• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
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_stage_prog_data;
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 struct brw_stage_prog_data *prog_data,
62                          uint32_t prog_data_size,
63                          uint32_t *kernel_out, void *prog_data_out);
64    void (*exec)(struct blorp_batch *batch, const struct blorp_params *params);
65 };
66 
67 void blorp_init(struct blorp_context *blorp, void *driver_ctx,
68                 struct isl_device *isl_dev);
69 void blorp_finish(struct blorp_context *blorp);
70 
71 enum blorp_batch_flags {
72    /**
73     * This flag indicates that blorp should *not* re-emit the depth and
74     * stencil buffer packets.  Instead, the driver guarantees that all depth
75     * and stencil images passed in will match what is currently set in the
76     * hardware.
77     */
78    BLORP_BATCH_NO_EMIT_DEPTH_STENCIL = (1 << 0),
79 };
80 
81 struct blorp_batch {
82    struct blorp_context *blorp;
83    void *driver_batch;
84    enum blorp_batch_flags flags;
85 };
86 
87 void blorp_batch_init(struct blorp_context *blorp, struct blorp_batch *batch,
88                       void *driver_batch, enum blorp_batch_flags flags);
89 void blorp_batch_finish(struct blorp_batch *batch);
90 
91 struct blorp_address {
92    void *buffer;
93    uint32_t read_domains;
94    uint32_t write_domain;
95    uint32_t offset;
96 };
97 
98 struct blorp_surf
99 {
100    const struct isl_surf *surf;
101    struct blorp_address addr;
102 
103    const struct isl_surf *aux_surf;
104    struct blorp_address aux_addr;
105    enum isl_aux_usage aux_usage;
106 
107    union isl_color_value clear_color;
108 };
109 
110 void
111 blorp_blit(struct blorp_batch *batch,
112            const struct blorp_surf *src_surf,
113            unsigned src_level, unsigned src_layer,
114            enum isl_format src_format, struct isl_swizzle src_swizzle,
115            const struct blorp_surf *dst_surf,
116            unsigned dst_level, unsigned dst_layer,
117            enum isl_format dst_format, struct isl_swizzle dst_swizzle,
118            float src_x0, float src_y0,
119            float src_x1, float src_y1,
120            float dst_x0, float dst_y0,
121            float dst_x1, float dst_y1,
122            uint32_t filter, bool mirror_x, bool mirror_y);
123 
124 void
125 blorp_copy(struct blorp_batch *batch,
126            const struct blorp_surf *src_surf,
127            unsigned src_level, unsigned src_layer,
128            const struct blorp_surf *dst_surf,
129            unsigned dst_level, unsigned dst_layer,
130            uint32_t src_x, uint32_t src_y,
131            uint32_t dst_x, uint32_t dst_y,
132            uint32_t src_width, uint32_t src_height);
133 
134 void
135 blorp_fast_clear(struct blorp_batch *batch,
136                  const struct blorp_surf *surf, enum isl_format format,
137                  uint32_t level, uint32_t start_layer, uint32_t num_layers,
138                  uint32_t x0, uint32_t y0, uint32_t x1, uint32_t y1);
139 
140 void
141 blorp_clear(struct blorp_batch *batch,
142             const struct blorp_surf *surf,
143             enum isl_format format, struct isl_swizzle swizzle,
144             uint32_t level, uint32_t start_layer, uint32_t num_layers,
145             uint32_t x0, uint32_t y0, uint32_t x1, uint32_t y1,
146             union isl_color_value clear_color,
147             const bool color_write_disable[4]);
148 
149 void
150 blorp_clear_depth_stencil(struct blorp_batch *batch,
151                           const struct blorp_surf *depth,
152                           const struct blorp_surf *stencil,
153                           uint32_t level, uint32_t start_layer,
154                           uint32_t num_layers,
155                           uint32_t x0, uint32_t y0, uint32_t x1, uint32_t y1,
156                           bool clear_depth, float depth_value,
157                           uint8_t stencil_mask, uint8_t stencil_value);
158 bool
159 blorp_can_hiz_clear_depth(uint8_t gen, enum isl_format format,
160                           uint32_t num_samples,
161                           uint32_t x0, uint32_t y0,
162                           uint32_t x1, uint32_t y1);
163 
164 void
165 blorp_gen8_hiz_clear_attachments(struct blorp_batch *batch,
166                                  uint32_t num_samples,
167                                  uint32_t x0, uint32_t y0,
168                                  uint32_t x1, uint32_t y1,
169                                  bool clear_depth, bool clear_stencil,
170                                  uint8_t stencil_value);
171 void
172 blorp_clear_attachments(struct blorp_batch *batch,
173                         uint32_t binding_table_offset,
174                         enum isl_format depth_format,
175                         uint32_t num_samples,
176                         uint32_t start_layer, uint32_t num_layers,
177                         uint32_t x0, uint32_t y0, uint32_t x1, uint32_t y1,
178                         bool clear_color, union isl_color_value color_value,
179                         bool clear_depth, float depth_value,
180                         uint8_t stencil_mask, uint8_t stencil_value);
181 
182 enum blorp_fast_clear_op {
183    BLORP_FAST_CLEAR_OP_NONE = 0,
184    BLORP_FAST_CLEAR_OP_CLEAR,
185    BLORP_FAST_CLEAR_OP_RESOLVE_PARTIAL,
186    BLORP_FAST_CLEAR_OP_RESOLVE_FULL,
187 };
188 
189 void
190 blorp_ccs_resolve(struct blorp_batch *batch,
191                   struct blorp_surf *surf, uint32_t level, uint32_t layer,
192                   enum isl_format format,
193                   enum blorp_fast_clear_op resolve_op);
194 
195 /**
196  * For an overview of the HiZ operations, see the following sections of the
197  * Sandy Bridge PRM, Volume 1, Part2:
198  *   - 7.5.3.1 Depth Buffer Clear
199  *   - 7.5.3.2 Depth Buffer Resolve
200  *   - 7.5.3.3 Hierarchical Depth Buffer Resolve
201  *
202  * Of these, two get entered in the resolve map as needing to be done to the
203  * buffer: depth resolve and hiz resolve.
204  */
205 enum blorp_hiz_op {
206    BLORP_HIZ_OP_NONE,
207    BLORP_HIZ_OP_DEPTH_CLEAR,
208    BLORP_HIZ_OP_DEPTH_RESOLVE,
209    BLORP_HIZ_OP_HIZ_RESOLVE,
210 };
211 
212 void
213 blorp_gen6_hiz_op(struct blorp_batch *batch,
214                   struct blorp_surf *surf, unsigned level, unsigned layer,
215                   enum blorp_hiz_op op);
216 
217 #ifdef __cplusplus
218 } /* end extern "C" */
219 #endif /* __cplusplus */
220 
221 #endif /* BLORP_H */
222