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-rw-r--r--src/gallium/auxiliary/tgsi/tgsi_text.c5
-rw-r--r--src/gallium/auxiliary/tgsi/tgsi_ureg.c16
-rw-r--r--src/gallium/auxiliary/tgsi/tgsi_ureg.h4
-rw-r--r--src/gallium/docs/source/tgsi.rst5
-rw-r--r--src/gallium/include/pipe/p_shader_tokens.h3
5 files changed, 30 insertions, 3 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_text.c b/src/gallium/auxiliary/tgsi/tgsi_text.c
index 9a38c37979c..ccb17b77504 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_text.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_text.c
@@ -1264,7 +1264,8 @@ static const char *property_names[] =
"GS_OUTPUT_PRIMITIVE",
"GS_MAX_OUTPUT_VERTICES",
"FS_COORD_ORIGIN",
- "FS_COORD_PIXEL_CENTER"
+ "FS_COORD_PIXEL_CENTER",
+ "FS_COLOR0_WRITE_ALL_CBUFS"
};
static const char *primitive_names[] =
@@ -1398,6 +1399,8 @@ static boolean parse_property( struct translate_ctx *ctx )
return FALSE;
}
break;
+ case TGSI_PROPERTY_FS_COLOR0_WRITES_ALL_CBUFS:
+ break;
default:
if (!parse_uint(&ctx->cur, &values[0] )) {
report_error( ctx, "Expected unsigned integer as property!" );
diff --git a/src/gallium/auxiliary/tgsi/tgsi_ureg.c b/src/gallium/auxiliary/tgsi/tgsi_ureg.c
index 7d13a17bdbc..02de12d77d5 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_ureg.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_ureg.c
@@ -148,6 +148,7 @@ struct ureg_program
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 nr_addrs;
unsigned nr_preds;
@@ -284,7 +285,12 @@ ureg_property_fs_coord_pixel_center(struct ureg_program *ureg,
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;
+}
struct ureg_src
ureg_DECL_fs_input_cyl_centroid(struct ureg_program *ureg,
@@ -1278,6 +1284,14 @@ static void emit_decls( struct ureg_program *ureg )
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->processor == TGSI_PROCESSOR_VERTEX) {
for (i = 0; i < UREG_MAX_INPUT; i++) {
if (ureg->vs_inputs[i/32] & (1 << (i%32))) {
diff --git a/src/gallium/auxiliary/tgsi/tgsi_ureg.h b/src/gallium/auxiliary/tgsi/tgsi_ureg.h
index acc463200a6..807128a5e52 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_ureg.h
+++ b/src/gallium/auxiliary/tgsi/tgsi_ureg.h
@@ -153,6 +153,10 @@ void
ureg_property_fs_coord_pixel_center(struct ureg_program *ureg,
unsigned fs_coord_pixel_center);
+void
+ureg_property_fs_color0_writes_all_cbufs(struct ureg_program *ureg,
+ unsigned fs_color0_writes_all_cbufs);
+
/***********************************************************************
* Build shader declarations:
*/
diff --git a/src/gallium/docs/source/tgsi.rst b/src/gallium/docs/source/tgsi.rst
index 7eb6bd05d7b..d986e6601e6 100644
--- a/src/gallium/docs/source/tgsi.rst
+++ b/src/gallium/docs/source/tgsi.rst
@@ -1516,6 +1516,11 @@ GL_ARB_fragment_coord_conventions extension.
DirectX 9 uses INTEGER.
DirectX 10 uses HALF_INTEGER.
+FS_COLOR0_WRITES_ALL_CBUFS
+""""""""""""""""""""""""""
+Specifies that writes to the fragment shader color 0 are replicated to all
+bound cbufs. This facilitates OpenGL's fragColor output vs fragData[0] where
+fragData is directed to a single color buffer, but fragColor is broadcast.
Texture Sampling and Texture Formats
diff --git a/src/gallium/include/pipe/p_shader_tokens.h b/src/gallium/include/pipe/p_shader_tokens.h
index ba433b2bd2a..0a9e14154d7 100644
--- a/src/gallium/include/pipe/p_shader_tokens.h
+++ b/src/gallium/include/pipe/p_shader_tokens.h
@@ -177,7 +177,8 @@ union tgsi_immediate_data
#define TGSI_PROPERTY_GS_MAX_OUTPUT_VERTICES 2
#define TGSI_PROPERTY_FS_COORD_ORIGIN 3
#define TGSI_PROPERTY_FS_COORD_PIXEL_CENTER 4
-#define TGSI_PROPERTY_COUNT 5
+#define TGSI_PROPERTY_FS_COLOR0_WRITES_ALL_CBUFS 5
+#define TGSI_PROPERTY_COUNT 6
struct tgsi_property {
unsigned Type : 4; /**< TGSI_TOKEN_TYPE_PROPERTY */