libxcb xserver mesa git update 16 Aug 2012

1 files changed, 30 insertions, 6 deletions

diff --git a/mesalib/src/gallium/auxiliary/util/u_blitter.h b/mesalib/src/gallium/auxiliary/util/u_blitter.h
index 7600391c5..f227902c1 100644
--- a/mesalib/src/gallium/auxiliary/util/u_blitter.h
+++ b/mesalib/src/gallium/auxiliary/util/u_blitter.h
@@ -156,10 +156,6 @@ void util_blitter_clear(struct blitter_context *blitter,
                         const union pipe_color_union *color,
                         double depth, unsigned stencil);
 
-void util_blitter_clear_depth_custom(struct blitter_context *blitter,
-                                     unsigned width, unsigned height,
-                                     double depth, void *custom_dsa);
-
 /**
  * Check if the blitter (with the help of the driver) can blit between
  * the two resources.
@@ -178,6 +174,10 @@ boolean util_blitter_is_copy_supported(struct blitter_context *blitter,
  * a software fallback path is taken and both surfaces must be of the same
  * format.
  *
+ * Only one sample of a multisample texture can be copied and is specified by
+ * src_sample. If the destination is a multisample resource, dst_sample_mask
+ * specifies the sample mask. For single-sample resources, set dst_sample_mask
+ * to ~0.
  *
  * These states must be saved in the blitter in addition to the state objects
  * already required to be saved:
@@ -190,10 +190,10 @@ boolean util_blitter_is_copy_supported(struct blitter_context *blitter,
  */
 void util_blitter_copy_texture(struct blitter_context *blitter,
                                struct pipe_resource *dst,
-                               unsigned dst_level,
+                               unsigned dst_level, unsigned dst_sample_mask,
                                unsigned dstx, unsigned dsty, unsigned dstz,
                                struct pipe_resource *src,
-                               unsigned src_level,
+                               unsigned src_level, unsigned src_sample,
                                const struct pipe_box *srcbox);
 
 /**
@@ -218,8 +218,10 @@ void util_blitter_copy_texture(struct blitter_context *blitter,
  */
 void util_blitter_copy_texture_view(struct blitter_context *blitter,
                                     struct pipe_surface *dst,
+                                    unsigned dst_sample_mask,
                                     unsigned dstx, unsigned dsty,
                                     struct pipe_sampler_view *src,
+                                    unsigned src_sample,
                                     const struct pipe_box *srcbox,
                                     unsigned src_width0, unsigned src_height0,
                                     unsigned mask);
@@ -288,11 +290,33 @@ void util_blitter_clear_depth_stencil(struct blitter_context *blitter,
                                       unsigned dstx, unsigned dsty,
                                       unsigned width, unsigned height);
 
+/* The following functions are customized variants of the clear functions.
+ * Some drivers use them internally to do things like MSAA resolve
+ * and resource decompression. It usually consists of rendering a full-screen
+ * quad with a special blend or DSA state.
+ */
+
+/* Used by r300g for depth decompression. */
+void util_blitter_custom_clear_depth(struct blitter_context *blitter,
+                                     unsigned width, unsigned height,
+                                     double depth, void *custom_dsa);
+
+/* Used by r600g for depth decompression. */
 void util_blitter_custom_depth_stencil(struct blitter_context *blitter,
 				       struct pipe_surface *zsurf,
 				       struct pipe_surface *cbsurf,
+				       unsigned sample_mask,
 				       void *dsa_stage, float depth);
 
+/* Used by r600g for MSAA color resolve. */
+void util_blitter_custom_resolve_color(struct blitter_context *blitter,
+                                       struct pipe_resource *dst,
+                                       unsigned dst_level,
+                                       unsigned dst_layer,
+                                       struct pipe_resource *src,
+                                       unsigned src_layer,
+                                       void *custom_blend);
+
 /* The functions below should be used to save currently bound constant state
  * objects inside a driver. The objects are automatically restored at the end
  * of the util_blitter_{clear, copy_region, fill_region} functions and then