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gallivm: Add a function for loading vulkan descriptors

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Reviewed-by: Dave Airlie <airlied@redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/22828>
This commit is contained in:
Konstantin Seurer 2023-04-14 11:55:39 +02:00 • committed by Marge Bot
parent f675e4ee82
commit 62b4eb9d74
2 changed files with 29 additions and 0 deletions
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24
src/gallium/auxiliary/gallivm/lp_bld_jit_types.c
View file

@ -56,6 +56,30 @@ lp_build_create_jit_buffer_type(struct gallivm_state *gallivm)
return buffer_type;
}
LLVMValueRef
lp_llvm_descriptor_base(struct gallivm_state *gallivm,
LLVMValueRef buffers_ptr,
LLVMValueRef index, unsigned buffers_limit)
{
LLVMBuilderRef builder = gallivm->builder;
LLVMValueRef desc_set_index = LLVMBuildExtractValue(builder, index, 0, "");
if (LLVMGetTypeKind(LLVMTypeOf(desc_set_index)) == LLVMVectorTypeKind)
desc_set_index = LLVMBuildExtractElement(builder, desc_set_index, lp_build_const_int32(gallivm, 0), "");
LLVMValueRef desc_set_base = lp_llvm_buffer_base(gallivm, buffers_ptr, desc_set_index, buffers_limit);
LLVMValueRef binding_index = LLVMBuildExtractValue(builder, index, 1, "");
if (LLVMGetTypeKind(LLVMTypeOf(binding_index)) == LLVMVectorTypeKind)
binding_index = LLVMBuildExtractElement(builder, binding_index, lp_build_const_int32(gallivm, 0), "");
LLVMValueRef binding_offset = LLVMBuildMul(builder, binding_index, lp_build_const_int32(gallivm, sizeof(union lp_descriptor)), "");
LLVMTypeRef int64_type = LLVMInt64TypeInContext(gallivm->context);
binding_offset = LLVMBuildIntCast2(builder, binding_offset, int64_type, false, "");
LLVMValueRef desc_ptr = LLVMBuildPtrToInt(builder, desc_set_base, int64_type, "");
return LLVMBuildAdd(builder, desc_ptr, binding_offset, "");
}
static LLVMValueRef
lp_llvm_buffer_member(struct gallivm_state *gallivm,
LLVMValueRef buffers_ptr,

5
src/gallium/auxiliary/gallivm/lp_bld_jit_types.h
View file

@ -45,6 +45,11 @@ enum {
LP_JIT_BUFFER_NUM_FIELDS,
};
LLVMValueRef
lp_llvm_descriptor_base(struct gallivm_state *gallivm,
LLVMValueRef buffers_ptr,
LLVMValueRef index, unsigned buffers_limit);
LLVMValueRef
lp_llvm_buffer_base(struct gallivm_state *gallivm,
LLVMValueRef buffers_ptr,