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authorTimothy Arceri <[email protected]>2019-06-28 22:25:57 +1000
committerKenneth Graunke <[email protected]>2019-08-01 16:12:37 -0700
commit2afedfaf9aa161f8e8acbd1e8048a540db5fcfc8 (patch)
treecc4718ac28d97ab70241e1d1221015d524e4e8bb /src/gallium/drivers/iris/iris_program.c
parent00b5bf2d729f6c23525c4496552036c71d05479e (diff)
iris: add support for gl_ClipVertex in tess eval shaders
Required for OpenGL compat support. Reviewed-by: Kenneth Graunke <[email protected]>
Diffstat (limited to 'src/gallium/drivers/iris/iris_program.c')
-rw-r--r--src/gallium/drivers/iris/iris_program.c15
1 files changed, 14 insertions, 1 deletions
diff --git a/src/gallium/drivers/iris/iris_program.c b/src/gallium/drivers/iris/iris_program.c
index 1453390b02d..d5986f4809c 100644
--- a/src/gallium/drivers/iris/iris_program.c
+++ b/src/gallium/drivers/iris/iris_program.c
@@ -1246,6 +1246,15 @@ iris_compile_tes(struct iris_context *ice,
nir_shader *nir = nir_shader_clone(mem_ctx, ish->nir);
+ if (key->nr_userclip_plane_consts) {
+ nir_function_impl *impl = nir_shader_get_entrypoint(nir);
+ nir_lower_clip_vs(nir, (1 << key->nr_userclip_plane_consts) - 1, true);
+ nir_lower_io_to_temporaries(nir, impl, true, false);
+ nir_lower_global_vars_to_local(nir);
+ nir_lower_vars_to_ssa(nir);
+ nir_shader_gather_info(nir, impl);
+ }
+
iris_setup_uniforms(compiler, mem_ctx, nir, prog_data, &system_values,
&num_system_values, &num_cbufs);
@@ -1307,7 +1316,7 @@ iris_update_compiled_tes(struct iris_context *ice)
struct brw_tes_prog_key key = { KEY_INIT(devinfo->gen) };
get_unified_tess_slots(ice, &key.inputs_read, &key.patch_inputs_read);
- ice->vtbl.populate_tes_key(ice, &key);
+ ice->vtbl.populate_tes_key(ice, &ish->nir->info, last_vue_stage(ice), &key);
struct iris_compiled_shader *old = ice->shaders.prog[IRIS_CACHE_TES];
struct iris_compiled_shader *shader =
@@ -2011,6 +2020,10 @@ iris_create_tes_state(struct pipe_context *ctx,
struct iris_uncompiled_shader *ish = iris_create_shader_state(ctx, state);
struct shader_info *info = &ish->nir->info;
+ /* User clip planes */
+ if (ish->nir->info.clip_distance_array_size == 0)
+ ish->nos |= (1ull << IRIS_NOS_RASTERIZER);
+
if (screen->precompile) {
const struct gen_device_info *devinfo = &screen->devinfo;
struct brw_tes_prog_key key = {