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 void vc4_dump_cl(void *cl
, uint32_t size
, bool is_render
);
72 uint32_t vc4_gem_hindex(struct vc4_job
*job
, struct vc4_bo
*bo
);
74 struct PACKED unaligned_16
{ uint16_t x
; };
75 struct PACKED unaligned_32
{ uint32_t x
; };
77 static inline uint32_t cl_offset(struct vc4_cl
*cl
)
79 return (char *)cl
->next
- (char *)cl
->base
;
83 cl_advance(struct vc4_cl_out
**cl
, uint32_t n
)
85 (*cl
) = (struct vc4_cl_out
*)((char *)(*cl
) + n
);
88 static inline struct vc4_cl_out
*
89 cl_start(struct vc4_cl
*cl
)
95 cl_end(struct vc4_cl
*cl
, struct vc4_cl_out
*next
)
98 assert(cl_offset(cl
) <= cl
->size
);
103 put_unaligned_32(struct vc4_cl_out
*ptr
, uint32_t val
)
105 struct unaligned_32
*p
= (void *)ptr
;
110 put_unaligned_16(struct vc4_cl_out
*ptr
, uint16_t val
)
112 struct unaligned_16
*p
= (void *)ptr
;
117 cl_u8(struct vc4_cl_out
**cl
, uint8_t n
)
119 *(uint8_t *)(*cl
) = n
;
124 cl_u16(struct vc4_cl_out
**cl
, uint16_t n
)
126 put_unaligned_16(*cl
, n
);
131 cl_u32(struct vc4_cl_out
**cl
, uint32_t n
)
133 put_unaligned_32(*cl
, n
);
138 cl_aligned_u32(struct vc4_cl_out
**cl
, uint32_t n
)
140 *(uint32_t *)(*cl
) = n
;
145 cl_ptr(struct vc4_cl_out
**cl
, void *ptr
)
147 *(struct vc4_cl_out
**)(*cl
) = ptr
;
148 cl_advance(cl
, sizeof(void *));
152 cl_f(struct vc4_cl_out
**cl
, float f
)
158 cl_aligned_f(struct vc4_cl_out
**cl
, float f
)
160 cl_aligned_u32(cl
, fui(f
));
164 cl_start_reloc(struct vc4_cl
*cl
, struct vc4_cl_out
**out
, uint32_t n
)
166 assert(n
== 1 || n
== 2);
168 assert(cl
->reloc_count
== 0);
172 cl_u8(out
, VC4_PACKET_GEM_HANDLES
);
173 cl
->reloc_next
= *out
;
174 cl_u32(out
, 0); /* Space where hindex will be written. */
175 cl_u32(out
, 0); /* Space where hindex will be written. */
178 static inline struct vc4_cl_out
*
179 cl_start_shader_reloc(struct vc4_cl
*cl
, uint32_t n
)
182 assert(cl
->reloc_count
== 0);
185 cl
->reloc_next
= cl
->next
;
187 /* Reserve the space where hindex will be written. */
188 cl_advance(&cl
->next
, n
* 4);
194 cl_reloc(struct vc4_job
*job
, struct vc4_cl
*cl
, struct vc4_cl_out
**cl_out
,
195 struct vc4_bo
*bo
, uint32_t offset
)
197 *(uint32_t *)cl
->reloc_next
= vc4_gem_hindex(job
, bo
);
198 cl_advance(&cl
->reloc_next
, 4);
204 cl_u32(cl_out
, offset
);
208 cl_aligned_reloc(struct vc4_job
*job
, struct vc4_cl
*cl
,
209 struct vc4_cl_out
**cl_out
,
210 struct vc4_bo
*bo
, uint32_t offset
)
212 *(uint32_t *)cl
->reloc_next
= vc4_gem_hindex(job
, bo
);
213 cl_advance(&cl
->reloc_next
, 4);
219 cl_aligned_u32(cl_out
, offset
);
223 * Reference to a BO with its associated offset, used in the pack process.
225 static inline struct vc4_cl_reloc
226 cl_address(struct vc4_bo
*bo
, uint32_t offset
)
228 struct vc4_cl_reloc reloc
= {
235 void cl_ensure_space(struct vc4_cl
*cl
, uint32_t size
);
237 #define cl_packet_header(packet) V3D21_ ## packet ## _header
238 #define cl_packet_length(packet) V3D21_ ## packet ## _length
239 #define cl_packet_pack(packet) V3D21_ ## packet ## _pack
240 #define cl_packet_struct(packet) V3D21_ ## packet
243 cl_get_emit_space(struct vc4_cl_out
**cl
, size_t size
)
246 cl_advance(cl
, size
);
250 /* Macro for setting up an emit of a CL struct. A temporary unpacked struct
251 * is created, which you get to set fields in of the form:
253 * cl_emit(bcl, FLAT_SHADE_FLAGS, flags) {
254 * .flags.flat_shade_flags = 1 << 2,
257 * or default values only can be emitted with just:
259 * cl_emit(bcl, FLAT_SHADE_FLAGS, flags);
261 * The trick here is that we make a for loop that will execute the body
262 * (either the block or the ';' after the macro invocation) exactly once.
263 * Also, *dst is actually of the wrong type, it's the
264 * uint8_t[cl_packet_length()] in the CL, not a cl_packet_struct(packet).
266 #define cl_emit(cl, packet, name) \
267 for (struct cl_packet_struct(packet) name = { \
268 cl_packet_header(packet) \
270 *_loop_terminate = &name; \
271 __builtin_expect(_loop_terminate != NULL, 1); \
273 struct vc4_cl_out *cl_out = cl_start(cl); \
274 cl_packet_pack(packet)(cl, (uint8_t *)cl_out, &name); \
275 VG(VALGRIND_CHECK_MEM_IS_DEFINED(cl_out, \
276 cl_packet_length(packet))); \
277 cl_advance(&cl_out, cl_packet_length(packet)); \
278 cl_end(cl, cl_out); \
279 _loop_terminate = NULL; \
282 #define cl_emit_prepacked(cl, packet) do { \
283 memcpy((cl)->next, packet, sizeof(*packet)); \
284 cl_advance(&(cl)->next, sizeof(*packet)); \
288 * Helper function called by the XML-generated pack functions for filling in
289 * an address field in shader records.
291 * Relocations for shader recs and texturing involve the packet (or uniforms
292 * stream) being preceded by the handles to the BOs, and the offset within the
293 * BO being in the stream (the output of this function).
296 cl_pack_emit_reloc(struct vc4_cl
*cl
, const struct vc4_cl_reloc
*reloc
)
298 *(uint32_t *)cl
->reloc_next
= vc4_gem_hindex(cl
->job
, reloc
->bo
);
299 cl_advance(&cl
->reloc_next
, 4);
306 #endif /* VC4_CL_H */