gallium: add new SAMP2HND and IMG2HND opcodes

This commit does not add support for the opcodes in gallivm or tgsi_to_nir.c

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Signed-off-by: Marek Olšák <marek.olsak@amd.com>

src/gallium/auxiliary/tgsi/tgsi_info.c

@@ -153,6 +153,8 @@ tgsi_opcode_infer_type(enum tgsi_opcode opcode)
    case TGSI_OPCODE_POPC:
    case TGSI_OPCODE_LSB:
    case TGSI_OPCODE_UMSB:
+   case TGSI_OPCODE_IMG2HND:
+   case TGSI_OPCODE_SAMP2HND:
       return TGSI_TYPE_UNSIGNED;
    case TGSI_OPCODE_ARL:
    case TGSI_OPCODE_ARR:

src/gallium/auxiliary/tgsi/tgsi_info_opcodes.h

@@ -162,8 +162,8 @@ OPCODE(1, 1, COMP, IABS)
 OPCODE(1, 1, COMP, ISSG)
 OPCODE(1, 2, OTHR, LOAD)
 OPCODE(1, 2, OTHR, STORE, .is_store = 1)
-OPCODE_GAP(163) /* removed */
-OPCODE_GAP(164) /* removed */
+OPCODE(1, 1, OTHR, IMG2HND)
+OPCODE(1, 1, OTHR, SAMP2HND, .is_tex = 1)
 OPCODE_GAP(165) /* removed */
 OPCODE(0, 0, OTHR, BARRIER)
 

src/gallium/auxiliary/tgsi/tgsi_opcode_tmp.h

@@ -160,6 +160,9 @@ OP13(UCMP)
 OP11(IABS)
 OP11(ISSG)
 
+OP11(IMG2HND)
+OP11(SAMP2HND)
+
 OP12(IMUL_HI)
 OP12(UMUL_HI)
 

src/gallium/docs/source/tgsi.rst

@@ -2592,6 +2592,31 @@ For these opcodes, the resource can be a BUFFER, IMAGE, or MEMORY.
   barrier in between.
 
 
+.. _bindlessopcodes:
+
+Bindless Opcodes
+^^^^^^^^^^^^^^^^
+
+These opcodes are for working with bindless sampler or image handles and
+require PIPE_CAP_BINDLESS_TEXTURE.
+
+.. opcode:: IMG2HND - Get a bindless handle for a image
+
+  Syntax: ``IMG2HND dst, image``
+
+  Example: ``IMG2HND TEMP[0], IMAGE[0]``
+
+  Sets 'dst' to a bindless handle for 'image'.
+
+.. opcode:: SAMP2HND - Get a bindless handle for a sampler
+
+  Syntax: ``SAMP2HND dst, sampler``
+
+  Example: ``SAMP2HND TEMP[0], SAMP[0]``
+
+  Sets 'dst' to a bindless handle for 'sampler'.
+
+
 .. _threadsyncopcodes:
 
 Inter-thread synchronization opcodes

src/gallium/include/pipe/p_shader_tokens.h

@@ -506,6 +506,8 @@ enum tgsi_opcode {
 
    TGSI_OPCODE_LOAD               = 161,
    TGSI_OPCODE_STORE              = 162,
+   TGSI_OPCODE_IMG2HND            = 163,
+   TGSI_OPCODE_SAMP2HND           = 164,
    /* gap */
    TGSI_OPCODE_BARRIER            = 166,