OpenHarmony/third_party_mesa3d
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gallium: add EXT_texture_sRGB_decode.

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This uses a sampler view to access the texture with the alternate format.

Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie
2011-01-13 17:22:54 +10:00
committed by Dave Airlie
parent 9b1a15e1cb
commit 527bf67682
2 changed files with 5 additions and 0 deletions
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4
src/mesa/state_tracker/st_atom_texture.c
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@@ -221,6 +221,10 @@ update_textures(struct st_context *st)
firstImage = st_texture_image(stObj->base.Image[0][stObj->base.BaseLevel]); firstImage = st_texture_image(stObj->base.Image[0][stObj->base.BaseLevel]);
firstImageFormat = st_mesa_format_to_pipe_format(firstImage->base.TexFormat); 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) if (firstImageFormat != stObj->pt->format)
st_view_format = firstImageFormat; st_view_format = firstImageFormat;

1
src/mesa/state_tracker/st_extensions.c
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@@ -387,6 +387,7 @@ void st_init_extensions(struct st_context *st)
PIPE_TEXTURE_2D, 0, PIPE_TEXTURE_2D, 0,
PIPE_BIND_SAMPLER_VIEW, 0)) { PIPE_BIND_SAMPLER_VIEW, 0)) {
ctx->Extensions.EXT_texture_sRGB = GL_TRUE; 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, if (screen->is_format_supported(screen, PIPE_FORMAT_R8G8_UNORM,