From 9015cbb3a3afd58543e3a144b7ae57e9ed44d811 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Marek=20Ol=C5=A1=C3=A1k?= Date: Sun, 16 Oct 2016 21:30:05 +0200 Subject: [PATCH] glsl_to_tgsi: reduce the size of st_dst_reg and st_src_reg MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit I noticed that glsl_to_tgsi_instruction is too huge. sizeof(glsl_to_tgsi_instruction): 752 -> 464 (-38%) Reviewed-by: Ilia Mirkin Reviewed-by: Nicolai Hähnle --- src/mesa/state_tracker/st_glsl_to_tgsi.cpp | 71 +++++++++++++++++------------- 1 file changed, 40 insertions(+), 31 deletions(-) diff --git a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp index 0b49cf5..cb5eab5 100644 --- a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp +++ b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp @@ -159,23 +159,24 @@ public: explicit st_src_reg(st_dst_reg reg); - gl_register_file file; /**< PROGRAM_* from Mesa */ - int index; /**< temporary index, VERT_ATTRIB_*, VARYING_SLOT_*, etc. */ - int index2D; - GLuint swizzle; /**< SWIZZLE_XYZWONEZERO swizzles from Mesa. */ - int negate; /**< NEGATE_XYZW mask from mesa */ - enum glsl_base_type type; /** GLSL_TYPE_* from GLSL IR (enum glsl_base_type) */ - /** Register index should be offset by the integer in this reg. */ - st_src_reg *reladdr; - st_src_reg *reladdr2; - bool has_index2; + int16_t index; /**< temporary index, VERT_ATTRIB_*, VARYING_SLOT_*, etc. */ + int16_t index2D; + uint16_t swizzle; /**< SWIZZLE_XYZWONEZERO swizzles from Mesa. */ + int negate:4; /**< NEGATE_XYZW mask from mesa */ + enum glsl_base_type type:4; /** GLSL_TYPE_* from GLSL IR (enum glsl_base_type) */ + unsigned has_index2:1; + gl_register_file file:5; /**< PROGRAM_* from Mesa */ /* * Is this the second half of a double register pair? * currently used for input mapping only. */ - bool double_reg2; - unsigned array_id; - bool is_double_vertex_input; + unsigned double_reg2:1; + unsigned is_double_vertex_input:1; + unsigned array_id:10; + + /** Register index should be offset by the integer in this reg. */ + st_src_reg *reladdr; + st_src_reg *reladdr2; }; class st_dst_reg { @@ -223,16 +224,17 @@ public: explicit st_dst_reg(st_src_reg reg); - gl_register_file file; /**< PROGRAM_* from Mesa */ - int index; /**< temporary index, VERT_ATTRIB_*, VARYING_SLOT_*, etc. */ - int index2D; - int writemask; /**< Bitfield of WRITEMASK_[XYZW] */ - enum glsl_base_type type; /** GLSL_TYPE_* from GLSL IR (enum glsl_base_type) */ + int16_t index; /**< temporary index, VERT_ATTRIB_*, VARYING_SLOT_*, etc. */ + int16_t index2D; + gl_register_file file:5; /**< PROGRAM_* from Mesa */ + unsigned writemask:4; /**< Bitfield of WRITEMASK_[XYZW] */ + enum glsl_base_type type:4; /** GLSL_TYPE_* from GLSL IR (enum glsl_base_type) */ + unsigned has_index2:1; + unsigned array_id:10; + /** Register index should be offset by the integer in this reg. */ st_src_reg *reladdr; st_src_reg *reladdr2; - bool has_index2; - unsigned array_id; }; st_src_reg::st_src_reg(st_dst_reg reg) @@ -452,7 +454,7 @@ public: variable_storage *find_variable_storage(ir_variable *var); int add_constant(gl_register_file file, gl_constant_value values[8], - int size, int datatype, GLuint *swizzle_out); + int size, int datatype, uint16_t *swizzle_out); function_entry *get_function_signature(ir_function_signature *sig); @@ -556,12 +558,12 @@ public: void get_deref_offsets(ir_dereference *ir, unsigned *array_size, unsigned *base, - unsigned *index, + uint16_t *index, st_src_reg *reladdr, bool opaque); void calc_deref_offsets(ir_dereference *tail, unsigned *array_elements, - unsigned *index, + uint16_t *index, st_src_reg *indirect, unsigned *location); st_src_reg canonicalize_gather_offset(st_src_reg offset); @@ -1109,11 +1111,15 @@ glsl_to_tgsi_visitor::emit_arl(ir_instruction *ir, int glsl_to_tgsi_visitor::add_constant(gl_register_file file, gl_constant_value values[8], int size, int datatype, - GLuint *swizzle_out) + uint16_t *swizzle_out) { if (file == PROGRAM_CONSTANT) { - return _mesa_add_typed_unnamed_constant(this->prog->Parameters, values, - size, datatype, swizzle_out); + GLuint swizzle = swizzle_out ? *swizzle_out : 0; + int result = _mesa_add_typed_unnamed_constant(this->prog->Parameters, values, + size, datatype, &swizzle); + if (swizzle_out) + *swizzle_out = swizzle; + return result; } assert(file == PROGRAM_IMMEDIATE); @@ -3260,7 +3266,8 @@ glsl_to_tgsi_visitor::visit_atomic_counter_intrinsic(ir_call *ir) /* Calculate the surface offset */ st_src_reg offset; - unsigned array_size = 0, base = 0, index = 0; + unsigned array_size = 0, base = 0; + uint16_t index = 0; get_deref_offsets(deref, &array_size, &base, &index, &offset, false); @@ -3593,7 +3600,8 @@ glsl_to_tgsi_visitor::visit_image_intrinsic(ir_call *ir) st_src_reg image(PROGRAM_IMAGE, 0, GLSL_TYPE_UINT); get_deref_offsets(img, &sampler_array_size, &sampler_base, - (unsigned int *)&image.index, &reladdr, true); + (uint16_t*)&image.index, &reladdr, true); + if (reladdr.file != PROGRAM_UNDEFINED) { image.reladdr = ralloc(mem_ctx, st_src_reg); *image.reladdr = reladdr; @@ -3913,7 +3921,7 @@ glsl_to_tgsi_visitor::visit(ir_call *ir) void glsl_to_tgsi_visitor::calc_deref_offsets(ir_dereference *tail, unsigned *array_elements, - unsigned *index, + uint16_t *index, st_src_reg *indirect, unsigned *location) { @@ -3972,7 +3980,7 @@ void glsl_to_tgsi_visitor::get_deref_offsets(ir_dereference *ir, unsigned *array_size, unsigned *base, - unsigned *index, + uint16_t *index, st_src_reg *reladdr, bool opaque) { @@ -4030,7 +4038,8 @@ glsl_to_tgsi_visitor::visit(ir_texture *ir) glsl_to_tgsi_instruction *inst = NULL; unsigned opcode = TGSI_OPCODE_NOP; const glsl_type *sampler_type = ir->sampler->type; - unsigned sampler_array_size = 1, sampler_index = 0, sampler_base = 0; + unsigned sampler_array_size = 1, sampler_base = 0; + uint16_t sampler_index = 0; bool is_cube_array = false; unsigned i; -- 2.7.4