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authorDave Airlie <[email protected]>2011-01-13 17:22:54 +1000
committerDave Airlie <[email protected]>2011-01-16 12:54:07 +1000
commit527bf67682db70091abf9c5395433bf9b8b98aab (patch)
treef82f62df57e616d004779aad3440fecd39092f7f /src/mesa/state_tracker
parent9b1a15e1cb42247703422d1d25c7150214778f84 (diff)
gallium: add EXT_texture_sRGB_decode.
This uses a sampler view to access the texture with the alternate format. Signed-off-by: Dave Airlie <[email protected]>
Diffstat (limited to 'src/mesa/state_tracker')
-rw-r--r--src/mesa/state_tracker/st_atom_texture.c4
-rw-r--r--src/mesa/state_tracker/st_extensions.c1
2 files changed, 5 insertions, 0 deletions
diff --git a/src/mesa/state_tracker/st_atom_texture.c b/src/mesa/state_tracker/st_atom_texture.c
index 029b0403462..422ae43585b 100644
--- a/src/mesa/state_tracker/st_atom_texture.c
+++ b/src/mesa/state_tracker/st_atom_texture.c
@@ -221,6 +221,10 @@ update_textures(struct st_context *st)
firstImage = st_texture_image(stObj->base.Image[0][stObj->base.BaseLevel]);
firstImageFormat = st_mesa_format_to_pipe_format(firstImage->base.TexFormat);
+ if ((stObj->base.sRGBDecode == GL_SKIP_DECODE_EXT) && (_mesa_get_format_color_encoding(firstImage->base.TexFormat) == GL_SRGB)) {
+ firstImageFormat = st_mesa_format_to_pipe_format(_mesa_get_srgb_format_linear(firstImage->base.TexFormat));
+ }
+
if (firstImageFormat != stObj->pt->format)
st_view_format = firstImageFormat;
diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c
index aead5927102..abaf8235416 100644
--- a/src/mesa/state_tracker/st_extensions.c
+++ b/src/mesa/state_tracker/st_extensions.c
@@ -387,6 +387,7 @@ void st_init_extensions(struct st_context *st)
PIPE_TEXTURE_2D, 0,
PIPE_BIND_SAMPLER_VIEW, 0)) {
ctx->Extensions.EXT_texture_sRGB = GL_TRUE;
+ ctx->Extensions.EXT_texture_sRGB_decode = GL_TRUE;
}
if (screen->is_format_supported(screen, PIPE_FORMAT_R8G8_UNORM,