diff options
author | Jason Ekstrand <[email protected]> | 2015-11-11 15:46:55 -0800 |
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committer | Jason Ekstrand <[email protected]> | 2015-11-23 11:02:15 -0800 |
commit | d065a93a3f103a8e4fc9c56971c2a4ae195d611f (patch) | |
tree | abf9891190689ec8640c32dee8be291356d05074 /src | |
parent | 042fa75e48118e4d7643e1f42b5a983df1274acb (diff) |
i965/fs: Stomp the texture return type to UINT32 for resinfo messages
Reviewed-by: Kenneth Graunke <[email protected]>
Diffstat (limited to 'src')
-rw-r--r-- | src/mesa/drivers/dri/i965/brw_fs_generator.cpp | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs_generator.cpp b/src/mesa/drivers/dri/i965/brw_fs_generator.cpp index 77969c4dc12..971190fac6a 100644 --- a/src/mesa/drivers/dri/i965/brw_fs_generator.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs_generator.cpp @@ -699,6 +699,17 @@ fs_generator::generate_tex(fs_inst *inst, struct brw_reg dst, struct brw_reg src break; } + /* Stomp the resinfo output type to UINT32. On gens 4-5, the output type + * is set as part of the message descriptor. On gen4, the PRM seems to + * allow UINT32 and FLOAT32 (i965 PRM, Vol. 4 Section 4.8.1.1), but on + * later gens UINT32 is required. Once you hit Sandy Bridge, the bit is + * gone from the message descriptor entirely and you just get UINT32 all + * the time regasrdless. Since we can really only do non-UINT32 on gen4, + * just stomp it to UINT32 all the time. + */ + if (inst->opcode == SHADER_OPCODE_TXS) + return_format = BRW_SAMPLER_RETURN_FORMAT_UINT32; + switch (inst->exec_size) { case 8: simd_mode = BRW_SAMPLER_SIMD_MODE_SIMD8; |