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pan/mdg: Implement nir_intrinsic_load_sample_mask_in

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Also goes down the magical ld_color_buffer_32u_old path, but with a
different magic number.

Maybe should just be the ld_magic instruction.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6516>
This commit is contained in:
Alyssa Rosenzweig 2020-08-27 19:55:53 -04:00
parent 41184f89eb
commit 80ebf110ae
1 changed files with 7 additions and 3 deletions
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10
src/panfrost/midgard/midgard_compile.c
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@ -1579,13 +1579,13 @@ emit_vertex_builtin(compiler_context *ctx, nir_intrinsic_instr *instr)
}
static void
emit_msaa_builtin(compiler_context *ctx, nir_intrinsic_instr *instr)
emit_special(compiler_context *ctx, nir_intrinsic_instr *instr, unsigned idx)
{
unsigned reg = nir_dest_index(&instr->dest);
midgard_instruction ld = m_ld_color_buffer_32u(reg, 0);
ld.op = midgard_op_ld_color_buffer_32u_old;
ld.load_store.address = 97;
ld.load_store.address = idx;
ld.load_store.arg_2 = 0x1E;
for (int i = 0; i < 4; ++i)
@ -1979,8 +1979,12 @@ emit_intrinsic(compiler_context *ctx, nir_intrinsic_instr *instr)
emit_vertex_builtin(ctx, instr);
break;
case nir_intrinsic_load_sample_mask_in:
emit_special(ctx, instr, 96);
break;
case nir_intrinsic_load_sample_id:
emit_msaa_builtin(ctx, instr);
emit_special(ctx, instr, 97);
break;
case nir_intrinsic_memory_barrier_buffer: