Changes between Version 5 and Version 6 of AmdCl2Abi
- Timestamp:
- 05/08/16 19:00:35 (8 years ago)
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AmdCl2Abi
v5 v6 194 194 <p>A samplers are passed via pointers. A sampler pointers points to sampler resource.</p> 195 195 <h3>Scratch buffer access</h3> 196 <p>First four scalar registers holds scratch buffer descriptor. 197 s[n+enabled_dims+tgsize] register holds wavefront offset to scratch buffer. 198 where n is userdatanum, enabled_dims is number of enabled dimensions, tgsize is 199 1 if tgsize is enabled, otherwise is 0.</p> 196 <p>First four scalar registers holds scratch buffer descriptor. Refer to 197 <a href="GcnState">GCN Machine State</a> to learn about vector and scalar initial registers.</p> 200 198 <h3>Flat access</h3> 201 199 <p>By default, FLAT instructions read or write values from main memory.