OpenHarmony/third_party_mesa3d
2
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

tgsi: add a TXQS opcode to retrieve the number of texture samples

Browse Source 
Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Roland Scheidegger <sroland@vmware.com>
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
This commit is contained in:
Ilia Mirkin
2015-09-10 21:37:23 -04:00
parent c4cf824658
commit d173c5e77d
3 changed files with 14 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
src/gallium/auxiliary/tgsi/tgsi_info.c
View File

@@ -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, 1, 1, 0, NONE, "ENDLOOP", TGSI_OPCODE_ENDLOOP },
{ 0, 0, 0, 0, 1, 0, NONE, "ENDSUB", TGSI_OPCODE_ENDSUB }, { 0, 0, 0, 0, 1, 0, NONE, "ENDSUB", TGSI_OPCODE_ENDSUB },
{ 1, 1, 1, 0, 0, 0, OTHR, "TXQ_LZ", TGSI_OPCODE_TXQ_LZ }, { 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, "", 105 }, /* removed */
{ 0, 0, 0, 0, 0, 0, NONE, "", 106 }, /* removed */ { 0, 0, 0, 0, 0, 0, NONE, "", 106 }, /* removed */
{ 0, 0, 0, 0, 0, 0, NONE, "NOP", TGSI_OPCODE_NOP }, { 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_SAD: /* XXX some src args may be signed for SAD ? */
case TGSI_OPCODE_TXQ: case TGSI_OPCODE_TXQ:
case TGSI_OPCODE_TXQ_LZ: case TGSI_OPCODE_TXQ_LZ:
case TGSI_OPCODE_TXQS:
case TGSI_OPCODE_F2U: case TGSI_OPCODE_F2U:
case TGSI_OPCODE_UDIV: case TGSI_OPCODE_UDIV:
case TGSI_OPCODE_UMAD: case TGSI_OPCODE_UMAD:

12
src/gallium/docs/source/tgsi.rst
View File

@@ -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 For components which don't return a resource dimension, their value
is undefined. is undefined.
.. math:: .. math::
lod = src0.x lod = src0.x
@@ -973,6 +972,17 @@ XXX doesn't look like most of the opcodes really belong here.
dst.w = texture\_levels(unit) 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 .. opcode:: TG4 - Texture Gather
As per ARB_texture_gather, gathers the four texels to be used in a bi-linear As per ARB_texture_gather, gathers the four texels to be used in a bi-linear

1
src/gallium/include/pipe/p_shader_tokens.h
View File

@@ -402,6 +402,7 @@ struct tgsi_property_data {
#define TGSI_OPCODE_ENDLOOP 101 #define TGSI_OPCODE_ENDLOOP 101
#define TGSI_OPCODE_ENDSUB 102 #define TGSI_OPCODE_ENDSUB 102
#define TGSI_OPCODE_TXQ_LZ 103 /* TXQ for mipmap level 0 */ #define TGSI_OPCODE_TXQ_LZ 103 /* TXQ for mipmap level 0 */
#define TGSI_OPCODE_TXQS 104
/* gap */ /* gap */
#define TGSI_OPCODE_NOP 107 #define TGSI_OPCODE_NOP 107