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-rw-r--r--src/gallium/drivers/svga/svga_format.c26
-rw-r--r--src/gallium/drivers/svga/svga_format.h3
2 files changed, 29 insertions, 0 deletions
diff --git a/src/gallium/drivers/svga/svga_format.c b/src/gallium/drivers/svga/svga_format.c
index d8ccfbd947a..3a2f7df2427 100644
--- a/src/gallium/drivers/svga/svga_format.c
+++ b/src/gallium/drivers/svga/svga_format.c
@@ -2337,3 +2337,29 @@ svga_format_is_shareable(const struct svga_screen *ss,
return false;
}
+
+
+/**
+ * Return the sRGB format which corresponds to the given (linear) format.
+ * If there's no such sRGB format, return the format as-is.
+ */
+SVGA3dSurfaceFormat
+svga_linear_to_srgb(SVGA3dSurfaceFormat format)
+{
+ switch (format) {
+ case SVGA3D_R8G8B8A8_UNORM:
+ return SVGA3D_R8G8B8A8_UNORM_SRGB;
+ case SVGA3D_BC1_UNORM:
+ return SVGA3D_BC1_UNORM_SRGB;
+ case SVGA3D_BC2_UNORM:
+ return SVGA3D_BC2_UNORM_SRGB;
+ case SVGA3D_BC3_UNORM:
+ return SVGA3D_BC3_UNORM_SRGB;
+ case SVGA3D_B8G8R8A8_UNORM:
+ return SVGA3D_B8G8R8A8_UNORM_SRGB;
+ case SVGA3D_B8G8R8X8_UNORM:
+ return SVGA3D_B8G8R8X8_UNORM_SRGB;
+ default:
+ return format;
+ }
+}
diff --git a/src/gallium/drivers/svga/svga_format.h b/src/gallium/drivers/svga/svga_format.h
index 63be8f1ad79..55d89ed2b48 100644
--- a/src/gallium/drivers/svga/svga_format.h
+++ b/src/gallium/drivers/svga/svga_format.h
@@ -117,4 +117,7 @@ svga_format_is_shareable(const struct svga_screen *ss,
SVGA3dSurfaceFormat sformat,
unsigned bind,
bool verbose);
+
+SVGA3dSurfaceFormat
+svga_linear_to_srgb(SVGA3dSurfaceFormat format);
#endif /* SVGA_FORMAT_H_ */