[Mesa-dev] [PATCH 099/133] nir: Vectorize intrinsics

Connor Abbott cwabbott0 at gmail.com
Sun Jan 4 20:56:20 PST 2015


Reviewed-by: Connor Abbott <cwabbott0 at gmail.com>

Nice to see that this idea worked out well!

On Tue, Dec 16, 2014 at 1:11 AM, Jason Ekstrand <jason at jlekstrand.net>
wrote:

> We used to have the number of components built into the intrinsic.  This
> meant that all of our load/store intrinsics had vec1, vec2, vec3, and vec4
> variants.  This lead to piles of switch statements to generate the correct
> texture names, and introspection to figure out the number of components.
>

This doesn't touch textures, I think you can just delete "texture" and
it'll make more sense.


> We can make things much nicer by allowing "vectorized" intrinsics.
> ---
>  src/glsl/nir/glsl_to_nir.cpp             |  60 ++++------------
>  src/glsl/nir/nir.h                       |  15 +++-
>  src/glsl/nir/nir_intrinsics.h            |  79 +++++++--------------
>  src/glsl/nir/nir_lower_io.c              | 115
> +++++++------------------------
>  src/glsl/nir/nir_lower_locals_to_regs.c  |  18 ++---
>  src/glsl/nir/nir_lower_system_values.c   |   3 +-
>  src/glsl/nir/nir_lower_variables.c       |  74 +++++++-------------
>  src/glsl/nir/nir_validate.c              |  10 +--
>  src/mesa/drivers/dri/i965/brw_fs_nir.cpp |  64 +++++------------
>  9 files changed, 123 insertions(+), 315 deletions(-)
>
> diff --git a/src/glsl/nir/glsl_to_nir.cpp b/src/glsl/nir/glsl_to_nir.cpp
> index f85b50e..088a8e9 100644
> --- a/src/glsl/nir/glsl_to_nir.cpp
> +++ b/src/glsl/nir/glsl_to_nir.cpp
> @@ -629,7 +629,8 @@ nir_visitor::visit(ir_call *ir)
>        nir_instr_insert_after_cf_list(this->cf_node_list, &instr->instr);
>
>        nir_intrinsic_instr *store_instr =
> -         nir_intrinsic_instr_create(shader, nir_intrinsic_store_var_vec1);
> +         nir_intrinsic_instr_create(shader, nir_intrinsic_store_var);
> +      store_instr->num_components = 1;
>
>        ir->return_deref->accept(this);
>        store_instr->variables[0] = this->deref_head;
> @@ -704,17 +705,9 @@ nir_visitor::visit(ir_assignment *ir)
>         * back into the LHS. Copy propagation should get rid of the mess.
>         */
>
> -      nir_intrinsic_op load_op;
> -      switch (ir->lhs->type->vector_elements) {
> -         case 1: load_op = nir_intrinsic_load_var_vec1; break;
> -         case 2: load_op = nir_intrinsic_load_var_vec2; break;
> -         case 3: load_op = nir_intrinsic_load_var_vec3; break;
> -         case 4: load_op = nir_intrinsic_load_var_vec4; break;
> -         default: unreachable("Invalid number of components"); break;
> -      }
> -
> -      nir_intrinsic_instr *load = nir_intrinsic_instr_create(this->shader,
> -                                                             load_op);
> +      nir_intrinsic_instr *load =
> +         nir_intrinsic_instr_create(this->shader, nir_intrinsic_load_var);
> +      load->num_components = ir->lhs->type->vector_elements;
>        load->dest.is_ssa = true;
>        nir_ssa_def_init(&load->instr, &load->dest.ssa,
>                         num_components, NULL);
> @@ -759,17 +752,9 @@ nir_visitor::visit(ir_assignment *ir)
>        src.ssa = &vec->dest.dest.ssa;
>     }
>
> -   nir_intrinsic_op store_op;
> -   switch (ir->lhs->type->vector_elements) {
> -      case 1: store_op = nir_intrinsic_store_var_vec1; break;
> -      case 2: store_op = nir_intrinsic_store_var_vec2; break;
> -      case 3: store_op = nir_intrinsic_store_var_vec3; break;
> -      case 4: store_op = nir_intrinsic_store_var_vec4; break;
> -      default: unreachable("Invalid number of components"); break;
> -   }
> -
> -   nir_intrinsic_instr *store = nir_intrinsic_instr_create(this->shader,
> -                                                           store_op);
> +   nir_intrinsic_instr *store =
> +      nir_intrinsic_instr_create(this->shader, nir_intrinsic_store_var);
> +   store->num_components = ir->lhs->type->vector_elements;
>     nir_deref *store_deref = nir_copy_deref(this->shader,
> &lhs_deref->deref);
>     store->variables[0] = nir_deref_as_var(store_deref);
>     store->src[0] = src;
> @@ -848,17 +833,9 @@ nir_visitor::evaluate_rvalue(ir_rvalue* ir)
>         * must emit a variable load.
>         */
>
> -      nir_intrinsic_op load_op;
> -      switch (ir->type->vector_elements) {
> -      case 1: load_op = nir_intrinsic_load_var_vec1; break;
> -      case 2: load_op = nir_intrinsic_load_var_vec2; break;
> -      case 3: load_op = nir_intrinsic_load_var_vec3; break;
> -      case 4: load_op = nir_intrinsic_load_var_vec4; break;
> -      default: unreachable("Invalid number of components");
> -      }
> -
>        nir_intrinsic_instr *load_instr =
> -         nir_intrinsic_instr_create(this->shader, load_op);
> +         nir_intrinsic_instr_create(this->shader, nir_intrinsic_load_var);
> +      load_instr->num_components = ir->type->vector_elements;
>        load_instr->variables[0] = this->deref_head;
>        add_instr(&load_instr->instr, ir->type->vector_elements);
>     }
> @@ -917,23 +894,12 @@ nir_visitor::visit(ir_expression *ir)
>
>        nir_intrinsic_op op;
>        if (const_index) {
> -         switch (ir->type->vector_elements) {
> -            case 1: op = nir_intrinsic_load_ubo_vec1; break;
> -            case 2: op = nir_intrinsic_load_ubo_vec2; break;
> -            case 3: op = nir_intrinsic_load_ubo_vec3; break;
> -            case 4: op = nir_intrinsic_load_ubo_vec4; break;
> -            default: assert(0); break;
> -         }
> +         op = nir_intrinsic_load_ubo;
>        } else {
> -         switch (ir->type->vector_elements) {
> -            case 1: op = nir_intrinsic_load_ubo_vec1_indirect; break;
> -            case 2: op = nir_intrinsic_load_ubo_vec2_indirect; break;
> -            case 3: op = nir_intrinsic_load_ubo_vec3_indirect; break;
> -            case 4: op = nir_intrinsic_load_ubo_vec4_indirect; break;
> -            default: assert(0); break;
> -         }
> +         op = nir_intrinsic_load_ubo_indirect;
>        }
>        nir_intrinsic_instr *load =
> nir_intrinsic_instr_create(this->shader, op);
> +      load->num_components = ir->type->vector_elements;
>        load->const_index[0] = ir->operands[0]->as_constant()->value.u[0];
>        load->const_index[1] = const_index ? const_index->value.u[0] : 0;
> /* base offset */
>        load->const_index[2] = 1; /* number of vec4's */
> diff --git a/src/glsl/nir/nir.h b/src/glsl/nir/nir.h
> index 30146d6..412ceea 100644
> --- a/src/glsl/nir/nir.h
> +++ b/src/glsl/nir/nir.h
> @@ -693,6 +693,9 @@ typedef struct {
>
>     nir_dest dest;
>
> +   /** number of components if this is a vectorized intrinsic */
> +   uint8_t num_components;
> +
>     int const_index[3];
>
>     nir_deref_var *variables[2];
> @@ -732,12 +735,20 @@ typedef struct {
>
>     unsigned num_srcs; /** < number of register/SSA inputs */
>
> -   /** number of components of each input register */
> +   /** number of components of each input register
> +    *
> +    * If this value is 0, the number of components is given by the
> +    * num_components field of nir_intrinsic_instr.
> +    */
>     unsigned src_components[NIR_INTRINSIC_MAX_INPUTS];
>
>     bool has_dest;
>
> -   /** number of components of each output register */
> +   /** number of components of the output register
> +    *
> +    * If this value is 0, the number of components is given by the
> +    * num_components field of nir_intrinsic_instr.
> +    */
>     unsigned dest_components;
>
>     /** the number of inputs/outputs that are variables */
> diff --git a/src/glsl/nir/nir_intrinsics.h b/src/glsl/nir/nir_intrinsics.h
> index e4ad8cd..75bd12f 100644
> --- a/src/glsl/nir/nir_intrinsics.h
> +++ b/src/glsl/nir/nir_intrinsics.h
> @@ -42,19 +42,9 @@
>  #define ARR(...) { __VA_ARGS__ }
>
>
> -INTRINSIC(load_var_vec1,   0, ARR(), true, 1, 1, 0,
> -          NIR_INTRINSIC_CAN_ELIMINATE)
> -INTRINSIC(load_var_vec2,   0, ARR(), true, 2, 1, 0,
> -          NIR_INTRINSIC_CAN_ELIMINATE)
> -INTRINSIC(load_var_vec3,   0, ARR(), true, 3, 1, 0,
> -          NIR_INTRINSIC_CAN_ELIMINATE)
> -INTRINSIC(load_var_vec4,   0, ARR(), true, 4, 1, 0,
> -          NIR_INTRINSIC_CAN_ELIMINATE)
> -INTRINSIC(store_var_vec1, 1, ARR(1), false, 0, 1, 0, 0)
> -INTRINSIC(store_var_vec2, 1, ARR(2), false, 0, 1, 0, 0)
> -INTRINSIC(store_var_vec3, 1, ARR(3), false, 0, 1, 0, 0)
> -INTRINSIC(store_var_vec4, 1, ARR(4), false, 0, 1, 0, 0)
> -INTRINSIC(copy_var,       0, ARR(),  false, 0, 2, 0, 0)
> +INTRINSIC(load_var, 0, ARR(), true, 0, 1, 0, NIR_INTRINSIC_CAN_ELIMINATE)
> +INTRINSIC(store_var, 1, ARR(0), false, 0, 1, 0, 0)
> +INTRINSIC(copy_var, 0, ARR(), false, 0, 2, 0, 0)
>
>  /*
>   * a barrier is an intrinsic with no inputs/outputs but which can't be
> moved
> @@ -94,27 +84,6 @@ SYSTEM_VALUE(sample_pos, 2)
>  SYSTEM_VALUE(sample_mask_in, 1)
>  SYSTEM_VALUE(invocation_id, 1)
>
> -#define LOAD_OR_INTERP(name, num_srcs, src_comps, num_indices, flags) \
> -   INTRINSIC(name##_vec1, num_srcs, ARR(src_comps), true, 1, \
> -             0, num_indices, NIR_INTRINSIC_CAN_ELIMINATE | flags) \
> -   INTRINSIC(name##_vec2, num_srcs, ARR(src_comps), true, 2, \
> -             0, num_indices, NIR_INTRINSIC_CAN_ELIMINATE | flags) \
> -   INTRINSIC(name##_vec3, num_srcs, ARR(src_comps), true, 3, \
> -             0, num_indices, NIR_INTRINSIC_CAN_ELIMINATE | flags) \
> -   INTRINSIC(name##_vec4, num_srcs, ARR(src_comps), true, 4, \
> -             0, num_indices, NIR_INTRINSIC_CAN_ELIMINATE | flags) \
> -   INTRINSIC(name##_vec1_indirect, 1 + num_srcs, ARR(1, src_comps), true,
> 1, \
> -             0, num_indices, NIR_INTRINSIC_CAN_ELIMINATE | flags) \
> -   INTRINSIC(name##_vec2_indirect, 1 + num_srcs, ARR(1, src_comps), true,
> 2, \
> -             0, num_indices, NIR_INTRINSIC_CAN_ELIMINATE | flags) \
> -   INTRINSIC(name##_vec3_indirect, 1 + num_srcs, ARR(1, src_comps), true,
> 3, \
> -             0, num_indices, NIR_INTRINSIC_CAN_ELIMINATE | flags) \
> -   INTRINSIC(name##_vec4_indirect, 1 + num_srcs, ARR(1, src_comps), true,
> 4, \
> -             0, num_indices, NIR_INTRINSIC_CAN_ELIMINATE | flags)
> -
> -#define LOAD(name, num_indices, flags) \
> -   LOAD_OR_INTERP(load_##name, 0, 0, num_indices, flags)
> -
>  /*
>   * The first index is the address to load from, and the second index is
> the
>   * number of array elements to load. For UBO's (and SSBO's), the first
> index
> @@ -129,6 +98,12 @@ SYSTEM_VALUE(invocation_id, 1)
>   * elements begin immediately after the previous array element.
>   */
>
> +#define LOAD(name, num_indices, flags) \
> +   INTRINSIC(load_##name, 0, ARR(), true, 0, 0, num_indices, \
> +             NIR_INTRINSIC_CAN_ELIMINATE | NIR_INTRINSIC_CAN_REORDER) \
> +   INTRINSIC(load_##name##_indirect, 1, ARR(1), true, 0, 0, num_indices, \
> +             NIR_INTRINSIC_CAN_ELIMINATE | NIR_INTRINSIC_CAN_REORDER) \
> +
>  LOAD(uniform, 2, NIR_INTRINSIC_CAN_REORDER)
>  LOAD(ubo, 3, NIR_INTRINSIC_CAN_REORDER)
>  LOAD(input, 2, NIR_INTRINSIC_CAN_REORDER)
> @@ -140,29 +115,16 @@ LOAD(input, 2, NIR_INTRINSIC_CAN_REORDER)
>   * interp_at_offset* intrinsics take a second source that is either a
>   * sample id or a vec2 position offset.
>   */
> -#define INTERP(name, flags) \
> -   LOAD_OR_INTERP(interp_##name, 0, 0, 2, flags)
> -
> -#define INTERP_WITH_ARG(name, src_comps, flags) \
> -   LOAD_OR_INTERP(interp_##name, 1, src_comps, 2, flags)
>
> -INTERP(at_centroid, NIR_INTRINSIC_CAN_REORDER)
> -INTERP_WITH_ARG(at_sample, 1, NIR_INTRINSIC_CAN_REORDER)
> -INTERP_WITH_ARG(at_offset, 1, NIR_INTRINSIC_CAN_REORDER)
> +#define INTERP(name, num_srcs, src_comps) \
> +   INTRINSIC(interp_##name, num_srcs, ARR(src_comps), true, \
> +             0, 0, 2, NIR_INTRINSIC_CAN_ELIMINATE |
> NIR_INTRINSIC_CAN_REORDER) \
> +   INTRINSIC(interp_##name##_indirect, 1 + num_srcs, ARR(1, src_comps),
> true, \
> +             0, 0, 2, NIR_INTRINSIC_CAN_ELIMINATE |
> NIR_INTRINSIC_CAN_REORDER)
>
> -#define STORE(name, num_indices, flags) \
> -   INTRINSIC(store_##name##_vec1, 1, ARR(1), false, 0, 0, num_indices,
> flags) \
> -   INTRINSIC(store_##name##_vec2, 1, ARR(2), false, 0, 0, num_indices,
> flags) \
> -   INTRINSIC(store_##name##_vec3, 1, ARR(3), false, 0, 0, num_indices,
> flags) \
> -   INTRINSIC(store_##name##_vec4, 1, ARR(4), false, 0, 0, num_indices,
> flags) \
> -   INTRINSIC(store_##name##_vec1_indirect, 2, ARR(1, 1), false, 0, 0, \
> -             num_indices, flags) \
> -   INTRINSIC(store_##name##_vec2_indirect, 2, ARR(2, 1), false, 0, 0, \
> -             num_indices, flags) \
> -   INTRINSIC(store_##name##_vec3_indirect, 2, ARR(3, 1), false, 0, 0, \
> -             num_indices, flags) \
> -   INTRINSIC(store_##name##_vec4_indirect, 2, ARR(4, 1), false, 0, 0, \
> -             num_indices, flags) \
> +INTERP(at_centroid, 0, 0)
> +INTERP(at_sample, 1, 1)
> +INTERP(at_offset, 1, 1)
>
>  /*
>   * Stores work the same way as loads, except now the first register input
> is
> @@ -170,7 +132,12 @@ INTERP_WITH_ARG(at_offset, 1,
> NIR_INTRINSIC_CAN_REORDER)
>   * offset.
>   */
>
> +#define STORE(name, num_indices, flags) \
> +   INTRINSIC(store_##name, 1, ARR(0), false, 0, 0, num_indices, flags) \
> +   INTRINSIC(store_##name##_indirect, 2, ARR(0, 1), false, 0, 0, \
> +             num_indices, flags) \
> +
>  STORE(output, 2, 0)
>  /* STORE(ssbo, 3, 0) */
>
> -LAST_INTRINSIC(store_output_vec4_indirect)
> +LAST_INTRINSIC(store_output_indirect)
> diff --git a/src/glsl/nir/nir_lower_io.c b/src/glsl/nir/nir_lower_io.c
> index a3b8186..ed3ce81 100644
> --- a/src/glsl/nir/nir_lower_io.c
> +++ b/src/glsl/nir/nir_lower_io.c
> @@ -186,66 +186,6 @@ get_io_offset(nir_deref_var *deref, nir_instr *instr,
> nir_src *indirect,
>     return base_offset;
>  }
>
> -static nir_intrinsic_op
> -get_load_op(nir_variable_mode mode, bool indirect, unsigned
> num_components)
> -{
> -   if (indirect) {
> -      switch (mode) {
> -      case nir_var_shader_in:
> -         switch (num_components) {
> -         case 1: return nir_intrinsic_load_input_vec1_indirect;
> -         case 2: return nir_intrinsic_load_input_vec2_indirect;
> -         case 3: return nir_intrinsic_load_input_vec3_indirect;
> -         case 4: return nir_intrinsic_load_input_vec4_indirect;
> -         default: unreachable("Invalid number of components"); break;
> -         }
> -         break;
> -
> -      case nir_var_uniform:
> -         switch (num_components) {
> -         case 1: return nir_intrinsic_load_uniform_vec1_indirect;
> -         case 2: return nir_intrinsic_load_uniform_vec2_indirect;
> -         case 3: return nir_intrinsic_load_uniform_vec3_indirect;
> -         case 4: return nir_intrinsic_load_uniform_vec4_indirect;
> -         default: unreachable("Invalid number of components"); break;
> -         }
> -         break;
> -
> -      default:
> -         unreachable("Invalid input type");
> -         break;
> -      }
> -   } else {
> -      switch (mode) {
> -      case nir_var_shader_in:
> -         switch (num_components) {
> -         case 1: return nir_intrinsic_load_input_vec1;
> -         case 2: return nir_intrinsic_load_input_vec2;
> -         case 3: return nir_intrinsic_load_input_vec3;
> -         case 4: return nir_intrinsic_load_input_vec4;
> -         default: unreachable("Invalid number of components"); break;
> -         }
> -         break;
> -
> -      case nir_var_uniform:
> -         switch (num_components) {
> -         case 1: return nir_intrinsic_load_uniform_vec1;
> -         case 2: return nir_intrinsic_load_uniform_vec2;
> -         case 3: return nir_intrinsic_load_uniform_vec3;
> -         case 4: return nir_intrinsic_load_uniform_vec4;
> -         default: unreachable("Invalid number of components"); break;
> -         }
> -         break;
> -
> -      default:
> -         unreachable("Invalid input type");
> -         break;
> -      }
> -   }
> -
> -   return nir_intrinsic_load_input_vec1;
> -}
> -
>  static bool
>  nir_lower_io_block(nir_block *block, void *void_state)
>  {
> @@ -258,22 +198,35 @@ nir_lower_io_block(nir_block *block, void
> *void_state)
>        nir_intrinsic_instr *intrin = nir_instr_as_intrinsic(instr);
>
>        switch (intrin->intrinsic) {
> -      case nir_intrinsic_load_var_vec1:
> -      case nir_intrinsic_load_var_vec2:
> -      case nir_intrinsic_load_var_vec3:
> -      case nir_intrinsic_load_var_vec4: {
> +      case nir_intrinsic_load_var: {
>           nir_variable_mode mode = intrin->variables[0]->var->data.mode;
>           if (mode != nir_var_shader_in && mode != nir_var_uniform)
>              continue;
>
>           bool has_indirect = deref_has_indirect(intrin->variables[0]);
> -         unsigned num_components =
> -            nir_intrinsic_infos[intrin->intrinsic].dest_components;
>
> -         nir_intrinsic_op load_op = get_load_op(mode, has_indirect,
> -                                                num_components);
> +         nir_intrinsic_op load_op;
> +         switch (mode) {
> +         case nir_var_shader_in:
> +            if (has_indirect) {
> +               load_op = nir_intrinsic_load_input_indirect;
> +            } else {
> +               load_op = nir_intrinsic_load_input;
> +            }
> +            break;
> +         case nir_var_uniform:
> +            if (has_indirect) {
> +               load_op = nir_intrinsic_load_uniform_indirect;
> +            } else {
> +               load_op = nir_intrinsic_load_uniform;
> +            }
> +            break;
> +         default:
> +            unreachable("Unknown variable mode");
> +         }
>           nir_intrinsic_instr *load =
> nir_intrinsic_instr_create(state->mem_ctx,
>                                                                  load_op);
> +         load->num_components = intrin->num_components;
>
>           nir_src indirect;
>           unsigned offset = get_io_offset(intrin->variables[0],
> @@ -289,7 +242,7 @@ nir_lower_io_block(nir_block *block, void *void_state)
>           if (intrin->dest.is_ssa) {
>              load->dest.is_ssa = true;
>              nir_ssa_def_init(&load->instr, &load->dest.ssa,
> -                             num_components, NULL);
> +                             intrin->num_components, NULL);
>
>              nir_src new_src = {
>                 .is_ssa = true,
> @@ -307,38 +260,22 @@ nir_lower_io_block(nir_block *block, void
> *void_state)
>           break;
>        }
>
> -      case nir_intrinsic_store_var_vec1:
> -      case nir_intrinsic_store_var_vec2:
> -      case nir_intrinsic_store_var_vec3:
> -      case nir_intrinsic_store_var_vec4: {
> +      case nir_intrinsic_store_var: {
>           if (intrin->variables[0]->var->data.mode != nir_var_shader_out)
>              continue;
>
>           bool has_indirect = deref_has_indirect(intrin->variables[0]);
> -         unsigned num_components =
> -            nir_intrinsic_infos[intrin->intrinsic].src_components[0];
>
>           nir_intrinsic_op store_op;
>           if (has_indirect) {
> -            switch (num_components) {
> -            case 1: store_op = nir_intrinsic_store_output_vec1_indirect;
> break;
> -            case 2: store_op = nir_intrinsic_store_output_vec2_indirect;
> break;
> -            case 3: store_op = nir_intrinsic_store_output_vec3_indirect;
> break;
> -            case 4: store_op = nir_intrinsic_store_output_vec4_indirect;
> break;
> -            default: unreachable("Invalid number of components"); break;
> -            }
> +            store_op = nir_intrinsic_store_output_indirect;
>           } else {
> -            switch (num_components) {
> -            case 1: store_op = nir_intrinsic_store_output_vec1; break;
> -            case 2: store_op = nir_intrinsic_store_output_vec2; break;
> -            case 3: store_op = nir_intrinsic_store_output_vec3; break;
> -            case 4: store_op = nir_intrinsic_store_output_vec4; break;
> -            default: unreachable("Invalid number of components"); break;
> -            }
> +            store_op = nir_intrinsic_store_output;
>           }
>
>           nir_intrinsic_instr *store =
> nir_intrinsic_instr_create(state->mem_ctx,
>
> store_op);
> +         store->num_components = intrin->num_components;
>
>           nir_src indirect;
>           unsigned offset = get_io_offset(intrin->variables[0],
> diff --git a/src/glsl/nir/nir_lower_locals_to_regs.c
> b/src/glsl/nir/nir_lower_locals_to_regs.c
> index caf1c29..081ed6b 100644
> --- a/src/glsl/nir/nir_lower_locals_to_regs.c
> +++ b/src/glsl/nir/nir_lower_locals_to_regs.c
> @@ -219,22 +219,18 @@ lower_locals_to_regs_block(nir_block *block, void
> *void_state)
>        nir_intrinsic_instr *intrin = nir_instr_as_intrinsic(instr);
>
>        switch (intrin->intrinsic) {
> -      case nir_intrinsic_load_var_vec1:
> -      case nir_intrinsic_load_var_vec2:
> -      case nir_intrinsic_load_var_vec3:
> -      case nir_intrinsic_load_var_vec4: {
> +      case nir_intrinsic_load_var: {
>           if (intrin->variables[0]->var->data.mode != nir_var_local)
>              continue;
>
>           nir_alu_instr *mov = nir_alu_instr_create(state->mem_ctx,
> nir_op_imov);
>           mov->src[0].src = get_deref_reg_src(intrin->variables[0],
>                                               &intrin->instr, state);
> -         unsigned num_components =
> mov->src[0].src.reg.reg->num_components;
> -         mov->dest.write_mask = (1 << num_components) - 1;
> +         mov->dest.write_mask = (1 << intrin->num_components) - 1;
>           if (intrin->dest.is_ssa) {
>              mov->dest.dest.is_ssa = true;
>              nir_ssa_def_init(&mov->instr, &mov->dest.dest.ssa,
> -                             num_components, NULL);
> +                             intrin->num_components, NULL);
>
>              nir_src new_src = {
>                 .is_ssa = true,
> @@ -252,20 +248,16 @@ lower_locals_to_regs_block(nir_block *block, void
> *void_state)
>           break;
>        }
>
> -      case nir_intrinsic_store_var_vec1:
> -      case nir_intrinsic_store_var_vec2:
> -      case nir_intrinsic_store_var_vec3:
> -      case nir_intrinsic_store_var_vec4: {
> +      case nir_intrinsic_store_var: {
>           if (intrin->variables[0]->var->data.mode != nir_var_local)
>              continue;
>
>           nir_src reg_src = get_deref_reg_src(intrin->variables[0],
>                                               &intrin->instr, state);
> -         unsigned num_components = reg_src.reg.reg->num_components;
>
>           nir_alu_instr *mov = nir_alu_instr_create(state->mem_ctx,
> nir_op_imov);
>           mov->src[0].src = nir_src_copy(intrin->src[0], state->mem_ctx);
> -         mov->dest.write_mask = (1 << num_components) - 1;
> +         mov->dest.write_mask = (1 << intrin->num_components) - 1;
>           mov->dest.dest.is_ssa = false;
>           mov->dest.dest.reg.reg = reg_src.reg.reg;
>           mov->dest.dest.reg.base_offset = reg_src.reg.base_offset;
> diff --git a/src/glsl/nir/nir_lower_system_values.c
> b/src/glsl/nir/nir_lower_system_values.c
> index cbd1dac..e700df4 100644
> --- a/src/glsl/nir/nir_lower_system_values.c
> +++ b/src/glsl/nir/nir_lower_system_values.c
> @@ -30,8 +30,7 @@
>  static void
>  convert_instr(nir_intrinsic_instr *instr)
>  {
> -   if (instr->intrinsic != nir_intrinsic_load_var_vec1 &&
> -       instr->intrinsic != nir_intrinsic_load_var_vec2)
> +   if (instr->intrinsic != nir_intrinsic_load_var)
>        return;
>
>     nir_variable *var = instr->variables[0]->var;
> diff --git a/src/glsl/nir/nir_lower_variables.c
> b/src/glsl/nir/nir_lower_variables.c
> index 052b021..dab3639 100644
> --- a/src/glsl/nir/nir_lower_variables.c
> +++ b/src/glsl/nir/nir_lower_variables.c
> @@ -449,17 +449,11 @@ fill_deref_tables_block(nir_block *block, void
> *void_state)
>        nir_intrinsic_instr *intrin = nir_instr_as_intrinsic(instr);
>
>        switch (intrin->intrinsic) {
> -      case nir_intrinsic_load_var_vec1:
> -      case nir_intrinsic_load_var_vec2:
> -      case nir_intrinsic_load_var_vec3:
> -      case nir_intrinsic_load_var_vec4:
> +      case nir_intrinsic_load_var:
>           register_load_instr(intrin, true, state);
>           break;
>
> -      case nir_intrinsic_store_var_vec1:
> -      case nir_intrinsic_store_var_vec2:
> -      case nir_intrinsic_store_var_vec3:
> -      case nir_intrinsic_store_var_vec4:
> +      case nir_intrinsic_store_var:
>           register_store_instr(intrin, true, state);
>           break;
>
> @@ -541,17 +535,9 @@ emit_copy_load_store(nir_intrinsic_instr *copy_instr,
>        nir_deref *src_deref = nir_copy_deref(state->mem_ctx,
> &src_head->deref);
>        nir_deref *dest_deref = nir_copy_deref(state->mem_ctx,
> &dest_head->deref);
>
> -      nir_intrinsic_op load_op;
> -      switch (num_components) {
> -         case 1: load_op = nir_intrinsic_load_var_vec1; break;
> -         case 2: load_op = nir_intrinsic_load_var_vec2; break;
> -         case 3: load_op = nir_intrinsic_load_var_vec3; break;
> -         case 4: load_op = nir_intrinsic_load_var_vec4; break;
> -         default: unreachable("Invalid number of components"); break;
> -      }
> -
> -      nir_intrinsic_instr *load =
> nir_intrinsic_instr_create(state->mem_ctx,
> -                                                             load_op);
> +      nir_intrinsic_instr *load =
> +         nir_intrinsic_instr_create(state->mem_ctx,
> nir_intrinsic_load_var);
> +      load->num_components = num_components;
>        load->variables[0] = nir_deref_as_var(src_deref);
>        load->dest.is_ssa = true;
>        nir_ssa_def_init(&load->instr, &load->dest.ssa, num_components,
> NULL);
> @@ -559,17 +545,9 @@ emit_copy_load_store(nir_intrinsic_instr *copy_instr,
>        nir_instr_insert_before(&copy_instr->instr, &load->instr);
>        register_load_instr(load, false, state);
>
> -      nir_intrinsic_op store_op;
> -      switch (num_components) {
> -         case 1: store_op = nir_intrinsic_store_var_vec1; break;
> -         case 2: store_op = nir_intrinsic_store_var_vec2; break;
> -         case 3: store_op = nir_intrinsic_store_var_vec3; break;
> -         case 4: store_op = nir_intrinsic_store_var_vec4; break;
> -         default: unreachable("Invalid number of components"); break;
> -      }
> -
> -      nir_intrinsic_instr *store =
> nir_intrinsic_instr_create(state->mem_ctx,
> -                                                              store_op);
> +      nir_intrinsic_instr *store =
> +         nir_intrinsic_instr_create(state->mem_ctx,
> nir_intrinsic_store_var);
> +      store->num_components = num_components;
>        store->variables[0] = nir_deref_as_var(dest_deref);
>        store->src[0].is_ssa = true;
>        store->src[0].ssa = &load->dest.ssa;
> @@ -782,14 +760,9 @@ lower_deref_to_ssa_block(nir_block *block, void
> *void_state)
>           nir_intrinsic_instr *intrin = nir_instr_as_intrinsic(instr);
>
>           switch (intrin->intrinsic) {
> -         case nir_intrinsic_load_var_vec1:
> -         case nir_intrinsic_load_var_vec2:
> -         case nir_intrinsic_load_var_vec3:
> -         case nir_intrinsic_load_var_vec4: {
> +         case nir_intrinsic_load_var: {
>              struct deref_node *node = get_deref_node(intrin->variables[0],
>                                                       false, state);
> -            unsigned num_chans =
> -               nir_intrinsic_infos[intrin->intrinsic].dest_components;
>
>              if (node == NULL) {
>                 /* If we hit this path then we are referencing an invalid
> @@ -799,7 +772,8 @@ lower_deref_to_ssa_block(nir_block *block, void
> *void_state)
>                  */
>                 nir_ssa_undef_instr *undef =
>                    nir_ssa_undef_instr_create(state->mem_ctx);
> -               nir_ssa_def_init(&undef->instr, &undef->def, num_chans,
> NULL);
> +               nir_ssa_def_init(&undef->instr, &undef->def,
> +                                intrin->num_components, NULL);
>
>                 nir_instr_insert_before(&intrin->instr, &undef->instr);
>                 nir_instr_remove(&intrin->instr);
> @@ -821,14 +795,15 @@ lower_deref_to_ssa_block(nir_block *block, void
> *void_state)
>                                                        nir_op_imov);
>              mov->src[0].src.is_ssa = true;
>              mov->src[0].src.ssa = get_ssa_def_for_block(node, block,
> state);
> -            for (unsigned i = num_chans; i < 4; i++)
> +            for (unsigned i = intrin->num_components; i < 4; i++)
>                 mov->src[0].swizzle[i] = 0;
>
>              assert(intrin->dest.is_ssa);
>
> -            mov->dest.write_mask = (1 << num_chans) - 1;
> +            mov->dest.write_mask = (1 << intrin->num_components) - 1;
>              mov->dest.dest.is_ssa = true;
> -            nir_ssa_def_init(&mov->instr, &mov->dest.dest.ssa, num_chans,
> NULL);
> +            nir_ssa_def_init(&mov->instr, &mov->dest.dest.ssa,
> +                             intrin->num_components, NULL);
>
>              nir_instr_insert_before(&intrin->instr, &mov->instr);
>              nir_instr_remove(&intrin->instr);
> @@ -843,10 +818,7 @@ lower_deref_to_ssa_block(nir_block *block, void
> *void_state)
>              break;
>           }
>
> -         case nir_intrinsic_store_var_vec1:
> -         case nir_intrinsic_store_var_vec2:
> -         case nir_intrinsic_store_var_vec3:
> -         case nir_intrinsic_store_var_vec4: {
> +         case nir_intrinsic_store_var: {
>              struct deref_node *node = get_deref_node(intrin->variables[0],
>                                                       false, state);
>
> @@ -860,7 +832,8 @@ lower_deref_to_ssa_block(nir_block *block, void
> *void_state)
>              if (!node->lower_to_ssa)
>                 continue;
>
> -            unsigned num_chans = glsl_get_vector_elements(node->type);
> +            assert(intrin->num_components ==
> +                   glsl_get_vector_elements(node->type));
>
>              assert(intrin->src[0].is_ssa);
>
> @@ -873,12 +846,12 @@ lower_deref_to_ssa_block(nir_block *block, void
> *void_state)
>
>                 mov->src[1].src.is_ssa = true;
>                 mov->src[1].src.ssa = intrin->src[0].ssa;
> -               for (unsigned i = num_chans; i < 4; i++)
> +               for (unsigned i = intrin->num_components; i < 4; i++)
>                    mov->src[1].swizzle[i] = 0;
>
>                 mov->src[2].src.is_ssa = true;
>                 mov->src[2].src.ssa = get_ssa_def_for_block(node, block,
> state);
> -               for (unsigned i = num_chans; i < 4; i++)
> +               for (unsigned i = intrin->num_components; i < 4; i++)
>                    mov->src[2].swizzle[i] = 0;
>
>              } else {
> @@ -886,13 +859,14 @@ lower_deref_to_ssa_block(nir_block *block, void
> *void_state)
>
>                 mov->src[0].src.is_ssa = true;
>                 mov->src[0].src.ssa = intrin->src[0].ssa;
> -               for (unsigned i = num_chans; i < 4; i++)
> +               for (unsigned i = intrin->num_components; i < 4; i++)
>                    mov->src[0].swizzle[i] = 0;
>              }
>
> -            mov->dest.write_mask = (1 << num_chans) - 1;
> +            mov->dest.write_mask = (1 << intrin->num_components) - 1;
>              mov->dest.dest.is_ssa = true;
> -            nir_ssa_def_init(&mov->instr, &mov->dest.dest.ssa, num_chans,
> NULL);
> +            nir_ssa_def_init(&mov->instr, &mov->dest.dest.ssa,
> +                             intrin->num_components, NULL);
>
>              nir_instr_insert_before(&intrin->instr, &mov->instr);
>              nir_instr_remove(&intrin->instr);
> diff --git a/src/glsl/nir/nir_validate.c b/src/glsl/nir/nir_validate.c
> index b8ef802..ee29fc3 100644
> --- a/src/glsl/nir/nir_validate.c
> +++ b/src/glsl/nir/nir_validate.c
> @@ -338,16 +338,10 @@ validate_intrinsic_instr(nir_intrinsic_instr *instr,
> validate_state *state)
>     }
>
>     switch (instr->intrinsic) {
> -   case nir_intrinsic_load_var_vec1:
> -   case nir_intrinsic_load_var_vec2:
> -   case nir_intrinsic_load_var_vec3:
> -   case nir_intrinsic_load_var_vec4:
> +   case nir_intrinsic_load_var:
>        assert(instr->variables[0]->var->data.mode != nir_var_shader_out);
>        break;
> -   case nir_intrinsic_store_var_vec1:
> -   case nir_intrinsic_store_var_vec2:
> -   case nir_intrinsic_store_var_vec3:
> -   case nir_intrinsic_store_var_vec4:
> +   case nir_intrinsic_store_var:
>        assert(instr->variables[0]->var->data.mode != nir_var_shader_in &&
>               instr->variables[0]->var->data.mode != nir_var_uniform);
>        break;
> diff --git a/src/mesa/drivers/dri/i965/brw_fs_nir.cpp
> b/src/mesa/drivers/dri/i965/brw_fs_nir.cpp
> index dbb2470..4c1805d 100644
> --- a/src/mesa/drivers/dri/i965/brw_fs_nir.cpp
> +++ b/src/mesa/drivers/dri/i965/brw_fs_nir.cpp
> @@ -1312,14 +1312,10 @@ fs_visitor::nir_emit_intrinsic(nir_intrinsic_instr
> *instr)
>        break;
>     }
>
> -   case nir_intrinsic_load_uniform_vec1:
> -   case nir_intrinsic_load_uniform_vec2:
> -   case nir_intrinsic_load_uniform_vec3:
> -   case nir_intrinsic_load_uniform_vec4: {
> +   case nir_intrinsic_load_uniform: {
>        unsigned index = 0;
>        for (int i = 0; i < instr->const_index[1]; i++) {
> -         for (unsigned j = 0;
> -            j < nir_intrinsic_infos[instr->intrinsic].dest_components;
> j++) {
> +         for (unsigned j = 0; j < instr->num_components; j++) {
>              fs_reg src = nir_uniforms;
>              src.reg_offset = instr->const_index[0] + index;
>              src.type = dest.type;
> @@ -1335,14 +1331,10 @@ fs_visitor::nir_emit_intrinsic(nir_intrinsic_instr
> *instr)
>        break;
>     }
>
> -   case nir_intrinsic_load_uniform_vec1_indirect:
> -   case nir_intrinsic_load_uniform_vec2_indirect:
> -   case nir_intrinsic_load_uniform_vec3_indirect:
> -   case nir_intrinsic_load_uniform_vec4_indirect: {
> +   case nir_intrinsic_load_uniform_indirect: {
>        unsigned index = 0;
>        for (int i = 0; i < instr->const_index[1]; i++) {
> -         for (unsigned j = 0;
> -            j < nir_intrinsic_infos[instr->intrinsic].dest_components;
> j++) {
> +         for (unsigned j = 0; j < instr->num_components; j++) {
>              fs_reg src = nir_uniforms;
>              src.reg_offset = instr->const_index[0] + index;
>              src.reladdr = new(mem_ctx) fs_reg(get_nir_src(instr->src[0]));
> @@ -1360,10 +1352,7 @@ fs_visitor::nir_emit_intrinsic(nir_intrinsic_instr
> *instr)
>        break;
>     }
>
> -   case nir_intrinsic_load_ubo_vec1:
> -   case nir_intrinsic_load_ubo_vec2:
> -   case nir_intrinsic_load_ubo_vec3:
> -   case nir_intrinsic_load_ubo_vec4: {
> +   case nir_intrinsic_load_ubo: {
>        fs_reg surf_index = fs_reg(prog_data->binding_table.ubo_start +
>                                   (unsigned) instr->const_index[0]);
>        fs_reg packed_consts = fs_reg(this, glsl_type::float_type);
> @@ -1373,8 +1362,7 @@ fs_visitor::nir_emit_intrinsic(nir_intrinsic_instr
> *instr)
>        emit(new(mem_ctx) fs_inst(FS_OPCODE_UNIFORM_PULL_CONSTANT_LOAD,
>                                  packed_consts, surf_index,
> const_offset_reg));
>
> -      for (unsigned i = 0;
> -           i < nir_intrinsic_infos[instr->intrinsic].dest_components;
> i++) {
> +      for (unsigned i = 0; i < instr->num_components; i++) {
>           packed_consts.set_smear(instr->const_index[1] % 16 / 4 + i);
>
>           /* The std140 packing rules don't allow vectors to cross 16-byte
> @@ -1392,10 +1380,7 @@ fs_visitor::nir_emit_intrinsic(nir_intrinsic_instr
> *instr)
>        break;
>     }
>
> -   case nir_intrinsic_load_ubo_vec1_indirect:
> -   case nir_intrinsic_load_ubo_vec2_indirect:
> -   case nir_intrinsic_load_ubo_vec3_indirect:
> -   case nir_intrinsic_load_ubo_vec4_indirect: {
> +   case nir_intrinsic_load_ubo_indirect: {
>        fs_reg surf_index = fs_reg(prog_data->binding_table.ubo_start +
>                                   instr->const_index[0]);
>        /* Turn the byte offset into a dword offset. */
> @@ -1404,8 +1389,7 @@ fs_visitor::nir_emit_intrinsic(nir_intrinsic_instr
> *instr)
>        emit(SHR(offset, retype(get_nir_src(instr->src[0]),
> BRW_REGISTER_TYPE_D),
>                 fs_reg(2)));
>
> -      for (unsigned i = 0;
> -           i < nir_intrinsic_infos[instr->intrinsic].dest_components;
> i++) {
> +      for (unsigned i = 0; i < instr->num_components; i++) {
>           exec_list list = VARYING_PULL_CONSTANT_LOAD(dest, surf_index,
>                                                       offset, base_offset
> + i);
>           fs_inst *last_inst = (fs_inst *) list.get_tail();
> @@ -1418,14 +1402,10 @@ fs_visitor::nir_emit_intrinsic(nir_intrinsic_instr
> *instr)
>        break;
>     }
>
> -   case nir_intrinsic_load_input_vec1:
> -   case nir_intrinsic_load_input_vec2:
> -   case nir_intrinsic_load_input_vec3:
> -   case nir_intrinsic_load_input_vec4: {
> +   case nir_intrinsic_load_input: {
>        unsigned index = 0;
>        for (int i = 0; i < instr->const_index[1]; i++) {
> -         for (unsigned j = 0;
> -            j < nir_intrinsic_infos[instr->intrinsic].dest_components;
> j++) {
> +         for (unsigned j = 0; j < instr->num_components; j++) {
>              fs_reg src = nir_inputs;
>              src.reg_offset = instr->const_index[0] + index;
>              src.type = dest.type;
> @@ -1441,14 +1421,10 @@ fs_visitor::nir_emit_intrinsic(nir_intrinsic_instr
> *instr)
>        break;
>     }
>
> -   case nir_intrinsic_load_input_vec1_indirect:
> -   case nir_intrinsic_load_input_vec2_indirect:
> -   case nir_intrinsic_load_input_vec3_indirect:
> -   case nir_intrinsic_load_input_vec4_indirect: {
> +   case nir_intrinsic_load_input_indirect: {
>        unsigned index = 0;
>        for (int i = 0; i < instr->const_index[1]; i++) {
> -         for (unsigned j = 0;
> -            j < nir_intrinsic_infos[instr->intrinsic].dest_components;
> j++) {
> +         for (unsigned j = 0; j < instr->num_components; j++) {
>              fs_reg src = nir_inputs;
>              src.reg_offset = instr->const_index[0] + index;
>              src.reladdr = new(mem_ctx) fs_reg(get_nir_src(instr->src[0]));
> @@ -1466,15 +1442,11 @@ fs_visitor::nir_emit_intrinsic(nir_intrinsic_instr
> *instr)
>        break;
>     }
>
> -   case nir_intrinsic_store_output_vec1:
> -   case nir_intrinsic_store_output_vec2:
> -   case nir_intrinsic_store_output_vec3:
> -   case nir_intrinsic_store_output_vec4: {
> +   case nir_intrinsic_store_output: {
>        fs_reg src = get_nir_src(instr->src[0]);
>        unsigned index = 0;
>        for (int i = 0; i < instr->const_index[1]; i++) {
> -         for (unsigned j = 0;
> -            j < nir_intrinsic_infos[instr->intrinsic].src_components[0];
> j++) {
> +         for (unsigned j = 0; j < instr->num_components; j++) {
>              fs_reg new_dest = nir_outputs;
>              new_dest.reg_offset = instr->const_index[0] + index;
>              new_dest.type = src.type;
> @@ -1489,16 +1461,12 @@ fs_visitor::nir_emit_intrinsic(nir_intrinsic_instr
> *instr)
>        break;
>     }
>
> -   case nir_intrinsic_store_output_vec1_indirect:
> -   case nir_intrinsic_store_output_vec2_indirect:
> -   case nir_intrinsic_store_output_vec3_indirect:
> -   case nir_intrinsic_store_output_vec4_indirect: {
> +   case nir_intrinsic_store_output_indirect: {
>        fs_reg src = get_nir_src(instr->src[0]);
>        fs_reg indirect = get_nir_src(instr->src[1]);
>        unsigned index = 0;
>        for (int i = 0; i < instr->const_index[1]; i++) {
> -         for (unsigned j = 0;
> -            j < nir_intrinsic_infos[instr->intrinsic].src_components[0];
> j++) {
> +         for (unsigned j = 0; j < instr->num_components; j++) {
>              fs_reg new_dest = nir_outputs;
>              new_dest.reg_offset = instr->const_index[0] + index;
>              new_dest.reladdr = new(mem_ctx) fs_reg(indirect);
> --
> 2.2.0
>
> _______________________________________________
> mesa-dev mailing list
> mesa-dev at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/mesa-dev
>
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