diff options
| author | Deepak Rawat <drawat@vmware.com> | 2018-06-21 01:24:05 +0300 |
|---|---|---|
| committer | Thomas Hellstrom <thellstrom@vmware.com> | 2018-07-06 21:16:09 +0300 |
| commit | f9261b30d92f3835891648041ce8699b1fb9a694 (patch) | |
| tree | ae0b1b14fe65440d04b472666d5812df3be3133e | |
| parent | 14b1c33e84295693c3b1a1d7c6ac82b3f384cd17 (diff) | |
| download | linux-f9261b30d92f3835891648041ce8699b1fb9a694.tar.xz | |
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>
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/device_include/svga3d_surfacedefs.h | 20 | ||||
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_drv.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_surface.c | 17 |
3 files changed, 34 insertions, 5 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 diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h index 59af14714797..a67b54e4fd50 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h @@ -83,7 +83,7 @@ struct vmw_fpriv { struct drm_master *locked_master; struct ttm_object_file *tfile; - bool gb_aware; + bool gb_aware; /* user-space is guest-backed aware */ }; struct vmw_buffer_object { diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c b/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c index 1d4c010a0e48..7636bf2db17e 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c @@ -1399,6 +1399,7 @@ int vmw_surface_gb_priv_define(struct drm_device *dev, struct vmw_surface *srf; int ret; u32 num_layers = 1; + u32 sample_count = 1; *srf_out = NULL; @@ -1481,11 +1482,15 @@ int vmw_surface_gb_priv_define(struct drm_device *dev, else if (svga3d_flags & SVGA3D_SURFACE_CUBEMAP) num_layers = SVGA3D_MAX_SURFACE_FACES; + if (srf->flags & SVGA3D_SURFACE_MULTISAMPLE) + sample_count = srf->multisample_count; + srf->res.backup_size = - svga3dsurface_get_serialized_size(srf->format, - srf->base_size, - srf->mip_levels[0], - num_layers); + svga3dsurface_get_serialized_size_extended(srf->format, + srf->base_size, + srf->mip_levels[0], + num_layers, + sample_count); if (srf->flags & SVGA3D_SURFACE_BIND_STREAM_OUTPUT) srf->res.backup_size += sizeof(SVGA3dDXSOState); @@ -1595,6 +1600,10 @@ vmw_gb_surface_define_internal(struct drm_device *dev, return -EINVAL; } + if ((svga3d_flags_64 & SVGA3D_SURFACE_MULTISAMPLE) && + req->base.multisample_count == 0) + return -EINVAL; + if (req->base.mip_levels > DRM_VMW_MAX_MIP_LEVELS) return -EINVAL; |