util/primconvert: Avoid point arithmetic; apply offset on all cases.
Matches what u_vbuf_get_minmax_index() does. Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>
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@ -137,8 +137,9 @@ util_primconvert_draw_vbo(struct primconvert_context *pc,
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src = ib->user_buffer;
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src = ib->user_buffer;
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if (!src) {
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if (!src) {
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src = pipe_buffer_map(pc->pipe, ib->buffer,
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src = pipe_buffer_map(pc->pipe, ib->buffer,
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PIPE_TRANSFER_READ, &src_transfer) + ib->offset;
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PIPE_TRANSFER_READ, &src_transfer);
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}
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}
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src = (const uint8_t *)src + ib->offset;
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}
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}
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else {
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else {
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u_index_generator(pc->primtypes_mask,
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u_index_generator(pc->primtypes_mask,
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