src/intel/blorp/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 #ifndef BLORP_H
  25 #define BLORP_H
  26
  27 #include <stdint.h>
  28 #include <stdbool.h>
  29
  30 #include "isl/isl.h"
  31
  32 struct brw_context;
  33 struct brw_wm_prog_key;
  34
  35 #ifdef __cplusplus
  36 extern "C" {
  37 #endif
  38
  39 struct blorp_batch;
  40 struct blorp_params;
  41
  42 struct blorp_context {
  43    void *driver_ctx;
  44
  45    const struct isl_device *isl_dev;
  46
  47    const struct brw_compiler *compiler;
  48
  49    struct {
  50       uint32_t tex;
  51       uint32_t rb;
  52       uint32_t vb;
  53    } mocs;
  54
  55    bool (*lookup_shader)(struct blorp_context *blorp,
  56                          const void *key, uint32_t key_size,
  57                          uint32_t *kernel_out, void *prog_data_out);
  58    void (*upload_shader)(struct blorp_context *blorp,
  59                          const void *key, uint32_t key_size,
  60                          const void *kernel, uint32_t kernel_size,
  61                          const void *prog_data, uint32_t prog_data_size,
  62                          uint32_t *kernel_out, void *prog_data_out);
  63    void (*exec)(struct blorp_batch *batch, const struct blorp_params *params);
  64 };
  65
  66 void blorp_init(struct blorp_context *blorp, void *driver_ctx,
  67                 struct isl_device *isl_dev);
  68 void blorp_finish(struct blorp_context *blorp);
  69
  70 enum blorp_batch_flags {
  71    /**
  72     * This flag indicates that blorp should *not* re-emit the depth and
  73     * stencil buffer packets.  Instead, the driver guarantees that all depth
  74     * and stencil images passed in will match what is currently set in the
  75     * hardware.
  76     */
  77    BLORP_BATCH_NO_EMIT_DEPTH_STENCIL = (1 << 0),
  78 };
  79
  80 struct blorp_batch {
  81    struct blorp_context *blorp;
  82    void *driver_batch;
  83    enum blorp_batch_flags flags;
  84 };
  85
  86 void blorp_batch_init(struct blorp_context *blorp, struct blorp_batch *batch,
  87                       void *driver_batch, enum blorp_batch_flags flags);
  88 void blorp_batch_finish(struct blorp_batch *batch);
  89
  90 struct blorp_address {
  91    void *buffer;
  92    uint32_t read_domains;
  93    uint32_t write_domain;
  94    uint32_t offset;
  95 };
  96
  97 struct blorp_surf
  98 {
  99    const struct isl_surf *surf;
 100    struct blorp_address addr;
 101
 102    const struct isl_surf *aux_surf;
 103    struct blorp_address aux_addr;
 104    enum isl_aux_usage aux_usage;
 105
 106    union isl_color_value clear_color;
 107 };
 108
 109 void
 110 blorp_blit(struct blorp_batch *batch,
 111            const struct blorp_surf *src_surf,
 112            unsigned src_level, unsigned src_layer,
 113            enum isl_format src_format, struct isl_swizzle src_swizzle,
 114            const struct blorp_surf *dst_surf,
 115            unsigned dst_level, unsigned dst_layer,
 116            enum isl_format dst_format, struct isl_swizzle dst_swizzle,
 117            float src_x0, float src_y0,
 118            float src_x1, float src_y1,
 119            float dst_x0, float dst_y0,
 120            float dst_x1, float dst_y1,
 121            uint32_t filter, bool mirror_x, bool mirror_y);
 122
 123 void
 124 blorp_copy(struct blorp_batch *batch,
 125            const struct blorp_surf *src_surf,
 126            unsigned src_level, unsigned src_layer,
 127            const struct blorp_surf *dst_surf,
 128            unsigned dst_level, unsigned dst_layer,
 129            uint32_t src_x, uint32_t src_y,
 130            uint32_t dst_x, uint32_t dst_y,
 131            uint32_t src_width, uint32_t src_height);
 132
 133 void
 134 blorp_fast_clear(struct blorp_batch *batch,
 135                  const struct blorp_surf *surf, enum isl_format format,
 136                  uint32_t level, uint32_t start_layer, uint32_t num_layers,
 137                  uint32_t x0, uint32_t y0, uint32_t x1, uint32_t y1);
 138
 139 void
 140 blorp_clear(struct blorp_batch *batch,
 141             const struct blorp_surf *surf,
 142             enum isl_format format, struct isl_swizzle swizzle,
 143             uint32_t level, uint32_t start_layer, uint32_t num_layers,
 144             uint32_t x0, uint32_t y0, uint32_t x1, uint32_t y1,
 145             union isl_color_value clear_color,
 146             const bool color_write_disable[4]);
 147
 148 void
 149 blorp_clear_depth_stencil(struct blorp_batch *batch,
 150                           const struct blorp_surf *depth,
 151                           const struct blorp_surf *stencil,
 152                           uint32_t level, uint32_t start_layer,
 153                           uint32_t num_layers,
 154                           uint32_t x0, uint32_t y0, uint32_t x1, uint32_t y1,
 155                           bool clear_depth, float depth_value,
 156                           uint8_t stencil_mask, uint8_t stencil_value);
 157
 158 void
 159 blorp_ccs_resolve(struct blorp_batch *batch,
 160                   struct blorp_surf *surf, enum isl_format format);
 161
 162 /**
 163  * For an overview of the HiZ operations, see the following sections of the
 164  * Sandy Bridge PRM, Volume 1, Part2:
 165  *   - 7.5.3.1 Depth Buffer Clear
 166  *   - 7.5.3.2 Depth Buffer Resolve
 167  *   - 7.5.3.3 Hierarchical Depth Buffer Resolve
 168  *
 169  * Of these, two get entered in the resolve map as needing to be done to the
 170  * buffer: depth resolve and hiz resolve.
 171  */
 172 enum blorp_hiz_op {
 173    BLORP_HIZ_OP_NONE,
 174    BLORP_HIZ_OP_DEPTH_CLEAR,
 175    BLORP_HIZ_OP_DEPTH_RESOLVE,
 176    BLORP_HIZ_OP_HIZ_RESOLVE,
 177 };
 178
 179 void
 180 blorp_gen6_hiz_op(struct blorp_batch *batch,
 181                   struct blorp_surf *surf, unsigned level, unsigned layer,
 182                   enum blorp_hiz_op op);
 183
 184 #ifdef __cplusplus
 185 } /* end extern "C" */
 186 #endif /* __cplusplus */
 187
 188 #endif /* BLORP_H */