diff options
Diffstat (limited to 'src/gallium/winsys/dri/nouveau/nouveau_context.c')
| -rw-r--r-- | src/gallium/winsys/dri/nouveau/nouveau_context.c | 206 |
1 files changed, 206 insertions, 0 deletions
diff --git a/src/gallium/winsys/dri/nouveau/nouveau_context.c b/src/gallium/winsys/dri/nouveau/nouveau_context.c new file mode 100644 index 0000000000..01fada5b89 --- /dev/null +++ b/src/gallium/winsys/dri/nouveau/nouveau_context.c @@ -0,0 +1,206 @@ +#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; +} + |