diff options
| -rw-r--r-- | src/gallium/drivers/nouveau/nouveau_screen.c | 72 | ||||
| -rw-r--r-- | src/gallium/winsys/drm/nouveau/drm/nouveau_drm_api.c | 72 |
2 files changed, 78 insertions, 66 deletions
diff --git a/src/gallium/drivers/nouveau/nouveau_screen.c b/src/gallium/drivers/nouveau/nouveau_screen.c index 3c2f771b51..2013eef0c5 100644 --- a/src/gallium/drivers/nouveau/nouveau_screen.c +++ b/src/gallium/drivers/nouveau/nouveau_screen.c @@ -4,6 +4,7 @@ #include "util/u_memory.h" #include "util/u_inlines.h" +#include "util/u_format.h" #include <stdio.h> #include <errno.h> @@ -12,6 +13,9 @@ #include "nouveau_winsys.h" #include "nouveau_screen.h" +/* XXX this should go away */ +#include "state_tracker/drm_api.h" + static const char * nouveau_screen_get_name(struct pipe_screen *pscreen) { @@ -231,6 +235,71 @@ nouveau_screen_fence_finish(struct pipe_screen *screen, return 0; } + +/* + * Both texture_{from|get}_handle use drm api defines directly which they + * shouldn't do. The problem is that from|get are pipe functions and as + * such they should be defined in the pipe level. If nouveau had a propper + * winsys interface we would have added from|get to that interface using + * the winsys_handle struct as done with other drivers. However this code + * calls directly into the libdrm_nouveau.so functions (nouveau_bo_*). So + * we need to translate the handle into something they understand. + */ +static struct pipe_texture * +nouveau_screen_texture_from_handle(struct pipe_screen *pscreen, + const struct pipe_texture *templ, + struct winsys_handle *whandle) +{ + struct nouveau_device *dev = nouveau_screen(pscreen)->device; + struct pipe_texture *pt; + struct pipe_buffer *pb; + int ret; + + pb = CALLOC(1, sizeof(struct pipe_buffer) + sizeof(struct nouveau_bo*)); + if (!pb) + return NULL; + + ret = nouveau_bo_handle_ref(dev, whandle->handle, (struct nouveau_bo**)(pb+1)); + if (ret) { + debug_printf("%s: ref name 0x%08x failed with %d\n", + __func__, whandle->handle, ret); + FREE(pb); + return NULL; + } + + pipe_reference_init(&pb->reference, 1); + pb->screen = pscreen; + pb->alignment = 0; + pb->usage = PIPE_BUFFER_USAGE_GPU_READ_WRITE | + PIPE_BUFFER_USAGE_CPU_READ_WRITE; + pb->size = nouveau_bo(pb)->size; + pt = pscreen->texture_blanket(pscreen, templ, &whandle->stride, pb); + pipe_buffer_reference(&pb, NULL); + return pt; +} + +static boolean +nouveau_screen_texture_get_handle(struct pipe_screen *pscreen, + struct pipe_texture *pt, + struct winsys_handle *whandle) +{ + struct nouveau_miptree *mt = nouveau_miptree(pt); + + if (!mt || !mt->bo) + return false; + + whandle->stride = util_format_get_stride(mt->base.format, mt->base.width0); + + if (whandle->type == DRM_API_HANDLE_TYPE_SHARED) { + return nouveau_bo_handle_get(mt->bo, &whandle->handle) == 0; + } else if (whandle->type == DRM_API_HANDLE_TYPE_KMS) { + whandle->handle = mt->bo->handle; + return TRUE; + } else { + return FALSE; + } +} + int nouveau_screen_init(struct nouveau_screen *screen, struct nouveau_device *dev) { @@ -258,6 +327,9 @@ nouveau_screen_init(struct nouveau_screen *screen, struct nouveau_device *dev) pscreen->fence_signalled = nouveau_screen_fence_signalled; pscreen->fence_finish = nouveau_screen_fence_finish; + pscreen->texture_from_handle = nouveau_screen_texture_from_handle; + pscreen->texture_get_handle = nouveau_screen_texture_get_handle; + return 0; } diff --git a/src/gallium/winsys/drm/nouveau/drm/nouveau_drm_api.c b/src/gallium/winsys/drm/nouveau/drm/nouveau_drm_api.c index 80b5a4c091..af9e92edd9 100644 --- a/src/gallium/winsys/drm/nouveau/drm/nouveau_drm_api.c +++ b/src/gallium/winsys/drm/nouveau/drm/nouveau_drm_api.c @@ -21,6 +21,7 @@ dri_surface_from_handle(struct drm_api *api, struct pipe_screen *pscreen, struct pipe_surface *ps = NULL; struct pipe_texture *pt = NULL; struct pipe_texture tmpl; + struct winsys_handle whandle; memset(&tmpl, 0, sizeof(tmpl)); tmpl.tex_usage = PIPE_TEXTURE_USAGE_SCANOUT; @@ -31,8 +32,11 @@ dri_surface_from_handle(struct drm_api *api, struct pipe_screen *pscreen, tmpl.width0 = width; tmpl.height0 = height; - pt = api->texture_from_shared_handle(api, pscreen, &tmpl, - "front buffer", pitch, handle); + memset(&whandle, 0, sizeof(whandle)); + whandle.stride = pitch; + whandle.handle = handle; + + pt = pscreen->texture_from_handle(pscreen, &tmpl, &whandle); if (!pt) return NULL; @@ -142,74 +146,10 @@ nouveau_drm_create_screen(struct drm_api *api, int fd, return nvws->pscreen; } -static struct pipe_texture * -nouveau_drm_pt_from_name(struct drm_api *api, struct pipe_screen *pscreen, - struct pipe_texture *templ, const char *name, - unsigned stride, unsigned handle) -{ - struct nouveau_device *dev = nouveau_screen(pscreen)->device; - struct pipe_texture *pt; - struct pipe_buffer *pb; - int ret; - - pb = CALLOC(1, sizeof(struct pipe_buffer) + sizeof(struct nouveau_bo*)); - if (!pb) - return NULL; - - ret = nouveau_bo_handle_ref(dev, handle, (struct nouveau_bo**)(pb+1)); - if (ret) { - debug_printf("%s: ref name 0x%08x failed with %d\n", - __func__, handle, ret); - FREE(pb); - return NULL; - } - - pipe_reference_init(&pb->reference, 1); - pb->screen = pscreen; - pb->alignment = 0; - pb->usage = PIPE_BUFFER_USAGE_GPU_READ_WRITE | - PIPE_BUFFER_USAGE_CPU_READ_WRITE; - pb->size = nouveau_bo(pb)->size; - pt = pscreen->texture_blanket(pscreen, templ, &stride, pb); - pipe_buffer_reference(&pb, NULL); - return pt; -} - -static boolean -nouveau_drm_name_from_pt(struct drm_api *api, struct pipe_screen *pscreen, - struct pipe_texture *pt, unsigned *stride, - unsigned *handle) -{ - struct nouveau_miptree *mt = nouveau_miptree(pt); - - if (!mt || !mt->bo) - return false; - - return nouveau_bo_handle_get(mt->bo, handle) == 0; -} - -static boolean -nouveau_drm_handle_from_pt(struct drm_api *api, struct pipe_screen *pscreen, - struct pipe_texture *pt, unsigned *stride, - unsigned *handle) -{ - struct nouveau_miptree *mt = nouveau_miptree(pt); - - if (!mt || !mt->bo) - return false; - - *handle = mt->bo->handle; - *stride = util_format_get_stride(mt->base.format, mt->base.width0); - return true; -} - struct drm_api drm_api_hooks = { .name = "nouveau", .driver_name = "nouveau", .create_screen = nouveau_drm_create_screen, - .texture_from_shared_handle = nouveau_drm_pt_from_name, - .shared_handle_from_texture = nouveau_drm_name_from_pt, - .local_handle_from_texture = nouveau_drm_handle_from_pt, }; struct drm_api * |