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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 "vc4_packet.h"
struct vc4_bo;
struct vc4_cl {
void *base;
void *next;
uint32_t size;
uint32_t reloc_next;
uint32_t reloc_count;
};
void vc4_init_cl(struct vc4_context *vc4, 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_context *vc4, struct vc4_bo *bo);
struct PACKED unaligned_16 { uint16_t x; };
struct PACKED unaligned_32 { uint32_t x; };
static inline void
put_unaligned_32(void *ptr, uint32_t val)
{
struct unaligned_32 *p = ptr;
p->x = val;
}
static inline void
put_unaligned_16(void *ptr, uint16_t val)
{
struct unaligned_16 *p = ptr;
p->x = val;
}
static inline void
cl_u8(struct vc4_cl *cl, uint8_t n)
{
assert((cl->next - cl->base) + 1 <= cl->size);
*(uint8_t *)cl->next = n;
cl->next++;
}
static inline void
cl_u16(struct vc4_cl *cl, uint16_t n)
{
assert((cl->next - cl->base) + 2 <= cl->size);
put_unaligned_16(cl->next, n);
cl->next += 2;
}
static inline void
cl_u32(struct vc4_cl *cl, uint32_t n)
{
assert((cl->next - cl->base) + 4 <= cl->size);
put_unaligned_32(cl->next, n);
cl->next += 4;
}
static inline void
cl_aligned_u32(struct vc4_cl *cl, uint32_t n)
{
assert((cl->next - cl->base) + 4 <= cl->size);
*(uint32_t *)cl->next = n;
cl->next += 4;
}
static inline void
cl_ptr(struct vc4_cl *cl, void *ptr)
{
assert((cl->next - cl->base) + sizeof(void *) <= cl->size);
*(void **)cl->next = ptr;
cl->next += sizeof(void *);
}
static inline void
cl_f(struct vc4_cl *cl, float f)
{
cl_u32(cl, fui(f));
}
static inline void
cl_aligned_f(struct vc4_cl *cl, float f)
{
cl_aligned_u32(cl, fui(f));
}
static inline void
cl_start_reloc(struct vc4_cl *cl, uint32_t n)
{
assert(n == 1 || n == 2);
assert(cl->reloc_count == 0);
cl->reloc_count = n;
cl_u8(cl, VC4_PACKET_GEM_HANDLES);
cl->reloc_next = cl->next - cl->base;
cl_u32(cl, 0); /* Space where hindex will be written. */
cl_u32(cl, 0); /* Space where hindex will be written. */
}
static inline void
cl_start_shader_reloc(struct vc4_cl *cl, uint32_t n)
{
assert(cl->reloc_count == 0);
cl->reloc_count = n;
cl->reloc_next = cl->next - cl->base;
/* Space where hindex will be written. */
cl->next += n * 4;
}
static inline void
cl_reloc_hindex(struct vc4_cl *cl, uint32_t hindex, uint32_t offset)
{
*(uint32_t *)(cl->base + cl->reloc_next) = hindex;
cl->reloc_next += 4;
cl->reloc_count--;
cl_u32(cl, offset);
}
static inline void
cl_aligned_reloc_hindex(struct vc4_cl *cl, uint32_t hindex, uint32_t offset)
{
*(uint32_t *)(cl->base + cl->reloc_next) = hindex;
cl->reloc_next += 4;
cl->reloc_count--;
cl_aligned_u32(cl, offset);
}
static inline void
cl_reloc(struct vc4_context *vc4, struct vc4_cl *cl,
struct vc4_bo *bo, uint32_t offset)
{
cl_reloc_hindex(cl, vc4_gem_hindex(vc4, bo), offset);
}
static inline void
cl_aligned_reloc(struct vc4_context *vc4, struct vc4_cl *cl,
struct vc4_bo *bo, uint32_t offset)
{
cl_aligned_reloc_hindex(cl, vc4_gem_hindex(vc4, bo), offset);
}
void cl_ensure_space(struct vc4_cl *cl, uint32_t size);
#endif /* VC4_CL_H */
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