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llvmpipe: add support for indirect texture access. 

This hooks up the sampler switch statement generator
 to the llvmpipe sampler interface.

Reviewed-by: Roland Scheidegger <sroland@vmware.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/3778>
This commit is contained in:
Dave Airlie 2020-05-19 12:18:52 +10:00 committed by Marge Bot
parent 6dc904f600
commit 52a050ea0a
1 changed files with 21 additions and 4 deletions
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25
src/gallium/drivers/llvmpipe/lp_tex_sample.c
View File

@ -360,10 +360,27 @@ lp_llvm_sampler_soa_emit_fetch_texel(const struct lp_build_sampler_soa *base,
return;
}
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);
}
}
/**