*/
int index;
+ /**
+ * Descriptor set binding for sampler or UBO.
+ */
+ int descriptor_set;
+
/**
* Initial binding point for a sampler or UBO.
*
#define nir_foreach_variable(var, var_list) \
foreach_list_typed(nir_variable, var, node, var_list)
+/**
+ * Returns the bits in the inputs_read, outputs_written, or
+ * system_values_read bitfield corresponding to this variable.
+ */
+static inline uint64_t
+nir_variable_get_io_mask(nir_variable *var, gl_shader_stage stage)
+{
+ assert(var->data.mode == nir_var_shader_in ||
+ var->data.mode == nir_var_shader_out ||
+ var->data.mode == nir_var_system_value);
+ assert(var->data.location >= 0);
+
+ const struct glsl_type *var_type = var->type;
+ if (stage == MESA_SHADER_GEOMETRY && var->data.mode == nir_var_shader_in) {
+ /* Most geometry shader inputs are per-vertex arrays */
+ if (var->data.location >= VARYING_SLOT_VAR0)
+ assert(glsl_type_is_array(var_type));
+
+ if (glsl_type_is_array(var_type))
+ var_type = glsl_get_array_element(var_type);
+ }
+
+ bool is_vertex_input = (var->data.mode == nir_var_shader_in &&
+ stage == MESA_SHADER_VERTEX);
+ unsigned slots = glsl_count_attribute_slots(var_type, is_vertex_input);
+ return ((1ull << slots) - 1) << var->data.location;
+}
+
typedef struct {
struct exec_node node;
bool is_ssa;
} nir_src;
-#define NIR_SRC_INIT (nir_src) { { NULL } }
+#ifdef __cplusplus
+# define NIR_SRC_INIT nir_src()
+#else
+# define NIR_SRC_INIT (nir_src) { { NULL } }
+#endif
#define nir_foreach_use(reg_or_ssa_def, src) \
list_for_each_entry(nir_src, src, &(reg_or_ssa_def)->uses, use_link)
bool is_ssa;
} nir_dest;
-#define NIR_DEST_INIT (nir_dest) { { { NULL } } }
+#ifdef __cplusplus
+# define NIR_DEST_INIT nir_dest()
+#else
+# define NIR_DEST_INIT (nir_dest) { { { NULL } } }
+#endif
#define nir_foreach_def(reg, dest) \
list_for_each_entry(nir_dest, dest, &(reg)->defs, reg.def_link)
nir_tex_src_ms_index, /* MSAA sample index */
nir_tex_src_ddx,
nir_tex_src_ddy,
+ nir_tex_src_texture_offset, /* < dynamically uniform indirect offset */
nir_tex_src_sampler_offset, /* < dynamically uniform indirect offset */
nir_num_tex_src_types
} nir_tex_src_type;
/* gather component selector */
unsigned component : 2;
+ /** The texture index
+ *
+ * If this texture instruction has a nir_tex_src_texture_offset source,
+ * then the texture index is given by texture_index + texture_offset.
+ */
+ unsigned texture_index;
+
+ /** The size of the texture array or 0 if it's not an array */
+ unsigned texture_array_size;
+
+ /** The texture deref
+ *
+ * If both this and `sampler` are both NULL, use texture_index instead.
+ * If `texture` is NULL, but `sampler` is non-NULL, then the texture is
+ * implied from the sampler.
+ */
+ nir_deref_var *texture;
+
/** The sampler index
*
* If this texture instruction has a nir_tex_src_sampler_offset source,
*/
unsigned sampler_index;
- /** The size of the sampler array or 0 if it's not an array */
- unsigned sampler_array_size;
-
- nir_deref_var *sampler; /* if this is NULL, use sampler_index instead */
+ /** The sampler deref
+ *
+ * If this is null, use sampler_index instead.
+ */
+ nir_deref_var *sampler;
} nir_tex_instr;
static inline unsigned
typedef struct nir_shader_compiler_options {
bool lower_ffma;
+ bool lower_fdiv;
bool lower_flrp;
bool lower_fpow;
bool lower_fsat;
nir_function *nir_function_create(nir_shader *shader, const char *name);
nir_function_impl *nir_function_impl_create(nir_function *func);
+/** creates a function_impl that isn't tied to any particular function */
+nir_function_impl *nir_function_impl_create_bare(nir_shader *shader);
nir_block *nir_block_create(nir_shader *shader);
nir_if *nir_if_create(nir_shader *shader);
};
} nir_cursor;
+static inline nir_block *
+nir_cursor_current_block(nir_cursor cursor)
+{
+ if (cursor.option == nir_cursor_before_instr ||
+ cursor.option == nir_cursor_after_instr) {
+ return cursor.instr->block;
+ } else {
+ return cursor.block;
+ }
+}
+
+bool nir_cursors_equal(nir_cursor a, nir_cursor b);
+
static inline nir_cursor
nir_before_block(nir_block *block)
{
return nir_before_block(nir_cf_node_as_block(nir_cf_node_next(node)));
}
+static inline nir_cursor
+nir_after_cf_node_and_phis(nir_cf_node *node)
+{
+ if (node->type == nir_cf_node_block)
+ return nir_after_block(nir_cf_node_as_block(node));
+
+ nir_block *block = nir_cf_node_as_block(nir_cf_node_next(node));
+ assert(block->cf_node.type == nir_cf_node_block);
+
+ nir_foreach_instr(block, instr) {
+ if (instr->type != nir_instr_type_phi)
+ return nir_before_instr(instr);
+ }
+ return nir_after_block(block);
+}
+
static inline nir_cursor
nir_before_cf_list(struct exec_list *cf_list)
{
void nir_print_shader(nir_shader *shader, FILE *fp);
void nir_print_instr(const nir_instr *instr, FILE *fp);
-nir_shader * nir_shader_clone(void *mem_ctx, const nir_shader *s);
+nir_shader *nir_shader_clone(void *mem_ctx, const nir_shader *s);
+nir_function_impl *nir_function_impl_clone(const nir_function_impl *impl);
#ifdef DEBUG
void nir_validate_shader(nir_shader *shader);
bool nir_split_var_copies(nir_shader *shader);
+bool nir_lower_returns_impl(nir_function_impl *impl);
+bool nir_lower_returns(nir_shader *shader);
+
+bool nir_inline_functions_impl(nir_function_impl *impl);
+bool nir_inline_functions(nir_shader *shader);
+
void nir_lower_var_copy_instr(nir_intrinsic_instr *copy, void *mem_ctx);
void nir_lower_var_copies(nir_shader *shader);
void nir_lower_outputs_to_temporaries(nir_shader *shader);
+void nir_lower_outputs_to_temporaries(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,
int (*type_size)(const struct glsl_type *));
projects / mesa.git / blobdiff