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/*
* Copyright © 2014 Broadcom
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#ifndef VC4_CL_H
#define VC4_CL_H
#include <stdint.h>
#include "util/u_math.h"
#include "util/macros.h"
#include "kernel/vc4_packet.h"
struct vc4_bo;
struct vc4_job;
/**
* Undefined structure, used for typechecking that you're passing the pointers
* to these functions correctly.
*/
struct vc4_cl_out;
struct vc4_cl {
void *base;
struct vc4_cl_out *next;
struct vc4_cl_out *reloc_next;
uint32_t size;
#ifdef DEBUG
uint32_t reloc_count;
#endif
};
void vc4_init_cl(void *mem_ctx, struct vc4_cl *cl);
void vc4_reset_cl(struct vc4_cl *cl);
void vc4_dump_cl(void *cl, uint32_t size, bool is_render);
uint32_t vc4_gem_hindex(struct vc4_job *job, struct vc4_bo *bo);
struct PACKED unaligned_16 { uint16_t x; };
struct PACKED unaligned_32 { uint32_t x; };
static inline uint32_t cl_offset(struct vc4_cl *cl)
{
return (char *)cl->next - (char *)cl->base;
}
static inline void
cl_advance(struct vc4_cl_out **cl, uint32_t n)
{
(*cl) = (struct vc4_cl_out *)((char *)(*cl) + n);
}
static inline struct vc4_cl_out *
cl_start(struct vc4_cl *cl)
{
return cl->next;
}
static inline void
cl_end(struct vc4_cl *cl, struct vc4_cl_out *next)
{
cl->next = next;
assert(cl_offset(cl) <= cl->size);
}
static inline void
put_unaligned_32(struct vc4_cl_out *ptr, uint32_t val)
{
struct unaligned_32 *p = (void *)ptr;
p->x = val;
}
static inline void
put_unaligned_16(struct vc4_cl_out *ptr, uint16_t val)
{
struct unaligned_16 *p = (void *)ptr;
p->x = val;
}
static inline void
cl_u8(struct vc4_cl_out **cl, uint8_t n)
{
*(uint8_t *)(*cl) = n;
cl_advance(cl, 1);
}
static inline void
cl_u16(struct vc4_cl_out **cl, uint16_t n)
{
put_unaligned_16(*cl, n);
cl_advance(cl, 2);
}
static inline void
cl_u32(struct vc4_cl_out **cl, uint32_t n)
{
put_unaligned_32(*cl, n);
cl_advance(cl, 4);
}
static inline void
cl_aligned_u32(struct vc4_cl_out **cl, uint32_t n)
{
*(uint32_t *)(*cl) = n;
cl_advance(cl, 4);
}
static inline void
cl_ptr(struct vc4_cl_out **cl, void *ptr)
{
*(struct vc4_cl_out **)(*cl) = ptr;
cl_advance(cl, sizeof(void *));
}
static inline void
cl_f(struct vc4_cl_out **cl, float f)
{
cl_u32(cl, fui(f));
}
static inline void
cl_aligned_f(struct vc4_cl_out **cl, float f)
{
cl_aligned_u32(cl, fui(f));
}
static inline void
cl_start_reloc(struct vc4_cl *cl, struct vc4_cl_out **out, uint32_t n)
{
assert(n == 1 || n == 2);
#ifdef DEBUG
assert(cl->reloc_count == 0);
cl->reloc_count = n;
#endif
cl_u8(out, VC4_PACKET_GEM_HANDLES);
cl->reloc_next = *out;
cl_u32(out, 0); /* Space where hindex will be written. */
cl_u32(out, 0); /* Space where hindex will be written. */
}
static inline struct vc4_cl_out *
cl_start_shader_reloc(struct vc4_cl *cl, uint32_t n)
{
#ifdef DEBUG
assert(cl->reloc_count == 0);
cl->reloc_count = n;
#endif
cl->reloc_next = cl->next;
/* Reserve the space where hindex will be written. */
cl_advance(&cl->next, n * 4);
return cl->next;
}
static inline void
cl_reloc(struct vc4_job *job, struct vc4_cl *cl, struct vc4_cl_out **cl_out,
struct vc4_bo *bo, uint32_t offset)
{
*(uint32_t *)cl->reloc_next = vc4_gem_hindex(job, bo);
cl_advance(&cl->reloc_next, 4);
#ifdef DEBUG
cl->reloc_count--;
#endif
cl_u32(cl_out, offset);
}
static inline void
cl_aligned_reloc(struct vc4_job *job, struct vc4_cl *cl,
struct vc4_cl_out **cl_out,
struct vc4_bo *bo, uint32_t offset)
{
*(uint32_t *)cl->reloc_next = vc4_gem_hindex(job, bo);
cl_advance(&cl->reloc_next, 4);
#ifdef DEBUG
cl->reloc_count--;
#endif
cl_aligned_u32(cl_out, offset);
}
void cl_ensure_space(struct vc4_cl *cl, uint32_t size);
#endif /* VC4_CL_H */
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