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draw: use the instance id when fetching vertex data

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This commit is contained in:
Zack Rusin 2010-07-16 11:58:20 -04:00
parent 41bcd8cb1e
commit b77f5024ca
1 changed files with 11 additions and 3 deletions
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14
src/gallium/auxiliary/draw/draw_llvm.c
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@ -368,7 +368,8 @@ generate_fetch(LLVMBuilderRef builder,
LLVMValueRef *res,
struct pipe_vertex_element *velem,
LLVMValueRef vbuf,
LLVMValueRef index)
LLVMValueRef index,
unsigned instance_id)
{
LLVMValueRef indices = LLVMConstInt(LLVMInt64Type(), velem->vertex_buffer_index, 0);
LLVMValueRef vbuffer_ptr = LLVMBuildGEP(builder, vbuffers_ptr,
@ -393,6 +394,11 @@ generate_fetch(LLVMBuilderRef builder,
stride = LLVMBuildAdd(builder, stride,
LLVMConstInt(LLVMInt32Type(), velem->src_offset, 0),
"");
if (velem->instance_divisor) {
stride = LLVMBuildMul(builder, stride,
LLVMConstInt(LLVMInt32Type(), instance_id, 0),
"");
}
/*lp_build_printf(builder, "vbuf index = %d, stride is %d\n", indices, stride);*/
vbuffer_ptr = LLVMBuildGEP(builder, vbuffer_ptr, &stride, 1, "");
@ -745,7 +751,8 @@ draw_llvm_generate(struct draw_llvm *llvm, struct draw_llvm_variant *variant)
LLVMValueRef vb = LLVMBuildGEP(builder, vb_ptr,
&vb_index, 1, "");
generate_fetch(builder, vbuffers_ptr,
&aos_attribs[j][i], velem, vb, true_index);
&aos_attribs[j][i], velem, vb, true_index,
draw->instance_id);
}
}
convert_to_soa(builder, aos_attribs, inputs,
@ -908,7 +915,8 @@ draw_llvm_generate_elts(struct draw_llvm *llvm, struct draw_llvm_variant *varian
LLVMValueRef vb = LLVMBuildGEP(builder, vb_ptr,
&vb_index, 1, "");
generate_fetch(builder, vbuffers_ptr,
&aos_attribs[j][i], velem, vb, true_index);
&aos_attribs[j][i], velem, vb, true_index,
draw->instance_id);
}
}
convert_to_soa(builder, aos_attribs, inputs,