From 6dc904f600089014f5ed37ada4f200d71fbff714 Mon Sep 17 00:00:00 2001 From: Dave Airlie Date: Tue, 19 May 2020 12:18:20 +1000 Subject: draw: add support for indirect texture access This hooks up the switch statement generator to the draw code. Reviewed-by: Roland Scheidegger Part-of: --- src/gallium/auxiliary/draw/draw_llvm_sample.c | 25 +++++++++++++++++++++---- 1 file changed, 21 insertions(+), 4 deletions(-) diff --git a/src/gallium/auxiliary/draw/draw_llvm_sample.c b/src/gallium/auxiliary/draw/draw_llvm_sample.c index eee0c6319e5..26aa7fe1e31 100644 --- a/src/gallium/auxiliary/draw/draw_llvm_sample.c +++ b/src/gallium/auxiliary/draw/draw_llvm_sample.c @@ -318,10 +318,27 @@ draw_llvm_sampler_soa_emit_fetch_texel(const struct lp_build_sampler_soa *base, assert(texture_index < PIPE_MAX_SHADER_SAMPLER_VIEWS); assert(sampler_index < PIPE_MAX_SAMPLERS); - lp_build_sample_soa(&sampler->dynamic_state.static_state[texture_index].texture_state, - &sampler->dynamic_state.static_state[sampler_index].sampler_state, - &sampler->dynamic_state.base, - gallivm, params); + if (params->texture_index_offset) { + struct lp_build_sample_array_switch switch_info; + memset(&switch_info, 0, sizeof(switch_info)); + LLVMValueRef unit = LLVMBuildAdd(gallivm->builder, params->texture_index_offset, + lp_build_const_int32(gallivm, texture_index), ""); + lp_build_sample_array_init_soa(&switch_info, gallivm, params, unit, + 0, sampler->nr_samplers); + + for (unsigned i = 0; i < sampler->nr_samplers; i++) { + lp_build_sample_array_case_soa(&switch_info, i, + &sampler->dynamic_state.static_state[i].texture_state, + &sampler->dynamic_state.static_state[i].sampler_state, + &sampler->dynamic_state.base); + } + lp_build_sample_array_fini_soa(&switch_info); + } else { + lp_build_sample_soa(&sampler->dynamic_state.static_state[texture_index].texture_state, + &sampler->dynamic_state.static_state[sampler_index].sampler_state, + &sampler->dynamic_state.base, + gallivm, params); + } } -- cgit v1.2.3