src/mesa/drivers/dri/i965/brw_blorp.h

   1 /*
   2  * Copyright © 2012 Intel Corporation
   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  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * 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 NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  21  * IN THE SOFTWARE.
  22  */
  23
  24 #pragma once
  25
  26 #include <stdint.h>
  27
  28 #include "brw_reg.h"
  29 #include "intel_mipmap_tree.h"
  30
  31 struct brw_context;
  32 struct brw_wm_prog_key;
  33
  34 #ifdef __cplusplus
  35 extern "C" {
  36 #endif
  37
  38 void
  39 brw_blorp_blit_miptrees(struct brw_context *brw,
  40                         struct intel_mipmap_tree *src_mt,
  41                         unsigned src_level, unsigned src_layer,
  42                         mesa_format src_format, int src_swizzle,
  43                         struct intel_mipmap_tree *dst_mt,
  44                         unsigned dst_level, unsigned dst_layer,
  45                         mesa_format dst_format,
  46                         float src_x0, float src_y0,
  47                         float src_x1, float src_y1,
  48                         float dst_x0, float dst_y0,
  49                         float dst_x1, float dst_y1,
  50                         GLenum filter, bool mirror_x, bool mirror_y,
  51                         bool decode_srgb, bool encode_srgb);
  52
  53 bool
  54 brw_blorp_clear_color(struct brw_context *brw, struct gl_framebuffer *fb,
  55                       GLbitfield mask, bool partial_clear, bool encode_srgb);
  56
  57 void
  58 brw_blorp_resolve_color(struct brw_context *brw,
  59                         struct intel_mipmap_tree *mt);
  60
  61 /**
  62  * Binding table indices used by BLORP.
  63  */
  64 enum {
  65    BRW_BLORP_RENDERBUFFER_BINDING_TABLE_INDEX,
  66    BRW_BLORP_TEXTURE_BINDING_TABLE_INDEX,
  67    BRW_BLORP_NUM_BINDING_TABLE_ENTRIES
  68 };
  69
  70 struct brw_blorp_surface_info
  71 {
  72    struct intel_mipmap_tree *mt;
  73
  74    struct isl_surf surf;
  75
  76    struct isl_surf aux_surf;
  77    enum isl_aux_usage aux_usage;
  78
  79    struct isl_view view;
  80
  81    /**
  82     * The miplevel to use.
  83     */
  84    uint32_t level;
  85
  86    /**
  87     * The 2D layer within the miplevel. Combined, level and layer define the
  88     * 2D miptree slice to use.
  89     *
  90     * Note: if mt is a 2D multisample array texture on Gen7+ using
  91     * INTEL_MSAA_LAYOUT_UMS or INTEL_MSAA_LAYOUT_CMS, layer is the physical
  92     * layer holding sample 0.  So, for example, if mt->num_samples == 4, then
  93     * logical layer n corresponds to layer == 4*n.
  94     */
  95    uint32_t layer;
  96
  97    /**
  98     * Width of the miplevel to be used.  For surfaces using
  99     * INTEL_MSAA_LAYOUT_IMS, this is measured in samples, not pixels.
 100     */
 101    uint32_t width;
 102
 103    /**
 104     * Height of the miplevel to be used.  For surfaces using
 105     * INTEL_MSAA_LAYOUT_IMS, this is measured in samples, not pixels.
 106     */
 107    uint32_t height;
 108
 109    uint32_t bo_offset;
 110    uint32_t tile_x_sa, tile_y_sa;
 111 };
 112
 113 void
 114 brw_blorp_surface_info_init(struct brw_context *brw,
 115                             struct brw_blorp_surface_info *info,
 116                             struct intel_mipmap_tree *mt,
 117                             unsigned int level, unsigned int layer,
 118                             mesa_format format, bool is_render_target);
 119
 120
 121 struct brw_blorp_coord_transform
 122 {
 123    float multiplier;
 124    float offset;
 125 };
 126
 127 /**
 128  * Bounding rectangle telling pixel discard which pixels are not to be
 129  * touched. This is needed in when surfaces are configured as something else
 130  * what they really are:
 131  *
 132  *    - writing W-tiled stencil as Y-tiled
 133  *    - writing interleaved multisampled as single sampled.
 134  *
 135  * See blorp_nir_discard_if_outside_rect().
 136  */
 137 struct brw_blorp_discard_rect
 138 {
 139    uint32_t x0;
 140    uint32_t x1;
 141    uint32_t y0;
 142    uint32_t y1;
 143 };
 144
 145 /**
 146  * Grid needed for blended and scaled blits of integer formats, see
 147  * blorp_nir_manual_blend_bilinear().
 148  */
 149 struct brw_blorp_rect_grid
 150 {
 151    float x1;
 152    float y1;
 153    float pad[2];
 154 };
 155
 156 struct brw_blorp_wm_inputs
 157 {
 158    struct brw_blorp_discard_rect discard_rect;
 159    struct brw_blorp_rect_grid rect_grid;
 160    struct brw_blorp_coord_transform coord_transform[2];
 161
 162    /* Minimum layer setting works for all the textures types but texture_3d
 163     * for which the setting has no effect. Use the z-coordinate instead.
 164     */
 165    uint32_t src_z;
 166
 167    /* Pad out to an integral number of registers */
 168    uint32_t pad[3];
 169 };
 170
 171 struct brw_blorp_prog_data
 172 {
 173    bool dispatch_8;
 174    bool dispatch_16;
 175
 176    uint8_t first_curbe_grf_0;
 177    uint8_t first_curbe_grf_2;
 178
 179    uint32_t ksp_offset_2;
 180
 181    /**
 182     * True if the WM program should be run in MSDISPMODE_PERSAMPLE with more
 183     * than one sample per pixel.
 184     */
 185    bool persample_msaa_dispatch;
 186
 187    /**
 188     * Mask of which FS inputs are marked flat by the shader source.  This is
 189     * needed for setting up 3DSTATE_SF/SBE.
 190     */
 191    uint32_t flat_inputs;
 192    unsigned num_varying_inputs;
 193    GLbitfield64 inputs_read;
 194 };
 195
 196 static inline unsigned
 197 brw_blorp_get_urb_length(const struct brw_blorp_prog_data *prog_data)
 198 {
 199    if (prog_data == NULL)
 200       return 1;
 201
 202    /* From the BSpec: 3D Pipeline - Strips and Fans - 3DSTATE_SBE
 203     *
 204     * read_length = ceiling((max_source_attr+1)/2)
 205     */
 206    return MAX2((prog_data->num_varying_inputs + 1) / 2, 1);
 207 }
 208
 209 struct brw_blorp_params
 210 {
 211    uint32_t x0;
 212    uint32_t y0;
 213    uint32_t x1;
 214    uint32_t y1;
 215    struct brw_blorp_surface_info depth;
 216    uint32_t depth_format;
 217    struct brw_blorp_surface_info src;
 218    struct brw_blorp_surface_info dst;
 219    enum gen6_hiz_op hiz_op;
 220    union {
 221       unsigned fast_clear_op;
 222       unsigned resolve_type;
 223    };
 224    bool color_write_disable[4];
 225    struct brw_blorp_wm_inputs wm_inputs;
 226    unsigned num_draw_buffers;
 227    unsigned num_layers;
 228    uint32_t wm_prog_kernel;
 229    struct brw_blorp_prog_data *wm_prog_data;
 230 };
 231
 232 void
 233 brw_blorp_params_init(struct brw_blorp_params *params);
 234
 235 void
 236 brw_blorp_exec(struct brw_context *brw, const struct brw_blorp_params *params);
 237
 238 void
 239 gen6_blorp_hiz_exec(struct brw_context *brw, struct intel_mipmap_tree *mt,
 240                     unsigned level, unsigned layer, enum gen6_hiz_op op);
 241
 242 void
 243 gen6_blorp_exec(struct brw_context *brw,
 244                 const struct brw_blorp_params *params);
 245
 246 void
 247 gen7_blorp_exec(struct brw_context *brw,
 248                 const struct brw_blorp_params *params);
 249
 250 void
 251 gen8_blorp_exec(struct brw_context *brw, const struct brw_blorp_params *params);
 252
 253 struct brw_blorp_blit_prog_key
 254 {
 255    /* Number of samples per pixel that have been configured in the surface
 256     * state for texturing from.
 257     */
 258    unsigned tex_samples;
 259
 260    /* MSAA layout that has been configured in the surface state for texturing
 261     * from.
 262     */
 263    enum isl_msaa_layout tex_layout;
 264
 265    enum isl_aux_usage tex_aux_usage;
 266
 267    /* Actual number of samples per pixel in the source image. */
 268    unsigned src_samples;
 269
 270    /* Actual MSAA layout used by the source image. */
 271    enum isl_msaa_layout src_layout;
 272
 273    /* Number of samples per pixel that have been configured in the render
 274     * target.
 275     */
 276    unsigned rt_samples;
 277
 278    /* MSAA layout that has been configured in the render target. */
 279    enum isl_msaa_layout rt_layout;
 280
 281    /* Actual number of samples per pixel in the destination image. */
 282    unsigned dst_samples;
 283
 284    /* Actual MSAA layout used by the destination image. */
 285    enum isl_msaa_layout dst_layout;
 286
 287    /* Type of the data to be read from the texture (one of
 288     * BRW_REGISTER_TYPE_{UD,D,F}).
 289     */
 290    enum brw_reg_type texture_data_type;
 291
 292    /* True if the source image is W tiled.  If true, the surface state for the
 293     * source image must be configured as Y tiled, and tex_samples must be 0.
 294     */
 295    bool src_tiled_w;
 296
 297    /* True if the destination image is W tiled.  If true, the surface state
 298     * for the render target must be configured as Y tiled, and rt_samples must
 299     * be 0.
 300     */
 301    bool dst_tiled_w;
 302
 303    /* True if all source samples should be blended together to produce each
 304     * destination pixel.  If true, src_tiled_w must be false, tex_samples must
 305     * equal src_samples, and tex_samples must be nonzero.
 306     */
 307    bool blend;
 308
 309    /* True if the rectangle being sent through the rendering pipeline might be
 310     * larger than the destination rectangle, so the WM program should kill any
 311     * pixels that are outside the destination rectangle.
 312     */
 313    bool use_kill;
 314
 315    /**
 316     * True if the WM program should be run in MSDISPMODE_PERSAMPLE with more
 317     * than one sample per pixel.
 318     */
 319    bool persample_msaa_dispatch;
 320
 321    /* True for scaled blitting. */
 322    bool blit_scaled;
 323
 324    /* Scale factors between the pixel grid and the grid of samples. We're
 325     * using grid of samples for bilinear filetring in multisample scaled blits.
 326     */
 327    float x_scale;
 328    float y_scale;
 329
 330    /* True for blits with filter = GL_LINEAR. */
 331    bool bilinear_filter;
 332 };
 333
 334 /**
 335  * \name BLORP internals
 336  * \{
 337  *
 338  * Used internally by gen6_blorp_exec() and gen7_blorp_exec().
 339  */
 340
 341 void brw_blorp_init_wm_prog_key(struct brw_wm_prog_key *wm_key);
 342
 343 const unsigned *
 344 brw_blorp_compile_nir_shader(struct brw_context *brw, struct nir_shader *nir,
 345                              const struct brw_wm_prog_key *wm_key,
 346                              bool use_repclear,
 347                              struct brw_blorp_prog_data *prog_data,
 348                              unsigned *program_size);
 349
 350 uint32_t
 351 brw_blorp_emit_surface_state(struct brw_context *brw,
 352                              const struct brw_blorp_surface_info *surface,
 353                              uint32_t read_domains, uint32_t write_domain,
 354                              bool is_render_target);
 355
 356 void
 357 gen6_blorp_init(struct brw_context *brw);
 358
 359 void
 360 gen6_blorp_emit_vertices(struct brw_context *brw,
 361                          const struct brw_blorp_params *params);
 362
 363 uint32_t
 364 gen6_blorp_emit_blend_state(struct brw_context *brw,
 365                             const struct brw_blorp_params *params);
 366
 367 uint32_t
 368 gen6_blorp_emit_cc_state(struct brw_context *brw);
 369
 370 uint32_t
 371 gen6_blorp_emit_wm_constants(struct brw_context *brw,
 372                              const struct brw_blorp_params *params);
 373
 374 void
 375 gen6_blorp_emit_vs_disable(struct brw_context *brw,
 376                            const struct brw_blorp_params *params);
 377
 378 uint32_t
 379 gen6_blorp_emit_binding_table(struct brw_context *brw,
 380                               uint32_t wm_surf_offset_renderbuffer,
 381                               uint32_t wm_surf_offset_texture);
 382
 383 uint32_t
 384 gen6_blorp_emit_depth_stencil_state(struct brw_context *brw,
 385                                     const struct brw_blorp_params *params);
 386
 387 void
 388 gen6_blorp_emit_gs_disable(struct brw_context *brw,
 389                            const struct brw_blorp_params *params);
 390
 391 void
 392 gen6_blorp_emit_clip_disable(struct brw_context *brw);
 393
 394 void
 395 gen6_blorp_emit_drawing_rectangle(struct brw_context *brw,
 396                                   const struct brw_blorp_params *params);
 397
 398 uint32_t
 399 gen6_blorp_emit_sampler_state(struct brw_context *brw,
 400                               unsigned tex_filter, unsigned max_lod,
 401                               bool non_normalized_coords);
 402 void
 403 gen7_blorp_emit_urb_config(struct brw_context *brw,
 404                            const struct brw_blorp_params *params);
 405
 406 void
 407 gen7_blorp_emit_blend_state_pointer(struct brw_context *brw,
 408                                     uint32_t cc_blend_state_offset);
 409
 410 void
 411 gen7_blorp_emit_cc_state_pointer(struct brw_context *brw,
 412                                  uint32_t cc_state_offset);
 413
 414 void
 415 gen7_blorp_emit_cc_viewport(struct brw_context *brw);
 416
 417 void
 418 gen7_blorp_emit_te_disable(struct brw_context *brw);
 419
 420 void
 421 gen7_blorp_emit_binding_table_pointers_ps(struct brw_context *brw,
 422                                           uint32_t wm_bind_bo_offset);
 423
 424 void
 425 gen7_blorp_emit_sampler_state_pointers_ps(struct brw_context *brw,
 426                                           uint32_t sampler_offset);
 427
 428 void
 429 gen7_blorp_emit_clear_params(struct brw_context *brw,
 430                              const struct brw_blorp_params *params);
 431
 432 void
 433 gen7_blorp_emit_constant_ps(struct brw_context *brw,
 434                             uint32_t wm_push_const_offset);
 435
 436 void
 437 gen7_blorp_emit_constant_ps_disable(struct brw_context *brw);
 438
 439 void
 440 gen7_blorp_emit_primitive(struct brw_context *brw,
 441                           const struct brw_blorp_params *params);
 442
 443 /** \} */
 444
 445 #ifdef __cplusplus
 446 } /* end extern "C" */
 447 #endif /* __cplusplus */