src/mesa/drivers/dri/i965/blorp_priv.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 "blorp.h"
  29 #include "brw_reg.h"
  30
  31 #ifdef __cplusplus
  32 extern "C" {
  33 #endif
  34
  35 /**
  36  * Binding table indices used by BLORP.
  37  */
  38 enum {
  39    BRW_BLORP_RENDERBUFFER_BINDING_TABLE_INDEX,
  40    BRW_BLORP_TEXTURE_BINDING_TABLE_INDEX,
  41    BRW_BLORP_NUM_BINDING_TABLE_ENTRIES
  42 };
  43
  44 struct brw_blorp_surface_info
  45 {
  46    struct isl_surf surf;
  47    drm_intel_bo *bo;
  48    uint32_t offset;
  49
  50    struct isl_surf aux_surf;
  51    drm_intel_bo *aux_bo;
  52    uint32_t aux_offset;
  53    enum isl_aux_usage aux_usage;
  54
  55    union isl_color_value clear_color;
  56
  57    struct isl_view view;
  58
  59    /* Z offset into a 3-D texture or slice of a 2-D array texture. */
  60    uint32_t z_offset;
  61
  62    uint32_t tile_x_sa, tile_y_sa;
  63 };
  64
  65 void
  66 brw_blorp_surface_info_init(struct brw_context *brw,
  67                             struct brw_blorp_surface_info *info,
  68                             const struct brw_blorp_surf *surf,
  69                             unsigned int level, unsigned int layer,
  70                             enum isl_format format, bool is_render_target);
  71
  72
  73 struct brw_blorp_coord_transform
  74 {
  75    float multiplier;
  76    float offset;
  77 };
  78
  79 /**
  80  * Bounding rectangle telling pixel discard which pixels are not to be
  81  * touched. This is needed in when surfaces are configured as something else
  82  * what they really are:
  83  *
  84  *    - writing W-tiled stencil as Y-tiled
  85  *    - writing interleaved multisampled as single sampled.
  86  *
  87  * See blorp_nir_discard_if_outside_rect().
  88  */
  89 struct brw_blorp_discard_rect
  90 {
  91    uint32_t x0;
  92    uint32_t x1;
  93    uint32_t y0;
  94    uint32_t y1;
  95 };
  96
  97 /**
  98  * Grid needed for blended and scaled blits of integer formats, see
  99  * blorp_nir_manual_blend_bilinear().
 100  */
 101 struct brw_blorp_rect_grid
 102 {
 103    float x1;
 104    float y1;
 105    float pad[2];
 106 };
 107
 108 struct brw_blorp_wm_inputs
 109 {
 110    struct brw_blorp_discard_rect discard_rect;
 111    struct brw_blorp_rect_grid rect_grid;
 112    struct brw_blorp_coord_transform coord_transform[2];
 113
 114    /* Minimum layer setting works for all the textures types but texture_3d
 115     * for which the setting has no effect. Use the z-coordinate instead.
 116     */
 117    uint32_t src_z;
 118
 119    /* Pad out to an integral number of registers */
 120    uint32_t pad[3];
 121 };
 122
 123 struct brw_blorp_prog_data
 124 {
 125    bool dispatch_8;
 126    bool dispatch_16;
 127
 128    uint8_t first_curbe_grf_0;
 129    uint8_t first_curbe_grf_2;
 130
 131    uint32_t ksp_offset_2;
 132
 133    /**
 134     * True if the WM program should be run in MSDISPMODE_PERSAMPLE with more
 135     * than one sample per pixel.
 136     */
 137    bool persample_msaa_dispatch;
 138
 139    /**
 140     * Mask of which FS inputs are marked flat by the shader source.  This is
 141     * needed for setting up 3DSTATE_SF/SBE.
 142     */
 143    uint32_t flat_inputs;
 144    unsigned num_varying_inputs;
 145    GLbitfield64 inputs_read;
 146 };
 147
 148 static inline unsigned
 149 brw_blorp_get_urb_length(const struct brw_blorp_prog_data *prog_data)
 150 {
 151    if (prog_data == NULL)
 152       return 1;
 153
 154    /* From the BSpec: 3D Pipeline - Strips and Fans - 3DSTATE_SBE
 155     *
 156     * read_length = ceiling((max_source_attr+1)/2)
 157     */
 158    return MAX2((prog_data->num_varying_inputs + 1) / 2, 1);
 159 }
 160
 161 struct brw_blorp_params
 162 {
 163    uint32_t x0;
 164    uint32_t y0;
 165    uint32_t x1;
 166    uint32_t y1;
 167    struct brw_blorp_surface_info depth;
 168    uint32_t depth_format;
 169    struct brw_blorp_surface_info src;
 170    struct brw_blorp_surface_info dst;
 171    enum gen6_hiz_op hiz_op;
 172    union {
 173       unsigned fast_clear_op;
 174       unsigned resolve_type;
 175    };
 176    bool color_write_disable[4];
 177    struct brw_blorp_wm_inputs wm_inputs;
 178    unsigned num_draw_buffers;
 179    unsigned num_layers;
 180    uint32_t wm_prog_kernel;
 181    struct brw_blorp_prog_data *wm_prog_data;
 182 };
 183
 184 void
 185 brw_blorp_params_init(struct brw_blorp_params *params);
 186
 187 void
 188 brw_blorp_exec(struct brw_context *brw, const struct brw_blorp_params *params);
 189
 190 void
 191 gen6_blorp_exec(struct brw_context *brw,
 192                 const struct brw_blorp_params *params);
 193
 194 void
 195 gen7_blorp_exec(struct brw_context *brw,
 196                 const struct brw_blorp_params *params);
 197
 198 void
 199 gen8_blorp_exec(struct brw_context *brw, const struct brw_blorp_params *params);
 200
 201 struct brw_blorp_blit_prog_key
 202 {
 203    /* Number of samples per pixel that have been configured in the surface
 204     * state for texturing from.
 205     */
 206    unsigned tex_samples;
 207
 208    /* MSAA layout that has been configured in the surface state for texturing
 209     * from.
 210     */
 211    enum isl_msaa_layout tex_layout;
 212
 213    enum isl_aux_usage tex_aux_usage;
 214
 215    /* Actual number of samples per pixel in the source image. */
 216    unsigned src_samples;
 217
 218    /* Actual MSAA layout used by the source image. */
 219    enum isl_msaa_layout src_layout;
 220
 221    /* Number of samples per pixel that have been configured in the render
 222     * target.
 223     */
 224    unsigned rt_samples;
 225
 226    /* MSAA layout that has been configured in the render target. */
 227    enum isl_msaa_layout rt_layout;
 228
 229    /* Actual number of samples per pixel in the destination image. */
 230    unsigned dst_samples;
 231
 232    /* Actual MSAA layout used by the destination image. */
 233    enum isl_msaa_layout dst_layout;
 234
 235    /* Type of the data to be read from the texture (one of
 236     * BRW_REGISTER_TYPE_{UD,D,F}).
 237     */
 238    enum brw_reg_type texture_data_type;
 239
 240    /* True if the source image is W tiled.  If true, the surface state for the
 241     * source image must be configured as Y tiled, and tex_samples must be 0.
 242     */
 243    bool src_tiled_w;
 244
 245    /* True if the destination image is W tiled.  If true, the surface state
 246     * for the render target must be configured as Y tiled, and rt_samples must
 247     * be 0.
 248     */
 249    bool dst_tiled_w;
 250
 251    /* True if all source samples should be blended together to produce each
 252     * destination pixel.  If true, src_tiled_w must be false, tex_samples must
 253     * equal src_samples, and tex_samples must be nonzero.
 254     */
 255    bool blend;
 256
 257    /* True if the rectangle being sent through the rendering pipeline might be
 258     * larger than the destination rectangle, so the WM program should kill any
 259     * pixels that are outside the destination rectangle.
 260     */
 261    bool use_kill;
 262
 263    /**
 264     * True if the WM program should be run in MSDISPMODE_PERSAMPLE with more
 265     * than one sample per pixel.
 266     */
 267    bool persample_msaa_dispatch;
 268
 269    /* True for scaled blitting. */
 270    bool blit_scaled;
 271
 272    /* Scale factors between the pixel grid and the grid of samples. We're
 273     * using grid of samples for bilinear filetring in multisample scaled blits.
 274     */
 275    float x_scale;
 276    float y_scale;
 277
 278    /* True for blits with filter = GL_LINEAR. */
 279    bool bilinear_filter;
 280 };
 281
 282 /**
 283  * \name BLORP internals
 284  * \{
 285  *
 286  * Used internally by gen6_blorp_exec() and gen7_blorp_exec().
 287  */
 288
 289 void brw_blorp_init_wm_prog_key(struct brw_wm_prog_key *wm_key);
 290
 291 const unsigned *
 292 brw_blorp_compile_nir_shader(struct brw_context *brw, struct nir_shader *nir,
 293                              const struct brw_wm_prog_key *wm_key,
 294                              bool use_repclear,
 295                              struct brw_blorp_prog_data *prog_data,
 296                              unsigned *program_size);
 297
 298 uint32_t
 299 brw_blorp_emit_surface_state(struct brw_context *brw,
 300                              const struct brw_blorp_surface_info *surface,
 301                              uint32_t read_domains, uint32_t write_domain,
 302                              bool is_render_target);
 303
 304 void
 305 gen6_blorp_init(struct brw_context *brw);
 306
 307 void
 308 gen6_blorp_emit_vertices(struct brw_context *brw,
 309                          const struct brw_blorp_params *params);
 310
 311 uint32_t
 312 gen6_blorp_emit_blend_state(struct brw_context *brw,
 313                             const struct brw_blorp_params *params);
 314
 315 uint32_t
 316 gen6_blorp_emit_cc_state(struct brw_context *brw);
 317
 318 uint32_t
 319 gen6_blorp_emit_wm_constants(struct brw_context *brw,
 320                              const struct brw_blorp_params *params);
 321
 322 void
 323 gen6_blorp_emit_vs_disable(struct brw_context *brw,
 324                            const struct brw_blorp_params *params);
 325
 326 uint32_t
 327 gen6_blorp_emit_binding_table(struct brw_context *brw,
 328                               uint32_t wm_surf_offset_renderbuffer,
 329                               uint32_t wm_surf_offset_texture);
 330
 331 uint32_t
 332 gen6_blorp_emit_depth_stencil_state(struct brw_context *brw,
 333                                     const struct brw_blorp_params *params);
 334
 335 void
 336 gen6_blorp_emit_gs_disable(struct brw_context *brw,
 337                            const struct brw_blorp_params *params);
 338
 339 void
 340 gen6_blorp_emit_clip_disable(struct brw_context *brw);
 341
 342 void
 343 gen6_blorp_emit_drawing_rectangle(struct brw_context *brw,
 344                                   const struct brw_blorp_params *params);
 345
 346 uint32_t
 347 gen6_blorp_emit_sampler_state(struct brw_context *brw,
 348                               unsigned tex_filter, unsigned max_lod,
 349                               bool non_normalized_coords);
 350 void
 351 gen7_blorp_emit_urb_config(struct brw_context *brw,
 352                            const struct brw_blorp_params *params);
 353
 354 void
 355 gen7_blorp_emit_blend_state_pointer(struct brw_context *brw,
 356                                     uint32_t cc_blend_state_offset);
 357
 358 void
 359 gen7_blorp_emit_cc_state_pointer(struct brw_context *brw,
 360                                  uint32_t cc_state_offset);
 361
 362 void
 363 gen7_blorp_emit_cc_viewport(struct brw_context *brw);
 364
 365 void
 366 gen7_blorp_emit_te_disable(struct brw_context *brw);
 367
 368 void
 369 gen7_blorp_emit_binding_table_pointers_ps(struct brw_context *brw,
 370                                           uint32_t wm_bind_bo_offset);
 371
 372 void
 373 gen7_blorp_emit_sampler_state_pointers_ps(struct brw_context *brw,
 374                                           uint32_t sampler_offset);
 375
 376 void
 377 gen7_blorp_emit_clear_params(struct brw_context *brw,
 378                              const struct brw_blorp_params *params);
 379
 380 void
 381 gen7_blorp_emit_constant_ps(struct brw_context *brw,
 382                             uint32_t wm_push_const_offset);
 383
 384 void
 385 gen7_blorp_emit_constant_ps_disable(struct brw_context *brw);
 386
 387 void
 388 gen7_blorp_emit_primitive(struct brw_context *brw,
 389                           const struct brw_blorp_params *params);
 390
 391 /** \} */
 392
 393 #ifdef __cplusplus
 394 } /* end extern "C" */
 395 #endif /* __cplusplus */