0,0 → 1,140 |
/* |
* Copyright © 2010 Intel Corporation |
* |
* Permission is hereby granted, free of charge, to any person obtaining a |
* copy of this software and associated documentation files (the "Software"), |
* to deal in the Software without restriction, including without limitation |
* the rights to use, copy, modify, merge, publish, distribute, sublicense, |
* and/or sell copies of the Software, and to permit persons to whom the |
* Software is furnished to do so, subject to the following conditions: |
* |
* The above copyright notice and this permission notice (including the next |
* paragraph) shall be included in all copies or substantial portions of the |
* Software. |
* |
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
* DEALINGS IN THE SOFTWARE. |
*/ |
|
|
/** |
* \file ir_optimization.h |
* |
* Prototypes for optimization passes to be called by the compiler and drivers. |
*/ |
|
/* Operations for lower_instructions() */ |
#define SUB_TO_ADD_NEG 0x01 |
#define DIV_TO_MUL_RCP 0x02 |
#define EXP_TO_EXP2 0x04 |
#define POW_TO_EXP2 0x08 |
#define LOG_TO_LOG2 0x10 |
#define MOD_TO_FLOOR 0x20 |
#define INT_DIV_TO_MUL_RCP 0x40 |
#define BITFIELD_INSERT_TO_BFM_BFI 0x80 |
#define LDEXP_TO_ARITH 0x100 |
#define CARRY_TO_ARITH 0x200 |
#define BORROW_TO_ARITH 0x400 |
#define SAT_TO_CLAMP 0x800 |
#define DOPS_TO_DFRAC 0x1000 |
#define DFREXP_DLDEXP_TO_ARITH 0x2000 |
|
/** |
* \see class lower_packing_builtins_visitor |
*/ |
enum lower_packing_builtins_op { |
LOWER_PACK_UNPACK_NONE = 0x0000, |
|
LOWER_PACK_SNORM_2x16 = 0x0001, |
LOWER_UNPACK_SNORM_2x16 = 0x0002, |
|
LOWER_PACK_UNORM_2x16 = 0x0004, |
LOWER_UNPACK_UNORM_2x16 = 0x0008, |
|
LOWER_PACK_HALF_2x16 = 0x0010, |
LOWER_UNPACK_HALF_2x16 = 0x0020, |
|
LOWER_PACK_HALF_2x16_TO_SPLIT = 0x0040, |
LOWER_UNPACK_HALF_2x16_TO_SPLIT = 0x0080, |
|
LOWER_PACK_SNORM_4x8 = 0x0100, |
LOWER_UNPACK_SNORM_4x8 = 0x0200, |
|
LOWER_PACK_UNORM_4x8 = 0x0400, |
LOWER_UNPACK_UNORM_4x8 = 0x0800 |
}; |
|
bool do_common_optimization(exec_list *ir, bool linked, |
bool uniform_locations_assigned, |
const struct gl_shader_compiler_options *options, |
bool native_integers); |
|
bool do_rebalance_tree(exec_list *instructions); |
bool do_algebraic(exec_list *instructions, bool native_integers, |
const struct gl_shader_compiler_options *options); |
bool opt_conditional_discard(exec_list *instructions); |
bool do_constant_folding(exec_list *instructions); |
bool do_constant_variable(exec_list *instructions); |
bool do_constant_variable_unlinked(exec_list *instructions); |
bool do_copy_propagation(exec_list *instructions); |
bool do_copy_propagation_elements(exec_list *instructions); |
bool do_constant_propagation(exec_list *instructions); |
bool do_cse(exec_list *instructions); |
void do_dead_builtin_varyings(struct gl_context *ctx, |
gl_shader *producer, gl_shader *consumer, |
unsigned num_tfeedback_decls, |
class tfeedback_decl *tfeedback_decls); |
bool do_dead_code(exec_list *instructions, bool uniform_locations_assigned); |
bool do_dead_code_local(exec_list *instructions); |
bool do_dead_code_unlinked(exec_list *instructions); |
bool do_dead_functions(exec_list *instructions); |
bool opt_flip_matrices(exec_list *instructions); |
bool do_function_inlining(exec_list *instructions); |
bool do_lower_jumps(exec_list *instructions, bool pull_out_jumps = true, bool lower_sub_return = true, bool lower_main_return = false, bool lower_continue = false, bool lower_break = false); |
bool do_lower_texture_projection(exec_list *instructions); |
bool do_if_simplification(exec_list *instructions); |
bool opt_flatten_nested_if_blocks(exec_list *instructions); |
bool do_discard_simplification(exec_list *instructions); |
bool lower_if_to_cond_assign(exec_list *instructions, unsigned max_depth = 0); |
bool do_mat_op_to_vec(exec_list *instructions); |
bool do_minmax_prune(exec_list *instructions); |
bool do_noop_swizzle(exec_list *instructions); |
bool do_structure_splitting(exec_list *instructions); |
bool do_swizzle_swizzle(exec_list *instructions); |
bool do_vectorize(exec_list *instructions); |
bool do_tree_grafting(exec_list *instructions); |
bool do_vec_index_to_cond_assign(exec_list *instructions); |
bool do_vec_index_to_swizzle(exec_list *instructions); |
bool lower_discard(exec_list *instructions); |
void lower_discard_flow(exec_list *instructions); |
bool lower_instructions(exec_list *instructions, unsigned what_to_lower); |
bool lower_noise(exec_list *instructions); |
bool lower_variable_index_to_cond_assign(exec_list *instructions, |
bool lower_input, bool lower_output, bool lower_temp, bool lower_uniform); |
bool lower_quadop_vector(exec_list *instructions, bool dont_lower_swz); |
bool lower_const_arrays_to_uniforms(exec_list *instructions); |
bool lower_clip_distance(gl_shader *shader); |
void lower_output_reads(exec_list *instructions); |
bool lower_packing_builtins(exec_list *instructions, int op_mask); |
void lower_ubo_reference(struct gl_shader *shader, exec_list *instructions); |
void lower_packed_varyings(void *mem_ctx, |
unsigned locations_used, ir_variable_mode mode, |
unsigned gs_input_vertices, gl_shader *shader); |
bool lower_vector_insert(exec_list *instructions, bool lower_nonconstant_index); |
void lower_named_interface_blocks(void *mem_ctx, gl_shader *shader); |
bool optimize_redundant_jumps(exec_list *instructions); |
bool optimize_split_arrays(exec_list *instructions, bool linked); |
bool lower_offset_arrays(exec_list *instructions); |
void optimize_dead_builtin_variables(exec_list *instructions, |
enum ir_variable_mode other); |
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bool lower_vertex_id(gl_shader *shader); |
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ir_rvalue * |
compare_index_block(exec_list *instructions, ir_variable *index, |
unsigned base, unsigned components, void *mem_ctx); |