Module: Mesa Branch: master Commit: da2eed36f3ccdd8ada2dc701d722f475dcf3dbea URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=da2eed36f3ccdd8ada2dc701d722f475dcf3dbea
Author: Alyssa Rosenzweig <alyssa.rosenzw...@collabora.com> Date: Wed Jul 15 09:56:24 2020 -0400 pan/mdg: Implement gl_SampleID Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzw...@collabora.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5929> --- src/panfrost/midgard/midgard_compile.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/src/panfrost/midgard/midgard_compile.c b/src/panfrost/midgard/midgard_compile.c index d8780dfd60b..fa9ff9eb07f 100644 --- a/src/panfrost/midgard/midgard_compile.c +++ b/src/panfrost/midgard/midgard_compile.c @@ -1635,6 +1635,22 @@ emit_vertex_builtin(compiler_context *ctx, nir_intrinsic_instr *instr) emit_attr_read(ctx, reg, vertex_builtin_arg(instr->intrinsic), 1, nir_type_int); } +static void +emit_msaa_builtin(compiler_context *ctx, nir_intrinsic_instr *instr) +{ + unsigned reg = nir_dest_index(&instr->dest); + + midgard_instruction ld = m_ld_color_buffer_32u(reg, 0); + ld.load_store.op = midgard_op_ld_color_buffer_32u_old; + ld.load_store.address = 97; + ld.load_store.arg_2 = 0x1E; + + for (int i = 0; i < 4; ++i) + ld.swizzle[0][i] = COMPONENT_X; + + emit_mir_instruction(ctx, ld); +} + static void emit_control_barrier(compiler_context *ctx) { @@ -2015,6 +2031,10 @@ emit_intrinsic(compiler_context *ctx, nir_intrinsic_instr *instr) emit_vertex_builtin(ctx, instr); break; + case nir_intrinsic_load_sample_id: + emit_msaa_builtin(ctx, instr); + break; + case nir_intrinsic_memory_barrier_buffer: case nir_intrinsic_memory_barrier_shared: break; _______________________________________________ mesa-commit mailing list mesa-commit@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/mesa-commit
