2 * Copyright © 2014 Broadcom
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:
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
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
29 #include "util/u_math.h"
30 #include "util/macros.h"
37 * Undefined structure, used for typechecking that you're passing the pointers
38 * to these functions correctly.
42 /** A reference to a BO used in the CL packing functions */
48 static inline void cl_pack_emit_reloc(struct vc4_cl
*cl
, const struct vc4_cl_reloc
*);
50 #define __gen_user_data struct vc4_cl
51 #define __gen_address_type struct vc4_cl_reloc
52 #define __gen_address_offset(reloc) ((reloc)->offset)
53 #define __gen_emit_reloc cl_pack_emit_reloc
55 #include "kernel/vc4_packet.h"
56 #include "broadcom/cle/v3d_packet_v21_pack.h"
61 struct vc4_cl_out
*next
;
62 struct vc4_cl_out
*reloc_next
;
69 void vc4_init_cl(struct vc4_job
*job
, struct vc4_cl
*cl
);
70 void vc4_reset_cl(struct vc4_cl
*cl
);
71 uint32_t vc4_gem_hindex(struct vc4_job
*job
, struct vc4_bo
*bo
);
73 struct PACKED unaligned_16
{ uint16_t x
; };
74 struct PACKED unaligned_32
{ uint32_t x
; };
76 static inline uint32_t cl_offset(struct vc4_cl
*cl
)
78 return (char *)cl
->next
- (char *)cl
->base
;
82 cl_advance(struct vc4_cl_out
**cl
, uint32_t n
)
84 (*cl
) = (struct vc4_cl_out
*)((char *)(*cl
) + n
);
87 static inline struct vc4_cl_out
*
88 cl_start(struct vc4_cl
*cl
)
94 cl_end(struct vc4_cl
*cl
, struct vc4_cl_out
*next
)
97 assert(cl_offset(cl
) <= cl
->size
);
102 put_unaligned_32(struct vc4_cl_out
*ptr
, uint32_t val
)
104 struct unaligned_32
*p
= (void *)ptr
;
109 put_unaligned_16(struct vc4_cl_out
*ptr
, uint16_t val
)
111 struct unaligned_16
*p
= (void *)ptr
;
116 cl_u8(struct vc4_cl_out
**cl
, uint8_t n
)
118 *(uint8_t *)(*cl
) = n
;
123 cl_u16(struct vc4_cl_out
**cl
, uint16_t n
)
125 put_unaligned_16(*cl
, n
);
130 cl_u32(struct vc4_cl_out
**cl
, uint32_t n
)
132 put_unaligned_32(*cl
, n
);
137 cl_aligned_u32(struct vc4_cl_out
**cl
, uint32_t n
)
139 *(uint32_t *)(*cl
) = n
;
144 cl_ptr(struct vc4_cl_out
**cl
, void *ptr
)
146 *(struct vc4_cl_out
**)(*cl
) = ptr
;
147 cl_advance(cl
, sizeof(void *));
151 cl_f(struct vc4_cl_out
**cl
, float f
)
157 cl_aligned_f(struct vc4_cl_out
**cl
, float f
)
159 cl_aligned_u32(cl
, fui(f
));
162 static inline struct vc4_cl_out
*
163 cl_start_shader_reloc(struct vc4_cl
*cl
, uint32_t n
)
165 assert(cl
->reloc_count
== 0);
169 cl
->reloc_next
= cl
->next
;
171 /* Reserve the space where hindex will be written. */
172 cl_advance(&cl
->next
, n
* 4);
178 cl_reloc(struct vc4_job
*job
, struct vc4_cl
*cl
, struct vc4_cl_out
**cl_out
,
179 struct vc4_bo
*bo
, uint32_t offset
)
181 *(uint32_t *)cl
->reloc_next
= vc4_gem_hindex(job
, bo
);
182 cl_advance(&cl
->reloc_next
, 4);
188 cl_u32(cl_out
, offset
);
192 cl_aligned_reloc(struct vc4_job
*job
, struct vc4_cl
*cl
,
193 struct vc4_cl_out
**cl_out
,
194 struct vc4_bo
*bo
, uint32_t offset
)
196 *(uint32_t *)cl
->reloc_next
= vc4_gem_hindex(job
, bo
);
197 cl_advance(&cl
->reloc_next
, 4);
203 cl_aligned_u32(cl_out
, offset
);
207 * Reference to a BO with its associated offset, used in the pack process.
209 static inline struct vc4_cl_reloc
210 cl_address(struct vc4_bo
*bo
, uint32_t offset
)
212 struct vc4_cl_reloc reloc
= {
219 void cl_ensure_space(struct vc4_cl
*cl
, uint32_t size
);
221 #define cl_packet_header(packet) V3D21_ ## packet ## _header
222 #define cl_packet_length(packet) V3D21_ ## packet ## _length
223 #define cl_packet_pack(packet) V3D21_ ## packet ## _pack
224 #define cl_packet_struct(packet) V3D21_ ## packet
227 cl_get_emit_space(struct vc4_cl_out
**cl
, size_t size
)
230 cl_advance(cl
, size
);
234 /* Macro for setting up an emit of a CL struct. A temporary unpacked struct
235 * is created, which you get to set fields in of the form:
237 * cl_emit(bcl, FLAT_SHADE_FLAGS, flags) {
238 * .flags.flat_shade_flags = 1 << 2,
241 * or default values only can be emitted with just:
243 * cl_emit(bcl, FLAT_SHADE_FLAGS, flags);
245 * The trick here is that we make a for loop that will execute the body
246 * (either the block or the ';' after the macro invocation) exactly once.
247 * Also, *dst is actually of the wrong type, it's the
248 * uint8_t[cl_packet_length()] in the CL, not a cl_packet_struct(packet).
250 #define cl_emit(cl, packet, name) \
251 for (struct cl_packet_struct(packet) name = { \
252 cl_packet_header(packet) \
254 *_loop_terminate = &name; \
255 __builtin_expect(_loop_terminate != NULL, 1); \
257 struct vc4_cl_out *cl_out = cl_start(cl); \
258 cl_packet_pack(packet)(cl, (uint8_t *)cl_out, &name); \
259 VG(VALGRIND_CHECK_MEM_IS_DEFINED(cl_out, \
260 cl_packet_length(packet))); \
261 cl_advance(&cl_out, cl_packet_length(packet)); \
262 cl_end(cl, cl_out); \
263 _loop_terminate = NULL; \
266 #define cl_emit_prepacked(cl, packet) do { \
267 memcpy((cl)->next, packet, sizeof(*packet)); \
268 cl_advance(&(cl)->next, sizeof(*packet)); \
272 * Helper function called by the XML-generated pack functions for filling in
273 * an address field in shader records.
275 * Relocations for shader recs and texturing involve the packet (or uniforms
276 * stream) being preceded by the handles to the BOs, and the offset within the
277 * BO being in the stream (the output of this function).
280 cl_pack_emit_reloc(struct vc4_cl
*cl
, const struct vc4_cl_reloc
*reloc
)
282 *(uint32_t *)cl
->reloc_next
= vc4_gem_hindex(cl
->job
, reloc
->bo
);
283 cl_advance(&cl
->reloc_next
, 4);
290 #endif /* VC4_CL_H */