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 isl_surf surf;
  73    drm_intel_bo *bo;
  74    uint32_t offset;
  75
  76    struct isl_surf aux_surf;
  77    drm_intel_bo *aux_bo;
  78    uint32_t aux_offset;
  79    enum isl_aux_usage aux_usage;
  80
  81    union isl_color_value clear_color;
  82
  83    struct isl_view view;
  84
  85    /* Z offset into a 3-D texture or slice of a 2-D array texture. */
  86    uint32_t z_offset;
  87
  88    uint32_t tile_x_sa, tile_y_sa;
  89 };
  90
  91 void
  92 brw_blorp_surface_info_init(struct brw_context *brw,
  93                             struct brw_blorp_surface_info *info,
  94                             struct intel_mipmap_tree *mt,
  95                             unsigned int level, unsigned int layer,
  96                             mesa_format format, bool is_render_target);
  97
  98
  99 struct brw_blorp_coord_transform
 100 {
 101    float multiplier;
 102    float offset;
 103 };
 104
 105 /**
 106  * Bounding rectangle telling pixel discard which pixels are not to be
 107  * touched. This is needed in when surfaces are configured as something else
 108  * what they really are:
 109  *
 110  *    - writing W-tiled stencil as Y-tiled
 111  *    - writing interleaved multisampled as single sampled.
 112  *
 113  * See blorp_nir_discard_if_outside_rect().
 114  */
 115 struct brw_blorp_discard_rect
 116 {
 117    uint32_t x0;
 118    uint32_t x1;
 119    uint32_t y0;
 120    uint32_t y1;
 121 };
 122
 123 /**
 124  * Grid needed for blended and scaled blits of integer formats, see
 125  * blorp_nir_manual_blend_bilinear().
 126  */
 127 struct brw_blorp_rect_grid
 128 {
 129    float x1;
 130    float y1;
 131    float pad[2];
 132 };
 133
 134 struct brw_blorp_wm_inputs
 135 {
 136    struct brw_blorp_discard_rect discard_rect;
 137    struct brw_blorp_rect_grid rect_grid;
 138    struct brw_blorp_coord_transform coord_transform[2];
 139
 140    /* Minimum layer setting works for all the textures types but texture_3d
 141     * for which the setting has no effect. Use the z-coordinate instead.
 142     */
 143    uint32_t src_z;
 144
 145    /* Pad out to an integral number of registers */
 146    uint32_t pad[3];
 147 };
 148
 149 struct brw_blorp_prog_data
 150 {
 151    bool dispatch_8;
 152    bool dispatch_16;
 153
 154    uint8_t first_curbe_grf_0;
 155    uint8_t first_curbe_grf_2;
 156
 157    uint32_t ksp_offset_2;
 158
 159    /**
 160     * True if the WM program should be run in MSDISPMODE_PERSAMPLE with more
 161     * than one sample per pixel.
 162     */
 163    bool persample_msaa_dispatch;
 164
 165    /**
 166     * Mask of which FS inputs are marked flat by the shader source.  This is
 167     * needed for setting up 3DSTATE_SF/SBE.
 168     */
 169    uint32_t flat_inputs;
 170    unsigned num_varying_inputs;
 171    GLbitfield64 inputs_read;
 172 };
 173
 174 static inline unsigned
 175 brw_blorp_get_urb_length(const struct brw_blorp_prog_data *prog_data)
 176 {
 177    if (prog_data == NULL)
 178       return 1;
 179
 180    /* From the BSpec: 3D Pipeline - Strips and Fans - 3DSTATE_SBE
 181     *
 182     * read_length = ceiling((max_source_attr+1)/2)
 183     */
 184    return MAX2((prog_data->num_varying_inputs + 1) / 2, 1);
 185 }
 186
 187 struct brw_blorp_params
 188 {
 189    uint32_t x0;
 190    uint32_t y0;
 191    uint32_t x1;
 192    uint32_t y1;
 193    struct brw_blorp_surface_info depth;
 194    uint32_t depth_format;
 195    struct brw_blorp_surface_info src;
 196    struct brw_blorp_surface_info dst;
 197    enum gen6_hiz_op hiz_op;
 198    union {
 199       unsigned fast_clear_op;
 200       unsigned resolve_type;
 201    };
 202    bool color_write_disable[4];
 203    struct brw_blorp_wm_inputs wm_inputs;
 204    unsigned num_draw_buffers;
 205    unsigned num_layers;
 206    uint32_t wm_prog_kernel;
 207    struct brw_blorp_prog_data *wm_prog_data;
 208 };
 209
 210 void
 211 brw_blorp_params_init(struct brw_blorp_params *params);
 212
 213 void
 214 brw_blorp_exec(struct brw_context *brw, const struct brw_blorp_params *params);
 215
 216 void
 217 gen6_blorp_hiz_exec(struct brw_context *brw, struct intel_mipmap_tree *mt,
 218                     unsigned level, unsigned layer, enum gen6_hiz_op op);
 219
 220 void
 221 gen6_blorp_exec(struct brw_context *brw,
 222                 const struct brw_blorp_params *params);
 223
 224 void
 225 gen7_blorp_exec(struct brw_context *brw,
 226                 const struct brw_blorp_params *params);
 227
 228 void
 229 gen8_blorp_exec(struct brw_context *brw, const struct brw_blorp_params *params);
 230
 231 struct brw_blorp_blit_prog_key
 232 {
 233    /* Number of samples per pixel that have been configured in the surface
 234     * state for texturing from.
 235     */
 236    unsigned tex_samples;
 237
 238    /* MSAA layout that has been configured in the surface state for texturing
 239     * from.
 240     */
 241    enum isl_msaa_layout tex_layout;
 242
 243    enum isl_aux_usage tex_aux_usage;
 244
 245    /* Actual number of samples per pixel in the source image. */
 246    unsigned src_samples;
 247
 248    /* Actual MSAA layout used by the source image. */
 249    enum isl_msaa_layout src_layout;
 250
 251    /* Number of samples per pixel that have been configured in the render
 252     * target.
 253     */
 254    unsigned rt_samples;
 255
 256    /* MSAA layout that has been configured in the render target. */
 257    enum isl_msaa_layout rt_layout;
 258
 259    /* Actual number of samples per pixel in the destination image. */
 260    unsigned dst_samples;
 261
 262    /* Actual MSAA layout used by the destination image. */
 263    enum isl_msaa_layout dst_layout;
 264
 265    /* Type of the data to be read from the texture (one of
 266     * BRW_REGISTER_TYPE_{UD,D,F}).
 267     */
 268    enum brw_reg_type texture_data_type;
 269
 270    /* True if the source image is W tiled.  If true, the surface state for the
 271     * source image must be configured as Y tiled, and tex_samples must be 0.
 272     */
 273    bool src_tiled_w;
 274
 275    /* True if the destination image is W tiled.  If true, the surface state
 276     * for the render target must be configured as Y tiled, and rt_samples must
 277     * be 0.
 278     */
 279    bool dst_tiled_w;
 280
 281    /* True if all source samples should be blended together to produce each
 282     * destination pixel.  If true, src_tiled_w must be false, tex_samples must
 283     * equal src_samples, and tex_samples must be nonzero.
 284     */
 285    bool blend;
 286
 287    /* True if the rectangle being sent through the rendering pipeline might be
 288     * larger than the destination rectangle, so the WM program should kill any
 289     * pixels that are outside the destination rectangle.
 290     */
 291    bool use_kill;
 292
 293    /**
 294     * True if the WM program should be run in MSDISPMODE_PERSAMPLE with more
 295     * than one sample per pixel.
 296     */
 297    bool persample_msaa_dispatch;
 298
 299    /* True for scaled blitting. */
 300    bool blit_scaled;
 301
 302    /* Scale factors between the pixel grid and the grid of samples. We're
 303     * using grid of samples for bilinear filetring in multisample scaled blits.
 304     */
 305    float x_scale;
 306    float y_scale;
 307
 308    /* True for blits with filter = GL_LINEAR. */
 309    bool bilinear_filter;
 310 };
 311
 312 /**
 313  * \name BLORP internals
 314  * \{
 315  *
 316  * Used internally by gen6_blorp_exec() and gen7_blorp_exec().
 317  */
 318
 319 void brw_blorp_init_wm_prog_key(struct brw_wm_prog_key *wm_key);
 320
 321 const unsigned *
 322 brw_blorp_compile_nir_shader(struct brw_context *brw, struct nir_shader *nir,
 323                              const struct brw_wm_prog_key *wm_key,
 324                              bool use_repclear,
 325                              struct brw_blorp_prog_data *prog_data,
 326                              unsigned *program_size);
 327
 328 uint32_t
 329 brw_blorp_emit_surface_state(struct brw_context *brw,
 330                              const struct brw_blorp_surface_info *surface,
 331                              uint32_t read_domains, uint32_t write_domain,
 332                              bool is_render_target);
 333
 334 void
 335 gen6_blorp_init(struct brw_context *brw);
 336
 337 void
 338 gen6_blorp_emit_vertices(struct brw_context *brw,
 339                          const struct brw_blorp_params *params);
 340
 341 uint32_t
 342 gen6_blorp_emit_blend_state(struct brw_context *brw,
 343                             const struct brw_blorp_params *params);
 344
 345 uint32_t
 346 gen6_blorp_emit_cc_state(struct brw_context *brw);
 347
 348 uint32_t
 349 gen6_blorp_emit_wm_constants(struct brw_context *brw,
 350                              const struct brw_blorp_params *params);
 351
 352 void
 353 gen6_blorp_emit_vs_disable(struct brw_context *brw,
 354                            const struct brw_blorp_params *params);
 355
 356 uint32_t
 357 gen6_blorp_emit_binding_table(struct brw_context *brw,
 358                               uint32_t wm_surf_offset_renderbuffer,
 359                               uint32_t wm_surf_offset_texture);
 360
 361 uint32_t
 362 gen6_blorp_emit_depth_stencil_state(struct brw_context *brw,
 363                                     const struct brw_blorp_params *params);
 364
 365 void
 366 gen6_blorp_emit_gs_disable(struct brw_context *brw,
 367                            const struct brw_blorp_params *params);
 368
 369 void
 370 gen6_blorp_emit_clip_disable(struct brw_context *brw);
 371
 372 void
 373 gen6_blorp_emit_drawing_rectangle(struct brw_context *brw,
 374                                   const struct brw_blorp_params *params);
 375
 376 uint32_t
 377 gen6_blorp_emit_sampler_state(struct brw_context *brw,
 378                               unsigned tex_filter, unsigned max_lod,
 379                               bool non_normalized_coords);
 380 void
 381 gen7_blorp_emit_urb_config(struct brw_context *brw,
 382                            const struct brw_blorp_params *params);
 383
 384 void
 385 gen7_blorp_emit_blend_state_pointer(struct brw_context *brw,
 386                                     uint32_t cc_blend_state_offset);
 387
 388 void
 389 gen7_blorp_emit_cc_state_pointer(struct brw_context *brw,
 390                                  uint32_t cc_state_offset);
 391
 392 void
 393 gen7_blorp_emit_cc_viewport(struct brw_context *brw);
 394
 395 void
 396 gen7_blorp_emit_te_disable(struct brw_context *brw);
 397
 398 void
 399 gen7_blorp_emit_binding_table_pointers_ps(struct brw_context *brw,
 400                                           uint32_t wm_bind_bo_offset);
 401
 402 void
 403 gen7_blorp_emit_sampler_state_pointers_ps(struct brw_context *brw,
 404                                           uint32_t sampler_offset);
 405
 406 void
 407 gen7_blorp_emit_clear_params(struct brw_context *brw,
 408                              const struct brw_blorp_params *params);
 409
 410 void
 411 gen7_blorp_emit_constant_ps(struct brw_context *brw,
 412                             uint32_t wm_push_const_offset);
 413
 414 void
 415 gen7_blorp_emit_constant_ps_disable(struct brw_context *brw);
 416
 417 void
 418 gen7_blorp_emit_primitive(struct brw_context *brw,
 419                           const struct brw_blorp_params *params);
 420
 421 /** \} */
 422
 423 #ifdef __cplusplus
 424 } /* end extern "C" */
 425 #endif /* __cplusplus */