#include "compiler/shader_info.h"
#include <stdio.h>
-#ifdef DEBUG
+#ifndef NDEBUG
#include "util/debug.h"
-#endif /* DEBUG */
+#endif /* NDEBUG */
#include "nir_opcodes.h"
extern "C" {
#endif
-struct gl_program;
-struct gl_shader_program;
-
#define NIR_FALSE 0u
#define NIR_TRUE (~0u)
* \sa nir_variable::state_slots
*/
typedef struct {
- int tokens[5];
+ gl_state_index16 tokens[STATE_LENGTH];
int swizzle;
} nir_state_slot;
nir_var_all = ~0,
} nir_variable_mode;
+/**
+ * Rounding modes.
+ */
+typedef enum {
+ nir_rounding_mode_undef = 0,
+ nir_rounding_mode_rtne = 1, /* round to nearest even */
+ nir_rounding_mode_ru = 2, /* round up */
+ nir_rounding_mode_rd = 3, /* round down */
+ nir_rounding_mode_rtz = 4, /* round towards zero */
+} nir_rounding_mode;
typedef union {
float f32[4];
unsigned patch:1;
unsigned invariant:1;
+ /**
+ * When separate shader programs are enabled, only input/outputs between
+ * the stages of a multi-stage separate program can be safely removed
+ * from the shader interface. Other input/outputs must remains active.
+ *
+ * This is also used to make sure xfb varyings that are unused by the
+ * fragment shader are not removed.
+ */
+ unsigned always_active_io:1;
+
/**
* Interpolation mode for shader inputs / outputs
*
* be tightly packed. In other words, consecutive array elements
* should be stored one component apart, rather than one slot apart.
*/
- bool compact:1;
+ unsigned compact:1;
/**
* Whether this is a fragment shader output implicitly initialized with
*/
unsigned fb_fetch_output:1;
+ /**
+ * Non-zero if this variable is considered bindless as defined by
+ * ARB_bindless_texture.
+ */
+ unsigned bindless:1;
+
/**
* \brief Layout qualifier for gl_FragDepth.
*
*/
unsigned int driver_location;
+ /**
+ * Vertex stream output identifier.
+ *
+ * For packed outputs, bit 31 is set and bits [2*i+1,2*i] indicate the
+ * stream of the i-th component.
+ */
+ unsigned stream;
+
/**
* output index for dual source blending.
*/
return src.is_ssa ? src.ssa->bit_size : src.reg.reg->bit_size;
}
+static inline unsigned
+nir_src_num_components(nir_src src)
+{
+ return src.is_ssa ? src.ssa->num_components : src.reg.reg->num_components;
+}
+
static inline unsigned
nir_dest_bit_size(nir_dest dest)
{
return dest.is_ssa ? dest.ssa.bit_size : dest.reg.reg->bit_size;
}
+static inline unsigned
+nir_dest_num_components(nir_dest dest)
+{
+ return dest.is_ssa ? dest.ssa.num_components : dest.reg.reg->num_components;
+}
+
void nir_src_copy(nir_src *dest, const nir_src *src, void *instr_or_if);
void nir_dest_copy(nir_dest *dest, const nir_dest *src, nir_instr *instr);
case GLSL_TYPE_INT:
return nir_type_int32;
break;
+ case GLSL_TYPE_UINT16:
+ return nir_type_uint16;
+ break;
+ case GLSL_TYPE_INT16:
+ return nir_type_int16;
+ break;
+ case GLSL_TYPE_UINT8:
+ return nir_type_uint8;
+ case GLSL_TYPE_INT8:
+ return nir_type_int8;
case GLSL_TYPE_UINT64:
return nir_type_uint64;
break;
case GLSL_TYPE_FLOAT:
return nir_type_float32;
break;
+ case GLSL_TYPE_FLOAT16:
+ return nir_type_float16;
+ break;
case GLSL_TYPE_DOUBLE:
return nir_type_float64;
break;
return nir_get_nir_type_for_glsl_base_type(glsl_get_base_type(type));
}
-nir_op nir_type_conversion_op(nir_alu_type src, nir_alu_type dst);
+nir_op nir_type_conversion_op(nir_alu_type src, nir_alu_type dst,
+ nir_rounding_mode rnd);
typedef enum {
NIR_OP_IS_COMMUTATIVE = (1 << 0),
struct nir_function *callee;
} nir_call_instr;
-#define INTRINSIC(name, num_srcs, src_components, has_dest, dest_components, \
- num_variables, num_indices, idx0, idx1, idx2, flags) \
- nir_intrinsic_##name,
-
-#define LAST_INTRINSIC(name) nir_last_intrinsic = nir_intrinsic_##name,
-
-typedef enum {
#include "nir_intrinsics.h"
- nir_num_intrinsics = nir_last_intrinsic + 1
-} nir_intrinsic_op;
#define NIR_INTRINSIC_MAX_CONST_INDEX 3
*/
NIR_INTRINSIC_INTERP_MODE = 9,
+ /**
+ * A binary nir_op to use when performing a reduction or scan operation
+ */
+ NIR_INTRINSIC_REDUCTION_OP = 10,
+
+ /**
+ * Cluster size for reduction operations
+ */
+ NIR_INTRINSIC_CLUSTER_SIZE = 11,
+
NIR_INTRINSIC_NUM_INDEX_FLAGS,
} nir_intrinsic_index_flag;
extern const nir_intrinsic_info nir_intrinsic_infos[nir_num_intrinsics];
+static inline unsigned
+nir_intrinsic_src_components(nir_intrinsic_instr *intr, unsigned srcn)
+{
+ const nir_intrinsic_info *info = &nir_intrinsic_infos[intr->intrinsic];
+ assert(srcn < info->num_srcs);
+ if (info->src_components[srcn])
+ return info->src_components[srcn];
+ else
+ return intr->num_components;
+}
+
+static inline unsigned
+nir_intrinsic_dest_components(nir_intrinsic_instr *intr)
+{
+ const nir_intrinsic_info *info = &nir_intrinsic_infos[intr->intrinsic];
+ if (!info->has_dest)
+ return 0;
+ else if (info->dest_components)
+ return info->dest_components;
+ else
+ return intr->num_components;
+}
#define INTRINSIC_IDX_ACCESSORS(name, flag, type) \
static inline type \
INTRINSIC_IDX_ACCESSORS(binding, BINDING, unsigned)
INTRINSIC_IDX_ACCESSORS(component, COMPONENT, unsigned)
INTRINSIC_IDX_ACCESSORS(interp_mode, INTERP_MODE, unsigned)
+INTRINSIC_IDX_ACCESSORS(reduction_op, REDUCTION_OP, unsigned)
+INTRINSIC_IDX_ACCESSORS(cluster_size, CLUSTER_SIZE, unsigned)
/**
* \group texture information
nir_texop_tex, /**< Regular texture look-up */
nir_texop_txb, /**< Texture look-up with LOD bias */
nir_texop_txl, /**< Texture look-up with explicit LOD */
- nir_texop_txd, /**< Texture look-up with partial derivatvies */
+ nir_texop_txd, /**< Texture look-up with partial derivatives */
nir_texop_txf, /**< Texel fetch with explicit LOD */
nir_texop_txf_ms, /**< Multisample texture fetch */
nir_texop_txf_ms_mcs, /**< Multisample compression value fetch */
* - nir_texop_txf_ms
* - nir_texop_txs
* - nir_texop_lod
- * - nir_texop_tg4
* - nir_texop_query_levels
* - nir_texop_texture_samples
* - nir_texop_samples_identical
if (instr->src[src].src_type == nir_tex_src_ms_mcs)
return 4;
- if (instr->src[src].src_type == nir_tex_src_offset ||
- instr->src[src].src_type == nir_tex_src_ddx ||
+ if (instr->src[src].src_type == nir_tex_src_ddx ||
instr->src[src].src_type == nir_tex_src_ddy) {
if (instr->is_array)
return instr->coord_components - 1;
return instr->coord_components;
}
+ /* Usual APIs don't allow cube + offset, but we allow it, with 2 coords for
+ * the offset, since a cube maps to a single face.
+ */
+ if (instr->src[src].src_type == nir_tex_src_offset) {
+ if (instr->sampler_dim == GLSL_SAMPLER_DIM_CUBE)
+ return 2;
+ else if (instr->is_array)
+ return instr->coord_components - 1;
+ else
+ return instr->coord_components;
+ }
+
return 1;
}
return -1;
}
+void nir_tex_instr_add_src(nir_tex_instr *tex,
+ nir_tex_src_type src_type,
+ nir_src src);
+
void nir_tex_instr_remove_src(nir_tex_instr *tex, unsigned src_idx);
typedef struct {
/** lowers ffract to fsub+ffloor: */
bool lower_ffract;
+ bool lower_ldexp;
+
bool lower_pack_half_2x16;
bool lower_pack_unorm_2x16;
bool lower_pack_snorm_2x16;
bool lower_extract_byte;
bool lower_extract_word;
+ bool lower_all_io_to_temps;
+
/**
* Does the driver support real 32-bit integers? (Otherwise, integers
* are simulated by floats.)
bool lower_cs_local_index_from_id;
+ bool lower_device_index_to_zero;
+
/**
* Should nir_lower_io() create load_interpolated_input intrinsics?
*
*/
bool use_interpolated_input_intrinsics;
+ /**
+ * Do vertex shader double inputs use two locations? The Vulkan spec
+ * requires two locations to be used, OpenGL allows a single location.
+ */
+ bool vs_inputs_dual_locations;
+
unsigned max_unroll_iterations;
} nir_shader_compiler_options;
* access plus one
*/
unsigned num_inputs, num_uniforms, num_outputs, num_shared;
-
- /** The shader stage, such as MESA_SHADER_VERTEX. */
- gl_shader_stage stage;
} nir_shader;
static inline nir_function_impl *
nir_load_const_instr *
nir_deref_get_const_initializer_load(nir_shader *shader, nir_deref_var *deref);
+nir_const_value nir_alu_binop_identity(nir_op binop, unsigned bit_size);
+
/**
* NIR Cursors and Instruction Insertion API
* @{
nir_instr_insert(nir_after_cf_list(list), after);
}
-void nir_instr_remove(nir_instr *instr);
+void nir_instr_remove_v(nir_instr *instr);
+
+static inline nir_cursor
+nir_instr_remove(nir_instr *instr)
+{
+ nir_cursor cursor;
+ nir_instr *prev = nir_instr_prev(instr);
+ if (prev) {
+ cursor = nir_after_instr(prev);
+ } else {
+ cursor = nir_before_block(instr->block);
+ }
+ nir_instr_remove_v(instr);
+ return cursor;
+}
/** @} */
void nir_if_rewrite_condition(nir_if *if_stmt, nir_src new_src);
void nir_instr_rewrite_dest(nir_instr *instr, nir_dest *dest,
nir_dest new_dest);
+void nir_instr_rewrite_deref(nir_instr *instr, nir_deref_var **deref,
+ nir_deref_var *new_deref);
void nir_ssa_dest_init(nir_instr *instr, nir_dest *dest,
unsigned num_components, unsigned bit_size,
void nir_ssa_def_init(nir_instr *instr, nir_ssa_def *def,
unsigned num_components, unsigned bit_size,
const char *name);
+static inline void
+nir_ssa_dest_init_for_type(nir_instr *instr, nir_dest *dest,
+ const struct glsl_type *type,
+ const char *name)
+{
+ assert(glsl_type_is_vector_or_scalar(type));
+ nir_ssa_dest_init(instr, dest, glsl_get_components(type),
+ glsl_get_bit_size(type), name);
+}
void nir_ssa_def_rewrite_uses(nir_ssa_def *def, nir_src new_src);
void nir_ssa_def_rewrite_uses_after(nir_ssa_def *def, nir_src new_src,
nir_instr *after_me);
-uint8_t nir_ssa_def_components_read(nir_ssa_def *def);
+uint8_t nir_ssa_def_components_read(const nir_ssa_def *def);
/*
* finds the next basic block in source-code order, returns NULL if there is
nir_deref *nir_deref_clone(const nir_deref *deref, void *mem_ctx);
nir_deref_var *nir_deref_var_clone(const nir_deref_var *deref, void *mem_ctx);
-#ifdef DEBUG
+nir_shader *nir_shader_serialize_deserialize(void *mem_ctx, nir_shader *s);
+
+#ifndef NDEBUG
void nir_validate_shader(nir_shader *shader);
void nir_metadata_set_validation_flag(nir_shader *shader);
void nir_metadata_check_validation_flag(nir_shader *shader);
return should_clone;
}
+static inline bool
+should_serialize_deserialize_nir(void)
+{
+ static int test_serialize = -1;
+ if (test_serialize < 0)
+ test_serialize = env_var_as_boolean("NIR_TEST_SERIALIZE", false);
+
+ return test_serialize;
+}
+
static inline bool
should_print_nir(void)
{
static inline void nir_metadata_set_validation_flag(nir_shader *shader) { (void) shader; }
static inline void nir_metadata_check_validation_flag(nir_shader *shader) { (void) shader; }
static inline bool should_clone_nir(void) { return false; }
+static inline bool should_serialize_deserialize_nir(void) { return false; }
static inline bool should_print_nir(void) { return false; }
-#endif /* DEBUG */
+#endif /* NDEBUG */
#define _PASS(nir, do_pass) do { \
do_pass \
ralloc_free(nir); \
nir = clone; \
} \
+ if (should_serialize_deserialize_nir()) { \
+ void *mem_ctx = ralloc_parent(nir); \
+ nir = nir_shader_serialize_deserialize(mem_ctx, nir); \
+ } \
} while (0)
#define NIR_PASS(progress, nir, pass, ...) _PASS(nir, \
void nir_assign_var_locations(struct exec_list *var_list, unsigned *size,
int (*type_size)(const struct glsl_type *));
+/* Some helpers to do very simple linking */
+bool nir_remove_unused_varyings(nir_shader *producer, nir_shader *consumer);
+void nir_compact_varyings(nir_shader *producer, nir_shader *consumer,
+ bool default_to_smooth_interp);
+
typedef enum {
/* If set, this forces all non-flat fragment shader inputs to be
* interpolated as if with the "sample" qualifier. This requires
bool nir_move_vec_src_uses_to_dest(nir_shader *shader);
bool nir_lower_vec_to_movs(nir_shader *shader);
+void nir_lower_alpha_test(nir_shader *shader, enum compare_func func,
+ bool alpha_to_one);
bool nir_lower_alu_to_scalar(nir_shader *shader);
bool nir_lower_load_const_to_scalar(nir_shader *shader);
-
+bool nir_lower_read_invocation_to_scalar(nir_shader *shader);
bool nir_lower_phis_to_scalar(nir_shader *shader);
+void nir_lower_io_arrays_to_elements(nir_shader *producer, nir_shader *consumer);
+void nir_lower_io_arrays_to_elements_no_indirects(nir_shader *shader,
+ bool outputs_only);
void nir_lower_io_to_scalar(nir_shader *shader, nir_variable_mode mask);
-
-bool nir_lower_samplers(nir_shader *shader,
- const struct gl_shader_program *shader_program);
+void nir_lower_io_to_scalar_early(nir_shader *shader, nir_variable_mode mask);
+
+typedef struct nir_lower_subgroups_options {
+ uint8_t subgroup_size;
+ uint8_t ballot_bit_size;
+ bool lower_to_scalar:1;
+ bool lower_vote_trivial:1;
+ bool lower_vote_eq_to_ballot:1;
+ bool lower_subgroup_masks:1;
+ bool lower_shuffle:1;
+ bool lower_shuffle_to_32bit:1;
+ bool lower_quad:1;
+} nir_lower_subgroups_options;
+
+bool nir_lower_subgroups(nir_shader *shader,
+ const nir_lower_subgroups_options *options);
bool nir_lower_system_values(nir_shader *shader);
* with lower_txd_cube_map.
*/
bool lower_txd_shadow;
+
+ /**
+ * If true, lower nir_texop_txd on all samplers to a nir_texop_txl.
+ * Implies lower_txd_cube_map and lower_txd_shadow.
+ */
+ bool lower_txd;
} nir_lower_tex_options;
bool nir_lower_tex(nir_shader *shader,
void nir_lower_tes_patch_vertices(nir_shader *tes, unsigned patch_vertices);
typedef struct nir_lower_wpos_ytransform_options {
- int state_tokens[5];
+ gl_state_index16 state_tokens[STATE_LENGTH];
bool fs_coord_origin_upper_left :1;
bool fs_coord_origin_lower_left :1;
bool fs_coord_pixel_center_integer :1;
bool nir_lower_wpos_center(nir_shader *shader, const bool for_sample_shading);
typedef struct nir_lower_drawpixels_options {
- int texcoord_state_tokens[5];
- int scale_state_tokens[5];
- int bias_state_tokens[5];
+ gl_state_index16 texcoord_state_tokens[STATE_LENGTH];
+ gl_state_index16 scale_state_tokens[STATE_LENGTH];
+ gl_state_index16 bias_state_tokens[STATE_LENGTH];
unsigned drawpix_sampler;
unsigned pixelmap_sampler;
bool pixel_maps :1;
void nir_lower_bitmap(nir_shader *shader, const nir_lower_bitmap_options *options);
-bool nir_lower_atomics(nir_shader *shader,
- const struct gl_shader_program *shader_program);
bool nir_lower_atomics_to_ssbo(nir_shader *shader, unsigned ssbo_offset);
bool nir_lower_to_source_mods(nir_shader *shader);
bool nir_opt_move_comparisons(nir_shader *shader);
+bool nir_opt_move_load_ubo(nir_shader *shader);
+
bool nir_opt_peephole_select(nir_shader *shader, unsigned limit);
bool nir_opt_remove_phis(nir_shader *shader);
+bool nir_opt_shrink_load(nir_shader *shader);
+
bool nir_opt_trivial_continues(nir_shader *shader);
bool nir_opt_undef(nir_shader *shader);
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