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| author | Ilia Mirkin <imirkin@alum.mit.edu> | 2015-09-10 21:37:23 -0400 |
|---|---|---|
| committer | Ilia Mirkin <imirkin@alum.mit.edu> | 2015-09-13 18:24:01 -0400 |
| commit | d173c5e77d239618e9609788e3d23ac9180a58a5 (patch) | |
| tree | 97926d5f4f69b65ba2d0531ffaac7ec7a7a49087 /src | |
| parent | c4cf824658da283cf350fd6833d50dff9de4a1ad (diff) | |
| download | external_mesa3d-d173c5e77d239618e9609788e3d23ac9180a58a5.zip external_mesa3d-d173c5e77d239618e9609788e3d23ac9180a58a5.tar.gz external_mesa3d-d173c5e77d239618e9609788e3d23ac9180a58a5.tar.bz2 | |
tgsi: add a TXQS opcode to retrieve the number of texture samples
Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Roland Scheidegger <sroland@vmware.com>
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/gallium/auxiliary/tgsi/tgsi_info.c | 3 | ||||
| -rw-r--r-- | src/gallium/docs/source/tgsi.rst | 12 | ||||
| -rw-r--r-- | src/gallium/include/pipe/p_shader_tokens.h | 1 |
3 files changed, 14 insertions, 2 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_info.c b/src/gallium/auxiliary/tgsi/tgsi_info.c index fb29ea0..3b40c3d 100644 --- a/src/gallium/auxiliary/tgsi/tgsi_info.c +++ b/src/gallium/auxiliary/tgsi/tgsi_info.c @@ -141,7 +141,7 @@ static const struct tgsi_opcode_info opcode_info[TGSI_OPCODE_LAST] = { 0, 0, 0, 1, 1, 0, NONE, "ENDLOOP", TGSI_OPCODE_ENDLOOP }, { 0, 0, 0, 0, 1, 0, NONE, "ENDSUB", TGSI_OPCODE_ENDSUB }, { 1, 1, 1, 0, 0, 0, OTHR, "TXQ_LZ", TGSI_OPCODE_TXQ_LZ }, - { 0, 0, 0, 0, 0, 0, NONE, "", 104 }, /* removed */ + { 1, 1, 1, 0, 0, 0, OTHR, "TXQS", TGSI_OPCODE_TXQS }, { 0, 0, 0, 0, 0, 0, NONE, "", 105 }, /* removed */ { 0, 0, 0, 0, 0, 0, NONE, "", 106 }, /* removed */ { 0, 0, 0, 0, 0, 0, NONE, "NOP", TGSI_OPCODE_NOP }, @@ -331,6 +331,7 @@ tgsi_opcode_infer_type( uint opcode ) case TGSI_OPCODE_SAD: /* XXX some src args may be signed for SAD ? */ case TGSI_OPCODE_TXQ: case TGSI_OPCODE_TXQ_LZ: + case TGSI_OPCODE_TXQS: case TGSI_OPCODE_F2U: case TGSI_OPCODE_UDIV: case TGSI_OPCODE_UMAD: diff --git a/src/gallium/docs/source/tgsi.rst b/src/gallium/docs/source/tgsi.rst index 314c9ca..314fe1b 100644 --- a/src/gallium/docs/source/tgsi.rst +++ b/src/gallium/docs/source/tgsi.rst @@ -960,7 +960,6 @@ XXX doesn't look like most of the opcodes really belong here. For components which don't return a resource dimension, their value is undefined. - .. math:: lod = src0.x @@ -973,6 +972,17 @@ XXX doesn't look like most of the opcodes really belong here. dst.w = texture\_levels(unit) + +.. opcode:: TXQS - Texture Samples Query + + This retrieves the number of samples in the texture, and stores it + into the x component. The other components are undefined. + +.. math:: + + dst.x = texture\_samples(unit) + + .. opcode:: TG4 - Texture Gather As per ARB_texture_gather, gathers the four texels to be used in a bi-linear diff --git a/src/gallium/include/pipe/p_shader_tokens.h b/src/gallium/include/pipe/p_shader_tokens.h index 6e07b2c..b36e0a3 100644 --- a/src/gallium/include/pipe/p_shader_tokens.h +++ b/src/gallium/include/pipe/p_shader_tokens.h @@ -402,6 +402,7 @@ struct tgsi_property_data { #define TGSI_OPCODE_ENDLOOP 101 #define TGSI_OPCODE_ENDSUB 102 #define TGSI_OPCODE_TXQ_LZ 103 /* TXQ for mipmap level 0 */ +#define TGSI_OPCODE_TXQS 104 /* gap */ #define TGSI_OPCODE_NOP 107 |