/************************************************************************** * * Copyright (C) 2014 Red Hat Inc. * * 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 without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * 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 above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * 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 NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS 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 USE OR * OTHER DEALINGS IN THE SOFTWARE. * **************************************************************************/ /* library interface from QEMU to virglrenderer */ #ifndef VIRGLRENDERER_H #define VIRGLRENDERER_H #include #include struct virgl_box; struct iovec; #define VIRGL_EXPORT __attribute__((visibility("default"))) typedef void *virgl_renderer_gl_context; struct virgl_renderer_gl_ctx_param { int version; bool shared; int major_ver; int minor_ver; }; struct virgl_renderer_callbacks { int version; void (*write_fence)(void *cookie, uint32_t fence); /* interact with GL implementation */ virgl_renderer_gl_context (*create_gl_context)(void *cookie, int scanout_idx, struct virgl_renderer_gl_ctx_param *param); void (*destroy_gl_context)(void *cookie, virgl_renderer_gl_context ctx); int (*make_current)(void *cookie, int scanout_idx, virgl_renderer_gl_context ctx); }; /* virtio-gpu compatible interface */ #define VIRGL_RENDERER_USE_EGL 1 /* * Wait for sync objects in thread rather than polling * need to use virgl_renderer_get_poll_fd to know if this feature is in effect. */ #define VIRGL_RENDERER_THREAD_SYNC 2 #define VIRGL_RENDERER_USE_GLX (1 << 2) VIRGL_EXPORT int virgl_renderer_init(void *cookie, int flags, struct virgl_renderer_callbacks *cb); VIRGL_EXPORT void virgl_renderer_poll(void); /* force fences */ /* we need to give qemu the cursor resource contents */ VIRGL_EXPORT void *virgl_renderer_get_cursor_data(uint32_t resource_id, uint32_t *width, uint32_t *height); VIRGL_EXPORT void virgl_renderer_get_rect(int resource_id, struct iovec *iov, unsigned int num_iovs, uint32_t offset, int x, int y, int width, int height); VIRGL_EXPORT int virgl_renderer_get_fd_for_texture(uint32_t tex_id, int *fd); /* virgl bind flags - these are compatible with mesa 10.5 gallium. but are fixed, no other should be passed to virgl either. */ #define VIRGL_RES_BIND_DEPTH_STENCIL (1 << 0) #define VIRGL_RES_BIND_RENDER_TARGET (1 << 1) #define VIRGL_RES_BIND_SAMPLER_VIEW (1 << 3) #define VIRGL_RES_BIND_VERTEX_BUFFER (1 << 4) #define VIRGL_RES_BIND_INDEX_BUFFER (1 << 5) #define VIRGL_RES_BIND_CONSTANT_BUFFER (1 << 6) #define VIRGL_RES_BIND_STREAM_OUTPUT (1 << 11) #define VIRGL_RES_BIND_CURSOR (1 << 16) #define VIRGL_RES_BIND_CUSTOM (1 << 17) struct virgl_renderer_resource_create_args { uint32_t handle; uint32_t target; uint32_t format; uint32_t bind; uint32_t width; uint32_t height; uint32_t depth; uint32_t array_size; uint32_t last_level; uint32_t nr_samples; uint32_t flags; }; /* new API */ VIRGL_EXPORT int virgl_renderer_resource_create(struct virgl_renderer_resource_create_args *args, struct iovec *iov, uint32_t num_iovs); VIRGL_EXPORT void virgl_renderer_resource_unref(uint32_t res_handle); VIRGL_EXPORT int virgl_renderer_context_create(uint32_t handle, uint32_t nlen, const char *name); VIRGL_EXPORT void virgl_renderer_context_destroy(uint32_t handle); VIRGL_EXPORT int virgl_renderer_submit_cmd(void *buffer, int ctx_id, int ndw); VIRGL_EXPORT int virgl_renderer_transfer_read_iov(uint32_t handle, uint32_t ctx_id, uint32_t level, uint32_t stride, uint32_t layer_stride, struct virgl_box *box, uint64_t offset, struct iovec *iov, int iovec_cnt); VIRGL_EXPORT int virgl_renderer_transfer_write_iov(uint32_t handle, uint32_t ctx_id, int level, uint32_t stride, uint32_t layer_stride, struct virgl_box *box, uint64_t offset, struct iovec *iovec, unsigned int iovec_cnt); VIRGL_EXPORT void virgl_renderer_get_cap_set(uint32_t set, uint32_t *max_ver, uint32_t *max_size); VIRGL_EXPORT void virgl_renderer_fill_caps(uint32_t set, uint32_t version, void *caps); VIRGL_EXPORT int virgl_renderer_resource_attach_iov(int res_handle, struct iovec *iov, int num_iovs); VIRGL_EXPORT void virgl_renderer_resource_detach_iov(int res_handle, struct iovec **iov, int *num_iovs); VIRGL_EXPORT int virgl_renderer_create_fence(int client_fence_id, uint32_t ctx_id); VIRGL_EXPORT void virgl_renderer_force_ctx_0(void); VIRGL_EXPORT void virgl_renderer_ctx_attach_resource(int ctx_id, int res_handle); VIRGL_EXPORT void virgl_renderer_ctx_detach_resource(int ctx_id, int res_handle); /* return information about a resource */ struct virgl_renderer_resource_info { uint32_t handle; uint32_t virgl_format; uint32_t width; uint32_t height; uint32_t depth; uint32_t flags; uint32_t tex_id; uint32_t stride; int drm_fourcc; }; VIRGL_EXPORT int virgl_renderer_resource_get_info(int res_handle, struct virgl_renderer_resource_info *info); VIRGL_EXPORT void virgl_renderer_cleanup(void *cookie); /* reset the rendererer - destroy all contexts and resource */ VIRGL_EXPORT void virgl_renderer_reset(void); VIRGL_EXPORT int virgl_renderer_get_poll_fd(void); #endif