* - Fragment shader output: one of the values from \c gl_frag_result.
* - Uniforms: Per-stage uniform slot number for default uniform block.
* - Uniforms: Index within the uniform block definition for UBO members.
+ * - Non-UBO Uniforms: uniform slot number.
* - Other: This field is not currently used.
*
* If the variable is a uniform, shader input, or shader output, and the
nir_instr_type type;
struct nir_block *block;
+ /** generic instruction index. */
+ unsigned index;
+
/* A temporary for optimization and analysis passes to use for storing
* flags. For instance, DCE uses this to store the "dead/live" info.
*/
return dest;
}
-void nir_src_copy(nir_src *dest, const nir_src *src, void *mem_ctx);
-void nir_dest_copy(nir_dest *dest, const nir_dest *src, void *mem_ctx);
+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);
typedef struct {
nir_src src;
unsigned write_mask : 4; /* ignored if dest.is_ssa is true */
} nir_alu_dest;
-void nir_alu_src_copy(nir_alu_src *dest, const nir_alu_src *src, void *mem_ctx);
-void nir_alu_dest_copy(nir_alu_dest *dest, const nir_alu_dest *src,
- void *mem_ctx);
-
typedef enum {
nir_type_invalid = 0, /* Not a valid type */
nir_type_float,
nir_alu_src src[];
} nir_alu_instr;
+void nir_alu_src_copy(nir_alu_src *dest, const nir_alu_src *src,
+ nir_alu_instr *instr);
+void nir_alu_dest_copy(nir_alu_dest *dest, const nir_alu_dest *src,
+ nir_alu_instr *instr);
+
/* is this source channel used? */
static inline bool
nir_alu_instr_channel_used(nir_alu_instr *instr, unsigned src, unsigned channel)
nir_texop_txs, /**< Texture size */
nir_texop_lod, /**< Texture lod query */
nir_texop_tg4, /**< Texture gather */
- nir_texop_query_levels /**< Texture levels query */
+ nir_texop_query_levels, /**< Texture levels query */
+ nir_texop_texture_samples, /**< Texture samples query */
} nir_texop;
typedef struct {
case nir_texop_lod:
return 2;
+ case nir_texop_texture_samples:
case nir_texop_query_levels:
return 1;
/* lower {slt,sge,seq,sne} to {flt,fge,feq,fne} + b2f: */
bool lower_scmp;
+ /* Does the native fdot instruction replicate its result for four
+ * components? If so, then opt_algebraic_late will turn all fdotN
+ * instructions into fdot_replicatedN instructions.
+ */
+ bool fdot_replicates;
+
+ /** lowers ffract to fsub+ffloor: */
+ bool lower_ffract;
+
/**
* Does the driver support real 32-bit integers? (Otherwise, integers
* are simulated by floats.)
} nir_shader_compiler_options;
typedef struct nir_shader {
- /** hash table of name -> uniform nir_variable */
+ /** list of uniforms (nir_variable) */
struct exec_list uniforms;
- /** hash table of name -> input nir_variable */
+ /** list of inputs (nir_variable) */
struct exec_list inputs;
- /** hash table of name -> output nir_variable */
+ /** list of outputs (nir_variable) */
struct exec_list outputs;
/** Set of driver-specific options for the shader.
*/
const struct nir_shader_compiler_options *options;
- /** list of global variables in the shader */
+ /** list of global variables in the shader (nir_variable) */
struct exec_list globals;
- /** list of system value variables in the shader */
+ /** list of system value variables in the shader (nir_variable) */
struct exec_list system_values;
struct exec_list functions; /** < list of nir_function */
/** The shader stage, such as MESA_SHADER_VERTEX. */
gl_shader_stage stage;
+
+ struct {
+ /** The maximum number of vertices the geometry shader might write. */
+ unsigned vertices_out;
+
+ /** 1 .. MAX_GEOMETRY_SHADER_INVOCATIONS */
+ unsigned invocations;
+ } gs;
} nir_shader;
#define nir_foreach_overload(shader, overload) \
nir_load_const_instr *
nir_deref_get_const_initializer_load(nir_shader *shader, nir_deref_var *deref);
-void nir_instr_insert_before(nir_instr *instr, nir_instr *before);
-void nir_instr_insert_after(nir_instr *instr, nir_instr *after);
+/**
+ * NIR Cursors and Instruction Insertion API
+ * @{
+ *
+ * A tiny struct representing a point to insert/extract instructions or
+ * control flow nodes. Helps reduce the combinatorial explosion of possible
+ * points to insert/extract.
+ *
+ * \sa nir_control_flow.h
+ */
+typedef enum {
+ nir_cursor_before_block,
+ nir_cursor_after_block,
+ nir_cursor_before_instr,
+ nir_cursor_after_instr,
+} nir_cursor_option;
-void nir_instr_insert_before_block(nir_block *block, nir_instr *before);
-void nir_instr_insert_after_block(nir_block *block, nir_instr *after);
+typedef struct {
+ nir_cursor_option option;
+ union {
+ nir_block *block;
+ nir_instr *instr;
+ };
+} nir_cursor;
-void nir_instr_insert_before_cf(nir_cf_node *node, nir_instr *before);
-void nir_instr_insert_after_cf(nir_cf_node *node, nir_instr *after);
+static inline nir_cursor
+nir_before_block(nir_block *block)
+{
+ nir_cursor cursor;
+ cursor.option = nir_cursor_before_block;
+ cursor.block = block;
+ return cursor;
+}
-void nir_instr_insert_before_cf_list(struct exec_list *list, nir_instr *before);
-void nir_instr_insert_after_cf_list(struct exec_list *list, nir_instr *after);
+static inline nir_cursor
+nir_after_block(nir_block *block)
+{
+ nir_cursor cursor;
+ cursor.option = nir_cursor_after_block;
+ cursor.block = block;
+ return cursor;
+}
+
+static inline nir_cursor
+nir_before_instr(nir_instr *instr)
+{
+ nir_cursor cursor;
+ cursor.option = nir_cursor_before_instr;
+ cursor.instr = instr;
+ return cursor;
+}
+
+static inline nir_cursor
+nir_after_instr(nir_instr *instr)
+{
+ nir_cursor cursor;
+ cursor.option = nir_cursor_after_instr;
+ cursor.instr = instr;
+ return cursor;
+}
+
+static inline nir_cursor
+nir_after_block_before_jump(nir_block *block)
+{
+ nir_instr *last_instr = nir_block_last_instr(block);
+ if (last_instr && last_instr->type == nir_instr_type_jump) {
+ return nir_before_instr(last_instr);
+ } else {
+ return nir_after_block(block);
+ }
+}
+
+static inline nir_cursor
+nir_before_cf_node(nir_cf_node *node)
+{
+ if (node->type == nir_cf_node_block)
+ return nir_before_block(nir_cf_node_as_block(node));
+
+ return nir_after_block(nir_cf_node_as_block(nir_cf_node_prev(node)));
+}
+
+static inline nir_cursor
+nir_after_cf_node(nir_cf_node *node)
+{
+ if (node->type == nir_cf_node_block)
+ return nir_after_block(nir_cf_node_as_block(node));
+
+ return nir_before_block(nir_cf_node_as_block(nir_cf_node_next(node)));
+}
+
+static inline nir_cursor
+nir_before_cf_list(struct exec_list *cf_list)
+{
+ nir_cf_node *first_node = exec_node_data(nir_cf_node,
+ exec_list_get_head(cf_list), node);
+ return nir_before_cf_node(first_node);
+}
+
+static inline nir_cursor
+nir_after_cf_list(struct exec_list *cf_list)
+{
+ nir_cf_node *last_node = exec_node_data(nir_cf_node,
+ exec_list_get_tail(cf_list), node);
+ return nir_after_cf_node(last_node);
+}
+
+/**
+ * Insert a NIR instruction at the given cursor.
+ *
+ * Note: This does not update the cursor.
+ */
+void nir_instr_insert(nir_cursor cursor, nir_instr *instr);
+
+static inline void
+nir_instr_insert_before(nir_instr *instr, nir_instr *before)
+{
+ nir_instr_insert(nir_before_instr(instr), before);
+}
+
+static inline void
+nir_instr_insert_after(nir_instr *instr, nir_instr *after)
+{
+ nir_instr_insert(nir_after_instr(instr), after);
+}
+
+static inline void
+nir_instr_insert_before_block(nir_block *block, nir_instr *before)
+{
+ nir_instr_insert(nir_before_block(block), before);
+}
+
+static inline void
+nir_instr_insert_after_block(nir_block *block, nir_instr *after)
+{
+ nir_instr_insert(nir_after_block(block), after);
+}
+
+static inline void
+nir_instr_insert_before_cf(nir_cf_node *node, nir_instr *before)
+{
+ nir_instr_insert(nir_before_cf_node(node), before);
+}
+
+static inline void
+nir_instr_insert_after_cf(nir_cf_node *node, nir_instr *after)
+{
+ nir_instr_insert(nir_after_cf_node(node), after);
+}
+
+static inline void
+nir_instr_insert_before_cf_list(struct exec_list *list, nir_instr *before)
+{
+ nir_instr_insert(nir_before_cf_list(list), before);
+}
+
+static inline void
+nir_instr_insert_after_cf_list(struct exec_list *list, nir_instr *after)
+{
+ nir_instr_insert(nir_after_cf_list(list), after);
+}
void nir_instr_remove(nir_instr *instr);
+/** @} */
+
typedef bool (*nir_foreach_ssa_def_cb)(nir_ssa_def *def, void *state);
typedef bool (*nir_foreach_dest_cb)(nir_dest *dest, void *state);
typedef bool (*nir_foreach_src_cb)(nir_src *src, void *state);
void nir_instr_rewrite_src(nir_instr *instr, nir_src *src, nir_src new_src);
void nir_instr_move_src(nir_instr *dest_instr, nir_src *dest, nir_src *src);
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_ssa_dest_init(nir_instr *instr, nir_dest *dest,
unsigned num_components, const char *name);
void nir_ssa_def_init(nir_instr *instr, nir_ssa_def *def,
unsigned num_components, const char *name);
-void nir_ssa_def_rewrite_uses(nir_ssa_def *def, nir_src new_src, void *mem_ctx);
+void nir_ssa_def_rewrite_uses(nir_ssa_def *def, nir_src new_src);
/* visits basic blocks in source-code order */
typedef bool (*nir_foreach_block_cb)(nir_block *block, void *state);
void *state);
bool nir_foreach_block_reverse(nir_function_impl *impl, nir_foreach_block_cb cb,
void *state);
+bool nir_foreach_block_in_cf_node(nir_cf_node *node, nir_foreach_block_cb cb,
+ void *state);
/* If the following CF node is an if, this function returns that if.
* Otherwise, it returns NULL.
*/
nir_if *nir_block_get_following_if(nir_block *block);
+nir_loop *nir_block_get_following_loop(nir_block *block);
+
void nir_index_local_regs(nir_function_impl *impl);
void nir_index_global_regs(nir_shader *shader);
void nir_index_ssa_defs(nir_function_impl *impl);
+unsigned nir_index_instrs(nir_function_impl *impl);
void nir_index_blocks(nir_function_impl *impl);
void nir_lower_locals_to_regs(nir_shader *shader);
+void nir_lower_outputs_to_temporaries(nir_shader *shader);
+
void nir_assign_var_locations(struct exec_list *var_list,
unsigned *size,
int (*type_size)(const struct glsl_type *));
void nir_remove_dead_variables(nir_shader *shader);
+void nir_move_vec_src_uses_to_dest(nir_shader *shader);
void nir_lower_vec_to_movs(nir_shader *shader);
void nir_lower_alu_to_scalar(nir_shader *shader);
void nir_lower_load_const_to_scalar(nir_shader *shader);
const struct gl_shader_program *shader_program);
void nir_lower_system_values(nir_shader *shader);
-void nir_lower_tex_projector(nir_shader *shader);
+
+typedef struct nir_lower_tex_options {
+ /**
+ * bitmask of (1 << GLSL_SAMPLER_DIM_x) to control for which
+ * sampler types a texture projector is lowered.
+ */
+ unsigned lower_txp;
+
+ /**
+ * If true, lower rect textures to 2D, using txs to fetch the
+ * texture dimensions and dividing the texture coords by the
+ * texture dims to normalize.
+ */
+ bool lower_rect;
+} nir_lower_tex_options;
+
+void nir_lower_tex(nir_shader *shader,
+ const nir_lower_tex_options *options);
+
void nir_lower_idiv(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_atomics(nir_shader *shader);
void nir_lower_to_source_mods(nir_shader *shader);
bool nir_opt_dce_impl(nir_function_impl *impl);
bool nir_opt_dce(nir_shader *shader);
+bool nir_opt_dead_cf(nir_shader *shader);
+
void nir_opt_gcm(nir_shader *shader);
bool nir_opt_peephole_select(nir_shader *shader);
void nir_sweep(nir_shader *shader);
+gl_system_value nir_system_value_from_intrinsic(nir_intrinsic_op intrin);
+
#ifdef __cplusplus
} /* extern "C" */
#endif
projects / mesa.git / blobdiff