svga: add sample count to the surface_can_create interface

With this patch, sample count is also taken into account
when determining if a resource can be created.

Reviewed-by: Brian Paul <brianp@vmware.com>

diff --git a/src/gallium/drivers/svga/svga_resource.c b/src/gallium/drivers/svga/svga_resource.c
index 874cfa0..b9dca1e 100644 (file)
--- a/src/gallium/drivers/svga/svga_resource.c
+++ b/src/gallium/drivers/svga/svga_resource.c
@@ -85,6 +85,7 @@ svga_can_create_resource(struct pipe_screen *screen,
    SVGA3dSize base_level_size;
    uint32 numMipLevels;
    uint32 arraySize;
+   uint32 numSamples;
 
    if (res->target == PIPE_BUFFER) {
       format = SVGA3D_BUFFER;
@@ -93,6 +94,7 @@ svga_can_create_resource(struct pipe_screen *screen,
       base_level_size.depth = 1;
       numMipLevels = 1;
       arraySize = 1;
+      numSamples = 0;
 
    } else {
       if (res->target == PIPE_TEXTURE_CUBE)
@@ -107,10 +109,11 @@ svga_can_create_resource(struct pipe_screen *screen,
       base_level_size.depth = res->depth0;
       numMipLevels = res->last_level + 1;
       arraySize = res->array_size;
+      numSamples = res->nr_samples;
    }
 
    return sws->surface_can_create(sws, format, base_level_size, 
-                                  arraySize, numMipLevels);
+                                  arraySize, numMipLevels, numSamples);
 }
 
 

diff --git a/src/gallium/drivers/svga/svga_winsys.h b/src/gallium/drivers/svga/svga_winsys.h
index e8fe3e2..a067a7b 100644 (file)
--- a/src/gallium/drivers/svga/svga_winsys.h
+++ b/src/gallium/drivers/svga/svga_winsys.h
@@ -583,7 +583,8 @@ struct svga_winsys_screen
                          SVGA3dSurfaceFormat format,
                          SVGA3dSize size,
                          uint32 numLayers,
-                         uint32 numMipLevels);
+                         uint32 numMipLevels,
+                         uint32 numSamples);
 
    /**
     * Buffer management. Buffer attributes are mostly fixed over its lifetime.

diff --git a/src/gallium/winsys/svga/drm/vmw_screen_svga.c b/src/gallium/winsys/svga/drm/vmw_screen_svga.c
index 9decf0c..0157f60 100644 (file)
--- a/src/gallium/winsys/svga/drm/vmw_screen_svga.c
+++ b/src/gallium/winsys/svga/drm/vmw_screen_svga.c
@@ -309,7 +309,8 @@ vmw_svga_winsys_surface_can_create(struct svga_winsys_screen *sws,
                                SVGA3dSurfaceFormat format,
                                SVGA3dSize size,
                                uint32 numLayers,
-                               uint32 numMipLevels)
+                               uint32 numMipLevels,
+                               uint32 numSamples)
 {
    struct vmw_winsys_screen *vws = vmw_winsys_screen(sws);
    uint32_t buffer_size;
@@ -317,6 +318,9 @@ vmw_svga_winsys_surface_can_create(struct svga_winsys_screen *sws,
    buffer_size = svga3dsurface_get_serialized_size(format, size, 
                                                    numMipLevels, 
                                                    numLayers);
+   if (numSamples > 1)
+      buffer_size *= numSamples;
+
    if (buffer_size > vws->ioctl.max_texture_size) {
        return FALSE;
    }