nir: define behavior of nir_op_bfm and nir_op_u/ibfe according to SM5 spec.

[mesa.git] / src / compiler / nir / nir.h

diff --git a/src/compiler/nir/nir.h b/src/compiler/nir/nir.h
index 8972b4af74806c568e66c1970e52a71276a65bc1..9feed169e4727ce9f92021fb4ada67edbdc57247 100644 (file)
--- a/src/compiler/nir/nir.h
+++ b/src/compiler/nir/nir.h
@@ -148,7 +148,7 @@ typedef struct nir_constant {
     * by the type associated with the \c nir_variable.  Constants may be
     * scalars, vectors, or matrices.
     */
-   nir_const_value values[NIR_MAX_MATRIX_COLUMNS][NIR_MAX_VEC_COMPONENTS];
+   nir_const_value values[NIR_MAX_VEC_COMPONENTS];
 
    /* we could get this from the var->type but makes clone *much* easier to
     * not have to care about the type.
@@ -1312,6 +1312,10 @@ typedef enum {
     */
    NIR_INTRINSIC_SWIZZLE_MASK,
 
+   /* Separate source/dest access flags for copies */
+   NIR_INTRINSIC_SRC_ACCESS = 21,
+   NIR_INTRINSIC_DST_ACCESS = 22,
+
    NIR_INTRINSIC_NUM_INDEX_FLAGS,
 
 } nir_intrinsic_index_flag;
@@ -1412,6 +1416,8 @@ INTRINSIC_IDX_ACCESSORS(param_idx, PARAM_IDX, unsigned)
 INTRINSIC_IDX_ACCESSORS(image_dim, IMAGE_DIM, enum glsl_sampler_dim)
 INTRINSIC_IDX_ACCESSORS(image_array, IMAGE_ARRAY, bool)
 INTRINSIC_IDX_ACCESSORS(access, ACCESS, enum gl_access_qualifier)
+INTRINSIC_IDX_ACCESSORS(src_access, SRC_ACCESS, enum gl_access_qualifier)
+INTRINSIC_IDX_ACCESSORS(dst_access, DST_ACCESS, enum gl_access_qualifier)
 INTRINSIC_IDX_ACCESSORS(format, FORMAT, unsigned)
 INTRINSIC_IDX_ACCESSORS(align_mul, ALIGN_MUL, unsigned)
 INTRINSIC_IDX_ACCESSORS(align_offset, ALIGN_OFFSET, unsigned)
@@ -1449,6 +1455,24 @@ nir_intrinsic_align(const nir_intrinsic_instr *intrin)
 void nir_rewrite_image_intrinsic(nir_intrinsic_instr *instr,
                                  nir_ssa_def *handle, bool bindless);
 
+/* Determine if an intrinsic can be arbitrarily reordered and eliminated. */
+static inline bool
+nir_intrinsic_can_reorder(nir_intrinsic_instr *instr)
+{
+   if (instr->intrinsic == nir_intrinsic_load_deref ||
+       instr->intrinsic == nir_intrinsic_load_ssbo ||
+       instr->intrinsic == nir_intrinsic_bindless_image_load ||
+       instr->intrinsic == nir_intrinsic_image_deref_load ||
+       instr->intrinsic == nir_intrinsic_image_load) {
+      return nir_intrinsic_access(instr) & ACCESS_CAN_REORDER;
+   } else {
+      const nir_intrinsic_info *info =
+         &nir_intrinsic_infos[instr->intrinsic];
+      return (info->flags & NIR_INTRINSIC_CAN_ELIMINATE) &&
+             (info->flags & NIR_INTRINSIC_CAN_REORDER);
+   }
+}
+
 /**
  * \group texture information
  *
@@ -2258,18 +2282,16 @@ typedef struct nir_shader_compiler_options {
    bool lower_fmod;
    /** Lowers ibitfield_extract/ubitfield_extract to ibfe/ubfe. */
    bool lower_bitfield_extract;
-   /** Lowers ibitfield_extract/ubitfield_extract to bfm, compares, shifts. */
+   /** Lowers ibitfield_extract/ubitfield_extract to compares, shifts. */
    bool lower_bitfield_extract_to_shifts;
    /** Lowers bitfield_insert to bfi/bfm */
    bool lower_bitfield_insert;
-   /** Lowers bitfield_insert to bfm, compares, and shifts. */
+   /** Lowers bitfield_insert to compares, and shifts. */
    bool lower_bitfield_insert_to_shifts;
    /** Lowers bitfield_reverse to shifts. */
    bool lower_bitfield_reverse;
    /** Lowers bit_count to shifts. */
    bool lower_bit_count;
-   /** Lowers bfm to shifts and subtracts. */
-   bool lower_bfm;
    /** Lowers ifind_msb to compare and ufind_msb */
    bool lower_ifind_msb;
    /** Lowers find_lsb to ufind_msb and logic ops */
@@ -3618,6 +3640,8 @@ bool nir_opt_trivial_continues(nir_shader *shader);
 
 bool nir_opt_undef(nir_shader *shader);
 
+bool nir_opt_vectorize(nir_shader *shader);
+
 bool nir_opt_conditional_discard(nir_shader *shader);
 
 void nir_strip(nir_shader *shader);