#include "util/macros.h"
#include "compiler/nir_types.h"
#include "compiler/shader_enums.h"
+#include "compiler/shader_info.h"
#include <stdio.h>
#include "nir_opcodes.h"
nir_var_all = ~0,
} nir_variable_mode;
-/**
- * Data stored in an nir_constant
- */
-union nir_constant_data {
- unsigned u[16];
- int i[16];
- float f[16];
- bool b[16];
- double d[16];
-};
+
+typedef union {
+ float f32[4];
+ double f64[4];
+ int32_t i32[4];
+ uint32_t u32[4];
+ int64_t i64[4];
+ uint64_t u64[4];
+} nir_const_value;
typedef struct nir_constant {
/**
* by the type associated with the \c nir_variable. Constants may be
* scalars, vectors, or matrices.
*/
- union nir_constant_data value;
+ nir_const_value values[4];
/* we could get this from the var->type but makes clone *much* easier to
* not have to care about the type.
unsigned pixel_center_integer:1;
/*@}*/
- /**
- * Was the location explicitly set in the shader?
- *
- * If the location is explicitly set in the shader, it \b cannot be changed
- * by the linker or by the API (e.g., calls to \c glBindAttribLocation have
- * no effect).
- */
- unsigned explicit_location:1;
- unsigned explicit_index:1;
-
- /**
- * Was an initial binding explicitly set in the shader?
- *
- * If so, constant_initializer contains an integer nir_constant
- * representing the initial binding point.
- */
- unsigned explicit_binding:1;
-
- /**
- * Does this variable have an initializer?
- *
- * This is used by the linker to cross-validiate initializers of global
- * variables.
- */
- unsigned has_initializer:1;
-
/**
* If non-zero, then this variable may be packed along with other variables
* into a single varying slot, so this offset should be applied when
*/
unsigned location_frac:2;
+ /**
+ * If true, this variable represents an array of scalars that should
+ * be tightly packed. In other words, consecutive array elements
+ * should be stored one component apart, rather than one slot apart.
+ */
+ bool compact:1;
+
/**
* Whether this is a fragment shader output implicitly initialized with
* the previous contents of the specified render target at the
/** Image internal format if specified explicitly, otherwise GL_NONE. */
GLenum format;
} image;
-
- /**
- * Highest element accessed with a constant expression array index
- *
- * Not used for non-array variables.
- */
- unsigned max_array_access;
-
} data;
/**
/**
* Constant expression assigned in the initializer of the variable
+ *
+ * This field should only be used temporarily by creators of NIR shaders
+ * and then lower_constant_initializers can be used to get rid of them.
+ * Most of the rest of NIR ignores this field or asserts that it's NULL.
*/
nir_constant *constant_initializer;
struct list_head if_uses;
} nir_register;
+#define nir_foreach_register(reg, reg_list) \
+ foreach_list_typed(nir_register, reg, node, reg_list)
+#define nir_foreach_register_safe(reg, reg_list) \
+ foreach_list_typed_safe(nir_register, reg, node, reg_list)
+
typedef enum {
nir_instr_type_alu,
nir_instr_type_call,
return type & NIR_ALU_TYPE_BASE_TYPE_MASK;
}
+static inline nir_alu_type
+nir_get_nir_type_for_glsl_type(const struct glsl_type *type)
+{
+ switch (glsl_get_base_type(type)) {
+ case GLSL_TYPE_BOOL:
+ return nir_type_bool32;
+ break;
+ case GLSL_TYPE_UINT:
+ return nir_type_uint32;
+ break;
+ case GLSL_TYPE_INT:
+ return nir_type_int32;
+ break;
+ case GLSL_TYPE_FLOAT:
+ return nir_type_float32;
+ break;
+ case GLSL_TYPE_DOUBLE:
+ return nir_type_float64;
+ break;
+ default:
+ unreachable("unknown type");
+ }
+}
+
typedef enum {
NIR_OP_IS_COMMUTATIVE = (1 << 0),
NIR_OP_IS_ASSOCIATIVE = (1 << 1),
typedef enum {
nir_tex_src_coord,
nir_tex_src_projector,
- nir_tex_src_comparitor, /* shadow comparitor */
+ nir_tex_src_comparator, /* shadow comparator */
nir_tex_src_offset,
nir_tex_src_bias,
nir_tex_src_lod,
}
case nir_tex_src_projector:
- case nir_tex_src_comparitor:
+ case nir_tex_src_comparator:
case nir_tex_src_bias:
case nir_tex_src_ddx:
case nir_tex_src_ddy:
void nir_tex_instr_remove_src(nir_tex_instr *tex, unsigned src_idx);
-typedef union {
- float f32[4];
- double f64[4];
- int32_t i32[4];
- uint32_t u32[4];
- int64_t i64[4];
- uint64_t u64[4];
-} nir_const_value;
-
typedef struct {
nir_instr instr;
struct exec_list else_list; /** < list of nir_cf_node */
} nir_if;
+typedef struct {
+ nir_if *nif;
+
+ nir_instr *conditional_instr;
+
+ nir_block *break_block;
+ nir_block *continue_from_block;
+
+ bool continue_from_then;
+
+ struct list_head loop_terminator_link;
+} nir_loop_terminator;
+
+typedef struct {
+ /* Number of instructions in the loop */
+ unsigned num_instructions;
+
+ /* How many times the loop is run (if known) */
+ unsigned trip_count;
+ bool is_trip_count_known;
+
+ /* Unroll the loop regardless of its size */
+ bool force_unroll;
+
+ nir_loop_terminator *limiting_terminator;
+
+ /* A list of loop_terminators terminating this loop. */
+ struct list_head loop_terminator_list;
+} nir_loop_info;
+
typedef struct {
nir_cf_node cf_node;
struct exec_list body; /** < list of nir_cf_node */
+
+ nir_loop_info *info;
} nir_loop;
/**
nir_metadata_dominance = 0x2,
nir_metadata_live_ssa_defs = 0x4,
nir_metadata_not_properly_reset = 0x8,
+ nir_metadata_loop_analysis = 0x10,
} nir_metadata;
typedef struct {
* information must be inferred from the list of input nir_variables.
*/
bool use_interpolated_input_intrinsics;
-} nir_shader_compiler_options;
-
-typedef struct nir_shader_info {
- const char *name;
-
- /* Descriptive name provided by the client; may be NULL */
- const char *label;
-
- /* Number of textures used by this shader */
- unsigned num_textures;
- /* Number of uniform buffers used by this shader */
- unsigned num_ubos;
- /* Number of atomic buffers used by this shader */
- unsigned num_abos;
- /* Number of shader storage buffers used by this shader */
- unsigned num_ssbos;
- /* Number of images used by this shader */
- unsigned num_images;
-
- /* Which inputs are actually read */
- uint64_t inputs_read;
- /* Which inputs are actually read and are double */
- uint64_t double_inputs_read;
- /* Which outputs are actually written */
- uint64_t outputs_written;
- /* Which outputs are actually read */
- uint64_t outputs_read;
- /* Which system values are actually read */
- uint64_t system_values_read;
-
- /* Which patch inputs are actually read */
- uint32_t patch_inputs_read;
- /* Which patch outputs are actually written */
- uint32_t patch_outputs_written;
-
- /* Whether or not this shader ever uses textureGather() */
- bool uses_texture_gather;
-
- /* Whether or not this shader uses the gl_ClipDistance output */
- bool uses_clip_distance_out;
-
- /* Whether or not separate shader objects were used */
- bool separate_shader;
-
- /** Was this shader linked with any transform feedback varyings? */
- bool has_transform_feedback_varyings;
-
- union {
- struct {
- /** The number of vertices recieves per input primitive */
- unsigned vertices_in;
-
- /** The output primitive type (GL enum value) */
- unsigned output_primitive;
-
- /** The maximum number of vertices the geometry shader might write. */
- unsigned vertices_out;
-
- /** 1 .. MAX_GEOMETRY_SHADER_INVOCATIONS */
- unsigned invocations;
-
- /** Whether or not this shader uses EndPrimitive */
- bool uses_end_primitive;
-
- /** Whether or not this shader uses non-zero streams */
- bool uses_streams;
- } gs;
-
- struct {
- bool uses_discard;
-
- /**
- * Whether any inputs are declared with the "sample" qualifier.
- */
- bool uses_sample_qualifier;
- /**
- * Whether early fragment tests are enabled as defined by
- * ARB_shader_image_load_store.
- */
- bool early_fragment_tests;
-
- /** gl_FragDepth layout for ARB_conservative_depth. */
- enum gl_frag_depth_layout depth_layout;
- } fs;
-
- struct {
- unsigned local_size[3];
- } cs;
-
- struct {
- /** The number of vertices in the TCS output patch. */
- unsigned vertices_out;
- } tcs;
- };
-} nir_shader_info;
+ unsigned max_unroll_iterations;
+} nir_shader_compiler_options;
typedef struct nir_shader {
/** list of uniforms (nir_variable) */
const struct nir_shader_compiler_options *options;
/** Various bits of compile-time information about a given shader */
- struct nir_shader_info info;
+ struct shader_info *info;
/** list of global variables in the shader (nir_variable) */
struct exec_list globals;
nir_shader *nir_shader_create(void *mem_ctx,
gl_shader_stage stage,
- const nir_shader_compiler_options *options);
+ const nir_shader_compiler_options *options,
+ shader_info *si);
/** creates a register, including assigning it an index and adding it to the list */
nir_register *nir_global_reg_create(nir_shader *shader);
nir_function_impl *nir_cf_node_get_function(nir_cf_node *node);
/** requests that the given pieces of metadata be generated */
-void nir_metadata_require(nir_function_impl *impl, nir_metadata required);
+void nir_metadata_require(nir_function_impl *impl, nir_metadata required, ...);
/** dirties all but the preserved metadata */
void nir_metadata_preserve(nir_function_impl *impl, nir_metadata preserved);
nir_deref_array *nir_deref_array_create(void *mem_ctx);
nir_deref_struct *nir_deref_struct_create(void *mem_ctx, unsigned field_index);
-nir_deref *nir_copy_deref(void *mem_ctx, nir_deref *deref);
-
typedef bool (*nir_deref_foreach_leaf_cb)(nir_deref_var *deref, void *state);
bool nir_deref_foreach_leaf(nir_deref_var *deref,
nir_deref_foreach_leaf_cb cb, void *state);
nir_function_impl *nir_function_impl_clone(const nir_function_impl *fi);
nir_constant *nir_constant_clone(const nir_constant *c, nir_variable *var);
nir_variable *nir_variable_clone(const nir_variable *c, nir_shader *shader);
+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
void nir_validate_shader(nir_shader *shader);
bool nir_propagate_invariant(nir_shader *shader);
-void nir_lower_var_copy_instr(nir_intrinsic_instr *copy, void *mem_ctx);
+void nir_lower_var_copy_instr(nir_intrinsic_instr *copy, nir_shader *shader);
void nir_lower_var_copies(nir_shader *shader);
bool nir_lower_global_vars_to_local(nir_shader *shader);
void nir_shader_gather_info(nir_shader *shader, nir_function_impl *entrypoint);
void nir_assign_var_locations(struct exec_list *var_list, unsigned *size,
- unsigned base_offset,
int (*type_size)(const struct glsl_type *));
typedef enum {
nir_src *nir_get_io_offset_src(nir_intrinsic_instr *instr);
nir_src *nir_get_io_vertex_index_src(nir_intrinsic_instr *instr);
+bool nir_is_per_vertex_io(nir_variable *var, gl_shader_stage stage);
+
void nir_lower_io_types(nir_shader *shader);
+void nir_lower_regs_to_ssa_impl(nir_function_impl *impl);
+void nir_lower_regs_to_ssa(nir_shader *shader);
void nir_lower_vars_to_ssa(nir_shader *shader);
bool nir_remove_dead_variables(nir_shader *shader, nir_variable_mode modes);
+bool nir_lower_constant_initializers(nir_shader *shader,
+ nir_variable_mode modes);
void nir_move_vec_src_uses_to_dest(nir_shader *shader);
bool nir_lower_vec_to_movs(nir_shader *shader);
* of the texture are lowered to linear.
*/
unsigned lower_srgb;
+
+ /**
+ * If true, lower nir_texop_txd on cube maps with nir_texop_txl.
+ */
+ bool lower_txd_cube_map;
+
+ /**
+ * If true, lower nir_texop_txd on shadow samplers (except cube maps)
+ * with nir_texop_txl. Notice that cube map shadow samplers are lowered
+ * with lower_txd_cube_map.
+ */
+ bool lower_txd_shadow;
} nir_lower_tex_options;
bool nir_lower_tex(nir_shader *shader,
void nir_lower_clip_vs(nir_shader *shader, unsigned ucp_enables);
void nir_lower_clip_fs(nir_shader *shader, unsigned ucp_enables);
+void nir_lower_clip_cull_distance_arrays(nir_shader *nir);
void nir_lower_two_sided_color(nir_shader *shader);
bool nir_normalize_cubemap_coords(nir_shader *shader);
void nir_live_ssa_defs_impl(nir_function_impl *impl);
-bool nir_ssa_defs_interfere(nir_ssa_def *a, nir_ssa_def *b);
-void nir_convert_to_ssa_impl(nir_function_impl *impl);
-void nir_convert_to_ssa(nir_shader *shader);
+void nir_loop_analyze_impl(nir_function_impl *impl,
+ nir_variable_mode indirect_mask);
+
+bool nir_ssa_defs_interfere(nir_ssa_def *a, nir_ssa_def *b);
bool nir_repair_ssa_impl(nir_function_impl *impl);
bool nir_repair_ssa(nir_shader *shader);
+void nir_convert_loop_to_lcssa(nir_loop *loop);
+
/* If phi_webs_only is true, only convert SSA values involved in phi nodes to
* registers. If false, convert all values (even those not involved in a phi
* node) to registers.
*/
void nir_convert_from_ssa(nir_shader *shader, bool phi_webs_only);
+bool nir_lower_phis_to_regs_block(nir_block *block);
+bool nir_lower_ssa_defs_to_regs_block(nir_block *block);
+
bool nir_opt_algebraic(nir_shader *shader);
bool nir_opt_algebraic_late(nir_shader *shader);
bool nir_opt_constant_folding(nir_shader *shader);
bool nir_copy_prop(nir_shader *shader);
+bool nir_opt_copy_prop_vars(nir_shader *shader);
+
bool nir_opt_cse(nir_shader *shader);
bool nir_opt_dce(nir_shader *shader);
bool nir_opt_gcm(nir_shader *shader, bool value_number);
+bool nir_opt_if(nir_shader *shader);
+
+bool nir_opt_loop_unroll(nir_shader *shader, nir_variable_mode indirect_mask);
+
bool nir_opt_peephole_select(nir_shader *shader, unsigned limit);
bool nir_opt_remove_phis(nir_shader *shader);
+bool nir_opt_trivial_continues(nir_shader *shader);
+
bool nir_opt_undef(nir_shader *shader);
+bool nir_opt_conditional_discard(nir_shader *shader);
+
void nir_sweep(nir_shader *shader);
nir_intrinsic_op nir_intrinsic_from_system_value(gl_system_value val);
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