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authorDave Airlie <airlied@redhat.com>2015-01-22 15:11:47 +1000
committerDave Airlie <airlied@redhat.com>2015-10-23 14:40:07 +1000
commita8987b88ff1db4ac00720a9b56c4bc3aeb666537 (patch)
tree1b8e9cf19e11731d3a3df23e80fcadd14c7685a1 /src/gallium/drivers/virgl/virgl_winsys.h
parent531f5d1270782927911c5c720201e86c6f40182d (diff)
virgl: add driver for virtio-gpu 3D (v2)
virgl is the 3D acceleration backend for the virtio-gpu shipping with qemu. The 3D acceleration is designed around gallium and TGSI as the virtualisation layer. The backend renderer translates the virgl interface into OpenGL currently. This is the initial import of the driver to mesa. The kernel driver portions are lined up for drm-next. Currently this driver supports up to GL3.3 and some misc extensions if the host driver exposes it. It is planned to iterate the virgl API to new GL levels as mesa host drivers gain features. v2: fix resource tracking across flushes to avoid ->bind hack in mapping. consolidate mapping and waiting code for transfers. use u_range for dirt tracking. handle larger shaders in protocol. include virtgpu_drm.h in mesa for now. add translation layer for gallium tgsi to virgl tgsi. Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'src/gallium/drivers/virgl/virgl_winsys.h')
-rw-r--r--src/gallium/drivers/virgl/virgl_winsys.h110
1 files changed, 110 insertions, 0 deletions
diff --git a/src/gallium/drivers/virgl/virgl_winsys.h b/src/gallium/drivers/virgl/virgl_winsys.h
new file mode 100644
index 00000000000..76d401b5c12
--- /dev/null
+++ b/src/gallium/drivers/virgl/virgl_winsys.h
@@ -0,0 +1,110 @@
+/*
+ * Copyright 2014, 2015 Red Hat.
+ *
+ * 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
+ * on the rights to use, copy, modify, merge, publish, 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 above copyright notice and this permission notice (including the next
+ * paragraph) 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 NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHOR(S) AND/OR THEIR 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
+ * USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#ifndef VIRGL_WINSYS_H
+#define VIRGL_WINSYS_H
+
+#include "pipe/p_compiler.h"
+
+struct winsys_handle;
+struct virgl_hw_res;
+
+#define VIRGL_MAX_CMDBUF_DWORDS (16*1024)
+
+struct virgl_drm_caps {
+ union virgl_caps caps;
+};
+
+struct virgl_cmd_buf {
+ unsigned cdw;
+ uint32_t *buf;
+};
+
+struct virgl_winsys {
+ unsigned pci_id;
+
+ void (*destroy)(struct virgl_winsys *vws);
+
+ int (*transfer_put)(struct virgl_winsys *vws,
+ struct virgl_hw_res *res,
+ const struct pipe_box *box,
+ uint32_t stride, uint32_t layer_stride,
+ uint32_t buf_offset, uint32_t level);
+
+ int (*transfer_get)(struct virgl_winsys *vws,
+ struct virgl_hw_res *res,
+ const struct pipe_box *box,
+ uint32_t stride, uint32_t layer_stride,
+ uint32_t buf_offset, uint32_t level);
+
+ struct virgl_hw_res *(*resource_create)(struct virgl_winsys *vws,
+ enum pipe_texture_target 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 size);
+
+ void (*resource_unref)(struct virgl_winsys *vws, struct virgl_hw_res *res);
+
+ void *(*resource_map)(struct virgl_winsys *vws, struct virgl_hw_res *res);
+ void (*resource_wait)(struct virgl_winsys *vws, struct virgl_hw_res *res);
+
+ struct virgl_hw_res *(*resource_create_from_handle)(struct virgl_winsys *vws,
+ struct winsys_handle *whandle);
+ boolean (*resource_get_handle)(struct virgl_winsys *vws,
+ struct virgl_hw_res *res,
+ uint32_t stride,
+ struct winsys_handle *whandle);
+
+ struct virgl_cmd_buf *(*cmd_buf_create)(struct virgl_winsys *ws);
+ void (*cmd_buf_destroy)(struct virgl_cmd_buf *buf);
+
+ void (*emit_res)(struct virgl_winsys *vws, struct virgl_cmd_buf *buf, struct virgl_hw_res *res, boolean write_buffer);
+ int (*submit_cmd)(struct virgl_winsys *vws, struct virgl_cmd_buf *buf);
+
+ boolean (*res_is_referenced)(struct virgl_winsys *vws,
+ struct virgl_cmd_buf *buf,
+ struct virgl_hw_res *res);
+
+ int (*get_caps)(struct virgl_winsys *vws, struct virgl_drm_caps *caps);
+
+ /* fence */
+ struct pipe_fence_handle *(*cs_create_fence)(struct virgl_winsys *vws);
+ bool (*fence_wait)(struct virgl_winsys *vws,
+ struct pipe_fence_handle *fence,
+ uint64_t timeout);
+
+ void (*fence_reference)(struct virgl_winsys *vws,
+ struct pipe_fence_handle **dst,
+ struct pipe_fence_handle *src);
+
+ /* for sw paths */
+ void (*flush_frontbuffer)(struct virgl_winsys *vws,
+ struct virgl_hw_res *res,
+ unsigned level, unsigned layer,
+ void *winsys_drawable_handle,
+ struct pipe_box *sub_box);
+};
+
+
+#endif