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authorZack Rusin <[email protected]>2010-07-16 11:58:20 -0400
committerZack Rusin <[email protected]>2010-07-16 11:58:20 -0400
commitb77f5024ca2926404d701276eafc72f5769daa32 (patch)
tree1dd2106a0d8ee4fdf1c4613f0c58933129fc2860 /src/gallium/auxiliary/draw
parent41bcd8cb1ee93209d38af7b47a158d20a6c5ae11 (diff)
draw: use the instance id when fetching vertex data
Diffstat (limited to 'src/gallium/auxiliary/draw')
-rw-r--r--src/gallium/auxiliary/draw/draw_llvm.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/src/gallium/auxiliary/draw/draw_llvm.c b/src/gallium/auxiliary/draw/draw_llvm.c
index 315544d7b87..61c53a06b37 100644
--- a/src/gallium/auxiliary/draw/draw_llvm.c
+++ b/src/gallium/auxiliary/draw/draw_llvm.c
@@ -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,