src/gallium/drivers/r600/r600_asm.h

   1 /*
   2  * Copyright 2010 Jerome Glisse <glisse@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 struct r600_vertex_element;
  27 struct r600_pipe_context;
  28
  29 struct r600_bytecode_alu_src {
  30         unsigned                        sel;
  31         unsigned                        chan;
  32         unsigned                        neg;
  33         unsigned                        abs;
  34         unsigned                        rel;
  35         uint32_t                        value;
  36 };
  37
  38 struct r600_bytecode_alu_dst {
  39         unsigned                        sel;
  40         unsigned                        chan;
  41         unsigned                        clamp;
  42         unsigned                        write;
  43         unsigned                        rel;
  44 };
  45
  46 struct r600_bytecode_alu {
  47         struct list_head                list;
  48         struct r600_bytecode_alu_src            src[3];
  49         struct r600_bytecode_alu_dst            dst;
  50         unsigned                        inst;
  51         unsigned                        last;
  52         unsigned                        is_op3;
  53         unsigned                        predicate;
  54         unsigned                        bank_swizzle;
  55         unsigned                        bank_swizzle_force;
  56         unsigned                        omod;
  57 };
  58
  59 struct r600_bytecode_tex {
  60         struct list_head                list;
  61         unsigned                        inst;
  62         unsigned                        resource_id;
  63         unsigned                        src_gpr;
  64         unsigned                        src_rel;
  65         unsigned                        dst_gpr;
  66         unsigned                        dst_rel;
  67         unsigned                        dst_sel_x;
  68         unsigned                        dst_sel_y;
  69         unsigned                        dst_sel_z;
  70         unsigned                        dst_sel_w;
  71         unsigned                        lod_bias;
  72         unsigned                        coord_type_x;
  73         unsigned                        coord_type_y;
  74         unsigned                        coord_type_z;
  75         unsigned                        coord_type_w;
  76         unsigned                        offset_x;
  77         unsigned                        offset_y;
  78         unsigned                        offset_z;
  79         unsigned                        sampler_id;
  80         unsigned                        src_sel_x;
  81         unsigned                        src_sel_y;
  82         unsigned                        src_sel_z;
  83         unsigned                        src_sel_w;
  84 };
  85
  86 struct r600_bytecode_vtx {
  87         struct list_head                list;
  88         unsigned                        inst;
  89         unsigned                        fetch_type;
  90         unsigned                        buffer_id;
  91         unsigned                        src_gpr;
  92         unsigned                        src_sel_x;
  93         unsigned                        mega_fetch_count;
  94         unsigned                        dst_gpr;
  95         unsigned                        dst_sel_x;
  96         unsigned                        dst_sel_y;
  97         unsigned                        dst_sel_z;
  98         unsigned                        dst_sel_w;
  99         unsigned                        use_const_fields;
 100         unsigned                        data_format;
 101         unsigned                        num_format_all;
 102         unsigned                        format_comp_all;
 103         unsigned                        srf_mode_all;
 104         unsigned                        offset;
 105         unsigned                        endian;
 106 };
 107
 108 struct r600_bytecode_output {
 109         unsigned                        array_base;
 110         unsigned                        type;
 111         unsigned                        end_of_program;
 112         unsigned                        inst;
 113         unsigned                        elem_size;
 114         unsigned                        gpr;
 115         unsigned                        swizzle_x;
 116         unsigned                        swizzle_y;
 117         unsigned                        swizzle_z;
 118         unsigned                        swizzle_w;
 119         unsigned                        burst_count;
 120         unsigned                        barrier;
 121 };
 122
 123 struct r600_bytecode_kcache {
 124         unsigned                        bank;
 125         unsigned                        mode;
 126         unsigned                        addr;
 127 };
 128
 129 struct r600_bytecode_cf {
 130         struct list_head                list;
 131         unsigned                        inst;
 132         unsigned                        addr;
 133         unsigned                        ndw;
 134         unsigned                        id;
 135         unsigned                        cond;
 136         unsigned                        pop_count;
 137         unsigned                        cf_addr; /* control flow addr */
 138         struct r600_bytecode_kcache             kcache[2];
 139         unsigned                        r6xx_uses_waterfall;
 140         struct list_head                alu;
 141         struct list_head                tex;
 142         struct list_head                vtx;
 143         struct r600_bytecode_output             output;
 144         struct r600_bytecode_alu                *curr_bs_head;
 145         struct r600_bytecode_alu                *prev_bs_head;
 146         struct r600_bytecode_alu                *prev2_bs_head;
 147 };
 148
 149 #define FC_NONE                         0
 150 #define FC_IF                           1
 151 #define FC_LOOP                         2
 152 #define FC_REP                          3
 153 #define FC_PUSH_VPM                     4
 154 #define FC_PUSH_WQM                     5
 155
 156 struct r600_cf_stack_entry {
 157         int                             type;
 158         struct r600_bytecode_cf         *start;
 159         struct r600_bytecode_cf         **mid; /* used to store the else point */
 160         int                             num_mid;
 161 };
 162
 163 #define SQ_MAX_CALL_DEPTH 0x00000020
 164 struct r600_cf_callstack {
 165         unsigned                        fc_sp_before_entry;
 166         int                             sub_desc_index;
 167         int                             current;
 168         int                             max;
 169 };
 170
 171 struct r600_bytecode {
 172         enum chip_class                 chip_class;
 173         int                             type;
 174         struct list_head                cf;
 175         struct r600_bytecode_cf         *cf_last;
 176         unsigned                        ndw;
 177         unsigned                        ncf;
 178         unsigned                        ngpr;
 179         unsigned                        nstack;
 180         unsigned                        nresource;
 181         unsigned                        force_add_cf;
 182         u32                             *bytecode;
 183         u32                             fc_sp;
 184         struct r600_cf_stack_entry      fc_stack[32];
 185         unsigned                        call_sp;
 186         struct r600_cf_callstack        callstack[SQ_MAX_CALL_DEPTH];
 187         unsigned        ar_loaded;
 188         unsigned        ar_reg;
 189 };
 190
 191 /* eg_asm.c */
 192 int eg_bytecode_cf_build(struct r600_bytecode *bc, struct r600_bytecode_cf *cf);
 193
 194 /* r600_asm.c */
 195 void r600_bytecode_init(struct r600_bytecode *bc, enum chip_class chip_class);
 196 void r600_bytecode_clear(struct r600_bytecode *bc);
 197 int r600_bytecode_add_alu(struct r600_bytecode *bc, const struct r600_bytecode_alu *alu);
 198 int r600_bytecode_add_vtx(struct r600_bytecode *bc, const struct r600_bytecode_vtx *vtx);
 199 int r600_bytecode_add_tex(struct r600_bytecode *bc, const struct r600_bytecode_tex *tex);
 200 int r600_bytecode_add_output(struct r600_bytecode *bc, const struct r600_bytecode_output *output);
 201 int r600_bytecode_build(struct r600_bytecode *bc);
 202 int r600_bytecode_add_cfinst(struct r600_bytecode *bc, int inst);
 203 int r600_bytecode_add_alu_type(struct r600_bytecode *bc, const struct r600_bytecode_alu *alu, int type);
 204 void r600_bytecode_special_constants(u32 value, unsigned *sel, unsigned *neg);
 205 void r600_bytecode_dump(struct r600_bytecode *bc);
 206
 207 int cm_bytecode_add_cf_end(struct r600_bytecode *bc);
 208
 209 int r600_vertex_elements_build_fetch_shader(struct r600_pipe_context *rctx, struct r600_vertex_element *ve);
 210
 211 /* r700_asm.c */
 212 void r700_bytecode_cf_vtx_build(uint32_t *bytecode, const struct r600_bytecode_cf *cf);
 213 int r700_bytecode_alu_build(struct r600_bytecode *bc, struct r600_bytecode_alu *alu, unsigned id);
 214
 215 #endif