From 1b415a5b2833c1642176601653021d4bbe895b35 Mon Sep 17 00:00:00 2001 From: Neha Bhende Date: Thu, 27 Apr 2017 10:37:02 -0700 Subject: [PATCH] svga: add function svga_linear_to_srgb() This function will return compatible svga srgb format for corresponding linear format Reviewed-by: Brian Paul Reviewed-by: Charmaine Lee --- src/gallium/drivers/svga/svga_format.c | 26 ++++++++++++++++++++++++++ src/gallium/drivers/svga/svga_format.h | 3 +++ 2 files changed, 29 insertions(+) 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_ */ -- 2.30.2