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Diffstat (limited to 'src/gallium/auxiliary/tgsi/tgsi_ureg.c')
-rw-r--r--src/gallium/auxiliary/tgsi/tgsi_ureg.c91
1 files changed, 89 insertions, 2 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_ureg.c b/src/gallium/auxiliary/tgsi/tgsi_ureg.c
index 02de12d77d5..4564ab81f99 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_ureg.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_ureg.c
@@ -1,6 +1,6 @@
/**************************************************************************
*
- * Copyright 2009 VMware, Inc.
+ * Copyright 2009-2010 VMware, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
@@ -47,6 +47,7 @@ union tgsi_any_token {
struct tgsi_declaration_range decl_range;
struct tgsi_declaration_dimension decl_dim;
struct tgsi_declaration_semantic decl_semantic;
+ struct tgsi_declaration_resource decl_resource;
struct tgsi_immediate imm;
union tgsi_immediate_data imm_data;
struct tgsi_instruction insn;
@@ -137,6 +138,16 @@ struct ureg_program
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;
+ } resource[PIPE_MAX_SHADER_RESOURCES];
+ unsigned nr_resources;
+
unsigned temps_active[UREG_MAX_TEMP / 32];
unsigned nr_temps;
@@ -578,6 +589,41 @@ struct ureg_src ureg_DECL_sampler( struct ureg_program *ureg,
return ureg->sampler[0];
}
+/*
+ * Allocate a new shader resource.
+ */
+struct ureg_src
+ureg_DECL_resource(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_RESOURCE, index);
+ uint i;
+
+ for (i = 0; i < ureg->nr_resources; i++) {
+ if (ureg->resource[i].index == index) {
+ return reg;
+ }
+ }
+
+ if (i < PIPE_MAX_SHADER_RESOURCES) {
+ ureg->resource[i].index = index;
+ ureg->resource[i].target = target;
+ ureg->resource[i].return_type_x = return_type_x;
+ ureg->resource[i].return_type_y = return_type_y;
+ ureg->resource[i].return_type_z = return_type_z;
+ ureg->resource[i].return_type_w = return_type_w;
+ ureg->nr_resources++;
+ return reg;
+ }
+
+ assert(0);
+ return reg;
+}
static int
match_or_expand_immediate( const unsigned *v,
@@ -821,9 +867,10 @@ ureg_emit_dst( struct ureg_program *ureg,
assert(dst.File != TGSI_FILE_CONSTANT);
assert(dst.File != TGSI_FILE_INPUT);
assert(dst.File != TGSI_FILE_SAMPLER);
+ assert(dst.File != TGSI_FILE_RESOURCE);
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;
@@ -1206,6 +1253,36 @@ emit_decl_range2D(struct ureg_program *ureg,
}
static void
+emit_decl_resource(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_RESOURCE;
+ out[0].decl.UsageMask = 0xf;
+ out[0].decl.Interpolate = TGSI_INTERPOLATE_CONSTANT;
+
+ out[1].value = 0;
+ out[1].decl_range.First = index;
+ out[1].decl_range.Last = index;
+
+ out[2].value = 0;
+ out[2].decl_resource.Resource = target;
+ out[2].decl_resource.ReturnTypeX = return_type_x;
+ out[2].decl_resource.ReturnTypeY = return_type_y;
+ out[2].decl_resource.ReturnTypeZ = return_type_z;
+ out[2].decl_resource.ReturnTypeW = return_type_w;
+}
+
+static void
emit_immediate( struct ureg_program *ureg,
const unsigned *v,
unsigned type )
@@ -1341,6 +1418,16 @@ static void emit_decls( struct ureg_program *ureg )
ureg->sampler[i].Index, 1 );
}
+ for (i = 0; i < ureg->nr_resources; i++) {
+ emit_decl_resource(ureg,
+ ureg->resource[i].index,
+ ureg->resource[i].target,
+ ureg->resource[i].return_type_x,
+ ureg->resource[i].return_type_y,
+ ureg->resource[i].return_type_z,
+ ureg->resource[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,