }
+
+ if (ureg->processor == TGSI_PROCESSOR_VERTEX)
+ return ureg->pipe->create_vs_state( ureg->pipe, &state );
+ else
+ return ureg->pipe->create_fs_state( ureg->pipe, &state );
+}
+
+
+
+
+struct ureg_program *ureg_create( struct pipe_context *pipe,
+ unsigned processor )
+{
+ struct ureg_program *ureg = CALLOC_STRUCT( ureg_program );
+ if (ureg == NULL)
+ return NULL;
+
+ ureg->pipe = pipe;
+ 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);
+}
--- /dev/null
+/**************************************************************************
+ *
+ * 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.
+ *
+ **************************************************************************/
+
+#ifndef TGSI_UREG_H
+#define TGSI_UREG_H
+
+#include "pipe/p_compiler.h"
+#include "pipe/p_shader_tokens.h"
+
+struct ureg_program;
+
+/* Almost a tgsi_src_register, but we need to pull in the Absolute
+ * flag from the _ext token. Indirect flag always implies ADDR[0].
+ */
+struct ureg_src
+{
+ unsigned File : 4; /* TGSI_FILE_ */
+ unsigned SwizzleX : 2; /* TGSI_SWIZZLE_ */
+ unsigned SwizzleY : 2; /* TGSI_SWIZZLE_ */
+ unsigned SwizzleZ : 2; /* TGSI_SWIZZLE_ */
+ unsigned SwizzleW : 2; /* TGSI_SWIZZLE_ */
+ unsigned Pad : 1; /* BOOL */
+ unsigned Indirect : 1; /* BOOL */
+ unsigned Absolute : 1; /* BOOL */
+ int Index : 16; /* SINT */
+ unsigned Negate : 1; /* BOOL */
+};
+
+/* Very similar to a tgsi_dst_register, removing unsupported fields
+ * and adding a Saturate flag. It's easier to push saturate into the
+ * destination register than to try and create a _SAT varient of each
+ * instruction function.
+ */
+struct ureg_dst
+{
+ unsigned File : 4; /* TGSI_FILE_ */
+ unsigned WriteMask : 4; /* TGSI_WRITEMASK_ */
+ unsigned Indirect : 1; /* BOOL */
+ unsigned Saturate : 1; /* BOOL */
+ int Index : 16; /* SINT */
+ unsigned Pad1 : 5;
+ unsigned Pad2 : 1; /* BOOL */
+};
+
+struct pipe_context;
+
+struct ureg_program *
+ureg_create( struct pipe_context *pipe,
+ unsigned processor );
+
+void *
+ureg_create_shader( struct ureg_program * );
+
+void
+ureg_destroy( struct ureg_program * );
+
+
+/***********************************************************************
+ * Convenience routine:
+ */
+static INLINE void *ureg_create_shader_and_destroy( struct ureg_program *p )
+{
+ void *result = ureg_create_shader( p );
+ ureg_destroy( p );
+ return result;
+}
+
+
+
+/***********************************************************************
+ * Build shader declarations:
+ */
+
+struct ureg_src
+ureg_DECL_fs_input( struct ureg_program *,
+ unsigned semantic_name,
+ unsigned semantic_index,
+ unsigned interp_mode );
+
+struct ureg_src
+ureg_DECL_vs_input( struct ureg_program *,
+ unsigned semantic_name,
+ unsigned semantic_index );
+
+struct ureg_dst
+ureg_DECL_output( struct ureg_program *,
+ unsigned semantic_name,
+ unsigned semantic_index );
+
+struct ureg_src
+ureg_DECL_immediate( struct ureg_program *,
+ const float *v,
+ unsigned nr );
+
+struct ureg_src
+ureg_DECL_constant( struct ureg_program * );
+
+struct ureg_dst
+ureg_DECL_temporary( struct ureg_program * );
+
+struct ureg_src
+ureg_DECL_sampler( struct ureg_program * );
+
+
+static INLINE struct ureg_src
+ureg_DECL_immediate4f( struct ureg_program *ureg,
+ float a, float b,
+ float c, float d)
+{
+ float v[4];
+ v[0] = a;
+ v[1] = b;
+ v[2] = c;
+ v[3] = d;
+ return ureg_DECL_immediate( ureg, v, 4 );
+}
+
+static INLINE struct ureg_src
+ureg_DECL_immediate3f( struct ureg_program *ureg,
+ float a, float b,
+ float c)
+{
+ float v[3];
+ v[0] = a;
+ v[1] = b;
+ v[2] = c;
+ return ureg_DECL_immediate( ureg, v, 3 );
+}
+
+static INLINE struct ureg_src
+ureg_DECL_immediate2f( struct ureg_program *ureg,
+ float a, float b)
+{
+ float v[2];
+ v[0] = a;
+ v[1] = b;
+ return ureg_DECL_immediate( ureg, v, 2 );
+}
+
+static INLINE struct ureg_src
+ureg_DECL_immediate1f( struct ureg_program *ureg,
+ float a)
+{
+ float v[1];
+ v[0] = a;
+ return ureg_DECL_immediate( ureg, v, 1 );
+}
+
+/***********************************************************************
+ * Internal instruction helpers, don't call these directly:
+ */
+
+unsigned
+ureg_emit_insn(struct ureg_program *ureg,
+ unsigned opcode,
+ boolean saturate,
+ unsigned num_dst,
+ unsigned num_src );
+
+void
+ureg_emit_label(struct ureg_program *ureg,
+ unsigned insn_token,
+ unsigned *label_token );
+
+void
+ureg_emit_texture(struct ureg_program *ureg,
+ unsigned insn_token,
+ unsigned target );
+
+void
+ureg_emit_dst( struct ureg_program *ureg,
+ struct ureg_dst dst );
+
+void
+ureg_emit_src( struct ureg_program *ureg,
+ struct ureg_src src );
+
+void
+ureg_fixup_insn_size(struct ureg_program *ureg,
+ unsigned insn );
+
+
+#define OP00( op ) \
+static INLINE void ureg_##op( struct ureg_program *ureg ) \
+{ \
+ unsigned opcode = TGSI_OPCODE_##op; \
+ unsigned insn = ureg_emit_insn( ureg, opcode, FALSE, 0, 0 ); \
+ ureg_fixup_insn_size( ureg, insn ); \
+}
+
+#define OP01( op ) \
+static INLINE void ureg_##op( struct ureg_program *ureg, \
+ struct ureg_src src ) \
+{ \
+ unsigned opcode = TGSI_OPCODE_##op; \
+ unsigned insn = ureg_emit_insn( ureg, opcode, FALSE, 0, 1 ); \
+ ureg_emit_src( ureg, src ); \
+ ureg_fixup_insn_size( ureg, insn ); \
+}
+
+#define OP00_LBL( op ) \
+static INLINE void ureg_##op( struct ureg_program *ureg, \
+ unsigned *label_token ) \
+{ \
+ unsigned opcode = TGSI_OPCODE_##op; \
+ unsigned insn = ureg_emit_insn( ureg, opcode, FALSE, 0, 0 ); \
+ ureg_emit_label( ureg, insn, label_token ); \
+ ureg_fixup_insn_size( ureg, insn ); \
+}
+
+#define OP01_LBL( op ) \
+static INLINE void ureg_##op( struct ureg_program *ureg, \
+ struct ureg_src src, \
+ unsigned *label_token ) \
+{ \
+ unsigned opcode = TGSI_OPCODE_##op; \
+ unsigned insn = ureg_emit_insn( ureg, opcode, FALSE, 0, 1 ); \
+ ureg_emit_label( ureg, insn, label_token ); \
+ ureg_emit_src( ureg, src ); \
+ ureg_fixup_insn_size( ureg, insn ); \
+}
+
+#define OP10( op ) \
+static INLINE void ureg_##op( struct ureg_program *ureg, \
+ struct ureg_dst dst ) \
+{ \
+ unsigned opcode = TGSI_OPCODE_##op; \
+ unsigned insn = ureg_emit_insn( ureg, opcode, dst.Saturate, 1, 0 ); \
+ ureg_emit_dst( ureg, dst ); \
+ ureg_fixup_insn_size( ureg, insn ); \
+}
+
+
+#define OP11( op ) \
+static INLINE void ureg_##op( struct ureg_program *ureg, \
+ struct ureg_dst dst, \
+ struct ureg_src src ) \
+{ \
+ unsigned opcode = TGSI_OPCODE_##op; \
+ unsigned insn = ureg_emit_insn( ureg, opcode, dst.Saturate, 1, 1 ); \
+ ureg_emit_dst( ureg, dst ); \
+ ureg_emit_src( ureg, src ); \
+ ureg_fixup_insn_size( ureg, insn ); \
+}
+
+#define OP12( op ) \
+static INLINE void ureg_##op( struct ureg_program *ureg, \
+ struct ureg_dst dst, \
+ struct ureg_src src0, \
+ struct ureg_src src1 ) \
+{ \
+ unsigned opcode = TGSI_OPCODE_##op; \
+ unsigned insn = ureg_emit_insn( ureg, opcode, dst.Saturate, 1, 2 ); \
+ ureg_emit_dst( ureg, dst ); \
+ ureg_emit_src( ureg, src0 ); \
+ ureg_emit_src( ureg, src1 ); \
+ ureg_fixup_insn_size( ureg, insn ); \
+}
+
+#define OP12_TEX( op ) \
+static INLINE void ureg_##op( struct ureg_program *ureg, \
+ struct ureg_dst dst, \
+ unsigned target, \
+ struct ureg_src src0, \
+ struct ureg_src src1 ) \
+{ \
+ unsigned opcode = TGSI_OPCODE_##op; \
+ unsigned insn = ureg_emit_insn( ureg, opcode, dst.Saturate, 1, 2 ); \
+ ureg_emit_texture( ureg, insn, target ); \
+ ureg_emit_dst( ureg, dst ); \
+ ureg_emit_src( ureg, src0 ); \
+ ureg_emit_src( ureg, src1 ); \
+ ureg_fixup_insn_size( ureg, insn ); \
+}
+
+#define OP13( op ) \
+static INLINE void ureg_##op( struct ureg_program *ureg, \
+ struct ureg_dst dst, \
+ struct ureg_src src0, \
+ struct ureg_src src1, \
+ struct ureg_src src2 ) \
+{ \
+ unsigned opcode = TGSI_OPCODE_##op; \
+ unsigned insn = ureg_emit_insn( ureg, opcode, dst.Saturate, 1, 3 ); \
+ ureg_emit_dst( ureg, dst ); \
+ ureg_emit_src( ureg, src0 ); \
+ ureg_emit_src( ureg, src1 ); \
+ ureg_emit_src( ureg, src2 ); \
+ ureg_fixup_insn_size( ureg, insn ); \
+}
+
+#define OP14_TEX( op ) \
+static INLINE void ureg_##op( struct ureg_program *ureg, \
+ struct ureg_dst dst, \
+ unsigned target, \
+ struct ureg_src src0, \
+ struct ureg_src src1, \
+ struct ureg_src src2, \
+ struct ureg_src src3 ) \
+{ \
+ unsigned opcode = TGSI_OPCODE_##op; \
+ unsigned insn = ureg_emit_insn( ureg, opcode, dst.Saturate, 1, 4 ); \
+ ureg_emit_texture( ureg, insn, target ); \
+ ureg_emit_dst( ureg, dst ); \
+ ureg_emit_src( ureg, src0 ); \
+ ureg_emit_src( ureg, src1 ); \
+ ureg_emit_src( ureg, src2 ); \
+ ureg_emit_src( ureg, src3 ); \
+ ureg_fixup_insn_size( ureg, insn ); \
+}
+
+
+/* Use a template include to generate a correctly-typed ureg_OP()
+ * function for each TGSI opcode:
+ */
+#include "tgsi_opcode_tmp.h"
+
+
+/***********************************************************************
+ * Inline helpers for manipulating register structs:
+ */
+static INLINE struct ureg_src
+ureg_negate( struct ureg_src reg )
+{
+ reg.Negate ^= 1;
+ return reg;
+}
+
+static INLINE struct ureg_src
+ureg_abs( struct ureg_src reg )
+{
+ reg.Absolute = 1;
+ reg.Negate = 0;
+ return reg;
+}
+
+static INLINE struct ureg_src
+ureg_swizzle( struct ureg_src reg,
+ int x, int y, int z, int w )
+{
+ unsigned swz = ( (reg.SwizzleX << 0) |
+ (reg.SwizzleY << 2) |
+ (reg.SwizzleZ << 4) |
+ (reg.SwizzleW << 6));
+
+ reg.SwizzleX = (swz >> (x*2)) & 0x3;
+ reg.SwizzleY = (swz >> (y*2)) & 0x3;
+ reg.SwizzleZ = (swz >> (z*2)) & 0x3;
+ reg.SwizzleW = (swz >> (w*2)) & 0x3;
+ return reg;
+}
+
+static INLINE struct ureg_src
+ureg_scalar( struct ureg_src reg, int x )
+{
+ return ureg_swizzle(reg, x, x, x, x);
+}
+
+static INLINE struct ureg_dst
+ureg_writemask( struct ureg_dst reg,
+ unsigned writemask )
+{
+ reg.WriteMask &= writemask;
+ return reg;
+}
+
+static INLINE struct ureg_dst
+ureg_saturate( struct ureg_dst reg )
+{
+ reg.Saturate = 1;
+ return reg;
+}
+
+static INLINE struct ureg_dst
+ureg_from_src( struct ureg_src src )
+{
+ struct ureg_dst dst;
+
+ dst.File = src.File;
+ dst.WriteMask = TGSI_WRITEMASK_XYZW;
+ dst.Indirect = src.Indirect;
+ dst.Saturate = 0;
+ dst.Index = src.Index;
+ dst.Pad1 = 0;
+ dst.Pad2 = 0;
+
+ return dst;
+}
+
+static INLINE struct ureg_src
+ureg_from_dst( struct ureg_dst dst )
+{
+ struct ureg_src src;
+
+ src.File = dst.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 = dst.Indirect;
+ src.Absolute = 0;
+ src.Index = src.Index;
+ src.Negate = 0;
+
+ return src;
+}
+
+
+
+#endif
projects / mesa.git / commitdiff