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i965/gs: Add a data structure for tracking VS output VUE map.

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Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Matt Turner <mattst88@gmail.com>
This commit is contained in:
Paul Berry 2013-03-22 12:34:19 -07:00
parent 06918f84c2
commit 60ddb96f7e
2 changed files with 16 additions and 1 deletions
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9
src/mesa/drivers/dri/i965/brw_context.h
View file

@ -150,6 +150,7 @@ enum brw_state_id {
BRW_STATE_VS_CONSTBUF,
BRW_STATE_PROGRAM_CACHE,
BRW_STATE_STATE_BASE_ADDRESS,
BRW_STATE_VUE_MAP_VS,
BRW_STATE_VUE_MAP_GEOM_OUT,
BRW_STATE_TRANSFORM_FEEDBACK,
BRW_STATE_RASTERIZER_DISCARD,
@ -185,6 +186,7 @@ enum brw_state_id {
#define BRW_NEW_VS_CONSTBUF (1 << BRW_STATE_VS_CONSTBUF)
#define BRW_NEW_PROGRAM_CACHE (1 << BRW_STATE_PROGRAM_CACHE)
#define BRW_NEW_STATE_BASE_ADDRESS (1 << BRW_STATE_STATE_BASE_ADDRESS)
#define BRW_NEW_VUE_MAP_VS (1 << BRW_STATE_VUE_MAP_VS)
#define BRW_NEW_VUE_MAP_GEOM_OUT (1 << BRW_STATE_VUE_MAP_GEOM_OUT)
#define BRW_NEW_TRANSFORM_FEEDBACK (1 << BRW_STATE_TRANSFORM_FEEDBACK)
#define BRW_NEW_RASTERIZER_DISCARD (1 << BRW_STATE_RASTERIZER_DISCARD)
@ -1102,6 +1104,13 @@ struct brw_context
GLuint last_bufsz;
} curbe;
/**
* Layout of vertex data exiting the vertex shader.
*
* BRW_NEW_VUE_MAP_VS is flagged when this VUE map changes.
*/
struct brw_vue_map vue_map_vs;
/**
* Layout of vertex data exiting the geometry portion of the pipleine.
* This comes from the geometry shader if one exists, otherwise from the

8
src/mesa/drivers/dri/i965/brw_vs.c
View file

@ -484,7 +484,13 @@ static void brw_upload_vs_prog(struct brw_context *brw)
}
if (memcmp(&brw->vs.prog_data->base.vue_map, &brw->vue_map_geom_out,
sizeof(brw->vue_map_geom_out)) != 0) {
brw->vue_map_geom_out = brw->vs.prog_data->base.vue_map;
brw->vue_map_vs = brw->vs.prog_data->base.vue_map;
brw->state.dirty.brw |= BRW_NEW_VUE_MAP_VS;
/* No geometry shader support yet, so the VS VUE map is the VUE map for
* the output of the "geometry" portion of the pipeline.
*/
brw->vue_map_geom_out = brw->vue_map_vs;
brw->state.dirty.brw |= BRW_NEW_VUE_MAP_GEOM_OUT;
}
}