From a8a2a3b82e3ea46b22ab3ac787c2c98111571153 Mon Sep 17 00:00:00 2001 From: Dave Airlie Date: Thu, 13 Jan 2011 17:22:54 +1000 Subject: [PATCH] gallium: add EXT_texture_sRGB_decode. This uses a sampler view to access the texture with the alternate format. Signed-off-by: Dave Airlie --- src/mesa/state_tracker/st_atom_texture.c | 4 ++++ src/mesa/state_tracker/st_extensions.c | 1 + 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 029b040..422ae43 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 d240cab..d2dad30 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, -- 1.7.3.2