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iris: Always do rasterizer discard in clipper

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but continue doing it in SOL if possible because it's faster

Fixes ./bin/ext_transform_feedback-discard-drawarrays - simpler too
This commit is contained in:
Kenneth Graunke 2018-12-03 02:59:08 -08:00
parent 5f511798d0
commit 90b2745148
1 changed files with 7 additions and 6 deletions
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13
src/gallium/drivers/iris/iris_state.c
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@ -1013,7 +1013,7 @@ struct iris_rasterizer_state {
bool flatshade_first; /* for stream output */
bool clamp_fragment_color; /* for shader state */
bool light_twoside; /* for shader state */
bool rasterizer_discard; /* for 3DSTATE_STREAMOUT */
bool rasterizer_discard; /* for 3DSTATE_STREAMOUT and 3DSTATE_CLIP */
bool half_pixel_center; /* for 3DSTATE_MULTISAMPLE */
bool line_stipple_enable;
bool poly_stipple_enable;
@ -1211,7 +1211,10 @@ iris_bind_rasterizer_state(struct pipe_context *ctx, void *state)
if (cso_changed(line_stipple_enable) || cso_changed(poly_stipple_enable))
ice->state.dirty |= IRIS_DIRTY_WM;
if (cso_changed(rasterizer_discard) || cso_changed(flatshade_first))
if (cso_changed(rasterizer_discard))
ice->state.dirty |= IRIS_DIRTY_STREAMOUT | IRIS_DIRTY_CLIP;
if (cso_changed(flatshade_first))
ice->state.dirty |= IRIS_DIRTY_STREAMOUT;
if (cso_changed(depth_clip_near) || cso_changed(depth_clip_far) ||
@ -4253,13 +4256,11 @@ iris_upload_dirty_render_state(struct iris_context *ice,
struct iris_rasterizer_state *cso_rast = ice->state.cso_rast;
struct pipe_framebuffer_state *cso_fb = &ice->state.framebuffer;
bool reject = cso_rast->rasterizer_discard &&
ice->state.prims_generated_query_active;
uint32_t dynamic_clip[GENX(3DSTATE_CLIP_length)];
iris_pack_command(GENX(3DSTATE_CLIP), &dynamic_clip, cl) {
cl.StatisticsEnable = ice->state.statistics_counters_enabled;
cl.ClipMode = reject ? CLIPMODE_REJECT_ALL : CLIPMODE_NORMAL;
cl.ClipMode = cso_rast->rasterizer_discard ? CLIPMODE_REJECT_ALL
: CLIPMODE_NORMAL;
if (wm_prog_data->barycentric_interp_modes &
BRW_BARYCENTRIC_NONPERSPECTIVE_BITS)
cl.NonPerspectiveBarycentricEnable = true;