src/gallium/drivers/radeonsi/si_pipe.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  * Authors:
  24  *      Jerome Glisse
  25  */
  26 #ifndef SI_PIPE_H
  27 #define SI_PIPE_H
  28
  29 #include "si_state.h"
  30
  31 #include <llvm-c/TargetMachine.h>
  32
  33 #ifdef PIPE_ARCH_BIG_ENDIAN
  34 #define SI_BIG_ENDIAN 1
  35 #else
  36 #define SI_BIG_ENDIAN 0
  37 #endif
  38
  39 /* The base vertex and primitive restart can be any number, but we must pick
  40  * one which will mean "unknown" for the purpose of state tracking and
  41  * the number shouldn't be a commonly-used one. */
  42 #define SI_BASE_VERTEX_UNKNOWN INT_MIN
  43 #define SI_RESTART_INDEX_UNKNOWN INT_MIN
  44 #define SI_NUM_SMOOTH_AA_SAMPLES 8
  45
  46 #define SI_TRACE_CS_DWORDS              7
  47
  48 #define SI_MAX_DRAW_CS_DWORDS \
  49         (/*scratch:*/ 3 + /*derived prim state:*/ 3 + \
  50          /*draw regs:*/ 18 + /*draw packets:*/ 31 +\
  51          /*derived tess state:*/ 19)
  52
  53 /* Instruction cache. */
  54 #define SI_CONTEXT_INV_ICACHE           (R600_CONTEXT_PRIVATE_FLAG << 0)
  55 /* Cache used by scalar memory (SMEM) instructions. They also use TC
  56  * as a second level cache, which isn't flushed by this.
  57  * Other names: constant cache, data cache, DCACHE */
  58 #define SI_CONTEXT_INV_KCACHE           (R600_CONTEXT_PRIVATE_FLAG << 1)
  59 /* Caches used by vector memory (VMEM) instructions.
  60  * L1 can optionally be bypassed (GLC=1) and can only be used by shaders.
  61  * L2 is used by shaders and can be used by other blocks (CP, sDMA). */
  62 #define SI_CONTEXT_INV_TC_L1            (R600_CONTEXT_PRIVATE_FLAG << 2)
  63 #define SI_CONTEXT_INV_TC_L2            (R600_CONTEXT_PRIVATE_FLAG << 3)
  64 /* Framebuffer caches. */
  65 #define SI_CONTEXT_FLUSH_AND_INV_CB_META (R600_CONTEXT_PRIVATE_FLAG << 4)
  66 #define SI_CONTEXT_FLUSH_AND_INV_DB_META (R600_CONTEXT_PRIVATE_FLAG << 5)
  67 #define SI_CONTEXT_FLUSH_AND_INV_DB     (R600_CONTEXT_PRIVATE_FLAG << 6)
  68 #define SI_CONTEXT_FLUSH_AND_INV_CB     (R600_CONTEXT_PRIVATE_FLAG << 7)
  69 /* Engine synchronization. */
  70 #define SI_CONTEXT_VS_PARTIAL_FLUSH     (R600_CONTEXT_PRIVATE_FLAG << 8)
  71 #define SI_CONTEXT_PS_PARTIAL_FLUSH     (R600_CONTEXT_PRIVATE_FLAG << 9)
  72 #define SI_CONTEXT_CS_PARTIAL_FLUSH     (R600_CONTEXT_PRIVATE_FLAG << 10)
  73 #define SI_CONTEXT_VGT_FLUSH            (R600_CONTEXT_PRIVATE_FLAG << 11)
  74 #define SI_CONTEXT_VGT_STREAMOUT_SYNC   (R600_CONTEXT_PRIVATE_FLAG << 12)
  75 /* Compute only. */
  76 #define SI_CONTEXT_FLUSH_WITH_INV_L2    (R600_CONTEXT_PRIVATE_FLAG << 13) /* TODO: merge with TC? */
  77 #define SI_CONTEXT_FLAG_COMPUTE         (R600_CONTEXT_PRIVATE_FLAG << 14)
  78
  79 #define SI_CONTEXT_FLUSH_AND_INV_FRAMEBUFFER (SI_CONTEXT_FLUSH_AND_INV_CB | \
  80                                               SI_CONTEXT_FLUSH_AND_INV_CB_META | \
  81                                               SI_CONTEXT_FLUSH_AND_INV_DB | \
  82                                               SI_CONTEXT_FLUSH_AND_INV_DB_META)
  83
  84 #define SI_ENCODE_TRACE_POINT(id)       (0xcafe0000 | ((id) & 0xffff))
  85 #define SI_IS_TRACE_POINT(x)            (((x) & 0xcafe0000) == 0xcafe0000)
  86 #define SI_GET_TRACE_POINT_ID(x)        ((x) & 0xffff)
  87
  88 #define SI_MAX_VIEWPORTS        16
  89
  90 struct si_compute;
  91
  92 struct si_screen {
  93         struct r600_common_screen       b;
  94 };
  95
  96 struct si_sampler_view {
  97         struct pipe_sampler_view        base;
  98         struct list_head                list;
  99         struct r600_resource            *resource;
 100         /* [0..7] = image descriptor
 101          * [4..7] = buffer descriptor */
 102         uint32_t                        state[8];
 103         uint32_t                        fmask_state[8];
 104 };
 105
 106 struct si_sampler_state {
 107         uint32_t                        val[4];
 108         uint32_t                        border_color[4];
 109 };
 110
 111 struct si_cs_shader_state {
 112         struct si_compute               *program;
 113 };
 114
 115 struct si_textures_info {
 116         struct si_sampler_views         views;
 117         struct si_sampler_states        states;
 118         uint32_t                        depth_texture_mask; /* which textures are depth */
 119         uint32_t                        compressed_colortex_mask;
 120 };
 121
 122 struct si_framebuffer {
 123         struct r600_atom                atom;
 124         struct pipe_framebuffer_state   state;
 125         unsigned                        nr_samples;
 126         unsigned                        log_samples;
 127         unsigned                        cb0_is_integer;
 128         unsigned                        compressed_cb_mask;
 129         unsigned                        export_16bpc;
 130         unsigned                        dirty_cbufs;
 131         bool                            dirty_zsbuf;
 132 };
 133
 134 struct si_clip_state {
 135         struct r600_atom                atom;
 136         struct pipe_clip_state          state;
 137 };
 138
 139 struct si_sample_mask {
 140         struct r600_atom        atom;
 141         uint16_t                sample_mask;
 142 };
 143
 144 struct si_scissors {
 145         struct r600_atom                atom;
 146         unsigned                        dirty_mask;
 147         struct pipe_scissor_state       states[SI_MAX_VIEWPORTS];
 148 };
 149
 150 struct si_viewports {
 151         struct r600_atom                atom;
 152         unsigned                        dirty_mask;
 153         struct pipe_viewport_state      states[SI_MAX_VIEWPORTS];
 154 };
 155
 156 struct si_context {
 157         struct r600_common_context      b;
 158         struct blitter_context          *blitter;
 159         void                            *custom_dsa_flush;
 160         void                            *custom_blend_resolve;
 161         void                            *custom_blend_decompress;
 162         void                            *custom_blend_fastclear;
 163         void                            *pstipple_sampler_state;
 164         struct si_screen                *screen;
 165         struct si_pm4_state             *init_config;
 166         struct pipe_fence_handle        *last_gfx_fence;
 167         struct si_shader_selector       *fixed_func_tcs_shader;
 168
 169         union si_state_atoms            atoms;
 170         unsigned                        dirty_atoms; /* mask */
 171
 172         struct si_framebuffer           framebuffer;
 173         struct si_vertex_element        *vertex_elements;
 174         /* for saving when using blitter */
 175         struct pipe_stencil_ref         stencil_ref;
 176         /* shaders */
 177         struct si_shader_selector       *ps_shader;
 178         struct si_shader_selector       *gs_shader;
 179         struct si_shader_selector       *vs_shader;
 180         struct si_shader_selector       *tcs_shader;
 181         struct si_shader_selector       *tes_shader;
 182         struct si_cs_shader_state       cs_shader_state;
 183         struct si_shader_data           shader_userdata;
 184         /* shader information */
 185         unsigned                        sprite_coord_enable;
 186         bool                            flatshade;
 187         struct si_descriptors           vertex_buffers;
 188         struct si_buffer_resources      const_buffers[SI_NUM_SHADERS];
 189         struct si_buffer_resources      rw_buffers[SI_NUM_SHADERS];
 190         struct si_textures_info         samplers[SI_NUM_SHADERS];
 191         struct r600_resource            *scratch_buffer;
 192         struct r600_resource            *border_color_table;
 193         unsigned                        border_color_offset;
 194
 195         struct si_scissors              scissors;
 196         struct si_viewports             viewports;
 197         struct si_clip_state            clip_state;
 198         struct r600_atom                clip_regs;
 199         struct si_sample_mask           sample_mask;
 200         struct r600_atom                msaa_sample_locs;
 201         struct r600_atom                msaa_config;
 202         int                             ps_iter_samples;
 203         bool                            smoothing_enabled;
 204
 205         /* Vertex and index buffers. */
 206         bool                    vertex_buffers_dirty;
 207         struct pipe_index_buffer index_buffer;
 208         struct pipe_vertex_buffer vertex_buffer[SI_NUM_VERTEX_BUFFERS];
 209
 210         /* With rasterizer discard, there doesn't have to be a pixel shader.
 211          * In that case, we bind this one: */
 212         void                    *dummy_pixel_shader;
 213         struct r600_atom        cache_flush;
 214         struct pipe_constant_buffer null_const_buf; /* used for set_constant_buffer(NULL) on CIK */
 215
 216         /* VGT states. */
 217         struct si_pm4_state     *vgt_shader_config[4];
 218         struct pipe_resource    *esgs_ring;
 219         struct pipe_resource    *gsvs_ring;
 220         struct pipe_resource    *tf_ring;
 221
 222         LLVMTargetMachineRef            tm;
 223
 224         /* SI state handling */
 225         union si_state  queued;
 226         union si_state  emitted;
 227
 228         /* DB render state. */
 229         struct r600_atom        db_render_state;
 230         bool                    dbcb_depth_copy_enabled;
 231         bool                    dbcb_stencil_copy_enabled;
 232         unsigned                dbcb_copy_sample;
 233         bool                    db_inplace_flush_enabled;
 234         bool                    db_depth_clear;
 235         bool                    db_depth_disable_expclear;
 236         unsigned                ps_db_shader_control;
 237
 238         /* Emitted draw state. */
 239         int                     last_base_vertex;
 240         int                     last_start_instance;
 241         int                     last_sh_base_reg;
 242         int                     last_primitive_restart_en;
 243         int                     last_restart_index;
 244         int                     last_gs_out_prim;
 245         int                     last_prim;
 246         int                     last_multi_vgt_param;
 247         int                     last_ls_hs_config;
 248         int                     last_rast_prim;
 249         unsigned                last_sc_line_stipple;
 250         int                     current_rast_prim; /* primitive type after TES, GS */
 251         unsigned                last_gsvs_itemsize;
 252
 253         /* Scratch buffer */
 254         boolean                 emit_scratch_reloc;
 255         unsigned                scratch_waves;
 256         unsigned                spi_tmpring_size;
 257
 258         /* Emitted derived tessellation state. */
 259         struct si_shader        *last_ls; /* local shader (VS) */
 260         struct si_shader_selector *last_tcs;
 261         int                     last_num_tcs_input_cp;
 262         int                     last_tes_sh_base;
 263
 264         /* Debug state. */
 265         bool                    is_debug;
 266         uint32_t                *last_ib;
 267         unsigned                last_ib_dw_size;
 268         struct r600_resource    *last_trace_buf;
 269         struct r600_resource    *trace_buf;
 270         unsigned                trace_id;
 271 };
 272
 273 /* cik_sdma.c */
 274 void cik_sdma_copy(struct pipe_context *ctx,
 275                    struct pipe_resource *dst,
 276                    unsigned dst_level,
 277                    unsigned dstx, unsigned dsty, unsigned dstz,
 278                    struct pipe_resource *src,
 279                    unsigned src_level,
 280                    const struct pipe_box *src_box);
 281
 282 /* si_blit.c */
 283 void si_init_blit_functions(struct si_context *sctx);
 284 void si_flush_depth_textures(struct si_context *sctx,
 285                              struct si_textures_info *textures);
 286 void si_decompress_color_textures(struct si_context *sctx,
 287                                   struct si_textures_info *textures);
 288 void si_resource_copy_region(struct pipe_context *ctx,
 289                              struct pipe_resource *dst,
 290                              unsigned dst_level,
 291                              unsigned dstx, unsigned dsty, unsigned dstz,
 292                              struct pipe_resource *src,
 293                              unsigned src_level,
 294                              const struct pipe_box *src_box);
 295
 296 /* si_cp_dma.c */
 297 void si_copy_buffer(struct si_context *sctx,
 298                     struct pipe_resource *dst, struct pipe_resource *src,
 299                     uint64_t dst_offset, uint64_t src_offset, unsigned size,
 300                     bool is_framebuffer);
 301 void si_init_cp_dma_functions(struct si_context *sctx);
 302
 303 /* si_debug.c */
 304 void si_init_debug_functions(struct si_context *sctx);
 305
 306 /* si_dma.c */
 307 void si_dma_copy(struct pipe_context *ctx,
 308                  struct pipe_resource *dst,
 309                  unsigned dst_level,
 310                  unsigned dstx, unsigned dsty, unsigned dstz,
 311                  struct pipe_resource *src,
 312                  unsigned src_level,
 313                  const struct pipe_box *src_box);
 314
 315 /* si_hw_context.c */
 316 void si_context_gfx_flush(void *context, unsigned flags,
 317                           struct pipe_fence_handle **fence);
 318 void si_begin_new_cs(struct si_context *ctx);
 319 void si_need_cs_space(struct si_context *ctx, unsigned num_dw, boolean count_draw_in);
 320
 321 /* si_compute.c */
 322 void si_init_compute_functions(struct si_context *sctx);
 323
 324 /* si_uvd.c */
 325 struct pipe_video_codec *si_uvd_create_decoder(struct pipe_context *context,
 326                                                const struct pipe_video_codec *templ);
 327
 328 struct pipe_video_buffer *si_video_buffer_create(struct pipe_context *pipe,
 329                                                  const struct pipe_video_buffer *tmpl);
 330
 331 /*
 332  * common helpers
 333  */
 334
 335 static inline struct r600_resource *
 336 si_resource_create_custom(struct pipe_screen *screen,
 337                           unsigned usage, unsigned size)
 338 {
 339         assert(size);
 340         return r600_resource(pipe_buffer_create(screen,
 341                 PIPE_BIND_CUSTOM, usage, size));
 342 }
 343
 344 static inline void
 345 si_invalidate_draw_sh_constants(struct si_context *sctx)
 346 {
 347         sctx->last_base_vertex = SI_BASE_VERTEX_UNKNOWN;
 348         sctx->last_start_instance = -1; /* reset to an unknown value */
 349         sctx->last_sh_base_reg = -1; /* reset to an unknown value */
 350 }
 351
 352 static inline void
 353 si_set_atom_dirty(struct si_context *sctx,
 354                   struct r600_atom *atom, bool dirty)
 355 {
 356         unsigned bit = 1 << (atom->id - 1);
 357
 358         if (dirty)
 359                 sctx->dirty_atoms |= bit;
 360         else
 361                 sctx->dirty_atoms &= ~bit;
 362 }
 363
 364 static inline void
 365 si_mark_atom_dirty(struct si_context *sctx,
 366                    struct r600_atom *atom)
 367 {
 368         si_set_atom_dirty(sctx, atom, true);
 369 }
 370
 371 #endif