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 "util/u_double_list.h"
  27
  28 struct r600_vertex_element;
  29 struct r600_pipe_context;
  30
  31 struct r600_bc_alu_src {
  32         unsigned                        sel;
  33         unsigned                        chan;
  34         unsigned                        neg;
  35         unsigned                        abs;
  36         unsigned                        rel;
  37         u32                             *value;
  38 };
  39
  40 struct r600_bc_alu_dst {
  41         unsigned                        sel;
  42         unsigned                        chan;
  43         unsigned                        clamp;
  44         unsigned                        write;
  45         unsigned                        rel;
  46 };
  47
  48 struct r600_bc_alu {
  49         struct list_head                list;
  50         struct r600_bc_alu_src          src[3];
  51         struct r600_bc_alu_dst          dst;
  52         unsigned                        inst;
  53         unsigned                        last;
  54         unsigned                        is_op3;
  55         unsigned                        predicate;
  56         unsigned                        bank_swizzle;
  57         unsigned                        bank_swizzle_force;
  58         unsigned                        omod;
  59 };
  60
  61 struct r600_bc_tex {
  62         struct list_head                list;
  63         unsigned                        inst;
  64         unsigned                        resource_id;
  65         unsigned                        src_gpr;
  66         unsigned                        src_rel;
  67         unsigned                        dst_gpr;
  68         unsigned                        dst_rel;
  69         unsigned                        dst_sel_x;
  70         unsigned                        dst_sel_y;
  71         unsigned                        dst_sel_z;
  72         unsigned                        dst_sel_w;
  73         unsigned                        lod_bias;
  74         unsigned                        coord_type_x;
  75         unsigned                        coord_type_y;
  76         unsigned                        coord_type_z;
  77         unsigned                        coord_type_w;
  78         unsigned                        offset_x;
  79         unsigned                        offset_y;
  80         unsigned                        offset_z;
  81         unsigned                        sampler_id;
  82         unsigned                        src_sel_x;
  83         unsigned                        src_sel_y;
  84         unsigned                        src_sel_z;
  85         unsigned                        src_sel_w;
  86 };
  87
  88 struct r600_bc_vtx {
  89         struct list_head                list;
  90         unsigned                        inst;
  91         unsigned                        fetch_type;
  92         unsigned                        buffer_id;
  93         unsigned                        src_gpr;
  94         unsigned                        src_sel_x;
  95         unsigned                        mega_fetch_count;
  96         unsigned                        dst_gpr;
  97         unsigned                        dst_sel_x;
  98         unsigned                        dst_sel_y;
  99         unsigned                        dst_sel_z;
 100         unsigned                        dst_sel_w;
 101         unsigned                        use_const_fields;
 102         unsigned                        data_format;
 103         unsigned                        num_format_all;
 104         unsigned                        format_comp_all;
 105         unsigned                        srf_mode_all;
 106 };
 107
 108 struct r600_bc_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                        barrier;
 120 };
 121
 122 struct r600_bc_kcache {
 123         unsigned                        bank;
 124         unsigned                        mode;
 125         unsigned                        addr;
 126 };
 127
 128 struct r600_bc_cf {
 129         struct list_head                list;
 130         unsigned                        inst;
 131         unsigned                        addr;
 132         unsigned                        ndw;
 133         unsigned                        id;
 134         unsigned                        cond;
 135         unsigned                        pop_count;
 136         unsigned                        cf_addr; /* control flow addr */
 137         struct r600_bc_kcache           kcache[2];
 138         unsigned                        r6xx_uses_waterfall;
 139         struct list_head                alu;
 140         struct list_head                tex;
 141         struct list_head                vtx;
 142         struct r600_bc_output           output;
 143         struct r600_bc_alu              *curr_bs_head;
 144         struct r600_bc_alu              *prev_bs_head;
 145         struct r600_bc_alu              *prev2_bs_head;
 146 };
 147
 148 #define FC_NONE                         0
 149 #define FC_IF                           1
 150 #define FC_LOOP                         2
 151 #define FC_REP                          3
 152 #define FC_PUSH_VPM                     4
 153 #define FC_PUSH_WQM                     5
 154
 155 struct r600_cf_stack_entry {
 156         int                             type;
 157         struct r600_bc_cf               *start;
 158         struct r600_bc_cf               **mid; /* used to store the else point */
 159         int                             num_mid;
 160 };
 161
 162 #define SQ_MAX_CALL_DEPTH 0x00000020
 163 struct r600_cf_callstack {
 164         unsigned                        fc_sp_before_entry;
 165         int                             sub_desc_index;
 166         int                             current;
 167         int                             max;
 168 };
 169
 170 struct r600_bc {
 171         enum radeon_family              family;
 172         int                             chiprev; /* 0 - r600, 1 - r700, 2 - evergreen */
 173         int                             type;
 174         struct list_head                cf;
 175         struct r600_bc_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 };
 188
 189 /* eg_asm.c */
 190 int eg_bc_cf_build(struct r600_bc *bc, struct r600_bc_cf *cf);
 191 void eg_cf_vtx(struct r600_vertex_element *ve, u32 *bytecode, unsigned count);
 192
 193 /* r600_asm.c */
 194 int r600_bc_init(struct r600_bc *bc, enum radeon_family family);
 195 void r600_bc_clear(struct r600_bc *bc);
 196 int r600_bc_add_alu(struct r600_bc *bc, const struct r600_bc_alu *alu);
 197 int r600_bc_add_vtx(struct r600_bc *bc, const struct r600_bc_vtx *vtx);
 198 int r600_bc_add_tex(struct r600_bc *bc, const struct r600_bc_tex *tex);
 199 int r600_bc_add_output(struct r600_bc *bc, const struct r600_bc_output *output);
 200 int r600_bc_build(struct r600_bc *bc);
 201 int r600_bc_add_cfinst(struct r600_bc *bc, int inst);
 202 int r600_bc_add_alu_type(struct r600_bc *bc, const struct r600_bc_alu *alu, int type);
 203 void r600_bc_special_constants(u32 value, unsigned *sel, unsigned *neg);
 204 void r600_bc_dump(struct r600_bc *bc);
 205 void r600_cf_vtx(struct r600_vertex_element *ve, u32 *bytecode, unsigned count);
 206 void r600_cf_vtx_tc(struct r600_vertex_element *ve, u32 *bytecode, unsigned count);
 207
 208 int r600_vertex_elements_build_fetch_shader(struct r600_pipe_context *rctx, struct r600_vertex_element *ve);
 209
 210 /* r700_asm.c */
 211 int r700_bc_alu_build(struct r600_bc *bc, struct r600_bc_alu *alu, unsigned id);
 212
 213 #endif