diff options
Diffstat (limited to 'src/gallium/winsys/drm/radeon/core/radeon_drm.c')
| -rw-r--r-- | src/gallium/winsys/drm/radeon/core/radeon_drm.c | 121 |
1 files changed, 92 insertions, 29 deletions
diff --git a/src/gallium/winsys/drm/radeon/core/radeon_drm.c b/src/gallium/winsys/drm/radeon/core/radeon_drm.c index 428d3f65a1..47376a0f07 100644 --- a/src/gallium/winsys/drm/radeon/core/radeon_drm.c +++ b/src/gallium/winsys/drm/radeon/core/radeon_drm.c @@ -1,7 +1,7 @@ -/* +/* * Copyright © 2009 Corbin Simpson * All Rights Reserved. - * + * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including @@ -9,14 +9,14 @@ * distribute, sub license, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: - * + * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NON-INFRINGEMENT. IN NO EVENT SHALL THE COPYRIGHT HOLDERS, AUTHORS * AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE * USE OR OTHER DEALINGS IN THE SOFTWARE. * * The above copyright notice and this permission notice (including the @@ -26,13 +26,15 @@ /* * Authors: * Corbin Simpson <MostAwesomeDude@gmail.com> + * Joakim Sindholt <opensource@zhasha.com> */ #include "radeon_drm.h" /* Create a pipe_screen. */ -struct pipe_screen* radeon_create_screen(int drmFB, - struct drm_create_screen_arg *arg) +struct pipe_screen* radeon_create_screen(struct drm_api* api, + int drmFB, + struct drm_create_screen_arg *arg) { struct radeon_winsys* winsys = radeon_pipe_winsys(drmFB); @@ -46,25 +48,30 @@ struct pipe_screen* radeon_create_screen(int drmFB, } /* Create a pipe_context. */ -struct pipe_context* radeon_create_context(struct pipe_screen* screen) +struct pipe_context* radeon_create_context(struct drm_api* api, + struct pipe_screen* screen) { if (getenv("RADEON_SOFTPIPE")) { return radeon_create_softpipe(screen->winsys); } else { - return r300_create_context(screen, screen->winsys); + return r300_create_context(screen, + (struct r300_winsys*)screen->winsys); } } -boolean radeon_buffer_from_texture(struct pipe_texture* texture, +boolean radeon_buffer_from_texture(struct drm_api* api, + struct pipe_texture* texture, struct pipe_buffer** buffer, unsigned* stride) { - return FALSE; + /* XXX fix this */ + return r300_get_texture_buffer(texture, buffer, stride); } /* Create a buffer from a handle. */ /* XXX what's up with name? */ -struct pipe_buffer* radeon_buffer_from_handle(struct pipe_screen* screen, +struct pipe_buffer* radeon_buffer_from_handle(struct drm_api* api, + struct pipe_screen* screen, const char* name, unsigned handle) { @@ -91,33 +98,89 @@ struct pipe_buffer* radeon_buffer_from_handle(struct pipe_screen* screen, return &radeon_buffer->base; } -boolean radeon_handle_from_buffer(struct pipe_screen* screen, - struct pipe_buffer* buffer, - unsigned* handle) +struct pipe_texture* +radeon_texture_from_shared_handle(struct drm_api *api, + struct pipe_screen *screen, + struct pipe_texture *templ, + const char *name, + unsigned stride, + unsigned handle) +{ + struct pipe_buffer *buffer; + + buffer = radeon_buffer_from_handle(api, screen, name, handle); + if (!buffer) { + return NULL; + } + + return screen->texture_blanket(screen, templ, &stride, buffer); +} + +boolean radeon_shared_handle_from_texture(struct drm_api *api, + struct pipe_screen *screen, + struct pipe_texture *texture, + unsigned *stride, + unsigned *handle) { - struct radeon_pipe_buffer* radeon_buffer = - (struct radeon_pipe_buffer*)buffer; - *handle = radeon_buffer->bo->handle; + int retval, fd; + struct drm_gem_flink flink; + struct radeon_pipe_buffer* radeon_buffer; + struct pipe_buffer* buffer = &radeon_buffer->base; + if (!radeon_buffer_from_texture(api, texture, buffer, stride)) { + return FALSE; + } + + if (!radeon_buffer->flinked) { + fd = ((struct radeon_winsys*)screen->winsys)->priv->fd; + + flink.handle = radeon_buffer->bo->handle; + + retval = ioctl(fd, DRM_IOCTL_GEM_FLINK, &flink); + if (retval) { + debug_printf("radeon: DRM_IOCTL_GEM_FLINK failed, error %d\n", + retval); + return FALSE; + } + + radeon_buffer->flink = flink.name; + radeon_buffer->flinked = TRUE; + } + + *handle = radeon_buffer->flink; return TRUE; } -boolean radeon_global_handle_from_buffer(struct pipe_screen* screen, - struct pipe_buffer* buffer, - unsigned* handle) +boolean radeon_local_handle_from_texture(struct drm_api *api, + struct pipe_screen *screen, + struct pipe_texture *texture, + unsigned *stride, + unsigned *handle) { - /* XXX WTF is the difference here? global? */ - struct radeon_pipe_buffer* radeon_buffer = - (struct radeon_pipe_buffer*)buffer; - *handle = radeon_buffer->bo->handle; + struct pipe_buffer *buffer; + if (!radeon_buffer_from_texture(api, texture, &buffer, stride)) { + return FALSE; + } + + *handle = ((struct radeon_pipe_buffer*)buffer)->bo->handle; + + pipe_buffer_reference(&buffer, NULL); + return TRUE; } struct drm_api drm_api_hooks = { .create_screen = radeon_create_screen, .create_context = radeon_create_context, - /* XXX fix this */ - .buffer_from_texture = r300_get_texture_buffer, - .buffer_from_handle = radeon_buffer_from_handle, - .handle_from_buffer = radeon_handle_from_buffer, - .global_handle_from_buffer = radeon_global_handle_from_buffer, + .texture_from_shared_handle = radeon_texture_from_shared_handle, + .shared_handle_from_texture = radeon_shared_handle_from_texture, + .local_handle_from_texture = radeon_local_handle_from_texture, }; + +struct drm_api* drm_api_create() +{ +#ifdef DEBUG + return trace_drm_create(&drm_api_hooks); +#else + return &drm_api_hooks; +#endif +} |