Józef Kucia : wined3d: Implement vCoverage register.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: a4bcee5dcca4583bb13782cc2f77e7d066453c96
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=a4bcee5dcca4583bb13782cc2...

Author: Józef Kucia <jkucia(a)codeweavers.com>
Date:   Tue Sep 18 16:05:57 2018 +0200

wined3d: Implement vCoverage register.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=45848
Signed-off-by: Józef Kucia <jkucia(a)codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet(a)codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard(a)winehq.org>

---

 dlls/wined3d/glsl_shader.c     | 4 ++++
 dlls/wined3d/wined3d_private.h | 1 +
 2 files changed, 5 insertions(+)

diff --git a/dlls/wined3d/glsl_shader.c b/dlls/wined3d/glsl_shader.c
index 64c8b77..5234808 100644
--- a/dlls/wined3d/glsl_shader.c
+++ b/dlls/wined3d/glsl_shader.c
@@ -3280,6 +3280,10 @@ static void shader_glsl_get_register_name(const struct wined3d_shader_register *
                 string_buffer_sprintf(register_name, "vpc[%u]", reg->idx[0].offset);
             break;
 
+        case WINED3DSPR_COVERAGE:
+            string_buffer_sprintf(register_name, "gl_SampleMaskIn[0]");
+            break;
+
         case WINED3DSPR_SAMPLEMASK:
             string_buffer_sprintf(register_name, "sample_mask");
             break;
diff --git a/dlls/wined3d/wined3d_private.h b/dlls/wined3d/wined3d_private.h
index 239873b..89cf44b 100644
--- a/dlls/wined3d/wined3d_private.h
+++ b/dlls/wined3d/wined3d_private.h
@@ -4154,6 +4154,7 @@ static inline BOOL shader_is_scalar(const struct wined3d_shader_register *reg)
         case WINED3DSPR_OUTPOINTID:
         case WINED3DSPR_PREDICATE:  /* p0 */
         case WINED3DSPR_PRIMID:     /* primID */
+        case WINED3DSPR_COVERAGE: /* vCoverage */
         case WINED3DSPR_SAMPLEMASK: /* oMask */
             return TRUE;