unsigned int driver_location;
/**
- * Output index for dual source blending.
- *
- * \note
- * The GLSL spec only allows the values 0 or 1 for the index in \b dual
- * source blending.
+ * output index for dual source blending.
*/
- unsigned index:1;
+ int index;
/**
* Initial binding point for a sampler or UBO.
#define nir_foreach_phi_src(phi, entry) \
foreach_list_typed(nir_phi_src, entry, node, &(phi)->srcs)
+#define nir_foreach_phi_src_safe(phi, entry) \
+ foreach_list_typed_safe(nir_phi_src, entry, node, &(phi)->srcs)
typedef struct {
nir_instr instr;
struct exec_list body; /** < list of nir_cf_node */
- nir_block *start_block, *end_block;
+ nir_block *end_block;
/** list for all local variables in the function */
struct exec_list locals;
nir_metadata valid_metadata;
} nir_function_impl;
+static inline nir_block *
+nir_start_block(nir_function_impl *impl)
+{
+ return (nir_block *) exec_list_get_head(&impl->body);
+}
+
static inline nir_cf_node *
nir_cf_node_next(nir_cf_node *node)
{
*/
unsigned num_inputs, num_uniforms, num_outputs;
- /** the number of uniforms that are only accessed directly */
- unsigned num_direct_uniforms;
+ /** The shader stage, such as MESA_SHADER_VERTEX. */
+ gl_shader_stage stage;
} nir_shader;
#define nir_foreach_overload(shader, overload) \
&(func)->overload_list)
nir_shader *nir_shader_create(void *mem_ctx,
+ gl_shader_stage stage,
const nir_shader_compiler_options *options);
/** creates a register, including assigning it an index and adding it to the list */
nir_function_impl *nir_cf_node_get_function(nir_cf_node *node);
-/** puts a control flow node immediately after another control flow node */
-void nir_cf_node_insert_after(nir_cf_node *node, nir_cf_node *after);
-
-/** puts a control flow node immediately before another control flow node */
-void nir_cf_node_insert_before(nir_cf_node *node, nir_cf_node *before);
-
-/** puts a control flow node at the beginning of a list from an if, loop, or function */
-void nir_cf_node_insert_begin(struct exec_list *list, nir_cf_node *node);
-
-/** puts a control flow node at the end of a list from an if, loop, or function */
-void nir_cf_node_insert_end(struct exec_list *list, nir_cf_node *node);
-
-/** removes a control flow node, doing any cleanup necessary */
-void nir_cf_node_remove(nir_cf_node *node);
-
/** requests that the given pieces of metadata be generated */
void nir_metadata_require(nir_function_impl *impl, nir_metadata required);
/** dirties all but the preserved metadata */
void nir_assign_var_locations(struct exec_list *var_list,
unsigned *size,
- bool is_scalar);
-void nir_assign_var_locations_direct_first(nir_shader *shader,
- struct exec_list *var_list,
- unsigned *direct_size,
- unsigned *size,
- bool is_scalar);
-
-void nir_lower_io(nir_shader *shader, bool is_scalar);
+ int (*type_size)(const struct glsl_type *));
+void nir_lower_io(nir_shader *shader,
+ int (*type_size)(const struct glsl_type *));
void nir_lower_vars_to_ssa(nir_shader *shader);
void nir_remove_dead_variables(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);
void nir_lower_phis_to_scalar(nir_shader *shader);
bool nir_opt_remove_phis(nir_shader *shader);
+bool nir_opt_undef(nir_shader *shader);
+
void nir_sweep(nir_shader *shader);
#ifdef __cplusplus