Mesa (master): st/dri: refactor dri_msaa_resolve

[Marek Olšák]

Module: Mesa
Branch: master
Commit: fdf9d234e2aa46f865a59ec15b2d4167bebbc35b
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=fdf9d234e2aa46f865a59ec15b2d4167bebbc35b

Author: Marek Olšák <maraeo at gmail.com>
Date:   Fri May 31 21:43:50 2013 +0200

st/dri: refactor dri_msaa_resolve

The generic blit will be used by the following commit.

Reviewed-by: Brian Paul <brianp at vmware.com>

---

 .../state_trackers/dri/common/dri_drawable.c       |   16 ++++++++--------
 .../state_trackers/dri/common/dri_drawable.h       |    6 +++---
 src/gallium/state_trackers/dri/drm/dri2.c          |    5 ++++-
 3 files changed, 15 insertions(+), 12 deletions(-)

diff --git a/src/gallium/state_trackers/dri/common/dri_drawable.c b/src/gallium/state_trackers/dri/common/dri_drawable.c
index f784ee6..ff04d57 100644
--- a/src/gallium/state_trackers/dri/common/dri_drawable.c
+++ b/src/gallium/state_trackers/dri/common/dri_drawable.c
@@ -359,13 +359,10 @@ swap_fences_unref(struct dri_drawable *draw)
 }
 
 void
-dri_msaa_resolve(struct dri_context *ctx,
-                 struct dri_drawable *drawable,
-                 enum st_attachment_type att)
+dri_pipe_blit(struct pipe_context *pipe,
+              struct pipe_resource *dst,
+              struct pipe_resource *src)
 {
-   struct pipe_context *pipe = ctx->st->pipe;
-   struct pipe_resource *dst = drawable->textures[att];
-   struct pipe_resource *src = drawable->msaa_textures[att];
    struct pipe_blit_info blit;
 
    if (!dst || !src)
@@ -437,9 +434,12 @@ dri_flush(__DRIcontext *cPriv,
    /* Flush the drawable. */
    if ((flags & __DRI2_FLUSH_DRAWABLE) &&
        drawable->textures[ST_ATTACHMENT_BACK_LEFT]) {
-      /* Resolve MSAA buffers. */
       if (drawable->stvis.samples > 1) {
-         dri_msaa_resolve(ctx, drawable, ST_ATTACHMENT_BACK_LEFT);
+         /* Resolve the MSAA back buffer. */
+         dri_pipe_blit(ctx->st->pipe,
+                       drawable->textures[ST_ATTACHMENT_BACK_LEFT],
+                       drawable->msaa_textures[ST_ATTACHMENT_BACK_LEFT]);
+
          /* FRONT_LEFT is resolved in drawable->flush_frontbuffer. */
       }
 
diff --git a/src/gallium/state_trackers/dri/common/dri_drawable.h b/src/gallium/state_trackers/dri/common/dri_drawable.h
index 56f8a40..50e5cc4 100644
--- a/src/gallium/state_trackers/dri/common/dri_drawable.h
+++ b/src/gallium/state_trackers/dri/common/dri_drawable.h
@@ -110,9 +110,9 @@ dri_drawable_get_format(struct dri_drawable *drawable,
                         unsigned *bind);
 
 void
-dri_msaa_resolve(struct dri_context *ctx,
-                 struct dri_drawable *drawable,
-                 enum st_attachment_type att);
+dri_pipe_blit(struct pipe_context *pipe,
+              struct pipe_resource *dst,
+              struct pipe_resource *src);
 
 void
 dri_flush(__DRIcontext *cPriv,
diff --git a/src/gallium/state_trackers/dri/drm/dri2.c b/src/gallium/state_trackers/dri/drm/dri2.c
index 4117a9f..50628a6 100644
--- a/src/gallium/state_trackers/dri/drm/dri2.c
+++ b/src/gallium/state_trackers/dri/drm/dri2.c
@@ -470,7 +470,10 @@ dri2_flush_frontbuffer(struct dri_context *ctx,
    if (drawable->stvis.samples > 1) {
       struct pipe_context *pipe = ctx->st->pipe;
 
-      dri_msaa_resolve(ctx, drawable, ST_ATTACHMENT_FRONT_LEFT);
+      /* Resolve the front buffer. */
+      dri_pipe_blit(ctx->st->pipe,
+                    drawable->textures[ST_ATTACHMENT_FRONT_LEFT],
+                    drawable->msaa_textures[ST_ATTACHMENT_FRONT_LEFT]);
       pipe->flush(pipe, NULL, 0);
    }