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 #include "radeon.h"
  27 #include "util/u_double_list.h"
  28
  29 struct r600_bc_alu_src {
  30         unsigned                        sel;
  31         unsigned                        chan;
  32         unsigned                        neg;
  33         unsigned                        abs;
  34 };
  35
  36 struct r600_bc_alu_dst {
  37         unsigned                        sel;
  38         unsigned                        chan;
  39         unsigned                        clamp;
  40         unsigned                        write;
  41 };
  42
  43 struct r600_bc_alu {
  44         struct list_head                list;
  45         struct r600_bc_alu_src          src[3];
  46         struct r600_bc_alu_dst          dst;
  47         unsigned                        inst;
  48         unsigned                        last;
  49         unsigned                        is_op3;
  50         unsigned                        predicate;
  51         unsigned                        nliteral;
  52         unsigned                        literal_added;
  53         u32                             value[4];
  54 };
  55
  56 struct r600_bc_tex {
  57         struct list_head                list;
  58         unsigned                        inst;
  59         unsigned                        resource_id;
  60         unsigned                        src_gpr;
  61         unsigned                        src_rel;
  62         unsigned                        dst_gpr;
  63         unsigned                        dst_rel;
  64         unsigned                        dst_sel_x;
  65         unsigned                        dst_sel_y;
  66         unsigned                        dst_sel_z;
  67         unsigned                        dst_sel_w;
  68         unsigned                        lod_bias;
  69         unsigned                        coord_type_x;
  70         unsigned                        coord_type_y;
  71         unsigned                        coord_type_z;
  72         unsigned                        coord_type_w;
  73         unsigned                        offset_x;
  74         unsigned                        offset_y;
  75         unsigned                        offset_z;
  76         unsigned                        sampler_id;
  77         unsigned                        src_sel_x;
  78         unsigned                        src_sel_y;
  79         unsigned                        src_sel_z;
  80         unsigned                        src_sel_w;
  81 };
  82
  83 struct r600_bc_vtx {
  84         struct list_head                list;
  85         unsigned                        inst;
  86         unsigned                        fetch_type;
  87         unsigned                        buffer_id;
  88         unsigned                        src_gpr;
  89         unsigned                        src_sel_x;
  90         unsigned                        mega_fetch_count;
  91         unsigned                        dst_gpr;
  92         unsigned                        dst_sel_x;
  93         unsigned                        dst_sel_y;
  94         unsigned                        dst_sel_z;
  95         unsigned                        dst_sel_w;
  96 };
  97
  98 struct r600_bc_output {
  99         unsigned                        array_base;
 100         unsigned                        type;
 101         unsigned                        end_of_program;
 102         unsigned                        inst;
 103         unsigned                        elem_size;
 104         unsigned                        gpr;
 105         unsigned                        swizzle_x;
 106         unsigned                        swizzle_y;
 107         unsigned                        swizzle_z;
 108         unsigned                        swizzle_w;
 109         unsigned                        barrier;
 110 };
 111
 112 struct r600_bc_cf {
 113         struct list_head                list;
 114         unsigned                        inst;
 115         unsigned                        addr;
 116         unsigned                        ndw;
 117         unsigned                        id;
 118         unsigned                        cond;
 119         unsigned                        pop_count;
 120         unsigned                        cf_addr; /* control flow addr */
 121         struct list_head                alu;
 122         struct list_head                tex;
 123         struct list_head                vtx;
 124         struct r600_bc_output           output;
 125 };
 126
 127 #define FC_NONE 0
 128 #define FC_IF 1
 129 #define FC_LOOP 2
 130 #define FC_REP 3
 131 #define FC_PUSH_VPM 4
 132 #define FC_PUSH_WQM 5
 133
 134 struct r600_cf_stack_entry {
 135         int type;
 136         struct r600_bc_cf *start;
 137         struct r600_bc_cf **mid; /* used to store the else point */
 138         int num_mid;
 139 };
 140
 141 #define SQ_MAX_CALL_DEPTH 0x00000020
 142 struct r600_cf_callstack {
 143         unsigned fc_sp_before_entry;
 144         int sub_desc_index;
 145         int current;
 146         int max;
 147 };
 148
 149 struct r600_bc {
 150         enum radeon_family              family;
 151         int chiprev; /* 0 - r600, 1 - r700, 2 - evergreen */
 152         struct list_head                cf;
 153         struct r600_bc_cf               *cf_last;
 154         unsigned                        ndw;
 155         unsigned                        ncf;
 156         unsigned                        ngpr;
 157         unsigned                        nstack;
 158         unsigned                        nresource;
 159         unsigned                        force_add_cf;
 160         u32                             *bytecode;
 161
 162         u32 fc_sp;
 163         struct r600_cf_stack_entry fc_stack[32];
 164
 165         unsigned call_sp;
 166         struct r600_cf_callstack callstack[SQ_MAX_CALL_DEPTH];
 167 };
 168
 169 int r600_bc_init(struct r600_bc *bc, enum radeon_family family);
 170 int r600_bc_add_alu(struct r600_bc *bc, const struct r600_bc_alu *alu);
 171 int r600_bc_add_literal(struct r600_bc *bc, const u32 *value);
 172 int r600_bc_add_vtx(struct r600_bc *bc, const struct r600_bc_vtx *vtx);
 173 int r600_bc_add_tex(struct r600_bc *bc, const struct r600_bc_tex *tex);
 174 int r600_bc_add_output(struct r600_bc *bc, const struct r600_bc_output *output);
 175 int r600_bc_build(struct r600_bc *bc);
 176 int r600_bc_add_cfinst(struct r600_bc *bc, int inst);
 177 int r600_bc_add_alu_type(struct r600_bc *bc, const struct r600_bc_alu *alu, int type);
 178 #endif