From d57e724a45ada6e3a749fcbcb69eb12c090ee959 Mon Sep 17 00:00:00 2001 From: Jason Ekstrand Date: Thu, 22 Mar 2018 22:32:45 -0700 Subject: [PATCH] anv/pipeline: Convert YCbCr lowering to deref instructiosn Acked-by: Rob Clark Acked-by: Bas Nieuwenhuizen Acked-by: Dave Airlie Reviewed-by: Kenneth Graunke --- src/intel/vulkan/anv_nir_lower_ycbcr_textures.c | 34 ++++++++++++++----------- src/intel/vulkan/anv_pipeline.c | 6 ++--- 2 files changed, 22 insertions(+), 18 deletions(-) diff --git a/src/intel/vulkan/anv_nir_lower_ycbcr_textures.c b/src/intel/vulkan/anv_nir_lower_ycbcr_textures.c index ebf1fd9..5a971d9 100644 --- a/src/intel/vulkan/anv_nir_lower_ycbcr_textures.c +++ b/src/intel/vulkan/anv_nir_lower_ycbcr_textures.c @@ -30,6 +30,7 @@ struct ycbcr_state { nir_builder *builder; nir_ssa_def *image_size; nir_tex_instr *origin_tex; + nir_deref_instr *tex_deref; struct anv_ycbcr_conversion *conversion; }; @@ -152,22 +153,24 @@ convert_ycbcr(struct ycbcr_state *state, /* TODO: we should probably replace this with a push constant/uniform. */ static nir_ssa_def * -get_texture_size(struct ycbcr_state *state, nir_deref_var *texture) +get_texture_size(struct ycbcr_state *state, nir_deref_instr *texture) { if (state->image_size) return state->image_size; nir_builder *b = state->builder; - const struct glsl_type *type = nir_deref_tail(&texture->deref)->type; - nir_tex_instr *tex = nir_tex_instr_create(b->shader, 0); + const struct glsl_type *type = texture->type; + nir_tex_instr *tex = nir_tex_instr_create(b->shader, 1); tex->op = nir_texop_txs; tex->sampler_dim = glsl_get_sampler_dim(type); tex->is_array = glsl_sampler_type_is_array(type); tex->is_shadow = glsl_sampler_type_is_shadow(type); - tex->texture = nir_deref_var_clone(texture, tex); tex->dest_type = nir_type_int; + tex->src[0].src_type = nir_tex_src_texture_deref; + tex->src[0].src = nir_src_for_ssa(&texture->dest.ssa); + nir_ssa_dest_init(&tex->instr, &tex->dest, nir_tex_instr_dest_size(tex), 32, NULL); nir_builder_instr_insert(b, &tex->instr); @@ -199,8 +202,7 @@ implicit_downsampled_coords(struct ycbcr_state *state, { nir_builder *b = state->builder; struct anv_ycbcr_conversion *conversion = state->conversion; - nir_ssa_def *image_size = get_texture_size(state, - state->origin_tex->texture); + nir_ssa_def *image_size = get_texture_size(state, state->tex_deref); nir_ssa_def *comp[4] = { NULL, }; int c; @@ -266,10 +268,7 @@ create_plane_tex_instr_implicit(struct ycbcr_state *state, tex->texture_index = old_tex->texture_index; tex->texture_array_size = old_tex->texture_array_size; - tex->texture = nir_deref_var_clone(old_tex->texture, tex); - tex->sampler_index = old_tex->sampler_index; - tex->sampler = nir_deref_var_clone(old_tex->sampler, tex); nir_ssa_dest_init(&tex->instr, &tex->dest, old_tex->dest.ssa.num_components, @@ -320,7 +319,11 @@ try_lower_tex_ycbcr(struct anv_pipeline_layout *layout, nir_builder *builder, nir_tex_instr *tex) { - nir_variable *var = tex->texture->var; + int deref_src_idx = nir_tex_instr_src_index(tex, nir_tex_src_texture_deref); + assert(deref_src_idx >= 0); + nir_deref_instr *deref = nir_src_as_deref(tex->src[deref_src_idx].src); + + nir_variable *var = nir_deref_instr_get_variable(deref); const struct anv_descriptor_set_layout *set_layout = layout->set[var->data.descriptor_set].layout; const struct anv_descriptor_set_binding_layout *binding = @@ -338,14 +341,14 @@ try_lower_tex_ycbcr(struct anv_pipeline_layout *layout, return false; unsigned texture_index = tex->texture_index; - if (tex->texture->deref.child) { - assert(tex->texture->deref.child->deref_type == nir_deref_type_array); - nir_deref_array *deref_array = nir_deref_as_array(tex->texture->deref.child); - if (deref_array->deref_array_type != nir_deref_array_type_direct) + if (deref->deref_type != nir_deref_type_var) { + assert(deref->deref_type == nir_deref_type_array); + nir_const_value *const_index = nir_src_as_const_value(deref->arr.index); + if (!const_index) return false; size_t hw_binding_size = anv_descriptor_set_binding_layout_get_hw_size(binding); - texture_index += MIN2(deref_array->base_offset, hw_binding_size - 1); + texture_index += MIN2(const_index->u32[0], hw_binding_size - 1); } const struct anv_sampler *sampler = binding->immutable_samplers[texture_index]; @@ -356,6 +359,7 @@ try_lower_tex_ycbcr(struct anv_pipeline_layout *layout, struct ycbcr_state state = { .builder = builder, .origin_tex = tex, + .tex_deref = deref, .conversion = sampler->conversion, }; diff --git a/src/intel/vulkan/anv_pipeline.c b/src/intel/vulkan/anv_pipeline.c index 740b0bf..ef3b4ad 100644 --- a/src/intel/vulkan/anv_pipeline.c +++ b/src/intel/vulkan/anv_pipeline.c @@ -221,9 +221,6 @@ anv_shader_compile_to_nir(struct anv_pipeline *pipeline, if (stage == MESA_SHADER_FRAGMENT) NIR_PASS_V(nir, anv_nir_lower_input_attachments); - NIR_PASS_V(nir, nir_lower_deref_instrs, - nir_lower_texture_derefs | nir_lower_image_derefs); - return nir; } @@ -423,6 +420,9 @@ anv_pipeline_compile(struct anv_pipeline *pipeline, NIR_PASS_V(nir, anv_nir_lower_ycbcr_textures, layout); + NIR_PASS_V(nir, nir_lower_deref_instrs, + nir_lower_texture_derefs | nir_lower_image_derefs); + NIR_PASS_V(nir, anv_nir_lower_push_constants); if (stage != MESA_SHADER_COMPUTE) -- 2.7.4