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    /* Z offset into a 3-D texture or slice of a 2-D array texture. */
  82    uint32_t z_offset;
  83
  84    uint32_t bo_offset;
  85    uint32_t tile_x_sa, tile_y_sa;
  86 };
  87
  88 void
  89 brw_blorp_surface_info_init(struct brw_context *brw,
  90                             struct brw_blorp_surface_info *info,
  91                             struct intel_mipmap_tree *mt,
  92                             unsigned int level, unsigned int layer,
  93                             mesa_format format, bool is_render_target);
  94
  95
  96 struct brw_blorp_coord_transform
  97 {
  98    float multiplier;
  99    float offset;
 100 };
 101
 102 /**
 103  * Bounding rectangle telling pixel discard which pixels are not to be
 104  * touched. This is needed in when surfaces are configured as something else
 105  * what they really are:
 106  *
 107  *    - writing W-tiled stencil as Y-tiled
 108  *    - writing interleaved multisampled as single sampled.
 109  *
 110  * See blorp_nir_discard_if_outside_rect().
 111  */
 112 struct brw_blorp_discard_rect
 113 {
 114    uint32_t x0;
 115    uint32_t x1;
 116    uint32_t y0;
 117    uint32_t y1;
 118 };
 119
 120 /**
 121  * Grid needed for blended and scaled blits of integer formats, see
 122  * blorp_nir_manual_blend_bilinear().
 123  */
 124 struct brw_blorp_rect_grid
 125 {
 126    float x1;
 127    float y1;
 128    float pad[2];
 129 };
 130
 131 struct brw_blorp_wm_inputs
 132 {
 133    struct brw_blorp_discard_rect discard_rect;
 134    struct brw_blorp_rect_grid rect_grid;
 135    struct brw_blorp_coord_transform coord_transform[2];
 136
 137    /* Minimum layer setting works for all the textures types but texture_3d
 138     * for which the setting has no effect. Use the z-coordinate instead.
 139     */
 140    uint32_t src_z;
 141
 142    /* Pad out to an integral number of registers */
 143    uint32_t pad[3];
 144 };
 145
 146 struct brw_blorp_prog_data
 147 {
 148    bool dispatch_8;
 149    bool dispatch_16;
 150
 151    uint8_t first_curbe_grf_0;
 152    uint8_t first_curbe_grf_2;
 153
 154    uint32_t ksp_offset_2;
 155
 156    /**
 157     * True if the WM program should be run in MSDISPMODE_PERSAMPLE with more
 158     * than one sample per pixel.
 159     */
 160    bool persample_msaa_dispatch;
 161
 162    /**
 163     * Mask of which FS inputs are marked flat by the shader source.  This is
 164     * needed for setting up 3DSTATE_SF/SBE.
 165     */
 166    uint32_t flat_inputs;
 167    unsigned num_varying_inputs;
 168    GLbitfield64 inputs_read;
 169 };
 170
 171 static inline unsigned
 172 brw_blorp_get_urb_length(const struct brw_blorp_prog_data *prog_data)
 173 {
 174    if (prog_data == NULL)
 175       return 1;
 176
 177    /* From the BSpec: 3D Pipeline - Strips and Fans - 3DSTATE_SBE
 178     *
 179     * read_length = ceiling((max_source_attr+1)/2)
 180     */
 181    return MAX2((prog_data->num_varying_inputs + 1) / 2, 1);
 182 }
 183
 184 struct brw_blorp_params
 185 {
 186    uint32_t x0;
 187    uint32_t y0;
 188    uint32_t x1;
 189    uint32_t y1;
 190    struct brw_blorp_surface_info depth;
 191    uint32_t depth_format;
 192    struct brw_blorp_surface_info src;
 193    struct brw_blorp_surface_info dst;
 194    enum gen6_hiz_op hiz_op;
 195    union {
 196       unsigned fast_clear_op;
 197       unsigned resolve_type;
 198    };
 199    bool color_write_disable[4];
 200    struct brw_blorp_wm_inputs wm_inputs;
 201    unsigned num_draw_buffers;
 202    unsigned num_layers;
 203    uint32_t wm_prog_kernel;
 204    struct brw_blorp_prog_data *wm_prog_data;
 205 };
 206
 207 void
 208 brw_blorp_params_init(struct brw_blorp_params *params);
 209
 210 void
 211 brw_blorp_exec(struct brw_context *brw, const struct brw_blorp_params *params);
 212
 213 void
 214 gen6_blorp_hiz_exec(struct brw_context *brw, struct intel_mipmap_tree *mt,
 215                     unsigned level, unsigned layer, enum gen6_hiz_op op);
 216
 217 void
 218 gen6_blorp_exec(struct brw_context *brw,
 219                 const struct brw_blorp_params *params);
 220
 221 void
 222 gen7_blorp_exec(struct brw_context *brw,
 223                 const struct brw_blorp_params *params);
 224
 225 void
 226 gen8_blorp_exec(struct brw_context *brw, const struct brw_blorp_params *params);
 227
 228 struct brw_blorp_blit_prog_key
 229 {
 230    /* Number of samples per pixel that have been configured in the surface
 231     * state for texturing from.
 232     */
 233    unsigned tex_samples;
 234
 235    /* MSAA layout that has been configured in the surface state for texturing
 236     * from.
 237     */
 238    enum isl_msaa_layout tex_layout;
 239
 240    enum isl_aux_usage tex_aux_usage;
 241
 242    /* Actual number of samples per pixel in the source image. */
 243    unsigned src_samples;
 244
 245    /* Actual MSAA layout used by the source image. */
 246    enum isl_msaa_layout src_layout;
 247
 248    /* Number of samples per pixel that have been configured in the render
 249     * target.
 250     */
 251    unsigned rt_samples;
 252
 253    /* MSAA layout that has been configured in the render target. */
 254    enum isl_msaa_layout rt_layout;
 255
 256    /* Actual number of samples per pixel in the destination image. */
 257    unsigned dst_samples;
 258
 259    /* Actual MSAA layout used by the destination image. */
 260    enum isl_msaa_layout dst_layout;
 261
 262    /* Type of the data to be read from the texture (one of
 263     * BRW_REGISTER_TYPE_{UD,D,F}).
 264     */
 265    enum brw_reg_type texture_data_type;
 266
 267    /* True if the source image is W tiled.  If true, the surface state for the
 268     * source image must be configured as Y tiled, and tex_samples must be 0.
 269     */
 270    bool src_tiled_w;
 271
 272    /* True if the destination image is W tiled.  If true, the surface state
 273     * for the render target must be configured as Y tiled, and rt_samples must
 274     * be 0.
 275     */
 276    bool dst_tiled_w;
 277
 278    /* True if all source samples should be blended together to produce each
 279     * destination pixel.  If true, src_tiled_w must be false, tex_samples must
 280     * equal src_samples, and tex_samples must be nonzero.
 281     */
 282    bool blend;
 283
 284    /* True if the rectangle being sent through the rendering pipeline might be
 285     * larger than the destination rectangle, so the WM program should kill any
 286     * pixels that are outside the destination rectangle.
 287     */
 288    bool use_kill;
 289
 290    /**
 291     * True if the WM program should be run in MSDISPMODE_PERSAMPLE with more
 292     * than one sample per pixel.
 293     */
 294    bool persample_msaa_dispatch;
 295
 296    /* True for scaled blitting. */
 297    bool blit_scaled;
 298
 299    /* Scale factors between the pixel grid and the grid of samples. We're
 300     * using grid of samples for bilinear filetring in multisample scaled blits.
 301     */
 302    float x_scale;
 303    float y_scale;
 304
 305    /* True for blits with filter = GL_LINEAR. */
 306    bool bilinear_filter;
 307 };
 308
 309 /**
 310  * \name BLORP internals
 311  * \{
 312  *
 313  * Used internally by gen6_blorp_exec() and gen7_blorp_exec().
 314  */
 315
 316 void brw_blorp_init_wm_prog_key(struct brw_wm_prog_key *wm_key);
 317
 318 const unsigned *
 319 brw_blorp_compile_nir_shader(struct brw_context *brw, struct nir_shader *nir,
 320                              const struct brw_wm_prog_key *wm_key,
 321                              bool use_repclear,
 322                              struct brw_blorp_prog_data *prog_data,
 323                              unsigned *program_size);
 324
 325 void
 326 blorp_get_image_offset_sa(struct isl_device *dev, const struct isl_surf *surf,
 327                           uint32_t level, uint32_t layer,
 328                           uint32_t *x_offset_sa,
 329                           uint32_t *y_offset_sa);
 330
 331 uint32_t
 332 brw_blorp_emit_surface_state(struct brw_context *brw,
 333                              const struct brw_blorp_surface_info *surface,
 334                              uint32_t read_domains, uint32_t write_domain,
 335                              bool is_render_target);
 336
 337 void
 338 gen6_blorp_init(struct brw_context *brw);
 339
 340 void
 341 gen6_blorp_emit_vertices(struct brw_context *brw,
 342                          const struct brw_blorp_params *params);
 343
 344 uint32_t
 345 gen6_blorp_emit_blend_state(struct brw_context *brw,
 346                             const struct brw_blorp_params *params);
 347
 348 uint32_t
 349 gen6_blorp_emit_cc_state(struct brw_context *brw);
 350
 351 uint32_t
 352 gen6_blorp_emit_wm_constants(struct brw_context *brw,
 353                              const struct brw_blorp_params *params);
 354
 355 void
 356 gen6_blorp_emit_vs_disable(struct brw_context *brw,
 357                            const struct brw_blorp_params *params);
 358
 359 uint32_t
 360 gen6_blorp_emit_binding_table(struct brw_context *brw,
 361                               uint32_t wm_surf_offset_renderbuffer,
 362                               uint32_t wm_surf_offset_texture);
 363
 364 uint32_t
 365 gen6_blorp_emit_depth_stencil_state(struct brw_context *brw,
 366                                     const struct brw_blorp_params *params);
 367
 368 void
 369 gen6_blorp_emit_gs_disable(struct brw_context *brw,
 370                            const struct brw_blorp_params *params);
 371
 372 void
 373 gen6_blorp_emit_clip_disable(struct brw_context *brw);
 374
 375 void
 376 gen6_blorp_emit_drawing_rectangle(struct brw_context *brw,
 377                                   const struct brw_blorp_params *params);
 378
 379 uint32_t
 380 gen6_blorp_emit_sampler_state(struct brw_context *brw,
 381                               unsigned tex_filter, unsigned max_lod,
 382                               bool non_normalized_coords);
 383 void
 384 gen7_blorp_emit_urb_config(struct brw_context *brw,
 385                            const struct brw_blorp_params *params);
 386
 387 void
 388 gen7_blorp_emit_blend_state_pointer(struct brw_context *brw,
 389                                     uint32_t cc_blend_state_offset);
 390
 391 void
 392 gen7_blorp_emit_cc_state_pointer(struct brw_context *brw,
 393                                  uint32_t cc_state_offset);
 394
 395 void
 396 gen7_blorp_emit_cc_viewport(struct brw_context *brw);
 397
 398 void
 399 gen7_blorp_emit_te_disable(struct brw_context *brw);
 400
 401 void
 402 gen7_blorp_emit_binding_table_pointers_ps(struct brw_context *brw,
 403                                           uint32_t wm_bind_bo_offset);
 404
 405 void
 406 gen7_blorp_emit_sampler_state_pointers_ps(struct brw_context *brw,
 407                                           uint32_t sampler_offset);
 408
 409 void
 410 gen7_blorp_emit_clear_params(struct brw_context *brw,
 411                              const struct brw_blorp_params *params);
 412
 413 void
 414 gen7_blorp_emit_constant_ps(struct brw_context *brw,
 415                             uint32_t wm_push_const_offset);
 416
 417 void
 418 gen7_blorp_emit_constant_ps_disable(struct brw_context *brw);
 419
 420 void
 421 gen7_blorp_emit_primitive(struct brw_context *brw,
 422                           const struct brw_blorp_params *params);
 423
 424 /** \} */
 425
 426 #ifdef __cplusplus
 427 } /* end extern "C" */
 428 #endif /* __cplusplus */