nir/lower_input_attachments: Support loading layer id via gl_ViewIndex

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

diff --git a/src/compiler/nir/nir.h b/src/compiler/nir/nir.h
index 61bf23a52a656d16e019305d99cafae2e4d41049..5804670fb9902ee31b6bb087043b945dab97a692 100644 (file)
--- a/src/compiler/nir/nir.h
+++ b/src/compiler/nir/nir.h
@@ -3064,11 +3064,15 @@ typedef struct nir_shader_compiler_options {
    bool lower_pack_snorm_2x16;
    bool lower_pack_unorm_4x8;
    bool lower_pack_snorm_4x8;
+   bool lower_pack_64_2x32_split;
+   bool lower_pack_32_2x16_split;
    bool lower_unpack_half_2x16;
    bool lower_unpack_unorm_2x16;
    bool lower_unpack_snorm_2x16;
    bool lower_unpack_unorm_4x8;
    bool lower_unpack_snorm_4x8;
+   bool lower_unpack_64_2x32_split;
+   bool lower_unpack_32_2x16_split;
 
    bool lower_pack_split;
 
@@ -4099,6 +4103,12 @@ typedef enum {
     */
    nir_address_format_32bit_index_offset,
 
+   /**
+    * An address format which is a 64-bit value, where the high 32 bits
+    * are a buffer index, and the low 32 bits are an offset.
+    */
+    nir_address_format_32bit_index_offset_pack64,
+
    /**
     * An address format which is comprised of a vec3 where the first two
     * components specify the buffer and the third is an offset.
@@ -4133,6 +4143,7 @@ nir_address_format_bit_size(nir_address_format addr_format)
    case nir_address_format_64bit_global:              return 64;
    case nir_address_format_64bit_bounded_global:      return 32;
    case nir_address_format_32bit_index_offset:        return 32;
+   case nir_address_format_32bit_index_offset_pack64: return 64;
    case nir_address_format_vec2_index_32bit_offset:   return 32;
    case nir_address_format_32bit_offset:              return 32;
    case nir_address_format_32bit_offset_as_64bit:     return 64;
@@ -4149,6 +4160,7 @@ nir_address_format_num_components(nir_address_format addr_format)
    case nir_address_format_64bit_global:              return 1;
    case nir_address_format_64bit_bounded_global:      return 4;
    case nir_address_format_32bit_index_offset:        return 2;
+   case nir_address_format_32bit_index_offset_pack64: return 1;
    case nir_address_format_vec2_index_32bit_offset:   return 3;
    case nir_address_format_32bit_offset:              return 1;
    case nir_address_format_32bit_offset_as_64bit:     return 1;
@@ -4446,7 +4458,14 @@ enum nir_lower_idiv_path {
 
 bool nir_lower_idiv(nir_shader *shader, enum nir_lower_idiv_path path);
 
-bool nir_lower_input_attachments(nir_shader *shader, bool use_fragcoord_sysval);
+typedef struct nir_input_attachment_options {
+   bool use_fragcoord_sysval;
+   bool use_layer_id_sysval;
+   bool use_view_id_for_layer;
+} nir_input_attachment_options;
+
+bool nir_lower_input_attachments(nir_shader *shader,
+                                 const nir_input_attachment_options *options);
 
 bool nir_lower_clip_vs(nir_shader *shader, unsigned ucp_enables,
                        bool use_vars,