---
src/gallium/drivers/svga/svga_format.c | 20 ++++++++++++++++++++
src/gallium/drivers/svga/svga_format.h | 4 ++++
2 files changed, 24 insertions(+)
diff --git a/src/gallium/drivers/svga/svga_format.c
b/src/gallium/drivers/svga/svga_format.c
index 17c3bf9..1b3cebe 100644
--- a/src/gallium/drivers/svga/svga_format.c
+++ b/src/gallium/drivers/svga/svga_format.c
@@ -2193,3 +2193,23 @@ svga_sampler_format(SVGA3dSurfaceFormat format)
return format;
}
}
+
+
+/**
+ * Is the given format an uncompressed snorm format?
+ */
+bool
+svga_format_is_uncompressed_snorm(SVGA3dSurfaceFormat format)
+{
+ switch (format) {
+ case SVGA3D_R8G8B8A8_SNORM:
+ case SVGA3D_R8G8_SNORM:
+ case SVGA3D_R8_SNORM:
+ case SVGA3D_R16G16B16A16_SNORM:
+ case SVGA3D_R16G16_SNORM:
+ case SVGA3D_R16_SNORM:
+ return true;
+ default:
+ return false;
+ }
+}
diff --git a/src/gallium/drivers/svga/svga_format.h
b/src/gallium/drivers/svga/svga_format.h
index 630a86a..e6258179 100644
--- a/src/gallium/drivers/svga/svga_format.h
+++ b/src/gallium/drivers/svga/svga_format.h
@@ -104,4 +104,8 @@ SVGA3dSurfaceFormat
svga_sampler_format(SVGA3dSurfaceFormat format);
+bool
+svga_format_is_uncompressed_snorm(SVGA3dSurfaceFormat format);
+
+
#endif /* SVGA_FORMAT_H_ */
--
1.9.1
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