#define NIR_FALSE 0u
#define NIR_TRUE (~0u)
+#define NIR_MAX_VEC_COMPONENTS 4
+typedef uint8_t nir_component_mask_t;
/** Defines a cast function
*
} nir_rounding_mode;
typedef union {
- float f32[4];
- double f64[4];
- int8_t i8[4];
- uint8_t u8[4];
- int16_t i16[4];
- uint16_t u16[4];
- int32_t i32[4];
- uint32_t u32[4];
- int64_t i64[4];
- uint64_t u64[4];
+ float f32[NIR_MAX_VEC_COMPONENTS];
+ double f64[NIR_MAX_VEC_COMPONENTS];
+ int8_t i8[NIR_MAX_VEC_COMPONENTS];
+ uint8_t u8[NIR_MAX_VEC_COMPONENTS];
+ int16_t i16[NIR_MAX_VEC_COMPONENTS];
+ uint16_t u16[NIR_MAX_VEC_COMPONENTS];
+ int32_t i32[NIR_MAX_VEC_COMPONENTS];
+ uint32_t u32[NIR_MAX_VEC_COMPONENTS];
+ int64_t i64[NIR_MAX_VEC_COMPONENTS];
+ uint64_t u64[NIR_MAX_VEC_COMPONENTS];
} nir_const_value;
typedef struct nir_constant {
* by the type associated with the \c nir_variable. Constants may be
* scalars, vectors, or matrices.
*/
- nir_const_value values[4];
+ nir_const_value values[NIR_MAX_VEC_COMPONENTS];
/* we could get this from the var->type but makes clone *much* easier to
* not have to care about the type.
nir_depth_layout_unchanged
} nir_depth_layout;
+/**
+ * Enum keeping track of how a variable was declared.
+ */
+typedef enum {
+ /**
+ * Normal declaration.
+ */
+ nir_var_declared_normally = 0,
+
+ /**
+ * Variable is implicitly generated by the compiler and should not be
+ * visible via the API.
+ */
+ nir_var_hidden,
+} nir_var_declaration_type;
+
/**
* Either a uniform, global variable, shader input, or shader output. Based on
* ir_variable - it should be easy to translate between the two.
*/
unsigned explicit_binding:1;
+ /**
+ * Was a transfer feedback buffer set in the shader?
+ */
+ unsigned explicit_xfb_buffer:1;
+
+ /**
+ * Was a transfer feedback stride set in the shader?
+ */
+ unsigned explicit_xfb_stride:1;
+
+ /**
+ * Was an explicit offset set in the shader?
+ */
+ unsigned explicit_offset:1;
+
/**
* \brief Layout qualifier for gl_FragDepth.
*
int binding;
/**
- * Location an atomic counter is stored at.
+ * Location an atomic counter or transform feedback is stored at.
*/
unsigned offset;
+ /**
+ * Transform feedback buffer.
+ */
+ unsigned xfb_buffer;
+
+ /**
+ * Transform feedback stride.
+ */
+ unsigned xfb_stride;
+
+ /**
+ * How the variable was declared. See nir_var_declaration_type.
+ *
+ * This is used to detect variables generated by the compiler, so should
+ * not be visible via the API.
+ */
+ unsigned how_declared:2;
+
/**
* ARB_shader_image_load_store qualifiers.
*/
struct {
- bool read_only; /**< "readonly" qualifier. */
- bool write_only; /**< "writeonly" qualifier. */
- bool coherent;
- bool _volatile;
- bool restrict_flag;
+ enum gl_access_qualifier access;
/** Image internal format if specified explicitly, otherwise GL_NONE. */
GLenum format;
* a statement like "foo.xzw = bar.zyx" would have a writemask of 1101b and
* a swizzle of {2, x, 1, 0} where x means "don't care."
*/
- uint8_t swizzle[4];
+ uint8_t swizzle[NIR_MAX_VEC_COMPONENTS];
} nir_alu_src;
typedef struct {
bool saturate;
- unsigned write_mask : 4; /* ignored if dest.is_ssa is true */
+ unsigned write_mask : NIR_MAX_VEC_COMPONENTS; /* ignored if dest.is_ssa is true */
} nir_alu_dest;
typedef enum {
/**
* The number of components in each input
*/
- unsigned input_sizes[4];
+ unsigned input_sizes[NIR_MAX_VEC_COMPONENTS];
/**
* The type of vector that each input takes. Note that negate and
* absolute value are only allowed on inputs with int or float type and
* behave differently on the two.
*/
- nir_alu_type input_types[4];
+ nir_alu_type input_types[NIR_MAX_VEC_COMPONENTS];
nir_op_algebraic_property algebraic_properties;
} nir_op_info;
#include "nir_intrinsics.h"
-#define NIR_INTRINSIC_MAX_CONST_INDEX 3
+#define NIR_INTRINSIC_MAX_CONST_INDEX 4
/** Represents an intrinsic
*
*/
NIR_INTRINSIC_PARAM_IDX = 12,
+ /**
+ * Image dimensionality for image intrinsics
+ *
+ * One of GLSL_SAMPLER_DIM_*
+ */
+ NIR_INTRINSIC_IMAGE_DIM = 13,
+
+ /**
+ * Non-zero if we are accessing an array image
+ */
+ NIR_INTRINSIC_IMAGE_ARRAY = 14,
+
+ /**
+ * Image format for image intrinsics
+ */
+ NIR_INTRINSIC_FORMAT = 15,
+
+ /**
+ * Access qualifiers for image intrinsics
+ */
+ NIR_INTRINSIC_ACCESS = 16,
+
NIR_INTRINSIC_NUM_INDEX_FLAGS,
} nir_intrinsic_index_flag;
{ \
const nir_intrinsic_info *info = &nir_intrinsic_infos[instr->intrinsic]; \
assert(info->index_map[NIR_INTRINSIC_##flag] > 0); \
- return instr->const_index[info->index_map[NIR_INTRINSIC_##flag] - 1]; \
+ return (type)instr->const_index[info->index_map[NIR_INTRINSIC_##flag] - 1]; \
} \
static inline void \
nir_intrinsic_set_##name(nir_intrinsic_instr *instr, type val) \
INTRINSIC_IDX_ACCESSORS(reduction_op, REDUCTION_OP, unsigned)
INTRINSIC_IDX_ACCESSORS(cluster_size, CLUSTER_SIZE, unsigned)
INTRINSIC_IDX_ACCESSORS(param_idx, PARAM_IDX, unsigned)
+INTRINSIC_IDX_ACCESSORS(image_dim, IMAGE_DIM, enum glsl_sampler_dim)
+INTRINSIC_IDX_ACCESSORS(image_array, IMAGE_ARRAY, bool)
+INTRINSIC_IDX_ACCESSORS(access, ACCESS, enum gl_access_qualifier)
+INTRINSIC_IDX_ACCESSORS(format, FORMAT, unsigned)
/**
* \group texture information
return exec_node_data(nir_instr, tail, node);
}
+static inline bool
+nir_block_ends_in_jump(nir_block *block)
+{
+ return !exec_list_is_empty(&block->instr_list) &&
+ nir_block_last_instr(block)->type == nir_instr_type_jump;
+}
+
#define nir_foreach_instr(instr, block) \
foreach_list_typed(nir_instr, instr, node, &(block)->instr_list)
#define nir_foreach_instr_reverse(instr, block) \
/* Unroll the loop regardless of its size */
bool force_unroll;
+ /* Does the loop contain complex loop terminators, continues or other
+ * complex behaviours? If this is true we can't rely on
+ * loop_terminator_list to be complete or accurate.
+ */
+ bool complex_loop;
+
nir_loop_terminator *limiting_terminator;
/* A list of loop_terminators terminating this loop. */
*/
bool lower_base_vertex;
+ /**
+ * If enabled, gl_HelperInvocation will be lowered as:
+ *
+ * !((1 << sample_id) & sample_mask_in))
+ *
+ * This depends on some possibly hw implementation details, which may
+ * not be true for all hw. In particular that the FS is only executed
+ * for covered samples or for helper invocations. So, do not blindly
+ * enable this option.
+ *
+ * Note: See also issue #22 in ARB_shader_image_load_store
+ */
+ bool lower_helper_invocation;
+
bool lower_cs_local_index_from_id;
bool lower_device_index_to_zero;
+ /* Set if nir_lower_wpos_ytransform() should also invert gl_PointCoord. */
+ bool lower_wpos_pntc;
+
/**
* 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;
}
}
+static inline nir_cursor
+nir_before_src(nir_src *src, bool is_if_condition)
+{
+ if (is_if_condition) {
+ nir_block *prev_block =
+ nir_cf_node_as_block(nir_cf_node_prev(&src->parent_if->cf_node));
+ assert(!nir_block_ends_in_jump(prev_block));
+ return nir_after_block(prev_block);
+ } else if (src->parent_instr->type == nir_instr_type_phi) {
+#ifndef NDEBUG
+ nir_phi_instr *cond_phi = nir_instr_as_phi(src->parent_instr);
+ bool found = false;
+ nir_foreach_phi_src(phi_src, cond_phi) {
+ if (phi_src->src.ssa == src->ssa) {
+ found = true;
+ break;
+ }
+ }
+ assert(found);
+#endif
+ /* The LIST_ENTRY macro is a generic container-of macro, it just happens
+ * to have a more specific name.
+ */
+ nir_phi_src *phi_src = LIST_ENTRY(nir_phi_src, src, src);
+ return nir_after_block_before_jump(phi_src->pred);
+ } else {
+ return nir_before_instr(src->parent_instr);
+ }
+}
+
static inline nir_cursor
nir_before_cf_node(nir_cf_node *node)
{
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(const nir_ssa_def *def);
+nir_component_mask_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
int nir_gs_count_vertices(const nir_shader *shader);
+bool nir_shrink_vec_array_vars(nir_shader *shader, nir_variable_mode modes);
+bool nir_split_array_vars(nir_shader *shader, nir_variable_mode modes);
bool nir_split_var_copies(nir_shader *shader);
bool nir_split_per_member_structs(nir_shader *shader);
+bool nir_split_struct_vars(nir_shader *shader, nir_variable_mode modes);
bool nir_lower_returns_impl(nir_function_impl *impl);
bool nir_lower_returns(nir_shader *shader);
bool nir_lower_clamp_color_outputs(nir_shader *shader);
void nir_lower_passthrough_edgeflags(nir_shader *shader);
-void nir_lower_tes_patch_vertices(nir_shader *tes, unsigned patch_vertices);
+bool nir_lower_patch_vertices(nir_shader *nir, unsigned static_count,
+ const gl_state_index16 *uniform_state_tokens);
typedef struct nir_lower_wpos_ytransform_options {
gl_state_index16 state_tokens[STATE_LENGTH];
bool nir_opt_dead_cf(nir_shader *shader);
+bool nir_opt_find_array_copies(nir_shader *shader);
+
bool nir_opt_gcm(nir_shader *shader, bool value_number);
bool nir_opt_if(nir_shader *shader);
void nir_sweep(nir_shader *shader);
+void nir_remap_dual_slot_attributes(nir_shader *shader,
+ uint64_t *dual_slot_inputs);
+uint64_t nir_get_single_slot_attribs_mask(uint64_t attribs, uint64_t dual_slot);
+
nir_intrinsic_op nir_intrinsic_from_system_value(gl_system_value val);
gl_system_value nir_system_value_from_intrinsic(nir_intrinsic_op intrin);
projects / mesa.git / blobdiff