diff options
Diffstat (limited to 'src/mesa/state_tracker/st_glsl_to_tgsi.cpp')
-rw-r--r-- | src/mesa/state_tracker/st_glsl_to_tgsi.cpp | 289 |
1 files changed, 2 insertions, 287 deletions
diff --git a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp index 5348c6f9f3e..7ccb6e25d68 100644 --- a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp +++ b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp @@ -55,6 +55,7 @@ #include "st_format.h" #include "st_nir.h" #include "st_shader_cache.h" +#include "st_glsl_to_tgsi_private.h" #include "util/hash_table.h" #include <algorithm> @@ -65,28 +66,6 @@ #define MAX_GLSL_TEXTURE_OFFSET 4 -class st_src_reg; -class st_dst_reg; - -static int swizzle_for_size(int size); - -static int swizzle_for_type(const glsl_type *type, int component = 0) -{ - unsigned num_elements = 4; - - if (type) { - type = type->without_array(); - if (type->is_scalar() || type->is_vector() || type->is_matrix()) - num_elements = type->vector_elements; - } - - int swizzle = swizzle_for_size(num_elements); - assert(num_elements + component <= 4); - - swizzle += component * MAKE_SWIZZLE4(1, 1, 1, 1); - return swizzle; -} - static unsigned is_precise(const ir_variable *ir) { if (!ir) @@ -94,231 +73,6 @@ static unsigned is_precise(const ir_variable *ir) return ir->data.precise || ir->data.invariant; } -/** - * This struct is a corresponding struct to TGSI ureg_src. - */ -class st_src_reg { -public: - st_src_reg(gl_register_file file, int index, const glsl_type *type, - int component = 0, unsigned array_id = 0) - { - assert(file != PROGRAM_ARRAY || array_id != 0); - this->file = file; - this->index = index; - this->swizzle = swizzle_for_type(type, component); - this->negate = 0; - this->abs = 0; - this->index2D = 0; - this->type = type ? type->base_type : GLSL_TYPE_ERROR; - this->reladdr = NULL; - this->reladdr2 = NULL; - this->has_index2 = false; - this->double_reg2 = false; - this->array_id = array_id; - this->is_double_vertex_input = false; - } - - st_src_reg(gl_register_file file, int index, enum glsl_base_type type) - { - assert(file != PROGRAM_ARRAY); /* need array_id > 0 */ - this->type = type; - this->file = file; - this->index = index; - this->index2D = 0; - this->swizzle = SWIZZLE_XYZW; - this->negate = 0; - this->abs = 0; - this->reladdr = NULL; - this->reladdr2 = NULL; - this->has_index2 = false; - this->double_reg2 = false; - this->array_id = 0; - this->is_double_vertex_input = false; - } - - st_src_reg(gl_register_file file, int index, enum glsl_base_type type, int index2D) - { - assert(file != PROGRAM_ARRAY); /* need array_id > 0 */ - this->type = type; - this->file = file; - this->index = index; - this->index2D = index2D; - this->swizzle = SWIZZLE_XYZW; - this->negate = 0; - this->abs = 0; - this->reladdr = NULL; - this->reladdr2 = NULL; - this->has_index2 = false; - this->double_reg2 = false; - this->array_id = 0; - this->is_double_vertex_input = false; - } - - st_src_reg() - { - this->type = GLSL_TYPE_ERROR; - this->file = PROGRAM_UNDEFINED; - this->index = 0; - this->index2D = 0; - this->swizzle = 0; - this->negate = 0; - this->abs = 0; - this->reladdr = NULL; - this->reladdr2 = NULL; - this->has_index2 = false; - this->double_reg2 = false; - this->array_id = 0; - this->is_double_vertex_input = false; - } - - explicit st_src_reg(st_dst_reg reg); - - int32_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 */ - unsigned abs:1; - enum glsl_base_type type:5; /** 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. - */ - 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; - - st_src_reg get_abs() - { - st_src_reg reg = *this; - reg.negate = 0; - reg.abs = 1; - return reg; - } -}; - -class st_dst_reg { -public: - st_dst_reg(gl_register_file file, int writemask, enum glsl_base_type type, int index) - { - assert(file != PROGRAM_ARRAY); /* need array_id > 0 */ - this->file = file; - this->index = index; - this->index2D = 0; - this->writemask = writemask; - this->reladdr = NULL; - this->reladdr2 = NULL; - this->has_index2 = false; - this->type = type; - this->array_id = 0; - } - - st_dst_reg(gl_register_file file, int writemask, enum glsl_base_type type) - { - assert(file != PROGRAM_ARRAY); /* need array_id > 0 */ - this->file = file; - this->index = 0; - this->index2D = 0; - this->writemask = writemask; - this->reladdr = NULL; - this->reladdr2 = NULL; - this->has_index2 = false; - this->type = type; - this->array_id = 0; - } - - st_dst_reg() - { - this->type = GLSL_TYPE_ERROR; - this->file = PROGRAM_UNDEFINED; - this->index = 0; - this->index2D = 0; - this->writemask = 0; - this->reladdr = NULL; - this->reladdr2 = NULL; - this->has_index2 = false; - this->array_id = 0; - } - - explicit st_dst_reg(st_src_reg reg); - - int32_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:5; /** 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; -}; - -st_src_reg::st_src_reg(st_dst_reg reg) -{ - this->type = reg.type; - this->file = reg.file; - this->index = reg.index; - this->swizzle = SWIZZLE_XYZW; - this->negate = 0; - this->abs = 0; - this->reladdr = reg.reladdr; - this->index2D = reg.index2D; - this->reladdr2 = reg.reladdr2; - this->has_index2 = reg.has_index2; - this->double_reg2 = false; - this->array_id = reg.array_id; - this->is_double_vertex_input = false; -} - -st_dst_reg::st_dst_reg(st_src_reg reg) -{ - this->type = reg.type; - this->file = reg.file; - this->index = reg.index; - this->writemask = WRITEMASK_XYZW; - this->reladdr = reg.reladdr; - this->index2D = reg.index2D; - this->reladdr2 = reg.reladdr2; - this->has_index2 = reg.has_index2; - this->array_id = reg.array_id; -} - -class glsl_to_tgsi_instruction : public exec_node { -public: - DECLARE_RALLOC_CXX_OPERATORS(glsl_to_tgsi_instruction) - - st_dst_reg dst[2]; - st_src_reg src[4]; - st_src_reg resource; /**< sampler, image or buffer register */ - st_src_reg *tex_offsets; - - /** Pointer to the ir source this tree came from for debugging */ - ir_instruction *ir; - - unsigned op:8; /**< TGSI opcode */ - unsigned precise:1; - unsigned saturate:1; - unsigned is_64bit_expanded:1; - unsigned sampler_base:5; - unsigned sampler_array_size:6; /**< 1-based size of sampler array, 1 if not array */ - unsigned tex_target:4; /**< One of TEXTURE_*_INDEX */ - glsl_base_type tex_type:5; - unsigned tex_shadow:1; - unsigned image_format:9; - unsigned tex_offset_num_offset:3; - unsigned dead_mask:4; /**< Used in dead code elimination */ - unsigned buffer_access:3; /**< buffer access type */ - - const struct tgsi_opcode_info *info; -}; - class variable_storage { DECLARE_RZALLOC_CXX_OPERATORS(variable_storage) @@ -398,11 +152,6 @@ find_array_type(struct inout_decl *decls, unsigned count, unsigned array_id) return GLSL_TYPE_ERROR; } -struct rename_reg_pair { - bool valid; - int new_reg; -}; - struct glsl_to_tgsi_visitor : public ir_visitor { public: glsl_to_tgsi_visitor(); @@ -606,7 +355,7 @@ fail_link(struct gl_shader_program *prog, const char *fmt, ...) prog->data->LinkStatus = linking_failure; } -static int +int swizzle_for_size(int size) { static const int size_swizzles[4] = { @@ -620,40 +369,6 @@ swizzle_for_size(int size) return size_swizzles[size - 1]; } -static bool -is_resource_instruction(unsigned opcode) -{ - switch (opcode) { - case TGSI_OPCODE_RESQ: - case TGSI_OPCODE_LOAD: - case TGSI_OPCODE_ATOMUADD: - case TGSI_OPCODE_ATOMXCHG: - case TGSI_OPCODE_ATOMCAS: - case TGSI_OPCODE_ATOMAND: - case TGSI_OPCODE_ATOMOR: - case TGSI_OPCODE_ATOMXOR: - case TGSI_OPCODE_ATOMUMIN: - case TGSI_OPCODE_ATOMUMAX: - case TGSI_OPCODE_ATOMIMIN: - case TGSI_OPCODE_ATOMIMAX: - return true; - default: - return false; - } -} - -static unsigned -num_inst_dst_regs(const glsl_to_tgsi_instruction *op) -{ - return op->info->num_dst; -} - -static unsigned -num_inst_src_regs(const glsl_to_tgsi_instruction *op) -{ - return op->info->is_tex || is_resource_instruction(op->op) ? - op->info->num_src - 1 : op->info->num_src; -} glsl_to_tgsi_instruction * glsl_to_tgsi_visitor::emit_asm(ir_instruction *ir, unsigned op, |