Home | History | Annotate | Download | only in r600
      1 /*
      2  * Copyright 2010 Jerome Glisse <glisse (at) freedesktop.org>
      3  *
      4  * Permission is hereby granted, free of charge, to any person obtaining a
      5  * copy of this software and associated documentation files (the "Software"),
      6  * to deal in the Software without restriction, including without limitation
      7  * on the rights to use, copy, modify, merge, publish, distribute, sub
      8  * license, and/or sell copies of the Software, and to permit persons to whom
      9  * the Software is furnished to do so, subject to the following conditions:
     10  *
     11  * The above copyright notice and this permission notice (including the next
     12  * paragraph) shall be included in all copies or substantial portions of the
     13  * Software.
     14  *
     15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     17  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
     18  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
     19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
     20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
     21  * USE OR OTHER DEALINGS IN THE SOFTWARE.
     22  */
     23 #ifndef R600_ASM_H
     24 #define R600_ASM_H
     25 
     26 #include "r600_pipe.h"
     27 #include "r600_isa.h"
     28 
     29 struct r600_bytecode_alu_src {
     30 	unsigned			sel;
     31 	unsigned			chan;
     32 	unsigned			neg;
     33 	unsigned			abs;
     34 	unsigned			rel;
     35 	unsigned			kc_bank;
     36 	unsigned			kc_rel;
     37 	uint32_t			value;
     38 };
     39 
     40 struct r600_bytecode_alu_dst {
     41 	unsigned			sel;
     42 	unsigned			chan;
     43 	unsigned			clamp;
     44 	unsigned			write;
     45 	unsigned			rel;
     46 };
     47 
     48 struct r600_bytecode_alu {
     49 	struct list_head		list;
     50 	struct r600_bytecode_alu_src		src[3];
     51 	struct r600_bytecode_alu_dst		dst;
     52 	unsigned			op;
     53 	unsigned			last;
     54 	unsigned			is_op3;
     55 	unsigned			is_lds_idx_op;
     56 	unsigned			execute_mask;
     57 	unsigned			update_pred;
     58 	unsigned			pred_sel;
     59 	unsigned			bank_swizzle;
     60 	unsigned			bank_swizzle_force;
     61 	unsigned			omod;
     62 	unsigned                        index_mode;
     63 	unsigned                        lds_idx;
     64 };
     65 
     66 struct r600_bytecode_tex {
     67 	struct list_head		list;
     68 	unsigned			op;
     69 	unsigned			inst_mod;
     70 	unsigned			resource_id;
     71 	unsigned			src_gpr;
     72 	unsigned			src_rel;
     73 	unsigned			dst_gpr;
     74 	unsigned			dst_rel;
     75 	unsigned			dst_sel_x;
     76 	unsigned			dst_sel_y;
     77 	unsigned			dst_sel_z;
     78 	unsigned			dst_sel_w;
     79 	unsigned			lod_bias;
     80 	unsigned			coord_type_x;
     81 	unsigned			coord_type_y;
     82 	unsigned			coord_type_z;
     83 	unsigned			coord_type_w;
     84 	int				offset_x;
     85 	int				offset_y;
     86 	int				offset_z;
     87 	unsigned			sampler_id;
     88 	unsigned			src_sel_x;
     89 	unsigned			src_sel_y;
     90 	unsigned			src_sel_z;
     91 	unsigned			src_sel_w;
     92 	/* indexed samplers/resources only on evergreen/cayman */
     93 	unsigned			sampler_index_mode;
     94 	unsigned			resource_index_mode;
     95 };
     96 
     97 struct r600_bytecode_vtx {
     98 	struct list_head		list;
     99 	unsigned			op;
    100 	unsigned			fetch_type;
    101 	unsigned			buffer_id;
    102 	unsigned			src_gpr;
    103 	unsigned			src_sel_x;
    104 	unsigned			mega_fetch_count;
    105 	unsigned			dst_gpr;
    106 	unsigned			dst_sel_x;
    107 	unsigned			dst_sel_y;
    108 	unsigned			dst_sel_z;
    109 	unsigned			dst_sel_w;
    110 	unsigned			use_const_fields;
    111 	unsigned			data_format;
    112 	unsigned			num_format_all;
    113 	unsigned			format_comp_all;
    114 	unsigned			srf_mode_all;
    115 	unsigned			offset;
    116 	unsigned			endian;
    117 	unsigned			buffer_index_mode;
    118 };
    119 
    120 struct r600_bytecode_gds {
    121 	struct list_head		list;
    122 	unsigned			op;
    123 	unsigned                        gds_op;
    124 	unsigned			src_gpr;
    125 	unsigned			src_rel;
    126 	unsigned			src_sel_x;
    127 	unsigned			src_sel_y;
    128 	unsigned			src_sel_z;
    129 	unsigned			src_gpr2;
    130 	unsigned			dst_gpr;
    131 	unsigned			dst_rel;
    132 	unsigned			dst_sel_x;
    133 	unsigned			dst_sel_y;
    134 	unsigned			dst_sel_z;
    135 	unsigned			dst_sel_w;
    136 };
    137 
    138 struct r600_bytecode_output {
    139 	unsigned			array_base;
    140 	unsigned			array_size;
    141 	unsigned			comp_mask;
    142 	unsigned			type;
    143 
    144 	unsigned			op;
    145 
    146 	unsigned			elem_size;
    147 	unsigned			gpr;
    148 	unsigned			swizzle_x;
    149 	unsigned			swizzle_y;
    150 	unsigned			swizzle_z;
    151 	unsigned			swizzle_w;
    152 	unsigned			burst_count;
    153 	unsigned			index_gpr;
    154 };
    155 
    156 struct r600_bytecode_kcache {
    157 	unsigned			bank;
    158 	unsigned			mode;
    159 	unsigned			addr;
    160 	unsigned			index_mode;
    161 };
    162 
    163 struct r600_bytecode_cf {
    164 	struct list_head		list;
    165 
    166 	unsigned			op;
    167 	unsigned			addr;
    168 	unsigned			ndw;
    169 	unsigned			id;
    170 	unsigned			cond;
    171 	unsigned			pop_count;
    172 	unsigned			count;
    173 	unsigned			cf_addr; /* control flow addr */
    174 	struct r600_bytecode_kcache		kcache[4];
    175 	unsigned			r6xx_uses_waterfall;
    176 	unsigned			eg_alu_extended;
    177 	unsigned			barrier;
    178 	unsigned			end_of_program;
    179 	struct list_head		alu;
    180 	struct list_head		tex;
    181 	struct list_head		vtx;
    182 	struct list_head		gds;
    183 	struct r600_bytecode_output		output;
    184 	struct r600_bytecode_alu		*curr_bs_head;
    185 	struct r600_bytecode_alu		*prev_bs_head;
    186 	struct r600_bytecode_alu		*prev2_bs_head;
    187 	unsigned isa[2];
    188 };
    189 
    190 #define FC_NONE				0
    191 #define FC_IF				1
    192 #define FC_LOOP				2
    193 #define FC_REP				3
    194 #define FC_PUSH_VPM			4
    195 #define FC_PUSH_WQM			5
    196 
    197 struct r600_cf_stack_entry {
    198 	int				type;
    199 	struct r600_bytecode_cf		*start;
    200 	struct r600_bytecode_cf		**mid; /* used to store the else point */
    201 	int				num_mid;
    202 };
    203 
    204 #define SQ_MAX_CALL_DEPTH 0x00000020
    205 
    206 #define AR_HANDLE_NORMAL 0
    207 #define AR_HANDLE_RV6XX 1 /* except RV670 */
    208 
    209 struct r600_stack_info {
    210 	/* current level of non-WQM PUSH operations
    211 	 * (PUSH, PUSH_ELSE, ALU_PUSH_BEFORE) */
    212 	int push;
    213 	/* current level of WQM PUSH operations
    214 	 * (PUSH, PUSH_ELSE, PUSH_WQM) */
    215 	int push_wqm;
    216 	/* current loop level */
    217 	int loop;
    218 
    219 	/* required depth */
    220 	int max_entries;
    221 	/* subentries per entry */
    222 	int entry_size;
    223 };
    224 
    225 struct r600_bytecode {
    226 	enum chip_class			chip_class;
    227 	enum radeon_family		family;
    228 	bool				has_compressed_msaa_texturing;
    229 	int				type;
    230 	struct list_head		cf;
    231 	struct r600_bytecode_cf		*cf_last;
    232 	unsigned			ndw;
    233 	unsigned			ncf;
    234 	unsigned			ngpr;
    235 	unsigned			nstack;
    236 	unsigned			nlds_dw;
    237 	unsigned			nresource;
    238 	unsigned			force_add_cf;
    239 	uint32_t			*bytecode;
    240 	uint32_t			fc_sp;
    241 	struct r600_cf_stack_entry	fc_stack[32];
    242 	struct r600_stack_info		stack;
    243 	unsigned	ar_loaded;
    244 	unsigned	ar_reg;
    245 	unsigned	ar_chan;
    246 	unsigned        ar_handling;
    247 	unsigned        r6xx_nop_after_rel_dst;
    248 	bool            index_loaded[2];
    249 	unsigned        index_reg[2]; /* indexing register CF_INDEX_[01] */
    250 	unsigned        debug_id;
    251 	struct r600_isa* isa;
    252 };
    253 
    254 /* eg_asm.c */
    255 int eg_bytecode_cf_build(struct r600_bytecode *bc, struct r600_bytecode_cf *cf);
    256 int egcm_load_index_reg(struct r600_bytecode *bc, unsigned id, bool inside_alu_clause);
    257 int eg_bytecode_gds_build(struct r600_bytecode *bc, struct r600_bytecode_gds *gds, unsigned id);
    258 int eg_bytecode_alu_build(struct r600_bytecode *bc,
    259 			  struct r600_bytecode_alu *alu, unsigned id);
    260 /* r600_asm.c */
    261 void r600_bytecode_init(struct r600_bytecode *bc,
    262 			enum chip_class chip_class,
    263 			enum radeon_family family,
    264 			bool has_compressed_msaa_texturing);
    265 void r600_bytecode_clear(struct r600_bytecode *bc);
    266 int r600_bytecode_add_alu(struct r600_bytecode *bc,
    267 		const struct r600_bytecode_alu *alu);
    268 int r600_bytecode_add_vtx(struct r600_bytecode *bc,
    269 		const struct r600_bytecode_vtx *vtx);
    270 int r600_bytecode_add_tex(struct r600_bytecode *bc,
    271 		const struct r600_bytecode_tex *tex);
    272 int r600_bytecode_add_gds(struct r600_bytecode *bc,
    273 		const struct r600_bytecode_gds *gds);
    274 int r600_bytecode_add_output(struct r600_bytecode *bc,
    275 		const struct r600_bytecode_output *output);
    276 int r600_bytecode_build(struct r600_bytecode *bc);
    277 int r600_bytecode_add_cf(struct r600_bytecode *bc);
    278 int r600_bytecode_add_cfinst(struct r600_bytecode *bc,
    279 		unsigned op);
    280 int r600_bytecode_add_alu_type(struct r600_bytecode *bc,
    281 		const struct r600_bytecode_alu *alu, unsigned type);
    282 void r600_bytecode_special_constants(uint32_t value,
    283 		unsigned *sel, unsigned *neg, unsigned abs);
    284 void r600_bytecode_disasm(struct r600_bytecode *bc);
    285 void r600_bytecode_alu_read(struct r600_bytecode *bc,
    286 		struct r600_bytecode_alu *alu, uint32_t word0, uint32_t word1);
    287 
    288 int cm_bytecode_add_cf_end(struct r600_bytecode *bc);
    289 
    290 void *r600_create_vertex_fetch_shader(struct pipe_context *ctx,
    291 				      unsigned count,
    292 				      const struct pipe_vertex_element *elements);
    293 
    294 /* r700_asm.c */
    295 void r700_bytecode_cf_vtx_build(uint32_t *bytecode,
    296 		const struct r600_bytecode_cf *cf);
    297 int r700_bytecode_alu_build(struct r600_bytecode *bc,
    298 		struct r600_bytecode_alu *alu, unsigned id);
    299 void r700_bytecode_alu_read(struct r600_bytecode *bc,
    300 		struct r600_bytecode_alu *alu, uint32_t word0, uint32_t word1);
    301 void r600_bytecode_export_read(struct r600_bytecode *bc,
    302 		struct r600_bytecode_output *output, uint32_t word0, uint32_t word1);
    303 void eg_bytecode_export_read(struct r600_bytecode *bc,
    304 		struct r600_bytecode_output *output, uint32_t word0, uint32_t word1);
    305 
    306 void r600_vertex_data_type(enum pipe_format pformat, unsigned *format,
    307 			   unsigned *num_format, unsigned *format_comp, unsigned *endian);
    308 
    309 static inline int fp64_switch(int i)
    310 {
    311 	switch (i) {
    312 	case 0:
    313 		return 1;
    314 	case 1:
    315 		return 0;
    316 	case 2:
    317 		return 3;
    318 	case 3:
    319 		return 2;
    320 	}
    321 	return 0;
    322 }
    323 #endif
    324