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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_bo_gem.h"
#include "radeon_cs_gem.h"
#include "state_tracker/drm_api.h"
static struct r300_winsys_buffer *
radeon_r300_winsys_buffer_create(struct r300_winsys_screen *rws,
unsigned alignment,
unsigned usage,
unsigned size)
{
struct radeon_libdrm_winsys *ws = radeon_winsys_screen(rws);
struct pb_desc desc;
struct pb_manager *provider;
struct pb_buffer *buffer;
memset(&desc, 0, sizeof(desc));
desc.alignment = alignment;
desc.usage = usage;
if (usage & PIPE_BUFFER_USAGE_CONSTANT)
provider = ws->mman;
else if ((usage & PIPE_BUFFER_USAGE_VERTEX) ||
(usage & PIPE_BUFFER_USAGE_INDEX))
provider = ws->cman;
else
provider = ws->kman;
buffer = provider->create_buffer(provider, size, &desc);
if (!buffer)
return NULL;
return radeon_libdrm_winsys_buffer(buffer);
}
static void radeon_r300_winsys_buffer_destroy(struct r300_winsys_buffer *buf)
{
struct pb_buffer *_buf = radeon_pb_buffer(buf);
pb_destroy(_buf);
}
static void radeon_r300_winsys_buffer_set_tiling(struct r300_winsys_screen *rws,
struct r300_winsys_buffer *buf,
uint32_t pitch,
enum r300_buffer_tiling microtiled,
enum r300_buffer_tiling macrotiled)
{
struct pb_buffer *_buf = radeon_pb_buffer(buf);
radeon_drm_bufmgr_set_tiling(_buf, microtiled, macrotiled, pitch);
}
static void *radeon_r300_winsys_buffer_map(struct r300_winsys_screen *ws,
struct r300_winsys_buffer *buf,
unsigned usage)
{
struct pb_buffer *_buf = radeon_pb_buffer(buf);
return pb_map(_buf, usage);
}
static void radeon_r300_winsys_buffer_unmap(struct r300_winsys_screen *ws,
struct r300_winsys_buffer *buf)
{
struct pb_buffer *_buf = radeon_pb_buffer(buf);
pb_unmap(_buf);
}
static void radeon_r300_winsys_buffer_reference(struct r300_winsys_screen *rws,
struct r300_winsys_buffer **pdst,
struct r300_winsys_buffer *src)
{
struct pb_buffer *_src = radeon_pb_buffer(src);
struct pb_buffer *_dst = radeon_pb_buffer(*pdst);
pb_reference(&_dst, _src);
*pdst = radeon_libdrm_winsys_buffer(_dst);
}
static boolean radeon_r300_winsys_is_buffer_referenced(struct r300_winsys_screen *rws,
struct r300_winsys_buffer *buf)
{
struct pb_buffer *_buf = radeon_pb_buffer(buf);
return radeon_drm_bufmgr_is_buffer_referenced(_buf);
}
static struct r300_winsys_buffer *radeon_r300_winsys_buffer_from_handle(struct r300_winsys_screen *rws,
struct pipe_screen *screen,
struct winsys_handle *whandle,
unsigned *stride)
{
struct radeon_libdrm_winsys *ws = radeon_winsys_screen(rws);
struct pb_buffer *_buf;
_buf = radeon_drm_bufmgr_create_buffer_from_handle(ws->kman, whandle->handle);
*stride = whandle->stride;
return radeon_libdrm_winsys_buffer(_buf);
}
static boolean radeon_r300_winsys_buffer_get_handle(struct r300_winsys_screen *rws,
struct r300_winsys_buffer *buffer,
unsigned stride,
struct winsys_handle *whandle)
{
struct pb_buffer *_buf = radeon_pb_buffer(buffer);
boolean ret;
ret = radeon_drm_bufmgr_get_handle(_buf, whandle);
if (ret)
whandle->stride = stride;
return ret;
}
static void radeon_set_flush_cb(struct r300_winsys_screen *rws,
void (*flush_cb)(void *),
void *data)
{
struct radeon_libdrm_winsys *ws = radeon_winsys_screen(rws);
ws->flush_cb = flush_cb;
ws->flush_data = data;
radeon_cs_space_set_flush(ws->cs, flush_cb, data);
}
static boolean radeon_add_buffer(struct r300_winsys_screen *rws,
struct r300_winsys_buffer *buf,
uint32_t rd,
uint32_t wd)
{
struct pb_buffer *_buf = radeon_pb_buffer(buf);
return radeon_drm_bufmgr_add_buffer(_buf, rd, wd);
}
static boolean radeon_validate(struct r300_winsys_screen *rws)
{
struct radeon_libdrm_winsys *ws = radeon_winsys_screen(rws);
if (radeon_cs_space_check(ws->cs) < 0) {
return FALSE;
}
/* Things are fine, we can proceed as normal. */
return TRUE;
}
static boolean radeon_check_cs(struct r300_winsys_screen *rws, int size)
{
struct radeon_libdrm_winsys *ws = radeon_winsys_screen(rws);
struct radeon_cs *cs = ws->cs;
return radeon_validate(rws) && cs->cdw + size <= cs->ndw;
}
static void radeon_begin_cs(struct r300_winsys_screen *rws,
int size,
const char* file,
const char* function,
int line)
{
struct radeon_libdrm_winsys *ws = radeon_winsys_screen(rws);
radeon_cs_begin(ws->cs, size, file, function, line);
}
static void radeon_write_cs_dword(struct r300_winsys_screen *rws,
uint32_t dword)
{
struct radeon_libdrm_winsys *ws = radeon_winsys_screen(rws);
radeon_cs_write_dword(ws->cs, dword);
}
static void radeon_write_cs_reloc(struct r300_winsys_screen *rws,
struct r300_winsys_buffer *buf,
uint32_t rd,
uint32_t wd,
uint32_t flags)
{
struct pb_buffer *_buf = radeon_pb_buffer(buf);
radeon_drm_bufmgr_write_reloc(_buf, rd, wd, flags);
}
static void radeon_reset_bos(struct r300_winsys_screen *rws)
{
struct radeon_libdrm_winsys *ws = radeon_winsys_screen(rws);
radeon_cs_space_reset_bos(ws->cs);
}
static void radeon_end_cs(struct r300_winsys_screen *rws,
const char* file,
const char* function,
int line)
{
struct radeon_libdrm_winsys *ws = radeon_winsys_screen(rws);
radeon_cs_end(ws->cs, file, function, line);
}
static void radeon_flush_cs(struct r300_winsys_screen *rws)
{
struct radeon_libdrm_winsys *ws = radeon_winsys_screen(rws);
int retval;
/* Don't flush a zero-sized CS. */
if (!ws->cs->cdw) {
return;
}
radeon_drm_bufmgr_flush_maps(ws->kman);
/* Emit the CS. */
retval = radeon_cs_emit(ws->cs);
if (retval) {
debug_printf("radeon: Bad CS, dumping...\n");
radeon_cs_print(ws->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(ws->cs);
}
static uint32_t radeon_get_value(struct r300_winsys_screen *rws,
enum r300_value_id id)
{
struct radeon_libdrm_winsys *ws = (struct radeon_libdrm_winsys *)rws;
switch(id) {
case R300_VID_PCI_ID:
return ws->pci_id;
case R300_VID_GB_PIPES:
return ws->gb_pipes;
case R300_VID_Z_PIPES:
return ws->z_pipes;
}
return 0;
}
static void
radeon_winsys_destroy(struct r300_winsys_screen *rws)
{
struct radeon_libdrm_winsys *ws = (struct radeon_libdrm_winsys *)rws;
radeon_cs_destroy(ws->cs);
ws->cman->destroy(ws->cman);
ws->kman->destroy(ws->kman);
ws->mman->destroy(ws->mman);
radeon_bo_manager_gem_dtor(ws->bom);
radeon_cs_manager_gem_dtor(ws->csm);
}
boolean
radeon_setup_winsys(int fd, struct radeon_libdrm_winsys* ws)
{
ws->csm = radeon_cs_manager_gem_ctor(fd);
if (!ws->csm)
goto fail;
ws->bom = radeon_bo_manager_gem_ctor(fd);
if (!ws->bom)
goto fail;
ws->kman = radeon_drm_bufmgr_create(ws);
if (!ws->kman)
goto fail;
ws->cman = pb_cache_manager_create(ws->kman, 100000);
if (!ws->cman)
goto fail;
ws->mman = pb_malloc_bufmgr_create();
if (!ws->mman)
goto fail;
/* Size limit on IBs is 64 kibibytes. */
ws->cs = radeon_cs_create(ws->csm, 1024 * 64 / 4);
if (!ws->cs)
goto fail;
radeon_cs_set_limit(ws->cs,
RADEON_GEM_DOMAIN_GTT, ws->gart_size);
radeon_cs_set_limit(ws->cs,
RADEON_GEM_DOMAIN_VRAM, ws->vram_size);
ws->base.add_buffer = radeon_add_buffer;
ws->base.validate = radeon_validate;
ws->base.destroy = radeon_winsys_destroy;
ws->base.check_cs = radeon_check_cs;
ws->base.begin_cs = radeon_begin_cs;
ws->base.write_cs_dword = radeon_write_cs_dword;
ws->base.write_cs_reloc = radeon_write_cs_reloc;
ws->base.end_cs = radeon_end_cs;
ws->base.flush_cs = radeon_flush_cs;
ws->base.reset_bos = radeon_reset_bos;
ws->base.set_flush_cb = radeon_set_flush_cb;
ws->base.get_value = radeon_get_value;
ws->base.buffer_create = radeon_r300_winsys_buffer_create;
ws->base.buffer_destroy = radeon_r300_winsys_buffer_destroy;
ws->base.buffer_set_tiling = radeon_r300_winsys_buffer_set_tiling;
ws->base.buffer_map = radeon_r300_winsys_buffer_map;
ws->base.buffer_unmap = radeon_r300_winsys_buffer_unmap;
ws->base.buffer_reference = radeon_r300_winsys_buffer_reference;
ws->base.buffer_from_handle = radeon_r300_winsys_buffer_from_handle;
ws->base.buffer_get_handle = radeon_r300_winsys_buffer_get_handle;
ws->base.is_buffer_referenced = radeon_r300_winsys_is_buffer_referenced;
return TRUE;
fail:
if (ws->csm)
radeon_cs_manager_gem_dtor(ws->csm);
if (ws->bom)
radeon_bo_manager_gem_dtor(ws->bom);
if (ws->cman)
ws->cman->destroy(ws->cman);
if (ws->kman)
ws->kman->destroy(ws->kman);
if (ws->mman)
ws->mman->destroy(ws->mman);
if (ws->cs)
radeon_cs_destroy(ws->cs);
return FALSE;
}
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