src/gallium/drivers/radeonsi/si_state.h

   1 /*
   2  * Copyright 2012 Advanced Micro Devices, Inc.
   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  * Authors:
  24  *      Christian König <christian.koenig@amd.com>
  25  */
  26
  27 #ifndef SI_STATE_H
  28 #define SI_STATE_H
  29
  30 #include "si_pm4.h"
  31 #include "radeon/r600_pipe_common.h"
  32
  33 #define SI_NUM_GRAPHICS_SHADERS (PIPE_SHADER_TESS_EVAL+1)
  34 #define SI_NUM_SHADERS (PIPE_SHADER_COMPUTE+1)
  35
  36 #define SI_MAX_ATTRIBS                  16
  37 #define SI_NUM_VERTEX_BUFFERS           SI_MAX_ATTRIBS
  38 #define SI_NUM_SAMPLERS                 32 /* OpenGL textures units per shader */
  39 #define SI_NUM_CONST_BUFFERS            16
  40 #define SI_NUM_IMAGES                   16
  41 #define SI_NUM_SHADER_BUFFERS           16
  42
  43 struct si_screen;
  44 struct si_shader;
  45
  46 struct si_state_blend {
  47         struct si_pm4_state     pm4;
  48         uint32_t                cb_target_mask;
  49         bool                    alpha_to_coverage;
  50         bool                    alpha_to_one;
  51         bool                    dual_src_blend;
  52         /* Set 0xf or 0x0 (4 bits) per render target if the following is
  53          * true. ANDed with spi_shader_col_format.
  54          */
  55         unsigned                blend_enable_4bit;
  56         unsigned                need_src_alpha_4bit;
  57 };
  58
  59 struct si_state_rasterizer {
  60         struct si_pm4_state     pm4;
  61         /* poly offset states for 16-bit, 24-bit, and 32-bit zbuffers */
  62         struct si_pm4_state     pm4_poly_offset[3];
  63         bool                    flatshade;
  64         bool                    two_side;
  65         bool                    multisample_enable;
  66         bool                    force_persample_interp;
  67         bool                    line_stipple_enable;
  68         unsigned                sprite_coord_enable;
  69         unsigned                pa_sc_line_stipple;
  70         unsigned                pa_cl_clip_cntl;
  71         unsigned                clip_plane_enable;
  72         bool                    poly_stipple_enable;
  73         bool                    line_smooth;
  74         bool                    poly_smooth;
  75         bool                    uses_poly_offset;
  76         bool                    clamp_fragment_color;
  77         bool                    rasterizer_discard;
  78         bool                    scissor_enable;
  79 };
  80
  81 struct si_dsa_stencil_ref_part {
  82         uint8_t                 valuemask[2];
  83         uint8_t                 writemask[2];
  84 };
  85
  86 struct si_state_dsa {
  87         struct si_pm4_state             pm4;
  88         unsigned                        alpha_func;
  89         struct si_dsa_stencil_ref_part  stencil_ref;
  90 };
  91
  92 struct si_stencil_ref {
  93         struct r600_atom                atom;
  94         struct pipe_stencil_ref         state;
  95         struct si_dsa_stencil_ref_part  dsa_part;
  96 };
  97
  98 struct si_vertex_element
  99 {
 100         unsigned                        count;
 101         uint32_t                        rsrc_word3[SI_MAX_ATTRIBS];
 102         uint32_t                        format_size[SI_MAX_ATTRIBS];
 103         struct pipe_vertex_element      elements[SI_MAX_ATTRIBS];
 104 };
 105
 106 union si_state {
 107         struct {
 108                 struct si_state_blend           *blend;
 109                 struct si_state_rasterizer      *rasterizer;
 110                 struct si_state_dsa             *dsa;
 111                 struct si_pm4_state             *poly_offset;
 112                 struct si_pm4_state             *ls;
 113                 struct si_pm4_state             *hs;
 114                 struct si_pm4_state             *es;
 115                 struct si_pm4_state             *gs;
 116                 struct si_pm4_state             *vgt_shader_config;
 117                 struct si_pm4_state             *vs;
 118                 struct si_pm4_state             *ps;
 119         } named;
 120         struct si_pm4_state     *array[0];
 121 };
 122
 123 union si_state_atoms {
 124         struct {
 125                 /* The order matters. */
 126                 struct r600_atom *cache_flush;
 127                 struct r600_atom *render_cond;
 128                 struct r600_atom *streamout_begin;
 129                 struct r600_atom *streamout_enable; /* must be after streamout_begin */
 130                 struct r600_atom *framebuffer;
 131                 struct r600_atom *msaa_sample_locs;
 132                 struct r600_atom *db_render_state;
 133                 struct r600_atom *msaa_config;
 134                 struct r600_atom *sample_mask;
 135                 struct r600_atom *cb_render_state;
 136                 struct r600_atom *blend_color;
 137                 struct r600_atom *clip_regs;
 138                 struct r600_atom *clip_state;
 139                 struct r600_atom *shader_userdata;
 140                 struct r600_atom *scissors;
 141                 struct r600_atom *viewports;
 142                 struct r600_atom *stencil_ref;
 143                 struct r600_atom *spi_map;
 144         } s;
 145         struct r600_atom *array[0];
 146 };
 147
 148 #define SI_NUM_ATOMS (sizeof(union si_state_atoms)/sizeof(struct r600_atom*))
 149
 150 struct si_shader_data {
 151         struct r600_atom        atom;
 152         uint32_t                sh_base[SI_NUM_SHADERS];
 153 };
 154
 155 /* Private read-write buffer slots. */
 156 enum {
 157         SI_HS_RING_TESS_FACTOR,
 158
 159         SI_ES_RING_ESGS,
 160         SI_GS_RING_ESGS,
 161
 162         SI_GS_RING_GSVS0,
 163         SI_GS_RING_GSVS1,
 164         SI_GS_RING_GSVS2,
 165         SI_GS_RING_GSVS3,
 166         SI_VS_RING_GSVS,
 167
 168         SI_VS_STREAMOUT_BUF0,
 169         SI_VS_STREAMOUT_BUF1,
 170         SI_VS_STREAMOUT_BUF2,
 171         SI_VS_STREAMOUT_BUF3,
 172
 173         SI_HS_CONST_DEFAULT_TESS_LEVELS,
 174         SI_VS_CONST_CLIP_PLANES,
 175         SI_PS_CONST_POLY_STIPPLE,
 176         SI_PS_CONST_SAMPLE_POSITIONS,
 177
 178         SI_NUM_RW_BUFFERS,
 179 };
 180
 181 /* This represents descriptors in memory, such as buffer resources,
 182  * image resources, and sampler states.
 183  */
 184 struct si_descriptors {
 185         /* The list of descriptors in malloc'd memory. */
 186         uint32_t *list;
 187         /* The size of one descriptor. */
 188         unsigned element_dw_size;
 189         /* The maximum number of descriptors. */
 190         unsigned num_elements;
 191
 192         /* The buffer where the descriptors have been uploaded. */
 193         struct r600_resource *buffer;
 194         unsigned buffer_offset;
 195
 196         /* Offset in CE RAM */
 197         unsigned ce_offset;
 198
 199         /* The i-th bit is set if that element is enabled (non-NULL resource). */
 200         unsigned enabled_mask;
 201
 202         /* elements of the list that are changed and need to be uploaded */
 203         unsigned dirty_mask;
 204
 205         /* Whether the CE ram is dirty and needs to be reinitialized entirely
 206          * before we can do partial updates. */
 207         bool ce_ram_dirty;
 208
 209         /* The shader userdata offset within a shader where the 64-bit pointer to the descriptor
 210          * array will be stored. */
 211         unsigned shader_userdata_offset;
 212         /* Whether the pointer should be re-emitted. */
 213         bool pointer_dirty;
 214 };
 215
 216 struct si_sampler_views {
 217         struct si_descriptors           desc;
 218         struct pipe_sampler_view        *views[SI_NUM_SAMPLERS];
 219         void                            *sampler_states[SI_NUM_SAMPLERS];
 220 };
 221
 222 struct si_buffer_resources {
 223         struct si_descriptors           desc;
 224         enum radeon_bo_usage            shader_usage; /* READ, WRITE, or READWRITE */
 225         enum radeon_bo_priority         priority;
 226         struct pipe_resource            **buffers; /* this has num_buffers elements */
 227 };
 228
 229 #define si_pm4_block_idx(member) \
 230         (offsetof(union si_state, named.member) / sizeof(struct si_pm4_state *))
 231
 232 #define si_pm4_state_changed(sctx, member) \
 233         ((sctx)->queued.named.member != (sctx)->emitted.named.member)
 234
 235 #define si_pm4_bind_state(sctx, member, value) \
 236         do { \
 237                 (sctx)->queued.named.member = (value); \
 238         } while(0)
 239
 240 #define si_pm4_delete_state(sctx, member, value) \
 241         do { \
 242                 if ((sctx)->queued.named.member == (value)) { \
 243                         (sctx)->queued.named.member = NULL; \
 244                 } \
 245                 si_pm4_free_state(sctx, (struct si_pm4_state *)(value), \
 246                                   si_pm4_block_idx(member)); \
 247         } while(0)
 248
 249 /* si_descriptors.c */
 250 void si_ce_enable_loads(struct radeon_winsys_cs *ib);
 251 void si_set_ring_buffer(struct pipe_context *ctx, uint shader, uint slot,
 252                         struct pipe_resource *buffer,
 253                         unsigned stride, unsigned num_records,
 254                         bool add_tid, bool swizzle,
 255                         unsigned element_size, unsigned index_stride, uint64_t offset);
 256 void si_init_all_descriptors(struct si_context *sctx);
 257 bool si_upload_graphics_shader_descriptors(struct si_context *sctx);
 258 bool si_upload_compute_shader_descriptors(struct si_context *sctx);
 259 void si_release_all_descriptors(struct si_context *sctx);
 260 void si_all_descriptors_begin_new_cs(struct si_context *sctx);
 261 void si_upload_const_buffer(struct si_context *sctx, struct r600_resource **rbuffer,
 262                             const uint8_t *ptr, unsigned size, uint32_t *const_offset);
 263 void si_shader_change_notify(struct si_context *sctx);
 264 void si_update_compressed_colortex_masks(struct si_context *sctx);
 265 void si_emit_graphics_shader_userdata(struct si_context *sctx,
 266                                       struct r600_atom *atom);
 267 void si_emit_compute_shader_userdata(struct si_context *sctx);
 268 void si_set_constant_buffer(struct si_context *sctx,
 269                             struct si_buffer_resources *buffers,
 270                             uint slot, struct pipe_constant_buffer *input);
 271
 272 /* si_state.c */
 273 struct si_shader_selector;
 274
 275 void si_init_atom(struct si_context *sctx, struct r600_atom *atom,
 276                   struct r600_atom **list_elem,
 277                   void (*emit_func)(struct si_context *ctx, struct r600_atom *state));
 278 boolean si_is_format_supported(struct pipe_screen *screen,
 279                                enum pipe_format format,
 280                                enum pipe_texture_target target,
 281                                unsigned sample_count,
 282                                unsigned usage);
 283 void si_init_state_functions(struct si_context *sctx);
 284 void si_init_screen_state_functions(struct si_screen *sscreen);
 285 unsigned cik_bank_wh(unsigned bankwh);
 286 unsigned cik_db_pipe_config(struct si_screen *sscreen, unsigned tile_mode);
 287 unsigned cik_macro_tile_aspect(unsigned macro_tile_aspect);
 288 unsigned cik_tile_split(unsigned tile_split);
 289 unsigned si_array_mode(unsigned mode);
 290 uint32_t si_num_banks(struct si_screen *sscreen, struct r600_texture *tex);
 291 unsigned si_tile_mode_index(struct r600_texture *rtex, unsigned level, bool stencil);
 292 void
 293 si_make_buffer_descriptor(struct si_screen *screen, struct r600_resource *buf,
 294                           enum pipe_format format,
 295                           unsigned first_element, unsigned last_element,
 296                           uint32_t *state);
 297 void
 298 si_make_texture_descriptor(struct si_screen *screen,
 299                            struct r600_texture *tex,
 300                            bool sampler,
 301                            enum pipe_texture_target target,
 302                            enum pipe_format pipe_format,
 303                            const unsigned char state_swizzle[4],
 304                            unsigned base_level, unsigned first_level, unsigned last_level,
 305                            unsigned first_layer, unsigned last_layer,
 306                            unsigned width, unsigned height, unsigned depth,
 307                            uint32_t *state,
 308                            uint32_t *fmask_state);
 309 struct pipe_sampler_view *
 310 si_create_sampler_view_custom(struct pipe_context *ctx,
 311                               struct pipe_resource *texture,
 312                               const struct pipe_sampler_view *state,
 313                               unsigned width0, unsigned height0,
 314                               unsigned force_level);
 315
 316 /* si_state_shader.c */
 317 bool si_update_shaders(struct si_context *sctx);
 318 void si_init_shader_functions(struct si_context *sctx);
 319 bool si_init_shader_cache(struct si_screen *sscreen);
 320 void si_destroy_shader_cache(struct si_screen *sscreen);
 321
 322 /* si_state_draw.c */
 323 void si_emit_cache_flush(struct si_context *sctx, struct r600_atom *atom);
 324 void si_ce_pre_draw_synchronization(struct si_context *sctx);
 325 void si_ce_post_draw_synchronization(struct si_context *sctx);
 326 void si_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *dinfo);
 327 void si_trace_emit(struct si_context *sctx);
 328
 329 #endif