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| author | Francisco Jerez <currojerez@riseup.net> | 2015-03-18 20:17:23 +0200 |
|---|---|---|
| committer | Francisco Jerez <currojerez@riseup.net> | 2015-03-23 14:13:05 +0200 |
| commit | eddb87402ea7ce68357a3d93b0dbb41857be27f6 (patch) | |
| tree | 27a6d8bf546a6e5e658e82cbb3082e7facef9b06 /src/mesa/drivers/dri/i965/brw_vec4_live_variables.h | |
| parent | ce030a63993f7192c6aa4c5b9180f9543a6a76bc (diff) | |
| download | external_mesa3d-eddb87402ea7ce68357a3d93b0dbb41857be27f6.zip external_mesa3d-eddb87402ea7ce68357a3d93b0dbb41857be27f6.tar.gz external_mesa3d-eddb87402ea7ce68357a3d93b0dbb41857be27f6.tar.bz2 | |
i965/vec4: Define helper functions to convert a register to a variable index.
Reviewed-by: Matt Turner <mattst88@gmail.com>
Diffstat (limited to 'src/mesa/drivers/dri/i965/brw_vec4_live_variables.h')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_vec4_live_variables.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_vec4_live_variables.h b/src/mesa/drivers/dri/i965/brw_vec4_live_variables.h index c5c6ff3..cef55f7 100644 --- a/src/mesa/drivers/dri/i965/brw_vec4_live_variables.h +++ b/src/mesa/drivers/dri/i965/brw_vec4_live_variables.h @@ -78,4 +78,20 @@ protected: void *mem_ctx; }; +inline unsigned +var_from_reg(const simple_allocator &alloc, const src_reg ®, + unsigned c = 0) +{ + assert(reg.file == GRF && reg.reg < alloc.count && c < 4); + return 4 * reg.reg + BRW_GET_SWZ(reg.swizzle, c); +} + +inline unsigned +var_from_reg(const simple_allocator &alloc, const dst_reg ®, + unsigned c = 0) +{ + assert(reg.file == GRF && reg.reg < alloc.count && c < 4); + return 4 * reg.reg + c; +} + } /* namespace brw */ |