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authorDave Airlie <[email protected]>2010-12-18 10:34:35 +1000
committerDave Airlie <[email protected]>2010-12-24 07:19:57 +1000
commitc9c8a5ed02408495b3132cabd7947cc352a117a2 (patch)
treeb2f7d6a72e798d77c33d304b3ab69c280c4d5745 /src/gallium/auxiliary/tgsi/tgsi_ureg.c
parenteccffe2328aff8c81b82287cf9567a2a67ff09c6 (diff)
gallium: add fragment shader property for color writes to all buffers. (v2)
For GL fragColor semantics we need to tell the pipe drivers that the fragment shader color result is to be replicated to all bound color buffers, this adds the basic TGSI + documentation. v2: fix missing comma pointed out by Tilman on mesa-dev. Signed-off-by: Dave Airlie <[email protected]>
Diffstat (limited to 'src/gallium/auxiliary/tgsi/tgsi_ureg.c')
-rw-r--r--src/gallium/auxiliary/tgsi/tgsi_ureg.c16
1 files changed, 15 insertions, 1 deletions
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))) {