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iris: Split iris_update_draw_info into two functions. 

Shader draw parameters need updating on each iteration of a multidraw
loop, but the primitive based information only needs to be updated once.

Also, patch information needs to be recorded before filling out the TCS
program key, as it determines the number of HS instances.
This commit is contained in:
Kenneth Graunke 2019-05-11 23:43:17 -07:00
parent 974c4d679c
commit 21a0be4a79
1 changed files with 12 additions and 0 deletions
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12
src/gallium/drivers/iris/iris_draw.c
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@ -55,6 +55,9 @@ prim_is_points_or_lines(const struct pipe_draw_info *draw)
/**
* Record the current primitive mode and restart information, flagging
* related packets as dirty if necessary.
*
* This must be called before updating compiled shaders, because the patch
* information informs the TCS key.
*/
static void
iris_update_draw_info(struct iris_context *ice,
@ -94,7 +97,15 @@ iris_update_draw_info(struct iris_context *ice,
ice->state.primitive_restart = info->primitive_restart;
ice->state.cut_index = info->restart_index;
}
}
/**
* Update shader draw parameters, flagging VF packets as dirty if necessary.
*/
static void
iris_update_draw_parameters(struct iris_context *ice,
const struct pipe_draw_info *info)
{
if (info->indirect) {
pipe_resource_reference(&ice->draw.draw_params_res,
info->indirect->buffer);
@ -153,6 +164,7 @@ iris_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *info)
iris_batch_maybe_flush(batch, 1500);
iris_update_draw_info(ice, info);
iris_update_draw_parameters(ice, dinfo);
if (devinfo->gen == 9)
gen9_toggle_preemption(ice, batch, info);