Mesa (master): ureg: add buffer support to ureg
Ilia Mirkin
imirkin at kemper.freedesktop.org
Fri Jan 8 20:15:01 UTC 2016
Module: Mesa
Branch: master
Commit: 888ddd632d7f6af635cc948f1b3e8982b43800d2
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=888ddd632d7f6af635cc948f1b3e8982b43800d2
Author: Ilia Mirkin <imirkin at alum.mit.edu>
Date: Sat Sep 19 18:19:13 2015 -0400
ureg: add buffer support to ureg
Signed-off-by: Ilia Mirkin <imirkin at alum.mit.edu>
Reviewed-by: Marek Olšák <marek.olsak at amd.com>
---
src/gallium/auxiliary/tgsi/tgsi_dump.c | 5 +++
src/gallium/auxiliary/tgsi/tgsi_strings.c | 1 +
src/gallium/auxiliary/tgsi/tgsi_text.c | 5 +++
src/gallium/auxiliary/tgsi/tgsi_ureg.c | 52 ++++++++++++++++++++++++++++
src/gallium/auxiliary/tgsi/tgsi_ureg.h | 3 ++
src/gallium/include/pipe/p_shader_tokens.h | 4 ++-
6 files changed, 69 insertions(+), 1 deletion(-)
diff --git a/src/gallium/auxiliary/tgsi/tgsi_dump.c b/src/gallium/auxiliary/tgsi/tgsi_dump.c
index dad3839..de3aae5 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_dump.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_dump.c
@@ -359,6 +359,11 @@ iter_declaration(
TXT(", RAW");
}
+ if (decl->Declaration.File == TGSI_FILE_BUFFER) {
+ if (decl->Declaration.Atomic)
+ TXT(", ATOMIC");
+ }
+
if (decl->Declaration.File == TGSI_FILE_SAMPLER_VIEW) {
TXT(", ");
ENM(decl->SamplerView.Resource, tgsi_texture_names);
diff --git a/src/gallium/auxiliary/tgsi/tgsi_strings.c b/src/gallium/auxiliary/tgsi/tgsi_strings.c
index ae30399..c0dd044 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_strings.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_strings.c
@@ -56,6 +56,7 @@ static const char *tgsi_file_names[] =
"SV",
"IMAGE",
"SVIEW",
+ "BUFFER",
};
const char *tgsi_semantic_names[TGSI_SEMANTIC_COUNT] =
diff --git a/src/gallium/auxiliary/tgsi/tgsi_text.c b/src/gallium/auxiliary/tgsi/tgsi_text.c
index a45ab90..d72d843 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_text.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_text.c
@@ -1350,6 +1350,11 @@ static boolean parse_declaration( struct translate_ctx *ctx )
decl.SamplerView.ReturnTypeX;
}
ctx->cur = cur;
+ } else if (file == TGSI_FILE_BUFFER) {
+ if (str_match_nocase_whole(&cur, "ATOMIC")) {
+ decl.Declaration.Atomic = 1;
+ ctx->cur = cur;
+ }
} else {
if (str_match_nocase_whole(&cur, "LOCAL")) {
decl.Declaration.Local = 1;
diff --git a/src/gallium/auxiliary/tgsi/tgsi_ureg.c b/src/gallium/auxiliary/tgsi/tgsi_ureg.c
index 59a4d36..0ad23dd 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_ureg.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_ureg.c
@@ -164,6 +164,12 @@ struct ureg_program
} image[PIPE_MAX_SHADER_IMAGES];
unsigned nr_images;
+ struct {
+ unsigned index;
+ bool atomic;
+ } buffer[PIPE_MAX_SHADER_BUFFERS];
+ unsigned nr_buffers;
+
struct util_bitmask *free_temps;
struct util_bitmask *local_temps;
struct util_bitmask *decl_temps;
@@ -697,6 +703,29 @@ ureg_DECL_image(struct ureg_program *ureg,
return reg;
}
+/* Allocate a new buffer.
+ */
+struct ureg_src ureg_DECL_buffer(struct ureg_program *ureg, unsigned nr,
+ bool atomic)
+{
+ struct ureg_src reg = ureg_src_register(TGSI_FILE_BUFFER, nr);
+ unsigned i;
+
+ for (i = 0; i < ureg->nr_buffers; i++)
+ if (ureg->buffer[i].index == nr)
+ return reg;
+
+ if (i < PIPE_MAX_SHADER_BUFFERS) {
+ ureg->buffer[i].index = nr;
+ ureg->buffer[i].atomic = atomic;
+ ureg->nr_buffers++;
+ return reg;
+ }
+
+ assert(0);
+ return reg;
+}
+
static int
match_or_expand_immediate64( const unsigned *v,
int type,
@@ -1554,6 +1583,25 @@ emit_decl_image(struct ureg_program *ureg,
}
static void
+emit_decl_buffer(struct ureg_program *ureg,
+ unsigned index,
+ bool atomic)
+{
+ 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 = TGSI_FILE_BUFFER;
+ out[0].decl.UsageMask = 0xf;
+ out[0].decl.Atomic = atomic;
+
+ out[1].value = 0;
+ out[1].decl_range.First = index;
+ out[1].decl_range.Last = index;
+}
+
+static void
emit_immediate( struct ureg_program *ureg,
const unsigned *v,
unsigned type )
@@ -1721,6 +1769,10 @@ static void emit_decls( struct ureg_program *ureg )
ureg->image[i].raw);
}
+ for (i = 0; i < ureg->nr_buffers; i++) {
+ emit_decl_buffer(ureg, ureg->buffer[i].index, ureg->buffer[i].atomic);
+ }
+
if (ureg->const_decls.nr_constant_ranges) {
for (i = 0; i < ureg->const_decls.nr_constant_ranges; i++) {
emit_decl_range(ureg,
diff --git a/src/gallium/auxiliary/tgsi/tgsi_ureg.h b/src/gallium/auxiliary/tgsi/tgsi_ureg.h
index 39b0a0f..4a411c6 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_ureg.h
+++ b/src/gallium/auxiliary/tgsi/tgsi_ureg.h
@@ -334,6 +334,9 @@ ureg_DECL_image(struct ureg_program *ureg,
boolean wr,
boolean raw);
+struct ureg_src
+ureg_DECL_buffer(struct ureg_program *ureg, unsigned nr, bool atomic);
+
static inline struct ureg_src
ureg_imm4f( struct ureg_program *ureg,
float a, float b,
diff --git a/src/gallium/include/pipe/p_shader_tokens.h b/src/gallium/include/pipe/p_shader_tokens.h
index d182962..815aff1 100644
--- a/src/gallium/include/pipe/p_shader_tokens.h
+++ b/src/gallium/include/pipe/p_shader_tokens.h
@@ -78,6 +78,7 @@ enum tgsi_file_type {
TGSI_FILE_SYSTEM_VALUE =9,
TGSI_FILE_IMAGE =10,
TGSI_FILE_SAMPLER_VIEW =11,
+ TGSI_FILE_BUFFER =12,
TGSI_FILE_COUNT /**< how many TGSI_FILE_ types */
};
@@ -127,7 +128,8 @@ struct tgsi_declaration
unsigned Invariant : 1; /**< invariant optimization? */
unsigned Local : 1; /**< optimize as subroutine local variable? */
unsigned Array : 1; /**< extra array info? */
- unsigned Padding : 6;
+ unsigned Atomic : 1; /**< atomic only? for TGSI_FILE_BUFFER */
+ unsigned Padding : 5;
};
struct tgsi_declaration_range
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