/**************************************************************************
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*
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* Copyright (C) 2014 Red Hat Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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#include <stdio.h>
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#include <time.h>
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#include <epoxy/gl.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <unistd.h>
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#include "pipe/p_state.h"
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#include "util/u_format.h"
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#include "util/u_math.h"
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#include "vrend_renderer.h"
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#include "virglrenderer.h"
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#ifdef HAVE_EPOXY_EGL_H
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#include "virgl_egl.h"
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static struct virgl_egl *egl_info;
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#endif
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#ifdef HAVE_EPOXY_GLX_H
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#include "virgl_glx.h"
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static struct virgl_glx *glx_info;
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#endif
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enum {
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CONTEXT_NONE,
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CONTEXT_EGL,
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CONTEXT_GLX
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};
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static int use_context = CONTEXT_NONE;
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/* new API - just wrap internal API for now */
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int virgl_renderer_resource_create(struct virgl_renderer_resource_create_args *args, struct iovec *iov, uint32_t num_iovs)
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{
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return vrend_renderer_resource_create((struct vrend_renderer_resource_create_args *)args, iov, num_iovs, NULL);
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}
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int virgl_renderer_resource_import_eglimage(struct virgl_renderer_resource_create_args *args, void *image)
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{
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#ifdef HAVE_EPOXY_EGL_H
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return vrend_renderer_resource_create((struct vrend_renderer_resource_create_args *)args, 0, 0, image);
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#else
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return EINVAL;
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#endif
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}
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void virgl_renderer_resource_unref(uint32_t res_handle)
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{
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vrend_renderer_resource_unref(res_handle);
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}
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void virgl_renderer_fill_caps(uint32_t set, uint32_t version,
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void *caps)
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{
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vrend_renderer_fill_caps(set, version, (union virgl_caps *)caps);
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}
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int virgl_renderer_context_create(uint32_t handle, uint32_t nlen, const char *name)
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{
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return vrend_renderer_context_create(handle, nlen, name);
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}
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void virgl_renderer_context_destroy(uint32_t handle)
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{
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vrend_renderer_context_destroy(handle);
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}
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int virgl_renderer_submit_cmd(void *buffer,
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int ctx_id,
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int ndw)
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{
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return vrend_decode_block(ctx_id, buffer, ndw);
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}
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int virgl_renderer_transfer_write_iov(uint32_t handle,
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uint32_t ctx_id,
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int level,
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uint32_t stride,
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uint32_t layer_stride,
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struct virgl_box *box,
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uint64_t offset,
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struct iovec *iovec,
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unsigned int iovec_cnt)
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{
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struct vrend_transfer_info transfer_info;
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transfer_info.handle = handle;
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transfer_info.ctx_id = ctx_id;
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transfer_info.level = level;
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transfer_info.stride = stride;
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transfer_info.layer_stride = layer_stride;
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transfer_info.box = (struct pipe_box *)box;
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transfer_info.offset = offset;
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transfer_info.iovec = iovec;
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transfer_info.iovec_cnt = iovec_cnt;
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return vrend_renderer_transfer_iov(&transfer_info, VREND_TRANSFER_WRITE);
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}
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int virgl_renderer_transfer_read_iov(uint32_t handle, uint32_t ctx_id,
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uint32_t level, uint32_t stride,
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uint32_t layer_stride,
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struct virgl_box *box,
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uint64_t offset, struct iovec *iovec,
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int iovec_cnt)
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{
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struct vrend_transfer_info transfer_info;
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transfer_info.handle = handle;
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transfer_info.ctx_id = ctx_id;
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transfer_info.level = level;
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transfer_info.stride = stride;
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transfer_info.layer_stride = layer_stride;
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transfer_info.box = (struct pipe_box *)box;
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transfer_info.offset = offset;
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transfer_info.iovec = iovec;
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transfer_info.iovec_cnt = iovec_cnt;
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return vrend_renderer_transfer_iov(&transfer_info, VREND_TRANSFER_READ);
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}
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int virgl_renderer_resource_attach_iov(int res_handle, struct iovec *iov,
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int num_iovs)
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{
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return vrend_renderer_resource_attach_iov(res_handle, iov, num_iovs);
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}
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void virgl_renderer_resource_detach_iov(int res_handle, struct iovec **iov_p, int *num_iovs_p)
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{
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return vrend_renderer_resource_detach_iov(res_handle, iov_p, num_iovs_p);
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}
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int virgl_renderer_create_fence(int client_fence_id, uint32_t ctx_id)
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{
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return vrend_renderer_create_fence(client_fence_id, ctx_id);
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}
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void virgl_renderer_force_ctx_0(void)
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{
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vrend_renderer_force_ctx_0();
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}
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void virgl_renderer_ctx_attach_resource(int ctx_id, int res_handle)
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{
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vrend_renderer_attach_res_ctx(ctx_id, res_handle);
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}
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void virgl_renderer_ctx_detach_resource(int ctx_id, int res_handle)
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{
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vrend_renderer_detach_res_ctx(ctx_id, res_handle);
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}
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int virgl_renderer_resource_get_info(int res_handle,
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struct virgl_renderer_resource_info *info)
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{
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int ret;
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ret = vrend_renderer_resource_get_info(res_handle, (struct vrend_renderer_resource_info *)info);
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#ifdef HAVE_EPOXY_EGL_H
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if (ret == 0 && use_context == CONTEXT_EGL)
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return virgl_egl_get_fourcc_for_texture(egl_info, info->tex_id, info->virgl_format, &info->drm_fourcc);
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#endif
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return ret;
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}
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void virgl_renderer_get_cap_set(uint32_t cap_set, uint32_t *max_ver,
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uint32_t *max_size)
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{
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vrend_renderer_get_cap_set(cap_set, max_ver, max_size);
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}
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void virgl_renderer_get_rect(int resource_id, struct iovec *iov, unsigned int num_iovs,
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uint32_t offset, int x, int y, int width, int height)
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{
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vrend_renderer_get_rect(resource_id, iov, num_iovs, offset, x, y, width, height);
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}
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static struct virgl_renderer_callbacks *rcbs;
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static void *dev_cookie;
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static struct vrend_if_cbs virgl_cbs;
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static void virgl_write_fence(uint32_t fence_id)
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{
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rcbs->write_fence(dev_cookie, fence_id);
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}
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static virgl_renderer_gl_context create_gl_context(int scanout_idx, struct virgl_gl_ctx_param *param)
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{
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struct virgl_renderer_gl_ctx_param vparam;
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#ifdef HAVE_EPOXY_EGL_H
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if (use_context == CONTEXT_EGL)
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return virgl_egl_create_context(egl_info, param);
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#endif
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#ifdef HAVE_EPOXY_GLX_H
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if (use_context == CONTEXT_GLX)
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return virgl_glx_create_context(glx_info, param);
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#endif
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vparam.version = 1;
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vparam.shared = param->shared;
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vparam.major_ver = param->major_ver;
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vparam.minor_ver = param->minor_ver;
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return rcbs->create_gl_context(dev_cookie, scanout_idx, &vparam);
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}
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static void destroy_gl_context(virgl_renderer_gl_context ctx)
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{
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#ifdef HAVE_EPOXY_EGL_H
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if (use_context == CONTEXT_EGL)
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return virgl_egl_destroy_context(egl_info, ctx);
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#endif
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#ifdef HAVE_EPOXY_GLX_H
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if (use_context == CONTEXT_GLX)
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return virgl_glx_destroy_context(glx_info, ctx);
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#endif
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return rcbs->destroy_gl_context(dev_cookie, ctx);
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}
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static int make_current(int scanout_idx, virgl_renderer_gl_context ctx)
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{
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#ifdef HAVE_EPOXY_EGL_H
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if (use_context == CONTEXT_EGL)
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return virgl_egl_make_context_current(egl_info, ctx);
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#endif
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#ifdef HAVE_EPOXY_GLX_H
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if (use_context == CONTEXT_GLX)
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return virgl_glx_make_context_current(glx_info, ctx);
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#endif
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return rcbs->make_current(dev_cookie, scanout_idx, ctx);
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}
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static struct vrend_if_cbs virgl_cbs = {
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virgl_write_fence,
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create_gl_context,
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destroy_gl_context,
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make_current,
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};
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void *virgl_renderer_get_cursor_data(uint32_t resource_id, uint32_t *width, uint32_t *height)
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{
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return vrend_renderer_get_cursor_contents(resource_id, width, height);
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}
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void virgl_renderer_poll(void)
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{
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vrend_renderer_check_queries();
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vrend_renderer_check_fences();
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}
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void virgl_renderer_cleanup(UNUSED void *cookie)
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{
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vrend_renderer_fini();
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#ifdef HAVE_EPOXY_EGL_H
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if (use_context == CONTEXT_EGL) {
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virgl_egl_destroy(egl_info);
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egl_info = NULL;
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use_context = CONTEXT_NONE;
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}
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#endif
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#ifdef HAVE_EPOXY_GLX_H
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if (use_context == CONTEXT_GLX) {
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virgl_glx_destroy(glx_info);
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glx_info = NULL;
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use_context = CONTEXT_NONE;
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}
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#endif
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}
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int virgl_renderer_init(void *cookie, int flags, struct virgl_renderer_callbacks *cbs)
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{
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uint32_t renderer_flags = 0;
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if (!cookie || !cbs)
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return -1;
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if (cbs->version < 1 || cbs->version > VIRGL_RENDERER_CALLBACKS_VERSION)
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return -1;
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dev_cookie = cookie;
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rcbs = cbs;
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if (flags & VIRGL_RENDERER_USE_EGL) {
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#ifdef HAVE_EPOXY_EGL_H
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int fd = -1;
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if (cbs->version >= 2 && cbs->get_drm_fd) {
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fd = cbs->get_drm_fd(cookie);
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}
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egl_info = virgl_egl_init(fd, flags & VIRGL_RENDERER_USE_SURFACELESS,
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flags & VIRGL_RENDERER_USE_GLES);
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if (!egl_info)
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return -1;
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use_context = CONTEXT_EGL;
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#else
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fprintf(stderr, "EGL is not supported on this platform\n");
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return -1;
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#endif
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} else if (flags & VIRGL_RENDERER_USE_GLX) {
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#ifdef HAVE_EPOXY_GLX_H
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glx_info = virgl_glx_init();
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if (!glx_info)
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return -1;
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use_context = CONTEXT_GLX;
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#else
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fprintf(stderr, "GLX is not supported on this platform\n");
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return -1;
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#endif
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}
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if (flags & VIRGL_RENDERER_THREAD_SYNC)
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renderer_flags |= VREND_USE_THREAD_SYNC;
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return vrend_renderer_init(&virgl_cbs, renderer_flags);
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}
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int virgl_renderer_get_fd_for_texture(uint32_t tex_id, int *fd)
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{
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#ifdef HAVE_EPOXY_EGL_H
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return virgl_egl_get_fd_for_texture(egl_info, tex_id, fd);
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#else
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return -1;
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#endif
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}
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int virgl_renderer_get_fd_for_texture2(uint32_t tex_id, int *fd, int *stride, int *offset)
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{
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#ifdef HAVE_EPOXY_EGL_H
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return virgl_egl_get_fd_for_texture2(egl_info, tex_id, fd, stride, offset);
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#else
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return -1;
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#endif
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}
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void virgl_renderer_reset(void)
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{
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vrend_renderer_reset();
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}
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int virgl_renderer_get_poll_fd(void)
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{
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return vrend_renderer_get_poll_fd();
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}
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