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authorIlia Mirkin <[email protected]>2015-09-19 18:19:13 -0400
committerIlia Mirkin <[email protected]>2016-01-08 15:10:32 -0500
commit888ddd632d7f6af635cc948f1b3e8982b43800d2 (patch)
treec7e5e4072821364ccbcaeef9420c9ba1fecb03cc /src/gallium/auxiliary/tgsi/tgsi_ureg.c
parent8cc9a8aa2a97ca9e7a36a993954a3480d44c13d3 (diff)
ureg: add buffer support to ureg
Signed-off-by: Ilia Mirkin <[email protected]> Reviewed-by: Marek Olšák <[email protected]>
Diffstat (limited to 'src/gallium/auxiliary/tgsi/tgsi_ureg.c')
-rw-r--r--src/gallium/auxiliary/tgsi/tgsi_ureg.c52
1 files changed, 52 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_ureg.c b/src/gallium/auxiliary/tgsi/tgsi_ureg.c
index 59a4d3642a6..0ad23dd5e56 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,