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#include "pipe/p_winsys.h"
#include "pipe/p_defines.h"
#include "pipe/p_util.h"
#include "pipe/p_inlines.h"
#include "nouveau_context.h"
#include "nouveau_device.h"
#include "nouveau_local.h"
#include "nouveau_screen.h"
#include "nouveau_swapbuffers.h"
#include "nouveau_winsys_pipe.h"
static void
nouveau_flush_frontbuffer(struct pipe_winsys *pws, struct pipe_surface *surf,
void *context_private)
{
struct nouveau_context *nv = context_private;
__DRIdrawablePrivate *dPriv = nv->dri_drawable;
nouveau_copy_buffer(dPriv, surf, NULL);
}
static void
nouveau_printf(struct pipe_winsys *pws, const char *fmt, ...)
{
va_list args;
va_start(args, fmt);
vfprintf(stderr, fmt, args);
va_end(args);
}
static const char *
nouveau_get_name(struct pipe_winsys *pws)
{
return "Nouveau/DRI";
}
static struct pipe_surface *
nouveau_surface_alloc(struct pipe_winsys *ws)
{
struct pipe_surface *surf;
surf = CALLOC_STRUCT(pipe_surface);
if (!surf)
return NULL;
surf->refcount = 1;
surf->winsys = ws;
return surf;
}
static int
nouveau_surface_alloc_storage(struct pipe_winsys *ws, struct pipe_surface *surf,
unsigned width, unsigned height,
enum pipe_format format, unsigned flags)
{
unsigned pitch = ((width * pf_get_size(format)) + 63) & ~63;
surf->format = format;
surf->width = width;
surf->height = height;
surf->cpp = pf_get_size(format);
surf->pitch = pitch / surf->cpp;
surf->buffer = ws->buffer_create(ws, 256, PIPE_BUFFER_USAGE_PIXEL,
pitch * height);
if (!surf->buffer)
return 1;
return 0;
}
static void
nouveau_surface_release(struct pipe_winsys *ws, struct pipe_surface **s)
{
struct pipe_surface *surf = *s;
*s = NULL;
if (--surf->refcount <= 0) {
if (surf->buffer)
pipe_buffer_reference(ws, &surf->buffer, NULL);
free(surf);
}
}
static struct pipe_buffer *
nouveau_pipe_bo_create(struct pipe_winsys *pws, unsigned alignment,
unsigned usage, unsigned size)
{
struct nouveau_pipe_winsys *nvpws = (struct nouveau_pipe_winsys *)pws;
struct nouveau_device *dev = nvpws->nv->nv_screen->device;
struct nouveau_pipe_buffer *nvbuf;
uint32_t flags = 0;
nvbuf = calloc(1, sizeof(*nvbuf));
if (!nvbuf)
return NULL;
nvbuf->base.refcount = 1;
nvbuf->base.alignment = alignment;
nvbuf->base.usage = usage;
nvbuf->base.size = size;
flags = NOUVEAU_BO_LOCAL;
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 *pws, void *ptr, unsigned bytes)
{
struct nouveau_pipe_winsys *nvpws = (struct nouveau_pipe_winsys *)pws;
struct nouveau_device *dev = nvpws->nv->nv_screen->device;
struct nouveau_pipe_buffer *nvbuf;
nvbuf = calloc(1, sizeof(*nvbuf));
if (!nvbuf)
return NULL;
nvbuf->base.refcount = 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_winsys *ws, struct pipe_buffer *buf)
{
struct nouveau_pipe_buffer *nvbuf = nouveau_buffer(buf);
nouveau_bo_del(&nvbuf->bo);
}
static void *
nouveau_pipe_bo_map(struct pipe_winsys *pws, struct pipe_buffer *buf,
unsigned flags)
{
struct nouveau_pipe_buffer *nvbuf = nouveau_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_buffer(buf);
nouveau_bo_unmap(nvbuf->bo);
}
struct pipe_winsys *
nouveau_create_pipe_winsys(struct nouveau_context *nv)
{
struct nouveau_pipe_winsys *nvpws;
struct pipe_winsys *pws;
nvpws = CALLOC_STRUCT(nouveau_pipe_winsys);
if (!nvpws)
return NULL;
nvpws->nv = nv;
pws = &nvpws->pws;
pws->flush_frontbuffer = nouveau_flush_frontbuffer;
pws->printf = nouveau_printf;
pws->surface_alloc = nouveau_surface_alloc;
pws->surface_alloc_storage = nouveau_surface_alloc_storage;
pws->surface_release = nouveau_surface_release;
pws->buffer_create = nouveau_pipe_bo_create;
pws->buffer_destroy = nouveau_pipe_bo_del;
pws->user_buffer_create = nouveau_pipe_bo_user_create;
pws->buffer_map = nouveau_pipe_bo_map;
pws->buffer_unmap = nouveau_pipe_bo_unmap;
pws->get_name = nouveau_get_name;
return &nvpws->pws;
}
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