diff options
| author | Wladimir J. van der Laan <laanwj@gmail.com> | 2013-03-12 18:57:07 +0100 |
|---|---|---|
| committer | Wladimir J. van der Laan <laanwj@gmail.com> | 2013-03-12 18:57:20 +0100 |
| commit | d939b974a168e5bcd9d7a67fc11f99b8227216cb (patch) | |
| tree | e55cce4cf34884b88d1a5afc2b51b5d307b0b704 /doc | |
| parent | 686ff09ec79363bbeea2b93a76a38e5a76fabc64 (diff) | |
rnndb: figure out some OpenCL instructions
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/hardware.md | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/doc/hardware.md b/doc/hardware.md index cbf5750..aa8054c 100644 --- a/doc/hardware.md +++ b/doc/hardware.md @@ -509,3 +509,12 @@ XXX maybe figure out if the sampler units are shared between fragment and vertex XXX figure out wether normal texture2D works or that texture2DLod is needed. +Shader size on GC2000 +---------------------- + +The "query chip identity" ioctl on GC2000 reports an instructionCount of 512. Looking at the low-level command +stream dumps the device appears to have 0x0E000 - 0x0C000 = 8192 bytes of instruction memory, with 128 bit +instructions this indeed maps to 512 instructions. + +XXX does the VS/PS split at instruction 256 during rendering affect OpenCL? Hopefully not... + |