summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/vmwgfx/device_include
diff options
context:
space:
mode:
authorDeepak Rawat <drawat@vmware.com>2018-06-20 15:24:05 -0700
committerThomas Hellstrom <thellstrom@vmware.com>2018-07-06 20:16:09 +0200
commitf9261b30d92f3835891648041ce8699b1fb9a694 (patch)
treeae0b1b14fe65440d04b472666d5812df3be3133e /drivers/gpu/drm/vmwgfx/device_include
parent14b1c33e84295693c3b1a1d7c6ac82b3f384cd17 (diff)
downloadtalos-obmc-linux-f9261b30d92f3835891648041ce8699b1fb9a694.tar.gz
talos-obmc-linux-f9261b30d92f3835891648041ce8699b1fb9a694.zip
drm/vmwgfx: Add support for multisampling
Support for SVGA3D_SURFACE_MULTISAMPLE and surface mob size according to sample count. Signed-off-by: Deepak Rawat <drawat@vmware.com> Reviewed-by: Sinclair Yeh <syeh@vmware.com> Reviewed-by: Brian Paul <brianp@vmware.com> Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Charmaine Lee <charmainel@vmware.com> Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Diffstat (limited to 'drivers/gpu/drm/vmwgfx/device_include')
-rw-r--r--drivers/gpu/drm/vmwgfx/device_include/svga3d_surfacedefs.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/gpu/drm/vmwgfx/device_include/svga3d_surfacedefs.h b/drivers/gpu/drm/vmwgfx/device_include/svga3d_surfacedefs.h
index 6422e3899cdf..809a4ec68e89 100644
--- a/drivers/gpu/drm/vmwgfx/device_include/svga3d_surfacedefs.h
+++ b/drivers/gpu/drm/vmwgfx/device_include/svga3d_surfacedefs.h
@@ -1235,6 +1235,26 @@ svga3dsurface_get_serialized_size(SVGA3dSurfaceFormat format,
return total_size * num_layers;
}
+/**
+ * svga3dsurface_get_serialized_size_extended - Returns the number of bytes
+ * required for a surface with given parameters. Support for sample count.
+ */
+static inline u32
+svga3dsurface_get_serialized_size_extended(SVGA3dSurfaceFormat format,
+ surf_size_struct base_level_size,
+ u32 num_mip_levels,
+ u32 num_layers,
+ u32 num_samples)
+{
+ uint64_t total_size =
+ svga3dsurface_get_serialized_size(format,
+ base_level_size,
+ num_mip_levels,
+ num_layers);
+ total_size *= max_t(u32, 1, num_samples);
+
+ return min_t(uint64_t, total_size, (uint64_t)U32_MAX);
+}
/**
* svga3dsurface_get_pixel_offset - Compute the offset (in bytes) to a pixel
OpenPOWER on IntegriCloud