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iris: pipe to scs -> iris_pipe.h

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This commit is contained in:
Kenneth Graunke 2018-10-06 22:50:34 -07:00
parent 87351b8dfe
commit 6fbb6ba290
2 changed files with 17 additions and 17 deletions
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17
src/gallium/drivers/iris/iris_pipe.h
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@ -40,4 +40,21 @@ stage_from_pipe(enum pipe_shader_type pstage)
return stages[pstage];
}
/**
* Convert an swizzle enumeration (i.e. PIPE_SWIZZLE_X) to one of the HW's
* "Shader Channel Select" enumerations (i.e. SCS_RED). The mappings are
*
* SWIZZLE_X, SWIZZLE_Y, SWIZZLE_Z, SWIZZLE_W, SWIZZLE_ZERO, SWIZZLE_ONE
* 0 1 2 3 4 5
* 4 5 6 7 0 1
* SCS_RED, SCS_GREEN, SCS_BLUE, SCS_ALPHA, SCS_ZERO, SCS_ONE
*
* which is simply adding 4 then modding by 8 (or anding with 7).
*/
static inline enum isl_channel_select
pipe_swizzle_to_isl_channel(enum pipe_swizzle swizzle)
{
return (swizzle + 4) & 7;
}
#endif

17
src/gallium/drivers/iris/iris_state.c
View file

@ -1289,23 +1289,6 @@ iris_bind_sampler_states(struct pipe_context *ctx,
ice->state.dirty |= IRIS_DIRTY_SAMPLER_STATES_VS << stage;
}
/**
* Convert an swizzle enumeration (i.e. PIPE_SWIZZLE_X) to one of the HW's
* "Shader Channel Select" enumerations (i.e. SCS_RED). The mappings are
*
* SWIZZLE_X, SWIZZLE_Y, SWIZZLE_Z, SWIZZLE_W, SWIZZLE_ZERO, SWIZZLE_ONE
* 0 1 2 3 4 5
* 4 5 6 7 0 1
* SCS_RED, SCS_GREEN, SCS_BLUE, SCS_ALPHA, SCS_ZERO, SCS_ONE
*
* which is simply adding 4 then modding by 8 (or anding with 7).
*/
static enum isl_channel_select
pipe_swizzle_to_isl_channel(enum pipe_swizzle swizzle)
{
return (swizzle + 4) & 7;
}
/**
* The pipe->create_sampler_view() driver hook.
*/