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draw/sample: add support for indirect images

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This uses the array functions to implement indirect image support
for draw shaders

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 2020-06-16 12:53:43 +10:00 • committed by Marge Bot
parent e6f7fe3324
commit b7b22b735d
1 changed files with 16 additions and 0 deletions
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16
src/gallium/auxiliary/draw/draw_llvm_sample.c
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@ -420,6 +420,22 @@ draw_llvm_image_soa_emit_op(const struct lp_build_image_soa *base,
unsigned image_index = params->image_index;
assert(image_index < PIPE_MAX_SHADER_IMAGES);
if (params->image_index_offset) {
struct lp_build_img_op_array_switch switch_info;
memset(&switch_info, 0, sizeof(switch_info));
LLVMValueRef unit = LLVMBuildAdd(gallivm->builder, params->image_index_offset,
lp_build_const_int32(gallivm, image_index), "");
lp_build_image_op_switch_soa(&switch_info, gallivm, params,
unit, 0, image->nr_images);
for (unsigned i = 0; i < image->nr_images; i++) {
lp_build_image_op_array_case(&switch_info, i,
&image->dynamic_state.static_state[i].image_state,
&image->dynamic_state.base);
}
lp_build_image_op_array_fini_soa(&switch_info);
return;
}
lp_build_img_op_soa(&image->dynamic_state.static_state[image_index].image_state,
&image->dynamic_state.base,
gallivm, params, params->outdata);