u_blitter: add a msaa parameter to util_blitter_clear

[mesa.git] / src / gallium / drivers / svga / svga_resource_texture.h

diff --git a/src/gallium/drivers/svga/svga_resource_texture.h b/src/gallium/drivers/svga/svga_resource_texture.h
index 6347ef6352faaed6047beeb600bf5c051fe5a1cf..0c1bb8c4eb1374b7cc15fdf2c0db9483b51fc46a 100644 (file)
--- a/src/gallium/drivers/svga/svga_resource_texture.h
+++ b/src/gallium/drivers/svga/svga_resource_texture.h
@@ -47,12 +47,12 @@ enum SVGA3dSurfaceFormat;
 extern struct u_resource_vtbl svga_texture_vtbl;
 
 
-struct svga_texture 
+struct svga_texture
 {
    struct u_resource b;
 
    ushort *defined;
-   
+
    struct svga_sampler_view *cached_view;
 
    unsigned view_age[SVGA_MAX_TEXTURE_LEVELS];
@@ -62,8 +62,8 @@ struct svga_texture
 
    /**
     * Creation key for the host surface handle.
-    * 
-    * This structure describes all the host surface characteristics so that it 
+    *
+    * This structure describes all the host surface characteristics so that it
     * can be looked up in cache, since creating a host surface is often a slow
     * operation.
     */
@@ -77,6 +77,13 @@ struct svga_texture
     */
    struct svga_winsys_surface *handle;
 
+   /**
+    * Whether the host side surface is validated, either through the
+    * InvalidateGBSurface command or after the surface is updated
+    * or rendered to.
+    */
+   boolean validated;
+
    /**
     * Whether the host side surface is imported and not created by this
     * driver.
@@ -95,8 +102,18 @@ struct svga_texture
 
    /** array indexed by cube face or 3D/array slice, one bit per mipmap level.
     *  Set if the level is marked as dirty.
-    */ 
+    */
    ushort *dirty;
+
+   /**
+    * A cached backing host side surface to be used if this texture is being
+    * used for rendering and sampling at the same time.
+    * Currently we only cache one handle. If needed, we can extend this to
+    * support multiple handles.
+    */
+   struct svga_host_surface_cache_key backed_key;
+   struct svga_winsys_surface *backed_handle;
+   unsigned backed_age;
 };
 
 
@@ -108,6 +125,7 @@ struct svga_transfer
    struct pipe_transfer base;
 
    unsigned slice;  /**< array slice or cube face */
+   SVGA3dBox box;   /* The adjusted box with slice index removed from z */
 
    struct svga_winsys_buffer *hwbuf;
 
@@ -195,6 +213,7 @@ svga_define_texture_level(struct svga_texture *tex,
 {
    check_face_level(tex, face, level);
    tex->defined[face] |= 1 << level;
+   tex->validated = TRUE;
 }
 
 
@@ -213,6 +232,7 @@ svga_set_texture_rendered_to(struct svga_texture *tex,
 {
    check_face_level(tex, face, level);
    tex->rendered_to[face] |= 1 << level;
+   tex->validated = TRUE;
 }
 
 
@@ -264,10 +284,10 @@ svga_texture_create(struct pipe_screen *screen,
 
 struct pipe_resource *
 svga_texture_from_handle(struct pipe_screen * screen,
-                       const struct pipe_resource *template,
-                       struct winsys_handle *whandle);
+                         const struct pipe_resource *template,
+                         struct winsys_handle *whandle);
 
-boolean
+bool
 svga_texture_generate_mipmap(struct pipe_context *pipe,
                              struct pipe_resource *pt,
                              enum pipe_format format,
@@ -294,4 +314,7 @@ void
 svga_texture_transfer_unmap_upload(struct svga_context *svga,
                                    struct svga_transfer *st);
 
+boolean
+svga_texture_device_format_has_alpha(struct pipe_resource *texture);
+
 #endif /* SVGA_TEXTURE_H */