diff options
Diffstat (limited to 'src/gallium/winsys/drm/nouveau/common/nouveau_winsys_pipe.c')
| -rw-r--r-- | src/gallium/winsys/drm/nouveau/common/nouveau_winsys_pipe.c | 242 |
1 files changed, 242 insertions, 0 deletions
diff --git a/src/gallium/winsys/drm/nouveau/common/nouveau_winsys_pipe.c b/src/gallium/winsys/drm/nouveau/common/nouveau_winsys_pipe.c new file mode 100644 index 00000000000..881df985563 --- /dev/null +++ b/src/gallium/winsys/drm/nouveau/common/nouveau_winsys_pipe.c @@ -0,0 +1,242 @@ +#include "pipe/internal/p_winsys_screen.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_winsys_pipe.h" + +static const char * +nouveau_get_name(struct pipe_winsys *pws) +{ + return "Nouveau/DRI"; +} + +static uint32_t +nouveau_flags_from_usage(struct nouveau_context *nv, unsigned usage) +{ + struct nouveau_device *dev = nv->nv_screen->device; + 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; + + switch (dev->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 (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_STRUCT(nouveau_pipe_buffer); + 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_STRUCT(nouveau_pipe_buffer); + 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_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 0 + if (flags & PIPE_BUFFER_USAGE_DISCARD && + !(flags & PIPE_BUFFER_USAGE_CPU_READ) && + nouveau_bo_busy(nvbuf->bo, map_flags)) { + 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_ref(NULL, &nvbuf->bo); + nvbuf->bo = rename; + } + } +#endif + + 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; +} + +struct pipe_surface * +nouveau_surface_buffer_ref(struct nouveau_context *nv, struct pipe_buffer *pb, + enum pipe_format format, int w, int h, + unsigned pitch, struct pipe_texture **ppt) +{ + struct pipe_screen *pscreen = nv->nvc->pscreen; + struct pipe_texture tmpl, *pt; + struct pipe_surface *ps; + + memset(&tmpl, 0, sizeof(tmpl)); + tmpl.tex_usage = PIPE_TEXTURE_USAGE_DISPLAY_TARGET | + NOUVEAU_TEXTURE_USAGE_LINEAR; + tmpl.target = PIPE_TEXTURE_2D; + tmpl.width[0] = w; + tmpl.height[0] = h; + tmpl.depth[0] = 1; + tmpl.format = format; + pf_get_block(tmpl.format, &tmpl.block); + tmpl.nblocksx[0] = pf_get_nblocksx(&tmpl.block, w); + tmpl.nblocksy[0] = pf_get_nblocksy(&tmpl.block, h); + + pt = pscreen->texture_blanket(pscreen, &tmpl, &pitch, pb); + if (!pt) + return NULL; + + ps = pscreen->get_tex_surface(pscreen, pt, 0, 0, 0, + PIPE_BUFFER_USAGE_GPU_WRITE); + + *ppt = pt; + return ps; +} + +static void +nouveau_destroy(struct pipe_winsys *pws) +{ + FREE(pws); +} + +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->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; + pws->destroy = nouveau_destroy; + + return &nvpws->pws; +} |