diff options
Diffstat (limited to 'src/gallium/winsys/g3dvl/nouveau/nouveau_winsys_pipe.c')
-rw-r--r-- | src/gallium/winsys/g3dvl/nouveau/nouveau_winsys_pipe.c | 282 |
1 files changed, 0 insertions, 282 deletions
diff --git a/src/gallium/winsys/g3dvl/nouveau/nouveau_winsys_pipe.c b/src/gallium/winsys/g3dvl/nouveau/nouveau_winsys_pipe.c deleted file mode 100644 index 2d8463037f7..00000000000 --- a/src/gallium/winsys/g3dvl/nouveau/nouveau_winsys_pipe.c +++ /dev/null @@ -1,282 +0,0 @@ -#include "pipe/p_winsys.h" -#include "pipe/p_defines.h" -#include "pipe/p_inlines.h" -#include "util/u_memory.h" - -#include "nouveau_context.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; - dri_drawable_t *dri_drawable = nv->dri_drawable; - - nouveau_copy_buffer(dri_drawable, surf, NULL); -} - -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; -} - -/* Borrowed from Mesa's xm_winsys */ -static unsigned int -round_up(unsigned n, unsigned multiple) -{ - return (n + multiple - 1) & ~(multiple - 1); -} - -static struct pipe_buffer * -nouveau_surface_buffer_create -( - struct pipe_winsys *pws, - unsigned width, - unsigned height, - enum pipe_format format, - unsigned usage, - unsigned *stride -) -{ - const unsigned int ALIGNMENT = 256; - struct pipe_format_block block; - unsigned nblocksx, nblocksy; - - pf_get_block(format, &block); - nblocksx = pf_get_nblocksx(&block, width); - nblocksy = pf_get_nblocksy(&block, height); - *stride = round_up(nblocksx * block.size, ALIGNMENT); - - return winsys->buffer_create(winsys, ALIGNMENT, - usage, - *stride * nblocksy); -} - -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) - winsys_buffer_reference(ws, &surf->buffer, NULL); - free(surf); - } -} - -static uint32_t -nouveau_flags_from_usage(struct nouveau_context *nv, unsigned usage) -{ - uint32_t flags = NOUVEAU_BO_LOCAL; - - 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; - } - - if (usage & PIPE_BUFFER_USAGE_VERTEX) { - if (nv->cap.hw_vertex_buffer) - flags |= NOUVEAU_BO_GART; - } - - if (usage & PIPE_BUFFER_USAGE_INDEX) { - if (nv->cap.hw_index_buffer) - flags |= NOUVEAU_BO_GART; - } - - return flags; -} - -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_context *nv = nvpws->nv; - struct nouveau_device *dev = nv->nv_screen->device; - struct nouveau_pipe_buffer *nvbuf; - uint32_t flags; - - 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_flags_from_usage(nv, 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 *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); - free(nvbuf); -} - -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 ((map_flags & NOUVEAU_BO_RDWR) == NOUVEAU_BO_WR && - !nouveau_bo_busy(nvbuf->bo, map_flags)) { - /* XXX: Technically incorrect. If the client maps a buffer for write-only - * and leaves part of the buffer untouched it probably expects those parts - * to remain intact. This is violated because we allocate a whole new buffer - * and don't copy the previous buffer's contents, so this optimization is - * only valid if the client intends to overwrite the whole buffer. - */ - struct nouveau_pipe_winsys *nvpws = (struct nouveau_pipe_winsys *)pws; - struct nouveau_context *nv = nvpws->nv; - struct nouveau_device *dev = nv->nv_screen->device; - struct nouveau_bo *rename; - uint32_t flags = nouveau_flags_from_usage(nv, buf->usage); - - if (!nouveau_bo_new(dev, flags, buf->alignment, buf->size, &rename)) { - nouveau_bo_del(&nvbuf->bo); - nvbuf->bo = rename; - } - } - - 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); -} - -static INLINE struct nouveau_fence * -nouveau_pipe_fence(struct pipe_fence_handle *pfence) -{ - return (struct nouveau_fence *)pfence; -} - -static void -nouveau_pipe_fence_reference(struct pipe_winsys *ws, - struct pipe_fence_handle **ptr, - struct pipe_fence_handle *pfence) -{ - nouveau_fence_ref((void *)pfence, (void *)ptr); -} - -static int -nouveau_pipe_fence_signalled(struct pipe_winsys *ws, - struct pipe_fence_handle *pfence, unsigned flag) -{ - struct nouveau_pipe_winsys *nvpws = (struct nouveau_pipe_winsys *)ws; - struct nouveau_fence *fence = nouveau_pipe_fence(pfence); - - if (nouveau_fence(fence)->signalled == 0) - nouveau_fence_flush(nvpws->nv->nvc->channel); - - return !nouveau_fence(fence)->signalled; -} - -static int -nouveau_pipe_fence_finish(struct pipe_winsys *ws, - struct pipe_fence_handle *pfence, unsigned flag) -{ - struct nouveau_fence *fence = nouveau_pipe_fence(pfence); - struct nouveau_fence *ref = NULL; - - nouveau_fence_ref(fence, &ref); - return nouveau_fence_wait(&ref); -} - -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->surface_buffer_create = nouveau_surface_buffer_create; - - 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->fence_reference = nouveau_pipe_fence_reference; - pws->fence_signalled = nouveau_pipe_fence_signalled; - pws->fence_finish = nouveau_pipe_fence_finish; - - pws->get_name = nouveau_get_name; - - return &nvpws->pws; -} |