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#include "pipe/p_defines.h"
#include "pipe/p_screen.h"
#include "pipe/p_state.h"
#include "util/u_memory.h"
#include "util/u_inlines.h"
#include "util/u_format.h"
#include "util/u_format_s3tc.h"
#include "util/u_string.h"
#include "os/os_time.h"
#include <stdio.h>
#include <errno.h>
#include <stdlib.h>
#include <libdrm/nouveau_drm.h>
#include "nouveau_winsys.h"
#include "nouveau_screen.h"
#include "nouveau_fence.h"
#include "nouveau_mm.h"
#include "nouveau_buffer.h"
/* XXX this should go away */
#include "state_tracker/drm_driver.h"
int nouveau_mesa_debug = 0;
static const char *
nouveau_screen_get_name(struct pipe_screen *pscreen)
{
struct nouveau_device *dev = nouveau_screen(pscreen)->device;
static char buffer[128];
util_snprintf(buffer, sizeof(buffer), "NV%02X", dev->chipset);
return buffer;
}
static const char *
nouveau_screen_get_vendor(struct pipe_screen *pscreen)
{
return "nouveau";
}
static uint64_t
nouveau_screen_get_timestamp(struct pipe_screen *pscreen)
{
int64_t cpu_time = os_time_get() * 1000;
/* getparam of PTIMER_TIME takes about x10 as long (several usecs) */
return cpu_time + nouveau_screen(pscreen)->cpu_gpu_time_delta;
}
static void
nouveau_screen_fence_ref(struct pipe_screen *pscreen,
struct pipe_fence_handle **ptr,
struct pipe_fence_handle *pfence)
{
nouveau_fence_ref(nouveau_fence(pfence), (struct nouveau_fence **)ptr);
}
static boolean
nouveau_screen_fence_signalled(struct pipe_screen *screen,
struct pipe_fence_handle *pfence)
{
return nouveau_fence_signalled(nouveau_fence(pfence));
}
static boolean
nouveau_screen_fence_finish(struct pipe_screen *screen,
struct pipe_fence_handle *pfence,
uint64_t timeout)
{
return nouveau_fence_wait(nouveau_fence(pfence));
}
struct nouveau_bo *
nouveau_screen_bo_from_handle(struct pipe_screen *pscreen,
struct winsys_handle *whandle,
unsigned *out_stride)
{
struct nouveau_device *dev = nouveau_screen(pscreen)->device;
struct nouveau_bo *bo = 0;
int ret;
if (whandle->type != DRM_API_HANDLE_TYPE_SHARED &&
whandle->type != DRM_API_HANDLE_TYPE_FD) {
debug_printf("%s: attempt to import unsupported handle type %d\n",
__FUNCTION__, whandle->type);
return NULL;
}
if (whandle->type == DRM_API_HANDLE_TYPE_SHARED)
ret = nouveau_bo_name_ref(dev, whandle->handle, &bo);
else
ret = nouveau_bo_prime_handle_ref(dev, whandle->handle, &bo);
if (ret) {
debug_printf("%s: ref name 0x%08x failed with %d\n",
__FUNCTION__, whandle->handle, ret);
return NULL;
}
*out_stride = whandle->stride;
return bo;
}
boolean
nouveau_screen_bo_get_handle(struct pipe_screen *pscreen,
struct nouveau_bo *bo,
unsigned stride,
struct winsys_handle *whandle)
{
whandle->stride = stride;
if (whandle->type == DRM_API_HANDLE_TYPE_SHARED) {
return nouveau_bo_name_get(bo, &whandle->handle) == 0;
} else if (whandle->type == DRM_API_HANDLE_TYPE_KMS) {
whandle->handle = bo->handle;
return TRUE;
} else if (whandle->type == DRM_API_HANDLE_TYPE_FD) {
return nouveau_bo_set_prime(bo, &whandle->handle) == 0;
} else {
return FALSE;
}
}
int
nouveau_screen_init(struct nouveau_screen *screen, struct nouveau_device *dev)
{
struct pipe_screen *pscreen = &screen->base;
struct nv04_fifo nv04_data = { .vram = 0xbeef0201, .gart = 0xbeef0202 };
struct nvc0_fifo nvc0_data = { };
uint64_t time;
int size, ret;
void *data;
union nouveau_bo_config mm_config;
char *nv_dbg = getenv("NOUVEAU_MESA_DEBUG");
if (nv_dbg)
nouveau_mesa_debug = atoi(nv_dbg);
/*
* this is initialized to 1 in nouveau_drm_screen_create after screen
* is fully constructed and added to the global screen list.
*/
screen->refcount = -1;
if (dev->chipset < 0xc0) {
data = &nv04_data;
size = sizeof(nv04_data);
} else {
data = &nvc0_data;
size = sizeof(nvc0_data);
}
ret = nouveau_object_new(&dev->object, 0, NOUVEAU_FIFO_CHANNEL_CLASS,
data, size, &screen->channel);
if (ret)
return ret;
screen->device = dev;
ret = nouveau_client_new(screen->device, &screen->client);
if (ret)
return ret;
ret = nouveau_pushbuf_new(screen->client, screen->channel,
4, 512 * 1024, 1,
&screen->pushbuf);
if (ret)
return ret;
/* getting CPU time first appears to be more accurate */
screen->cpu_gpu_time_delta = os_time_get();
ret = nouveau_getparam(dev, NOUVEAU_GETPARAM_PTIMER_TIME, &time);
if (!ret)
screen->cpu_gpu_time_delta = time - screen->cpu_gpu_time_delta * 1000;
pscreen->get_name = nouveau_screen_get_name;
pscreen->get_vendor = nouveau_screen_get_vendor;
pscreen->get_timestamp = nouveau_screen_get_timestamp;
pscreen->fence_reference = nouveau_screen_fence_ref;
pscreen->fence_signalled = nouveau_screen_fence_signalled;
pscreen->fence_finish = nouveau_screen_fence_finish;
util_format_s3tc_init();
screen->lowmem_bindings = PIPE_BIND_GLOBAL; /* gallium limit */
screen->vidmem_bindings =
PIPE_BIND_RENDER_TARGET | PIPE_BIND_DEPTH_STENCIL |
PIPE_BIND_DISPLAY_TARGET | PIPE_BIND_SCANOUT | PIPE_BIND_CURSOR |
PIPE_BIND_SAMPLER_VIEW |
PIPE_BIND_SHADER_RESOURCE | PIPE_BIND_COMPUTE_RESOURCE |
PIPE_BIND_GLOBAL;
screen->sysmem_bindings =
PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_STREAM_OUTPUT;
memset(&mm_config, 0, sizeof(mm_config));
screen->mm_GART = nouveau_mm_create(dev,
NOUVEAU_BO_GART | NOUVEAU_BO_MAP,
&mm_config);
screen->mm_VRAM = nouveau_mm_create(dev, NOUVEAU_BO_VRAM, &mm_config);
return 0;
}
void
nouveau_screen_fini(struct nouveau_screen *screen)
{
nouveau_mm_destroy(screen->mm_GART);
nouveau_mm_destroy(screen->mm_VRAM);
nouveau_pushbuf_del(&screen->pushbuf);
nouveau_client_del(&screen->client);
nouveau_object_del(&screen->channel);
nouveau_device_del(&screen->device);
}
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