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kolibrios/drivers/video/Gallium/auxiliary/tgsi/tgsi_ureg.c

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Gallium 3D: initial commit git-svn-id: svn://kolibrios.org@3770 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-07-06 12:06:47 +02:00
/**************************************************************************
*
* Copyright 2009-2010 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_debug.h"
#include "util/u_memory.h"
#include "util/u_math.h"
#include "util/u_bitmask.h"
union tgsi_any_token {
struct tgsi_header header;
struct tgsi_processor processor;
struct tgsi_token token;
struct tgsi_property prop;
struct tgsi_property_data prop_data;
struct tgsi_declaration decl;
struct tgsi_declaration_range decl_range;
struct tgsi_declaration_dimension decl_dim;
struct tgsi_declaration_interp decl_interp;
struct tgsi_declaration_semantic decl_semantic;
struct tgsi_declaration_sampler_view decl_sampler_view;
struct tgsi_declaration_array array;
struct tgsi_immediate imm;
union tgsi_immediate_data imm_data;
struct tgsi_instruction insn;
struct tgsi_instruction_predicate insn_predicate;
struct tgsi_instruction_label insn_label;
struct tgsi_instruction_texture insn_texture;
struct tgsi_texture_offset insn_texture_offset;
struct tgsi_src_register src;
struct tgsi_ind_register ind;
struct tgsi_dimension dim;
struct tgsi_dst_register dst;
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_SYSTEM_VALUE PIPE_MAX_ATTRIBS
#define UREG_MAX_OUTPUT PIPE_MAX_SHADER_OUTPUTS
#define UREG_MAX_CONSTANT_RANGE 32
#define UREG_MAX_IMMEDIATE 256
#define UREG_MAX_ADDR 2
#define UREG_MAX_PRED 1
#define UREG_MAX_ARRAY_TEMPS 256
struct const_decl {
struct {
unsigned first;
unsigned last;
} constant_range[UREG_MAX_CONSTANT_RANGE];
unsigned nr_constant_ranges;
};
#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;
unsigned char cylindrical_wrap;
unsigned char centroid;
} fs_input[UREG_MAX_INPUT];
unsigned nr_fs_inputs;
unsigned vs_inputs[UREG_MAX_INPUT/32];
struct {
unsigned index;
unsigned semantic_name;
unsigned semantic_index;
} gs_input[UREG_MAX_INPUT];
unsigned nr_gs_inputs;
struct {
unsigned index;
unsigned semantic_name;
unsigned semantic_index;
} system_value[UREG_MAX_SYSTEM_VALUE];
unsigned nr_system_values;
struct {
unsigned semantic_name;
unsigned semantic_index;
unsigned usage_mask; /* = TGSI_WRITEMASK_* */
} output[UREG_MAX_OUTPUT];
unsigned nr_outputs;
struct {
union {
float f[4];
unsigned u[4];
int i[4];
} value;
unsigned nr;
unsigned type;
} immediate[UREG_MAX_IMMEDIATE];
unsigned nr_immediates;
struct ureg_src sampler[PIPE_MAX_SAMPLERS];
unsigned nr_samplers;
struct {
unsigned index;
unsigned target;
unsigned return_type_x;
unsigned return_type_y;
unsigned return_type_z;
unsigned return_type_w;
} sampler_view[PIPE_MAX_SHADER_SAMPLER_VIEWS];
unsigned nr_sampler_views;
struct util_bitmask *free_temps;
struct util_bitmask *local_temps;
struct util_bitmask *decl_temps;
unsigned nr_temps;
unsigned array_temps[UREG_MAX_ARRAY_TEMPS];
unsigned nr_array_temps;
struct const_decl const_decls;
struct const_decl const_decls2D[PIPE_MAX_CONSTANT_BUFFERS];
unsigned property_gs_input_prim;
unsigned property_gs_output_prim;
unsigned property_gs_max_vertices;
unsigned char property_fs_coord_origin; /* = TGSI_FS_COORD_ORIGIN_* */
unsigned char property_fs_coord_pixel_center; /* = TGSI_FS_COORD_PIXEL_CENTER_* */
unsigned char property_fs_color0_writes_all_cbufs; /* = TGSI_FS_COLOR0_WRITES_ALL_CBUFS * */
unsigned char property_fs_depth_layout; /* TGSI_FS_DEPTH_LAYOUT */
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.IndirectFile = TGSI_FILE_NULL;
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;
dst.ArrayID = 0;
return dst;
}
void
ureg_property_gs_input_prim(struct ureg_program *ureg,
unsigned input_prim)
{
ureg->property_gs_input_prim = input_prim;
}
void
ureg_property_gs_output_prim(struct ureg_program *ureg,
unsigned output_prim)
{
ureg->property_gs_output_prim = output_prim;
}
void
ureg_property_gs_max_vertices(struct ureg_program *ureg,
unsigned max_vertices)
{
ureg->property_gs_max_vertices = max_vertices;
}
void
ureg_property_fs_coord_origin(struct ureg_program *ureg,
unsigned fs_coord_origin)
{
ureg->property_fs_coord_origin = fs_coord_origin;
}
void
ureg_property_fs_coord_pixel_center(struct ureg_program *ureg,
unsigned fs_coord_pixel_center)
{
ureg->property_fs_coord_pixel_center = fs_coord_pixel_center;
}
void
ureg_property_fs_color0_writes_all_cbufs(struct ureg_program *ureg,
unsigned fs_color0_writes_all_cbufs)
{
ureg->property_fs_color0_writes_all_cbufs = fs_color0_writes_all_cbufs;
}
void
ureg_property_fs_depth_layout(struct ureg_program *ureg,
unsigned fs_depth_layout)
{
ureg->property_fs_depth_layout = fs_depth_layout;
}
struct ureg_src
ureg_DECL_fs_input_cyl_centroid(struct ureg_program *ureg,
unsigned semantic_name,
unsigned semantic_index,
unsigned interp_mode,
unsigned cylindrical_wrap,
unsigned centroid)
{
unsigned i;
for (i = 0; i < ureg->nr_fs_inputs; i++) {
if (ureg->fs_input[i].semantic_name == semantic_name &&
ureg->fs_input[i].semantic_index == semantic_index) {
goto out;
}
}
if (ureg->nr_fs_inputs < UREG_MAX_INPUT) {
ureg->fs_input[i].semantic_name = semantic_name;
ureg->fs_input[i].semantic_index = semantic_index;
ureg->fs_input[i].interp = interp_mode;
ureg->fs_input[i].cylindrical_wrap = cylindrical_wrap;
ureg->fs_input[i].centroid = centroid;
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_src
ureg_DECL_gs_input(struct ureg_program *ureg,
unsigned index,
unsigned semantic_name,
unsigned semantic_index)
{
if (ureg->nr_gs_inputs < UREG_MAX_INPUT) {
ureg->gs_input[ureg->nr_gs_inputs].index = index;
ureg->gs_input[ureg->nr_gs_inputs].semantic_name = semantic_name;
ureg->gs_input[ureg->nr_gs_inputs].semantic_index = semantic_index;
ureg->nr_gs_inputs++;
} else {
set_bad(ureg);
}
/* XXX: Add suport for true 2D input registers. */
return ureg_src_register(TGSI_FILE_INPUT, index);
}
struct ureg_src
ureg_DECL_system_value(struct ureg_program *ureg,
unsigned index,
unsigned semantic_name,
unsigned semantic_index)
{
if (ureg->nr_system_values < UREG_MAX_SYSTEM_VALUE) {
ureg->system_value[ureg->nr_system_values].index = index;
ureg->system_value[ureg->nr_system_values].semantic_name = semantic_name;
ureg->system_value[ureg->nr_system_values].semantic_index = semantic_index;
ureg->nr_system_values++;
} else {
set_bad(ureg);
}
return ureg_src_register(TGSI_FILE_SYSTEM_VALUE, index);
}
struct ureg_dst
ureg_DECL_output_masked( struct ureg_program *ureg,
unsigned name,
unsigned index,
unsigned usage_mask )
{
unsigned i;
assert(usage_mask != 0);
for (i = 0; i < ureg->nr_outputs; i++) {
if (ureg->output[i].semantic_name == name &&
ureg->output[i].semantic_index == index) {
ureg->output[i].usage_mask |= usage_mask;
goto out;
}
}
if (ureg->nr_outputs < UREG_MAX_OUTPUT) {
ureg->output[i].semantic_name = name;
ureg->output[i].semantic_index = index;
ureg->output[i].usage_mask = usage_mask;
ureg->nr_outputs++;
}
else {
set_bad( ureg );
}
out:
return ureg_dst_register( TGSI_FILE_OUTPUT, i );
}
struct ureg_dst
ureg_DECL_output( struct ureg_program *ureg,
unsigned name,
unsigned index )
{
return ureg_DECL_output_masked(ureg, name, index, TGSI_WRITEMASK_XYZW);
}
/* Returns a new constant register. Keep track of which have been
* referred to so that we can emit decls later.
*
* Constant operands declared with this function must be addressed
* with a two-dimensional index.
*
* 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.
*/
void
ureg_DECL_constant2D(struct ureg_program *ureg,
unsigned first,
unsigned last,
unsigned index2D)
{
struct const_decl *decl = &ureg->const_decls2D[index2D];
assert(index2D < PIPE_MAX_CONSTANT_BUFFERS);
if (decl->nr_constant_ranges < UREG_MAX_CONSTANT_RANGE) {
uint i = decl->nr_constant_ranges++;
decl->constant_range[i].first = first;
decl->constant_range[i].last = last;
}
}
/* A one-dimensional, depricated version of ureg_DECL_constant2D().
*
* Constant operands declared with this function must be addressed
* with a one-dimensional index.
*/
struct ureg_src
ureg_DECL_constant(struct ureg_program *ureg,
unsigned index)
{
struct const_decl *decl = &ureg->const_decls;
unsigned minconst = index, maxconst = index;
unsigned i;
/* Inside existing range?
*/
for (i = 0; i < decl->nr_constant_ranges; i++) {
if (decl->constant_range[i].first <= index &&
decl->constant_range[i].last >= index) {
goto out;
}
}
/* Extend existing range?
*/
for (i = 0; i < decl->nr_constant_ranges; i++) {
if (decl->constant_range[i].last == index - 1) {
decl->constant_range[i].last = index;
goto out;
}
if (decl->constant_range[i].first == index + 1) {
decl->constant_range[i].first = index;
goto out;
}
minconst = MIN2(minconst, decl->constant_range[i].first);
maxconst = MAX2(maxconst, decl->constant_range[i].last);
}
/* Create new range?
*/
if (decl->nr_constant_ranges < UREG_MAX_CONSTANT_RANGE) {
i = decl->nr_constant_ranges++;
decl->constant_range[i].first = index;
decl->constant_range[i].last = index;
goto out;
}
/* Collapse all ranges down to one:
*/
i = 0;
decl->constant_range[0].first = minconst;
decl->constant_range[0].last = maxconst;
decl->nr_constant_ranges = 1;
out:
assert(i < decl->nr_constant_ranges);
assert(decl->constant_range[i].first <= index);
assert(decl->constant_range[i].last >= index);
return ureg_src_register(TGSI_FILE_CONSTANT, index);
}
static struct ureg_dst alloc_temporary( struct ureg_program *ureg,
boolean local )
{
unsigned i;
/* Look for a released temporary.
*/
for (i = util_bitmask_get_first_index(ureg->free_temps);
i != UTIL_BITMASK_INVALID_INDEX;
i = util_bitmask_get_next_index(ureg->free_temps, i + 1)) {
if (util_bitmask_get(ureg->local_temps, i) == local)
break;
}
/* Or allocate a new one.
*/
if (i == UTIL_BITMASK_INVALID_INDEX) {
i = ureg->nr_temps++;
if (local)
util_bitmask_set(ureg->local_temps, i);
/* Start a new declaration when the local flag changes */
if (!i || util_bitmask_get(ureg->local_temps, i - 1) != local)
util_bitmask_set(ureg->decl_temps, i);
}
util_bitmask_clear(ureg->free_temps, i);
return ureg_dst_register( TGSI_FILE_TEMPORARY, i );
}
struct ureg_dst ureg_DECL_temporary( struct ureg_program *ureg )
{
return alloc_temporary(ureg, FALSE);
}
struct ureg_dst ureg_DECL_local_temporary( struct ureg_program *ureg )
{
return alloc_temporary(ureg, TRUE);
}
struct ureg_dst ureg_DECL_array_temporary( struct ureg_program *ureg,
unsigned size,
boolean local )
{
unsigned i = ureg->nr_temps;
struct ureg_dst dst = ureg_dst_register( TGSI_FILE_TEMPORARY, i );
if (local)
util_bitmask_set(ureg->local_temps, i);
/* Always start a new declaration at the start */
util_bitmask_set(ureg->decl_temps, i);
ureg->nr_temps += size;
/* and also at the end of the array */
util_bitmask_set(ureg->decl_temps, ureg->nr_temps);
if (ureg->nr_array_temps < UREG_MAX_ARRAY_TEMPS) {
ureg->array_temps[ureg->nr_array_temps++] = i;
dst.ArrayID = ureg->nr_array_temps;
}
return dst;
}
void ureg_release_temporary( struct ureg_program *ureg,
struct ureg_dst tmp )
{
if(tmp.File == TGSI_FILE_TEMPORARY)
util_bitmask_set(ureg->free_temps, tmp.Index);
}
/* 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];
}
/*
* Allocate a new shader sampler view.
*/
struct ureg_src
ureg_DECL_sampler_view(struct ureg_program *ureg,
unsigned index,
unsigned target,
unsigned return_type_x,
unsigned return_type_y,
unsigned return_type_z,
unsigned return_type_w)
{
struct ureg_src reg = ureg_src_register(TGSI_FILE_SAMPLER_VIEW, index);
uint i;
for (i = 0; i < ureg->nr_sampler_views; i++) {
if (ureg->sampler_view[i].index == index) {
return reg;
}
}
if (i < PIPE_MAX_SHADER_SAMPLER_VIEWS) {
ureg->sampler_view[i].index = index;
ureg->sampler_view[i].target = target;
ureg->sampler_view[i].return_type_x = return_type_x;
ureg->sampler_view[i].return_type_y = return_type_y;
ureg->sampler_view[i].return_type_z = return_type_z;
ureg->sampler_view[i].return_type_w = return_type_w;
ureg->nr_sampler_views++;
return reg;
}
assert(0);
return reg;
}
static int
match_or_expand_immediate( const unsigned *v,
unsigned nr,
unsigned *v2,
unsigned *pnr2,
unsigned *swizzle )
{
unsigned nr2 = *pnr2;
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++;
}
}
/* Actually expand immediate only when fully succeeded.
*/
*pnr2 = nr2;
return TRUE;
}
static struct ureg_src
decl_immediate( struct ureg_program *ureg,
const unsigned *v,
unsigned nr,
unsigned type )
{
unsigned i, j;
unsigned swizzle = 0;
/* Could do a first pass where we examine all existing immediates
* without expanding.
*/
for (i = 0; i < ureg->nr_immediates; i++) {
if (ureg->immediate[i].type != type) {
continue;
}
if (match_or_expand_immediate(v,
nr,
ureg->immediate[i].value.u,
&ureg->immediate[i].nr,
&swizzle)) {
goto out;
}
}
if (ureg->nr_immediates < UREG_MAX_IMMEDIATE) {
i = ureg->nr_immediates++;
ureg->immediate[i].type = type;
if (match_or_expand_immediate(v,
nr,
ureg->immediate[i].value.u,
&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);
}
struct ureg_src
ureg_DECL_immediate( struct ureg_program *ureg,
const float *v,
unsigned nr )
{
union {
float f[4];
unsigned u[4];
} fu;
unsigned int i;
for (i = 0; i < nr; i++) {
fu.f[i] = v[i];
}
return decl_immediate(ureg, fu.u, nr, TGSI_IMM_FLOAT32);
}
struct ureg_src
ureg_DECL_immediate_uint( struct ureg_program *ureg,
const unsigned *v,
unsigned nr )
{
return decl_immediate(ureg, v, nr, TGSI_IMM_UINT32);
}
struct ureg_src
ureg_DECL_immediate_block_uint( struct ureg_program *ureg,
const unsigned *v,
unsigned nr )
{
uint index;
uint i;
if (ureg->nr_immediates + (nr + 3) / 4 > UREG_MAX_IMMEDIATE) {
set_bad(ureg);
return ureg_src_register(TGSI_FILE_IMMEDIATE, 0);
}
index = ureg->nr_immediates;
ureg->nr_immediates += (nr + 3) / 4;
for (i = index; i < ureg->nr_immediates; i++) {
ureg->immediate[i].type = TGSI_IMM_UINT32;
ureg->immediate[i].nr = nr > 4 ? 4 : nr;
memcpy(ureg->immediate[i].value.u,
&v[(i - index) * 4],
ureg->immediate[i].nr * sizeof(uint));
nr -= 4;
}
return ureg_src_register(TGSI_FILE_IMMEDIATE, index);
}
struct ureg_src
ureg_DECL_immediate_int( struct ureg_program *ureg,
const int *v,
unsigned nr )
{
return decl_immediate(ureg, (const unsigned *)v, nr, TGSI_IMM_INT32);
}
void
ureg_emit_src( struct ureg_program *ureg,
struct ureg_src src )
{
unsigned size = 1 + (src.Indirect ? 1 : 0) +
(src.Dimension ? (src.DimIndirect ? 2 : 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_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;
out[0].src.Absolute = src.Absolute;
n++;
if (src.Indirect) {
out[0].src.Indirect = 1;
out[n].value = 0;
out[n].ind.File = src.IndirectFile;
out[n].ind.Swizzle = src.IndirectSwizzle;
out[n].ind.Index = src.IndirectIndex;
out[n].ind.ArrayID = src.ArrayID;
n++;
}
if (src.Dimension) {
out[0].src.Dimension = 1;
out[n].dim.Dimension = 0;
out[n].dim.Padding = 0;
if (src.DimIndirect) {
out[n].dim.Indirect = 1;
out[n].dim.Index = src.DimensionIndex;
n++;
out[n].value = 0;
out[n].ind.File = src.DimIndFile;
out[n].ind.Swizzle = src.DimIndSwizzle;
out[n].ind.Index = src.DimIndIndex;
out[n].ind.ArrayID = src.ArrayID;
} else {
out[n].dim.Indirect = 0;
out[n].dim.Index = src.DimensionIndex;
}
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_SAMPLER_VIEW);
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].ind.File = dst.IndirectFile;
out[n].ind.Swizzle = dst.IndirectSwizzle;
out[n].ind.Index = dst.IndirectIndex;
out[n].ind.ArrayID = dst.ArrayID;
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].insn = tgsi_default_instruction();
out[0].insn.Opcode = opcode;
out[0].insn.Saturate = saturate;
out[0].insn.NumDstRegs = num_dst;
out[0].insn.NumSrcRegs = num_src;
result.insn_token = ureg->domain[DOMAIN_INSN].count - count;
result.extended_token = result.insn_token;
if (predicate) {
out[0].insn.Predicate = 1;
out[1].insn_predicate = tgsi_default_instruction_predicate();
out[1].insn_predicate.Negate = pred_negate;
out[1].insn_predicate.SwizzleX = pred_swizzle_x;
out[1].insn_predicate.SwizzleY = pred_swizzle_y;
out[1].insn_predicate.SwizzleZ = pred_swizzle_z;
out[1].insn_predicate.SwizzleW = pred_swizzle_w;
}
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 );
out[0].value = 0;
insn = retrieve_token( ureg, DOMAIN_INSN, extended_token );
insn->insn.Label = 1;
*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 );
out->insn_label.Label = instruction_number;
}
void
ureg_emit_texture(struct ureg_program *ureg,
unsigned extended_token,
unsigned target, unsigned num_offsets)
{
union tgsi_any_token *out, *insn;
out = get_tokens( ureg, DOMAIN_INSN, 1 );
insn = retrieve_token( ureg, DOMAIN_INSN, extended_token );
insn->insn.Texture = 1;
out[0].value = 0;
out[0].insn_texture.Texture = target;
out[0].insn_texture.NumOffsets = num_offsets;
}
void
ureg_emit_texture_offset(struct ureg_program *ureg,
const struct tgsi_texture_offset *offset)
{
union tgsi_any_token *out;
out = get_tokens( ureg, DOMAIN_INSN, 1);
out[0].value = 0;
out[0].insn_texture_offset = *offset;
}
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 tgsi_texture_offset *texoffsets,
unsigned nr_offset,
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, nr_offset );
for (i = 0; i < nr_offset; i++)
ureg_emit_texture_offset( ureg, &texoffsets[i]);
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_semantic(struct ureg_program *ureg,
unsigned file,
unsigned index,
unsigned semantic_name,
unsigned semantic_index,
unsigned usage_mask)
{
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 = usage_mask;
out[0].decl.Semantic = 1;
out[1].value = 0;
out[1].decl_range.First = index;
out[1].decl_range.Last = index;
out[2].value = 0;
out[2].decl_semantic.Name = semantic_name;
out[2].decl_semantic.Index = semantic_index;
}
static void
emit_decl_fs(struct ureg_program *ureg,
unsigned file,
unsigned index,
unsigned semantic_name,
unsigned semantic_index,
unsigned interpolate,
unsigned cylindrical_wrap,
unsigned centroid)
{
union tgsi_any_token *out = get_tokens(ureg, DOMAIN_DECL, 4);
out[0].value = 0;
out[0].decl.Type = TGSI_TOKEN_TYPE_DECLARATION;
out[0].decl.NrTokens = 4;
out[0].decl.File = file;
out[0].decl.UsageMask = TGSI_WRITEMASK_XYZW; /* FIXME! */
out[0].decl.Interpolate = 1;
out[0].decl.Semantic = 1;
out[1].value = 0;
out[1].decl_range.First = index;
out[1].decl_range.Last = index;
out[2].value = 0;
out[2].decl_interp.Interpolate = interpolate;
out[2].decl_interp.CylindricalWrap = cylindrical_wrap;
out[2].decl_interp.Centroid = centroid;
out[3].value = 0;
out[3].decl_semantic.Name = semantic_name;
out[3].decl_semantic.Index = semantic_index;
}
static void
emit_decl_temps( struct ureg_program *ureg,
unsigned first, unsigned last,
boolean local,
unsigned arrayid )
{
union tgsi_any_token *out = get_tokens( ureg, DOMAIN_DECL,
arrayid ? 3 : 2 );
out[0].value = 0;
out[0].decl.Type = TGSI_TOKEN_TYPE_DECLARATION;
out[0].decl.NrTokens = 2;
out[0].decl.File = TGSI_FILE_TEMPORARY;
out[0].decl.UsageMask = TGSI_WRITEMASK_XYZW;
out[0].decl.Local = local;
out[1].value = 0;
out[1].decl_range.First = first;
out[1].decl_range.Last = last;
if (arrayid) {
out[0].decl.Array = 1;
out[2].value = 0;
out[2].array.ArrayID = arrayid;
}
}
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 = TGSI_WRITEMASK_XYZW;
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_decl_range2D(struct ureg_program *ureg,
unsigned file,
unsigned first,
unsigned last,
unsigned index2D)
{
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;
out[0].decl.Dimension = 1;
out[1].value = 0;
out[1].decl_range.First = first;
out[1].decl_range.Last = last;
out[2].value = 0;
out[2].decl_dim.Index2D = index2D;
}
static void
emit_decl_sampler_view(struct ureg_program *ureg,
unsigned index,
unsigned target,
unsigned return_type_x,
unsigned return_type_y,
unsigned return_type_z,
unsigned return_type_w )
{
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 = TGSI_FILE_SAMPLER_VIEW;
out[0].decl.UsageMask = 0xf;
out[1].value = 0;
out[1].decl_range.First = index;
out[1].decl_range.Last = index;
out[2].value = 0;
out[2].decl_sampler_view.Resource = target;
out[2].decl_sampler_view.ReturnTypeX = return_type_x;
out[2].decl_sampler_view.ReturnTypeY = return_type_y;
out[2].decl_sampler_view.ReturnTypeZ = return_type_z;
out[2].decl_sampler_view.ReturnTypeW = return_type_w;
}
static void
emit_immediate( struct ureg_program *ureg,
const unsigned *v,
unsigned type )
{
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 = type;
out[0].imm.Padding = 0;
out[1].imm_data.Uint = v[0];
out[2].imm_data.Uint = v[1];
out[3].imm_data.Uint = v[2];
out[4].imm_data.Uint = v[3];
}
static void
emit_property(struct ureg_program *ureg,
unsigned name,
unsigned data)
{
union tgsi_any_token *out = get_tokens(ureg, DOMAIN_DECL, 2);
out[0].value = 0;
out[0].prop.Type = TGSI_TOKEN_TYPE_PROPERTY;
out[0].prop.NrTokens = 2;
out[0].prop.PropertyName = name;
out[1].prop_data.Data = data;
}
static void emit_decls( struct ureg_program *ureg )
{
unsigned i;
if (ureg->property_gs_input_prim != ~0) {
assert(ureg->processor == TGSI_PROCESSOR_GEOMETRY);
emit_property(ureg,
TGSI_PROPERTY_GS_INPUT_PRIM,
ureg->property_gs_input_prim);
}
if (ureg->property_gs_output_prim != ~0) {
assert(ureg->processor == TGSI_PROCESSOR_GEOMETRY);
emit_property(ureg,
TGSI_PROPERTY_GS_OUTPUT_PRIM,
ureg->property_gs_output_prim);
}
if (ureg->property_gs_max_vertices != ~0) {
assert(ureg->processor == TGSI_PROCESSOR_GEOMETRY);
emit_property(ureg,
TGSI_PROPERTY_GS_MAX_OUTPUT_VERTICES,
ureg->property_gs_max_vertices);
}
if (ureg->property_fs_coord_origin) {
assert(ureg->processor == TGSI_PROCESSOR_FRAGMENT);
emit_property(ureg,
TGSI_PROPERTY_FS_COORD_ORIGIN,
ureg->property_fs_coord_origin);
}
if (ureg->property_fs_coord_pixel_center) {
assert(ureg->processor == TGSI_PROCESSOR_FRAGMENT);
emit_property(ureg,
TGSI_PROPERTY_FS_COORD_PIXEL_CENTER,
ureg->property_fs_coord_pixel_center);
}
if (ureg->property_fs_color0_writes_all_cbufs) {
assert(ureg->processor == TGSI_PROCESSOR_FRAGMENT);
emit_property(ureg,
TGSI_PROPERTY_FS_COLOR0_WRITES_ALL_CBUFS,
ureg->property_fs_color0_writes_all_cbufs);
}
if (ureg->property_fs_depth_layout) {
assert(ureg->processor == TGSI_PROCESSOR_FRAGMENT);
emit_property(ureg,
TGSI_PROPERTY_FS_DEPTH_LAYOUT,
ureg->property_fs_depth_layout);
}
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 if (ureg->processor == TGSI_PROCESSOR_FRAGMENT) {
for (i = 0; i < ureg->nr_fs_inputs; i++) {
emit_decl_fs(ureg,
TGSI_FILE_INPUT,
i,
ureg->fs_input[i].semantic_name,
ureg->fs_input[i].semantic_index,
ureg->fs_input[i].interp,
ureg->fs_input[i].cylindrical_wrap,
ureg->fs_input[i].centroid);
}
} else {
for (i = 0; i < ureg->nr_gs_inputs; i++) {
emit_decl_semantic(ureg,
TGSI_FILE_INPUT,
ureg->gs_input[i].index,
ureg->gs_input[i].semantic_name,
ureg->gs_input[i].semantic_index,
TGSI_WRITEMASK_XYZW);
}
}
for (i = 0; i < ureg->nr_system_values; i++) {
emit_decl_semantic(ureg,
TGSI_FILE_SYSTEM_VALUE,
ureg->system_value[i].index,
ureg->system_value[i].semantic_name,
ureg->system_value[i].semantic_index,
TGSI_WRITEMASK_XYZW);
}
for (i = 0; i < ureg->nr_outputs; i++) {
emit_decl_semantic(ureg,
TGSI_FILE_OUTPUT,
i,
ureg->output[i].semantic_name,
ureg->output[i].semantic_index,
ureg->output[i].usage_mask);
}
for (i = 0; i < ureg->nr_samplers; i++) {
emit_decl_range( ureg,
TGSI_FILE_SAMPLER,
ureg->sampler[i].Index, 1 );
}
for (i = 0; i < ureg->nr_sampler_views; i++) {
emit_decl_sampler_view(ureg,
ureg->sampler_view[i].index,
ureg->sampler_view[i].target,
ureg->sampler_view[i].return_type_x,
ureg->sampler_view[i].return_type_y,
ureg->sampler_view[i].return_type_z,
ureg->sampler_view[i].return_type_w);
}
if (ureg->const_decls.nr_constant_ranges) {
for (i = 0; i < ureg->const_decls.nr_constant_ranges; i++) {
emit_decl_range(ureg,
TGSI_FILE_CONSTANT,
ureg->const_decls.constant_range[i].first,
ureg->const_decls.constant_range[i].last - ureg->const_decls.constant_range[i].first + 1);
}
}
for (i = 0; i < PIPE_MAX_CONSTANT_BUFFERS; i++) {
struct const_decl *decl = &ureg->const_decls2D[i];
if (decl->nr_constant_ranges) {
uint j;
for (j = 0; j < decl->nr_constant_ranges; j++) {
emit_decl_range2D(ureg,
TGSI_FILE_CONSTANT,
decl->constant_range[j].first,
decl->constant_range[j].last,
i);
}
}
}
if (ureg->nr_temps) {
unsigned array = 0;
for (i = 0; i < ureg->nr_temps;) {
boolean local = util_bitmask_get(ureg->local_temps, i);
unsigned first = i;
i = util_bitmask_get_next_index(ureg->decl_temps, i + 1);
if (i == UTIL_BITMASK_INVALID_INDEX)
i = ureg->nr_temps;
if (array < ureg->nr_array_temps && ureg->array_temps[array] == first)
emit_decl_temps( ureg, first, i - 1, local, ++array );
else
emit_decl_temps( ureg, first, i - 1, local, 0 );
}
}
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].value.u,
ureg->immediate[i].type );
}
}
/* 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, 0 );
out->header.BodySize = ureg->domain[DOMAIN_DECL].count - 2;
}
static void
emit_header( struct ureg_program *ureg )
{
union tgsi_any_token *out = get_tokens( ureg, DOMAIN_DECL, 2 );
out[0].header.HeaderSize = 2;
out[0].header.BodySize = 0;
out[1].processor.Processor = ureg->processor;
out[1].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,
const struct pipe_stream_output_info *so )
{
struct pipe_shader_state state;
state.tokens = ureg_finalize(ureg);
if(!state.tokens)
return NULL;
if (so)
state.stream_output = *so;
else
memset(&state.stream_output, 0, sizeof(state.stream_output));
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;
}
void ureg_free_tokens( const struct tgsi_token *tokens )
{
FREE((struct tgsi_token *)tokens);
}
struct ureg_program *ureg_create( unsigned processor )
{
struct ureg_program *ureg = CALLOC_STRUCT( ureg_program );
if (ureg == NULL)
goto no_ureg;
ureg->processor = processor;
ureg->property_gs_input_prim = ~0;
ureg->property_gs_output_prim = ~0;
ureg->property_gs_max_vertices = ~0;
ureg->free_temps = util_bitmask_create();
if (ureg->free_temps == NULL)
goto no_free_temps;
ureg->local_temps = util_bitmask_create();
if (ureg->local_temps == NULL)
goto no_local_temps;
ureg->decl_temps = util_bitmask_create();
if (ureg->decl_temps == NULL)
goto no_decl_temps;
return ureg;
no_decl_temps:
util_bitmask_destroy(ureg->local_temps);
no_local_temps:
util_bitmask_destroy(ureg->free_temps);
no_free_temps:
FREE(ureg);
no_ureg:
return NULL;
}
const unsigned
ureg_get_nr_outputs( const struct ureg_program *ureg )
{
if (!ureg)
return 0;
return ureg->nr_outputs;
}
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);
}
util_bitmask_destroy(ureg->free_temps);
util_bitmask_destroy(ureg->local_temps);
util_bitmask_destroy(ureg->decl_temps);
FREE(ureg);
}
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