See st_GetTexImage and search for BPTC. There is a TODO comment which
says what to do. All formats except for SRGBA must be added there.
Marek
On Wed, Jul 23, 2014 at 3:11 AM, Ilia Mirkin <imir...@alum.mit.edu> wrote:
> Signed-off-by: Ilia Mirkin <imir...@alum.mit.edu>
> ---
>
> This trivially depends on Neil's patches which add the mesa/core bits.
>
> src/mesa/state_tracker/st_extensions.c | 6 ++++++
> src/mesa/state_tracker/st_format.c | 36
> ++++++++++++++++++++++++++++++++++
> 2 files changed, 42 insertions(+)
>
> diff --git a/src/mesa/state_tracker/st_extensions.c
> b/src/mesa/state_tracker/st_extensions.c
> index aa59fbf..7297ffb 100644
> --- a/src/mesa/state_tracker/st_extensions.c
> +++ b/src/mesa/state_tracker/st_extensions.c
> @@ -491,6 +491,12 @@ void st_init_extensions(struct st_context *st)
> PIPE_FORMAT_DXT3_RGBA,
> PIPE_FORMAT_DXT5_RGBA } },
>
> + { { o(ARB_texture_compression_bptc) },
> + { PIPE_FORMAT_BPTC_RGBA_UNORM,
> + PIPE_FORMAT_BPTC_SRGBA_UNORM,
> + PIPE_FORMAT_BPTC_RGB_FLOAT,
> + PIPE_FORMAT_BPTC_RGB_UFLOAT } },
> +
> { { o(EXT_texture_shared_exponent) },
> { PIPE_FORMAT_R9G9B9E5_FLOAT } },
>
> diff --git a/src/mesa/state_tracker/st_format.c
> b/src/mesa/state_tracker/st_format.c
> index 409079b..4ce5d43 100644
> --- a/src/mesa/state_tracker/st_format.c
> +++ b/src/mesa/state_tracker/st_format.c
> @@ -326,6 +326,15 @@ st_mesa_format_to_pipe_format(mesa_format mesaFormat)
> case MESA_FORMAT_ETC1_RGB8:
> return PIPE_FORMAT_ETC1_RGB8;
>
> + case MESA_FORMAT_BPTC_RGBA_UNORM:
> + return PIPE_FORMAT_BPTC_RGBA_UNORM;
> + case MESA_FORMAT_BPTC_SRGB_ALPHA_UNORM:
> + return PIPE_FORMAT_BPTC_SRGBA_UNORM;
> + case MESA_FORMAT_BPTC_RGB_SIGNED_FLOAT:
> + return PIPE_FORMAT_BPTC_RGB_FLOAT;
> + case MESA_FORMAT_BPTC_RGB_UNSIGNED_FLOAT:
> + return PIPE_FORMAT_BPTC_RGB_UFLOAT;
> +
> /* signed normalized formats */
> case MESA_FORMAT_R_SNORM8:
> return PIPE_FORMAT_R8_SNORM;
> @@ -685,6 +694,15 @@ st_pipe_format_to_mesa_format(enum pipe_format format)
> case PIPE_FORMAT_ETC1_RGB8:
> return MESA_FORMAT_ETC1_RGB8;
>
> + case PIPE_FORMAT_BPTC_RGBA_UNORM:
> + return MESA_FORMAT_BPTC_RGBA_UNORM;
> + case PIPE_FORMAT_BPTC_SRGBA_UNORM:
> + return MESA_FORMAT_BPTC_SRGB_ALPHA_UNORM;
> + case PIPE_FORMAT_BPTC_RGB_FLOAT:
> + return MESA_FORMAT_BPTC_RGB_SIGNED_FLOAT;
> + case PIPE_FORMAT_BPTC_RGB_UFLOAT:
> + return MESA_FORMAT_BPTC_RGB_UNSIGNED_FLOAT;
> +
> /* signed normalized formats */
> case PIPE_FORMAT_R8_SNORM:
> return MESA_FORMAT_R_SNORM8;
> @@ -1238,6 +1256,24 @@ static const struct format_mapping format_map[] = {
> { PIPE_FORMAT_ETC1_RGB8, 0 }
> },
>
> + /* BPTC */
> + {
> + { GL_COMPRESSED_RGBA_BPTC_UNORM, 0 },
> + { PIPE_FORMAT_BPTC_RGBA_UNORM, 0 },
> + },
> + {
> + { GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM, 0 },
> + { PIPE_FORMAT_BPTC_SRGBA_UNORM, 0 },
> + },
> + {
> + { GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT, 0 },
> + { PIPE_FORMAT_BPTC_RGB_FLOAT, 0 },
> + },
> + {
> + { GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT, 0 },
> + { PIPE_FORMAT_BPTC_RGB_UFLOAT, 0 },
> + },
> +
> /* signed/unsigned integer formats.
> */
> {
> --
> 1.8.5.5
>
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> mesa-dev@lists.freedesktop.org
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