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#include "pipe/internal/p_winsys_screen.h"
#include <pipe/p_defines.h>
#include <pipe/p_inlines.h>
#include <util/u_memory.h>
#include "nouveau_winsys_pipe.h"
#include "nouveau_drmif.h"
#include "nouveau_bo.h"
static const char *
nouveau_get_name(struct pipe_winsys *pws)
{
return "Nouveau/DRI";
}
static uint32_t
nouveau_flags_from_usage(struct pipe_winsys *ws, unsigned usage)
{
struct nouveau_pipe_winsys *nvpws = nouveau_pipe_winsys(ws);
struct pipe_screen *pscreen = nvpws->pscreen;
uint32_t flags = NOUVEAU_BO_LOCAL;
if (usage & NOUVEAU_BUFFER_USAGE_TRANSFER)
flags |= NOUVEAU_BO_GART;
if (usage & PIPE_BUFFER_USAGE_PIXEL) {
if (usage & NOUVEAU_BUFFER_USAGE_TEXTURE)
flags |= NOUVEAU_BO_GART;
if (!(usage & PIPE_BUFFER_USAGE_CPU_READ_WRITE))
flags |= NOUVEAU_BO_VRAM;
switch (nvpws->channel->device->chipset & 0xf0) {
case 0x50:
case 0x80:
case 0x90:
flags |= NOUVEAU_BO_TILED;
if (usage & NOUVEAU_BUFFER_USAGE_ZETA)
flags |= NOUVEAU_BO_ZTILE;
break;
default:
break;
}
}
if (usage & PIPE_BUFFER_USAGE_VERTEX) {
if (pscreen->get_param(pscreen, NOUVEAU_CAP_HW_VTXBUF))
flags |= NOUVEAU_BO_GART;
}
if (usage & PIPE_BUFFER_USAGE_INDEX) {
if (pscreen->get_param(pscreen, NOUVEAU_CAP_HW_IDXBUF))
flags |= NOUVEAU_BO_GART;
}
return flags;
}
static struct pipe_buffer *
nouveau_pipe_bo_create(struct pipe_winsys *ws, unsigned alignment,
unsigned usage, unsigned size)
{
struct nouveau_pipe_winsys *nvpws = nouveau_pipe_winsys(ws);
struct nouveau_device *dev = nvpws->channel->device;
struct nouveau_pipe_buffer *nvbuf;
uint32_t flags;
nvbuf = CALLOC_STRUCT(nouveau_pipe_buffer);
if (!nvbuf)
return NULL;
pipe_reference_init(&nvbuf->base.reference, 1);
nvbuf->base.alignment = alignment;
nvbuf->base.usage = usage;
nvbuf->base.size = size;
flags = nouveau_flags_from_usage(ws, usage);
if (nouveau_bo_new(dev, flags, alignment, size, &nvbuf->bo)) {
FREE(nvbuf);
return NULL;
}
return &nvbuf->base;
}
static struct pipe_buffer *
nouveau_pipe_bo_user_create(struct pipe_winsys *ws, void *ptr, unsigned bytes)
{
struct nouveau_pipe_winsys *nvpws = nouveau_pipe_winsys(ws);
struct nouveau_device *dev = nvpws->channel->device;
struct nouveau_pipe_buffer *nvbuf;
nvbuf = CALLOC_STRUCT(nouveau_pipe_buffer);
if (!nvbuf)
return NULL;
pipe_reference_init(&nvbuf->base.reference, 1);
nvbuf->base.size = bytes;
if (nouveau_bo_user(dev, ptr, bytes, &nvbuf->bo)) {
FREE(nvbuf);
return NULL;
}
return &nvbuf->base;
}
static void
nouveau_pipe_bo_del(struct pipe_buffer *buf)
{
struct nouveau_pipe_buffer *nvbuf = nouveau_pipe_buffer(buf);
nouveau_bo_ref(NULL, &nvbuf->bo);
FREE(nvbuf);
}
static void *
nouveau_pipe_bo_map(struct pipe_winsys *pws, struct pipe_buffer *buf,
unsigned flags)
{
struct nouveau_pipe_buffer *nvbuf = nouveau_pipe_buffer(buf);
uint32_t map_flags = 0;
if (flags & PIPE_BUFFER_USAGE_CPU_READ)
map_flags |= NOUVEAU_BO_RD;
if (flags & PIPE_BUFFER_USAGE_CPU_WRITE)
map_flags |= NOUVEAU_BO_WR;
if (nouveau_bo_map(nvbuf->bo, map_flags))
return NULL;
return nvbuf->bo->map;
}
static void
nouveau_pipe_bo_unmap(struct pipe_winsys *pws, struct pipe_buffer *buf)
{
struct nouveau_pipe_buffer *nvbuf = nouveau_pipe_buffer(buf);
nouveau_bo_unmap(nvbuf->bo);
}
static void
nouveau_pipe_fence_reference(struct pipe_winsys *ws,
struct pipe_fence_handle **ptr,
struct pipe_fence_handle *pfence)
{
*ptr = pfence;
}
static int
nouveau_pipe_fence_signalled(struct pipe_winsys *ws,
struct pipe_fence_handle *pfence, unsigned flag)
{
return 0;
}
static int
nouveau_pipe_fence_finish(struct pipe_winsys *ws,
struct pipe_fence_handle *pfence, unsigned flag)
{
return 0;
}
static void
nouveau_destroy(struct pipe_winsys *ws)
{
struct nouveau_pipe_winsys *nvpws = nouveau_pipe_winsys(ws);
nouveau_device_close(&nvpws->channel->device);
FREE(nvpws);
}
struct pipe_winsys *
nouveau_pipe_winsys_new(struct nouveau_device *dev)
{
struct nouveau_pipe_winsys *nvpws;
int ret;
nvpws = CALLOC_STRUCT(nouveau_pipe_winsys);
if (!nvpws)
return NULL;
ret = nouveau_channel_alloc(dev, 0xbeef0201, 0xbeef0202,
&nvpws->channel);
if (ret) {
debug_printf("%s: error opening GPU channel: %d\n",
__func__, ret);
FREE(nvpws);
return NULL;
}
nvpws->next_handle = 0x77000000;
nvpws->base.buffer_create = nouveau_pipe_bo_create;
nvpws->base.buffer_destroy = nouveau_pipe_bo_del;
nvpws->base.user_buffer_create = nouveau_pipe_bo_user_create;
nvpws->base.buffer_map = nouveau_pipe_bo_map;
nvpws->base.buffer_unmap = nouveau_pipe_bo_unmap;
nvpws->base.fence_reference = nouveau_pipe_fence_reference;
nvpws->base.fence_signalled = nouveau_pipe_fence_signalled;
nvpws->base.fence_finish = nouveau_pipe_fence_finish;
nvpws->base.get_name = nouveau_get_name;
nvpws->base.destroy = nouveau_destroy;
return &nvpws->base;
}
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