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mesa/st: add BPTC formats, expose ARB_texture_compression_bptc

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Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
Reviewed-by: Roland Scheidegger <sroland@vmware.com>
This commit is contained in:
Ilia Mirkin 2014-07-22 19:59:36 -04:00
parent 19563f0880
commit ffd706dac0
3 changed files with 49 additions and 1 deletions
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8
src/mesa/state_tracker/st_cb_texture.c
View file

@ -1016,6 +1016,7 @@ st_GetTexImage(struct gl_context * ctx,
case PIPE_FORMAT_RGTC1_UNORM:
case PIPE_FORMAT_RGTC2_UNORM:
case PIPE_FORMAT_ETC1_RGB8:
case PIPE_FORMAT_BPTC_RGBA_UNORM:
dst_glformat = GL_RGBA8;
break;
case PIPE_FORMAT_RGTC1_SNORM:
@ -1024,7 +1025,12 @@ st_GetTexImage(struct gl_context * ctx,
goto fallback;
dst_glformat = GL_RGBA8_SNORM;
break;
/* TODO: for BPTC_*FLOAT, set RGBA32F and check for ARB_texture_float */
case PIPE_FORMAT_BPTC_RGB_FLOAT:
case PIPE_FORMAT_BPTC_RGB_UFLOAT:
if (!ctx->Extensions.ARB_texture_float)
goto fallback;
dst_glformat = GL_RGBA32F;
break;
default:
assert(0);
goto fallback;

6
src/mesa/state_tracker/st_extensions.c
View file

@ -517,6 +517,12 @@ void st_init_extensions(struct pipe_screen *screen,
PIPE_FORMAT_DXT3_RGBA,
PIPE_FORMAT_DXT5_RGBA } },
{ { o(ARB_texture_compression_bptc) },
{ PIPE_FORMAT_BPTC_RGBA_UNORM,
PIPE_FORMAT_BPTC_SRGBA,
PIPE_FORMAT_BPTC_RGB_FLOAT,
PIPE_FORMAT_BPTC_RGB_UFLOAT } },
{ { o(EXT_texture_shared_exponent) },
{ PIPE_FORMAT_R9G9B9E5_FLOAT } },

36
src/mesa/state_tracker/st_format.c
View file

@ -328,6 +328,15 @@ st_mesa_format_to_pipe_format(struct st_context *st, mesa_format mesaFormat)
case MESA_FORMAT_ETC1_RGB8:
return st->has_etc1 ? PIPE_FORMAT_ETC1_RGB8 : PIPE_FORMAT_R8G8B8A8_UNORM;
case MESA_FORMAT_BPTC_RGBA_UNORM:
return PIPE_FORMAT_BPTC_RGBA_UNORM;
case MESA_FORMAT_BPTC_SRGB_ALPHA_UNORM:
return PIPE_FORMAT_BPTC_SRGBA;
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;
@ -707,6 +716,15 @@ 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:
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;
@ -1273,6 +1291,24 @@ 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, 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.
*/
{