[Mesa-dev] [RFC 08/10] mesa/formats: store whether or not a format is sRGB in gl_format_info

Nanley Chery nanleychery at gmail.com
Tue May 19 17:48:16 PDT 2015


From: Nanley Chery <nanley.g.chery at intel.com>

Signed-off-by: Nanley Chery <nanley.g.chery at intel.com>
---
 src/mesa/main/format_info.py |  2 ++
 src/mesa/main/formats.c      | 29 +++++------------------------
 2 files changed, 7 insertions(+), 24 deletions(-)

diff --git a/src/mesa/main/format_info.py b/src/mesa/main/format_info.py
index 40104a2..8134e8e 100644
--- a/src/mesa/main/format_info.py
+++ b/src/mesa/main/format_info.py
@@ -191,6 +191,8 @@ for fmat in formats:
    bits = [ get_channel_bits(fmat, name) for name in ['l', 'i', 'z', 's']]
    print '      {0},'.format(', '.join(map(str, bits)))
 
+   print '      {0:d},'.format(fmat.colorspace == 'srgb')
+
    print '      {0}, {1}, {2},'.format(fmat.block_width, fmat.block_height,
                                        int(fmat.block_size() / 8))
 
diff --git a/src/mesa/main/formats.c b/src/mesa/main/formats.c
index 25606f9..3ee9aa7 100644
--- a/src/mesa/main/formats.c
+++ b/src/mesa/main/formats.c
@@ -65,6 +65,9 @@ struct gl_format_info
    GLubyte DepthBits;
    GLubyte StencilBits;
 
+
+   GLboolean IsSRGBFormat;
+
    /**
     * To describe compressed formats.  If not compressed, Width=Height=1.
     */
@@ -542,30 +545,8 @@ _mesa_is_format_color_format(mesa_format format)
 GLenum
 _mesa_get_format_color_encoding(mesa_format format)
 {
-   /* XXX this info should be encoded in gl_format_info */
-   switch (format) {
-   case MESA_FORMAT_BGR_SRGB8:
-   case MESA_FORMAT_A8B8G8R8_SRGB:
-   case MESA_FORMAT_B8G8R8A8_SRGB:
-   case MESA_FORMAT_A8R8G8B8_SRGB:
-   case MESA_FORMAT_R8G8B8A8_SRGB:
-   case MESA_FORMAT_L_SRGB8:
-   case MESA_FORMAT_L8A8_SRGB:
-   case MESA_FORMAT_A8L8_SRGB:
-   case MESA_FORMAT_SRGB_DXT1:
-   case MESA_FORMAT_SRGBA_DXT1:
-   case MESA_FORMAT_SRGBA_DXT3:
-   case MESA_FORMAT_SRGBA_DXT5:
-   case MESA_FORMAT_R8G8B8X8_SRGB:
-   case MESA_FORMAT_ETC2_SRGB8:
-   case MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC:
-   case MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1:
-   case MESA_FORMAT_B8G8R8X8_SRGB:
-   case MESA_FORMAT_BPTC_SRGB_ALPHA_UNORM:
-      return GL_SRGB;
-   default:
-      return GL_LINEAR;
-   }
+   const struct gl_format_info *info = _mesa_get_format_info(format);
+   return info->IsSRGBFormat ? GL_SRGB : GL_LINEAR;
 }
 
 
-- 
2.4.1



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