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i965/vec4: support packing tcs inputs

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Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Edward O'Callaghan <funfunctor@folklore1984.net>
This commit is contained in:
Timothy Arceri 2016-06-23 14:26:16 +10:00
parent d1192bef7e
commit b25e49a3c7
2 changed files with 7 additions and 2 deletions
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8
src/mesa/drivers/dri/i965/brw_vec4_tcs.cpp
View file

@ -166,6 +166,7 @@ void
vec4_tcs_visitor::emit_input_urb_read(const dst_reg &dst,
const src_reg &vertex_index,
unsigned base_offset,
unsigned first_component,
const src_reg &indirect_offset)
{
vec4_instruction *inst;
@ -191,7 +192,9 @@ vec4_tcs_visitor::emit_input_urb_read(const dst_reg &dst,
if (inst->offset == 0 && indirect_offset.file == BAD_FILE) {
emit(MOV(dst, swizzle(src_reg(temp), BRW_SWIZZLE_WWWW)));
} else {
emit(MOV(dst, src_reg(temp)));
src_reg src = src_reg(temp);
src.swizzle = BRW_SWZ_COMP_INPUT(first_component);
emit(MOV(dst, src));
}
}
@ -267,7 +270,8 @@ vec4_tcs_visitor::nir_emit_intrinsic(nir_intrinsic_instr *instr)
dst_reg dst = get_nir_dest(instr->dest, BRW_REGISTER_TYPE_D);
dst.writemask = brw_writemask_for_size(instr->num_components);
emit_input_urb_read(dst, vertex_index, imm_offset, indirect_offset);
emit_input_urb_read(dst, vertex_index, imm_offset,
nir_intrinsic_component(instr), indirect_offset);
break;
}
case nir_intrinsic_load_input:

1
src/mesa/drivers/dri/i965/brw_vec4_tcs.h
View file

@ -60,6 +60,7 @@ protected:
void emit_input_urb_read(const dst_reg &dst,
const src_reg &vertex_index,
unsigned base_offset,
unsigned first_component,
const src_reg &indirect_offset);
void emit_output_urb_read(const dst_reg &dst,
unsigned base_offset,