X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fgallium%2Fdrivers%2Fsvga%2Fsvga_resource.c;h=b295b44ea376ee6cad0fb5d21c5549248ed85168;hb=413bc0a618d39873336cbfaf8fb5e43217f66ccf;hp=890c953a3c260bcabda71394d9777f2ae72a3359;hpb=b496136af84e396e7890082817b563dc53ac36fc;p=mesa.git

diff --git a/src/gallium/drivers/svga/svga_resource.c b/src/gallium/drivers/svga/svga_resource.c
index 890c953a3c2..b295b44ea37 100644
--- a/src/gallium/drivers/svga/svga_resource.c
+++ b/src/gallium/drivers/svga/svga_resource.c
@@ -30,6 +30,7 @@
 #include "svga_resource_texture.h"
 #include "svga_context.h"
 #include "svga_screen.h"
+#include "svga_format.h"
 
 
 static struct pipe_resource *
@@ -55,14 +56,53 @@ svga_resource_from_handle(struct pipe_screen * screen,
 }
 
 
+/**
+ * Check if a resource (texture, buffer) of the given size
+ * and format can be created.
+ * \Return TRUE if OK, FALSE if too large.
+ */
+static boolean
+svga_can_create_resource(struct pipe_screen *screen,
+                         const struct pipe_resource *res)
+{
+   struct svga_screen *svgascreen = svga_screen(screen);
+   struct svga_winsys_screen *sws = svgascreen->sws;
+   SVGA3dSurfaceFormat format;
+   SVGA3dSize base_level_size;
+   uint32 numFaces;
+   uint32 numMipLevels;
+
+   if (res->target == PIPE_BUFFER) {
+      format = SVGA3D_BUFFER;
+      base_level_size.width = res->width0;
+      base_level_size.height = 1;
+      base_level_size.depth = 1;
+      numFaces = 1;
+      numMipLevels = 1;
+
+   } else {
+      format = svga_translate_format(svgascreen, res->format, res->bind);
+      if (format == SVGA3D_FORMAT_INVALID)
+         return FALSE;
+
+      base_level_size.width = res->width0;
+      base_level_size.height = res->height0;
+      base_level_size.depth = res->depth0;
+      numFaces = (res->target == PIPE_TEXTURE_CUBE) ? 6 : 1;
+      numMipLevels = res->last_level + 1;
+   }
+
+   return sws->surface_can_create(sws, format, base_level_size, 
+                                  numFaces, numMipLevels);
+}
+
+
 void
 svga_init_resource_functions(struct svga_context *svga)
 {
-   svga->pipe.get_transfer = u_get_transfer_vtbl;
    svga->pipe.transfer_map = u_transfer_map_vtbl;
    svga->pipe.transfer_flush_region = u_transfer_flush_region_vtbl;
    svga->pipe.transfer_unmap = u_transfer_unmap_vtbl;
-   svga->pipe.transfer_destroy = u_transfer_destroy_vtbl;
    svga->pipe.transfer_inline_write = u_transfer_inline_write_vtbl;
 }
 
@@ -73,4 +113,5 @@ svga_init_screen_resource_functions(struct svga_screen *is)
    is->screen.resource_from_handle = svga_resource_from_handle;
    is->screen.resource_get_handle = u_resource_get_handle_vtbl;
    is->screen.resource_destroy = u_resource_destroy_vtbl;
+   is->screen.can_create_resource = svga_can_create_resource;
 }