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#include "main/glheader.h"
#include "glapi/glthread.h"
#include <GL/internal/glcore.h>
#include "utils.h"
#include "state_tracker/st_public.h"
#include "pipe/p_defines.h"
#include "pipe/p_context.h"
#include "nouveau_context.h"
#include "nouveau_dri.h"
#include "nouveau_local.h"
#include "nouveau_screen.h"
#include "nouveau_winsys_pipe.h"
#ifdef DEBUG
static const struct dri_debug_control debug_control[] = {
{ "bo", DEBUG_BO },
{ NULL, 0 }
};
int __nouveau_debug = 0;
#endif
GLboolean
nouveau_context_create(const __GLcontextModes *glVis,
__DRIcontextPrivate *driContextPriv,
void *sharedContextPrivate)
{
__DRIscreenPrivate *driScrnPriv = driContextPriv->driScreenPriv;
struct nouveau_screen *nv_screen = driScrnPriv->private;
struct nouveau_context *nv = CALLOC_STRUCT(nouveau_context);
struct nouveau_device_priv *nvdev;
struct pipe_context *pipe = NULL;
struct st_context *st_share = NULL;
int ret;
if (sharedContextPrivate) {
st_share = ((struct nouveau_context *)sharedContextPrivate)->st;
}
if ((ret = nouveau_device_get_param(nv_screen->device,
NOUVEAU_GETPARAM_CHIPSET_ID,
&nv->chipset))) {
NOUVEAU_ERR("Error determining chipset id: %d\n", ret);
return GL_FALSE;
}
if ((ret = nouveau_channel_alloc(nv_screen->device,
0x8003d001, 0x8003d002,
&nv->channel))) {
NOUVEAU_ERR("Error creating GPU channel: %d\n", ret);
return GL_FALSE;
}
driContextPriv->driverPrivate = (void *)nv;
nv->nv_screen = nv_screen;
nv->dri_screen = driScrnPriv;
nvdev = nouveau_device(nv_screen->device);
nvdev->ctx = driContextPriv->hHWContext;
nvdev->lock = (drmLock *)&driScrnPriv->pSAREA->lock;
driParseConfigFiles(&nv->dri_option_cache, &nv_screen->option_cache,
nv->dri_screen->myNum, "nouveau");
#ifdef DEBUG
__nouveau_debug = driParseDebugString(getenv("NOUVEAU_DEBUG"),
debug_control);
#endif
/*XXX: Hack up a fake region and buffer object for front buffer.
* This will go away with TTM, replaced with a simple reference
* of the front buffer handle passed to us by the DDX.
*/
{
struct pipe_surface *fb_surf;
struct nouveau_pipe_buffer *fb_buf;
struct nouveau_bo_priv *fb_bo;
fb_bo = calloc(1, sizeof(struct nouveau_bo_priv));
fb_bo->drm.offset = nv_screen->front_offset;
fb_bo->drm.flags = NOUVEAU_MEM_FB;
fb_bo->drm.size = nv_screen->front_pitch *
nv_screen->front_height;
fb_bo->refcount = 1;
fb_bo->base.flags = NOUVEAU_BO_PIN | NOUVEAU_BO_VRAM;
fb_bo->base.offset = fb_bo->drm.offset;
fb_bo->base.handle = (unsigned long)fb_bo;
fb_bo->base.size = fb_bo->drm.size;
fb_bo->base.device = nv_screen->device;
fb_buf = calloc(1, sizeof(struct nouveau_pipe_buffer));
fb_buf->bo = &fb_bo->base;
fb_surf = calloc(1, sizeof(struct pipe_surface));
fb_surf->cpp = nv_screen->front_cpp;
fb_surf->pitch = nv_screen->front_pitch / fb_surf->cpp;
fb_surf->height = nv_screen->front_height;
fb_surf->refcount = 1;
fb_surf->buffer = &fb_buf->base;
nv->frontbuffer = fb_surf;
}
if ((ret = nouveau_grobj_alloc(nv->channel, 0x00000000, 0x30,
&nv->NvNull))) {
NOUVEAU_ERR("Error creating NULL object: %d\n", ret);
return GL_FALSE;
}
nv->next_handle = 0x80000000;
if ((ret = nouveau_notifier_alloc(nv->channel, nv->next_handle++, 1,
&nv->sync_notifier))) {
NOUVEAU_ERR("Error creating channel sync notifier: %d\n", ret);
return GL_FALSE;
}
if (nv->chipset < 0x50)
ret = nouveau_surface_init_nv04(nv);
else
ret = nouveau_surface_init_nv50(nv);
if (ret) {
return GL_FALSE;
}
if (!getenv("NOUVEAU_FORCE_SOFTPIPE")) {
pipe = nouveau_pipe_create(nv);
if (!pipe)
NOUVEAU_ERR("Couldn't create hw pipe\n");
}
if (!pipe) {
NOUVEAU_MSG("Using softpipe\n");
pipe = nouveau_create_softpipe(nv);
if (!pipe) {
NOUVEAU_ERR("Error creating pipe, bailing\n");
return GL_FALSE;
}
}
pipe->priv = nv;
nv->st = st_create_context(pipe, glVis, st_share);
return GL_TRUE;
}
void
nouveau_context_destroy(__DRIcontextPrivate *driContextPriv)
{
struct nouveau_context *nv = driContextPriv->driverPrivate;
assert(nv);
st_flush(nv->st, PIPE_FLUSH_WAIT);
st_destroy_context(nv->st);
nouveau_grobj_free(&nv->NvCtxSurf2D);
nouveau_grobj_free(&nv->NvImageBlit);
nouveau_channel_free(&nv->channel);
free(nv);
}
GLboolean
nouveau_context_bind(__DRIcontextPrivate *driContextPriv,
__DRIdrawablePrivate *driDrawPriv,
__DRIdrawablePrivate *driReadPriv)
{
struct nouveau_context *nv;
struct nouveau_framebuffer *draw, *read;
if (!driContextPriv) {
st_make_current(NULL, NULL, NULL);
return GL_TRUE;
}
nv = driContextPriv->driverPrivate;
draw = driDrawPriv->driverPrivate;
read = driReadPriv->driverPrivate;
st_make_current(nv->st, draw->stfb, read->stfb);
if ((nv->dri_drawable != driDrawPriv) ||
(nv->last_stamp != driDrawPriv->lastStamp)) {
nv->dri_drawable = driDrawPriv;
st_resize_framebuffer(draw->stfb, driDrawPriv->w,
driDrawPriv->h);
nv->last_stamp = driDrawPriv->lastStamp;
}
if (driDrawPriv != driReadPriv) {
st_resize_framebuffer(read->stfb, driReadPriv->w,
driReadPriv->h);
}
return GL_TRUE;
}
GLboolean
nouveau_context_unbind(__DRIcontextPrivate *driContextPriv)
{
struct nouveau_context *nv = driContextPriv->driverPrivate;
(void)nv;
st_flush(nv->st, 0);
return GL_TRUE;
}
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