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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 <stdio.h>
#include <errno.h>
#include "nouveau/nouveau_bo.h"
#include "nouveau_winsys.h"
#include "nouveau_screen.h"
/* XXX this should go away */
#include "state_tracker/drm_api.h"
#include "util/u_simple_screen.h"
static const char *
nouveau_screen_get_name(struct pipe_screen *pscreen)
{
struct nouveau_device *dev = nouveau_screen(pscreen)->device;
static char buffer[128];
snprintf(buffer, sizeof(buffer), "NV%02X", dev->chipset);
return buffer;
}
static const char *
nouveau_screen_get_vendor(struct pipe_screen *pscreen)
{
return "nouveau";
}
struct nouveau_bo *
nouveau_screen_bo_new(struct pipe_screen *pscreen, unsigned alignment,
unsigned usage, unsigned bind, unsigned size)
{
struct nouveau_device *dev = nouveau_screen(pscreen)->device;
struct nouveau_bo *bo = NULL;
uint32_t flags = NOUVEAU_BO_MAP, tile_mode = 0, tile_flags = 0;
int ret;
/* TODO: this is somewhat wrong */
if (usage == PIPE_USAGE_STAGING)
flags |= NOUVEAU_BO_GART;
else
if (bind & PIPE_BIND_VERTEX_BUFFER) {
if (pscreen->get_param(pscreen, NOUVEAU_CAP_HW_VTXBUF))
flags |= NOUVEAU_BO_GART;
} else
if (usage & PIPE_BIND_INDEX_BUFFER) {
if (pscreen->get_param(pscreen, NOUVEAU_CAP_HW_IDXBUF))
flags |= NOUVEAU_BO_GART;
}
if (bind & (PIPE_BIND_RENDER_TARGET |
PIPE_BIND_DEPTH_STENCIL |
PIPE_BIND_BLIT_SOURCE |
PIPE_BIND_BLIT_DESTINATION |
PIPE_BIND_SCANOUT |
PIPE_BIND_DISPLAY_TARGET |
PIPE_BIND_SAMPLER_VIEW))
{
/* TODO: this may be incorrect or suboptimal */
if (!(bind & PIPE_BIND_SCANOUT))
flags |= NOUVEAU_BO_GART;
if (usage != PIPE_USAGE_DYNAMIC)
flags |= NOUVEAU_BO_VRAM;
if (dev->chipset == 0x50 || dev->chipset >= 0x80) {
if (bind & PIPE_BIND_DEPTH_STENCIL)
tile_flags = 0x2800;
else
tile_flags = 0x7000;
}
}
ret = nouveau_bo_new_tile(dev, flags, alignment, size,
tile_mode, tile_flags, &bo);
if (ret)
return NULL;
return bo;
}
struct nouveau_bo *
nouveau_screen_bo_user(struct pipe_screen *pscreen, void *ptr, unsigned bytes)
{
struct nouveau_device *dev = nouveau_screen(pscreen)->device;
struct nouveau_bo *bo = NULL;
int ret;
ret = nouveau_bo_user(dev, ptr, bytes, &bo);
if (ret)
return NULL;
return bo;
}
void *
nouveau_screen_bo_map(struct pipe_screen *pscreen,
struct nouveau_bo *bo,
unsigned map_flags)
{
int ret;
ret = nouveau_bo_map(bo, map_flags);
if (ret) {
debug_printf("map failed: %d\n", ret);
return NULL;
}
return bo->map;
}
void *
nouveau_screen_bo_map_range(struct pipe_screen *pscreen, struct nouveau_bo *bo,
unsigned offset, unsigned length, unsigned flags)
{
int ret;
ret = nouveau_bo_map_range(bo, offset, length, flags);
if (ret) {
nouveau_bo_unmap(bo);
if (!(flags & NOUVEAU_BO_NOWAIT) || ret != -EBUSY)
debug_printf("map_range failed: %d\n", ret);
return NULL;
}
return (char *)bo->map - offset; /* why gallium? why? */
}
void
nouveau_screen_bo_map_flush_range(struct pipe_screen *pscreen, struct nouveau_bo *bo,
unsigned offset, unsigned length)
{
nouveau_bo_map_flush(bo, offset, length);
}
void
nouveau_screen_bo_unmap(struct pipe_screen *pscreen, struct nouveau_bo *bo)
{
nouveau_bo_unmap(bo);
}
void
nouveau_screen_bo_release(struct pipe_screen *pscreen, struct nouveau_bo *bo)
{
nouveau_bo_ref(NULL, &bo);
}
static void
nouveau_screen_fence_ref(struct pipe_screen *pscreen,
struct pipe_fence_handle **ptr,
struct pipe_fence_handle *pfence)
{
*ptr = pfence;
}
static int
nouveau_screen_fence_signalled(struct pipe_screen *screen,
struct pipe_fence_handle *pfence,
unsigned flags)
{
return 0;
}
static int
nouveau_screen_fence_finish(struct pipe_screen *screen,
struct pipe_fence_handle *pfence,
unsigned flags)
{
return 0;
}
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;
ret = nouveau_bo_handle_ref(dev, whandle->handle, &bo);
if (ret) {
debug_printf("%s: ref name 0x%08x failed with %d\n",
__func__, 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_handle_get(bo, &whandle->handle) == 0;
} else if (whandle->type == DRM_API_HANDLE_TYPE_KMS) {
whandle->handle = bo->handle;
return TRUE;
} else {
return FALSE;
}
}
unsigned int
nouveau_reference_flags(struct nouveau_bo *bo)
{
uint32_t bo_flags;
int flags = 0;
bo_flags = nouveau_bo_pending(bo);
if (bo_flags & NOUVEAU_BO_RD)
flags |= PIPE_REFERENCED_FOR_READ;
if (bo_flags & NOUVEAU_BO_WR)
flags |= PIPE_REFERENCED_FOR_WRITE;
return flags;
}
int
nouveau_screen_init(struct nouveau_screen *screen, struct nouveau_device *dev)
{
struct pipe_screen *pscreen = &screen->base;
int ret;
ret = nouveau_channel_alloc(dev, 0xbeef0201, 0xbeef0202,
&screen->channel);
if (ret)
return ret;
screen->device = dev;
pscreen->get_name = nouveau_screen_get_name;
pscreen->get_vendor = nouveau_screen_get_vendor;
pscreen->fence_reference = nouveau_screen_fence_ref;
pscreen->fence_signalled = nouveau_screen_fence_signalled;
pscreen->fence_finish = nouveau_screen_fence_finish;
return 0;
}
void
nouveau_screen_fini(struct nouveau_screen *screen)
{
struct pipe_winsys *ws = screen->base.winsys;
nouveau_channel_free(&screen->channel);
ws->destroy(ws);
}
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