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/*
* Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
*
* 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
* on the rights to use, copy, modify, merge, publish, distribute, sub
* license, 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 NON-INFRINGEMENT. IN NO EVENT SHALL
* THE AUTHOR(S) AND/OR THEIR SUPPLIERS 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. */
#include "radeon_r300.h"
#include "radeon_buffer.h"
#include "radeon_cs_gem.h"
static void radeon_set_flush_cb(struct radeon_winsys *winsys,
void (*flush_cb)(void *),
void *data)
{
winsys->priv->flush_cb = flush_cb;
winsys->priv->flush_data = data;
radeon_cs_space_set_flush(winsys->priv->cs, flush_cb, data);
}
static boolean radeon_add_buffer(struct radeon_winsys* winsys,
struct pipe_buffer* pbuffer,
uint32_t rd,
uint32_t wd)
{
struct radeon_bo* bo = ((struct radeon_pipe_buffer*)pbuffer)->bo;
radeon_cs_space_add_persistent_bo(winsys->priv->cs, bo, rd, wd);
return TRUE;
}
static boolean radeon_validate(struct radeon_winsys* winsys)
{
if (radeon_cs_space_check(winsys->priv->cs) < 0) {
return FALSE;
}
/* Things are fine, we can proceed as normal. */
return TRUE;
}
static boolean radeon_check_cs(struct radeon_winsys* winsys, int size)
{
struct radeon_cs* cs = winsys->priv->cs;
return radeon_validate(winsys) && cs->cdw + size <= cs->ndw;
}
static void radeon_begin_cs(struct radeon_winsys* winsys,
int size,
const char* file,
const char* function,
int line)
{
radeon_cs_begin(winsys->priv->cs, size, file, function, line);
}
static void radeon_write_cs_dword(struct radeon_winsys* winsys,
uint32_t dword)
{
radeon_cs_write_dword(winsys->priv->cs, dword);
}
static void radeon_write_cs_reloc(struct radeon_winsys* winsys,
struct pipe_buffer* pbuffer,
uint32_t rd,
uint32_t wd,
uint32_t flags)
{
int retval = 0;
struct radeon_pipe_buffer* radeon_buffer =
(struct radeon_pipe_buffer*)pbuffer;
assert(!radeon_buffer->pb);
retval = radeon_cs_write_reloc(winsys->priv->cs, radeon_buffer->bo,
rd, wd, flags);
if (retval) {
debug_printf("radeon: Relocation of %p (%d, %d, %d) failed!\n",
pbuffer, rd, wd, flags);
}
}
static void radeon_reset_bos(struct radeon_winsys *winsys)
{
radeon_cs_space_reset_bos(winsys->priv->cs);
}
static void radeon_end_cs(struct radeon_winsys* winsys,
const char* file,
const char* function,
int line)
{
radeon_cs_end(winsys->priv->cs, file, function, line);
}
static void radeon_flush_cs(struct radeon_winsys* winsys)
{
int retval;
/* Don't flush a zero-sized CS. */
if (!winsys->priv->cs->cdw) {
return;
}
/* Emit the CS. */
retval = radeon_cs_emit(winsys->priv->cs);
if (retval) {
debug_printf("radeon: Bad CS, dumping...\n");
radeon_cs_print(winsys->priv->cs, stderr);
}
/* Reset CS.
* Someday, when we care about performance, we should really find a way
* to rotate between two or three CS objects so that the GPU can be
* spinning through one CS while another one is being filled. */
radeon_cs_erase(winsys->priv->cs);
}
void
radeon_setup_winsys(int fd, struct radeon_winsys* winsys)
{
struct radeon_winsys_priv* priv = winsys->priv;
priv->csm = radeon_cs_manager_gem_ctor(fd);
/* Size limit on IBs is 64 kibibytes. */
priv->cs = radeon_cs_create(priv->csm, 1024 * 64 / 4);
radeon_cs_set_limit(priv->cs,
RADEON_GEM_DOMAIN_GTT, winsys->gart_size);
radeon_cs_set_limit(priv->cs,
RADEON_GEM_DOMAIN_VRAM, winsys->vram_size);
winsys->add_buffer = radeon_add_buffer;
winsys->validate = radeon_validate;
winsys->check_cs = radeon_check_cs;
winsys->begin_cs = radeon_begin_cs;
winsys->write_cs_dword = radeon_write_cs_dword;
winsys->write_cs_reloc = radeon_write_cs_reloc;
winsys->end_cs = radeon_end_cs;
winsys->flush_cs = radeon_flush_cs;
winsys->reset_bos = radeon_reset_bos;
winsys->set_flush_cb = radeon_set_flush_cb;
}
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