gallium: add vertex stream argument to EMIT/ENDPRIM

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>

src/gallium/auxiliary/tgsi/tgsi_info.c

@@ -134,8 +134,8 @@ static const struct tgsi_opcode_info opcode_info[TGSI_OPCODE_LAST] =
    { 1, 2, 1, 0, 0, 0, OTHR, "TXF", TGSI_OPCODE_TXF },
    { 1, 2, 1, 0, 0, 0, OTHR, "TXQ", TGSI_OPCODE_TXQ },
    { 0, 0, 0, 0, 0, 0, NONE, "CONT", TGSI_OPCODE_CONT },
-   { 0, 0, 0, 0, 0, 0, NONE, "EMIT", TGSI_OPCODE_EMIT },
-   { 0, 0, 0, 0, 0, 0, NONE, "ENDPRIM", TGSI_OPCODE_ENDPRIM },
+   { 0, 1, 0, 0, 0, 0, NONE, "EMIT", TGSI_OPCODE_EMIT },
+   { 0, 1, 0, 0, 0, 0, NONE, "ENDPRIM", TGSI_OPCODE_ENDPRIM },
    { 0, 0, 0, 1, 0, 1, NONE, "BGNLOOP", TGSI_OPCODE_BGNLOOP },
    { 0, 0, 0, 0, 0, 1, NONE, "BGNSUB", TGSI_OPCODE_BGNSUB },
    { 0, 0, 0, 1, 1, 0, NONE, "ENDLOOP", TGSI_OPCODE_ENDLOOP },

src/gallium/docs/source/tgsi.rst

@@ -1646,14 +1646,14 @@ in any other type of shader.
 
 .. opcode:: EMIT - Emit
 
-  Generate a new vertex for the current primitive using the values in the
-  output registers.
+  Generate a new vertex for the current primitive into the specified vertex
+  stream using the values in the output registers.
 
 
 .. opcode:: ENDPRIM - End Primitive
 
-  Complete the current primitive (consisting of the emitted vertices),
-  and start a new one.
+  Complete the current primitive in the specified vertex stream (consisting of
+  the emitted vertices), and start a new one.
 
 
 GLSL ISA

src/mesa/state_tracker/st_glsl_to_tgsi.cpp

@@ -3139,14 +3139,14 @@ void
 glsl_to_tgsi_visitor::visit(ir_emit_vertex *ir)
 {
    assert(this->prog->Target == GL_GEOMETRY_PROGRAM_NV);
-   emit(ir, TGSI_OPCODE_EMIT);
+   emit(ir, TGSI_OPCODE_EMIT, undef_dst, st_src_reg_for_int(0));
 }
 
 void
 glsl_to_tgsi_visitor::visit(ir_end_primitive *ir)
 {
    assert(this->prog->Target == GL_GEOMETRY_PROGRAM_NV);
-   emit(ir, TGSI_OPCODE_ENDPRIM);
+   emit(ir, TGSI_OPCODE_ENDPRIM, undef_dst, st_src_reg_for_int(0));
 }
 
 glsl_to_tgsi_visitor::glsl_to_tgsi_visitor()