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Diffstat (limited to 'src/gallium/winsys/drm/vmware/core/vmw_screen_dri.c')
-rw-r--r--src/gallium/winsys/drm/vmware/core/vmw_screen_dri.c372
1 files changed, 372 insertions, 0 deletions
diff --git a/src/gallium/winsys/drm/vmware/core/vmw_screen_dri.c b/src/gallium/winsys/drm/vmware/core/vmw_screen_dri.c
new file mode 100644
index 0000000000..4f5ccea467
--- /dev/null
+++ b/src/gallium/winsys/drm/vmware/core/vmw_screen_dri.c
@@ -0,0 +1,372 @@
+/**********************************************************
+ * Copyright 2009 VMware, Inc. 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 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.
+ *
+ **********************************************************/
+
+
+#include "pipe/p_compiler.h"
+#include "pipe/p_inlines.h"
+#include "util/u_memory.h"
+#include "vmw_screen.h"
+
+#include "trace/tr_drm.h"
+
+#include "vmw_screen.h"
+#include "vmw_surface.h"
+#include "vmw_fence.h"
+#include "vmw_context.h"
+
+#include <state_tracker/dri1_api.h>
+#include <state_tracker/drm_api.h>
+#include <vmwgfx_drm.h>
+#include <xf86drm.h>
+
+#include <stdio.h>
+
+static struct dri1_api dri1_api_hooks;
+static struct dri1_api_version ddx_required = { 0, 1, 0 };
+static struct dri1_api_version ddx_compat = { 0, 0, 0 };
+static struct dri1_api_version dri_required = { 4, 0, 0 };
+static struct dri1_api_version dri_compat = { 4, 0, 0 };
+static struct dri1_api_version drm_required = { 0, 1, 0 };
+static struct dri1_api_version drm_compat = { 0, 0, 0 };
+
+static boolean
+vmw_dri1_check_version(const struct dri1_api_version *cur,
+ const struct dri1_api_version *required,
+ const struct dri1_api_version *compat,
+ const char component[])
+{
+ if (cur->major > required->major && cur->major <= compat->major)
+ return TRUE;
+ if (cur->major == required->major && cur->minor >= required->minor)
+ return TRUE;
+
+ fprintf(stderr, "%s version failure.\n", component);
+ fprintf(stderr, "%s version is %d.%d.%d and this driver can only work\n"
+ "with versions %d.%d.x through %d.x.x.\n",
+ component,
+ cur->major,
+ cur->minor,
+ cur->patch_level, required->major, required->minor, compat->major);
+ return FALSE;
+}
+
+/* This is actually the entrypoint to the entire driver, called by the
+ * libGL (or EGL, or ...) code via the drm_api_hooks table at the
+ * bottom of the file.
+ */
+static struct pipe_screen *
+vmw_drm_create_screen(struct drm_api *drm_api,
+ int fd,
+ struct drm_create_screen_arg *arg)
+{
+ struct vmw_winsys_screen *vws;
+ struct pipe_screen *screen;
+ struct dri1_create_screen_arg *dri1;
+
+ if (arg != NULL) {
+ switch (arg->mode) {
+ case DRM_CREATE_NORMAL:
+ break;
+ case DRM_CREATE_DRI1:
+ dri1 = (struct dri1_create_screen_arg *)arg;
+ if (!vmw_dri1_check_version(&dri1->ddx_version, &ddx_required,
+ &ddx_compat, "ddx - driver api"))
+ return NULL;
+ if (!vmw_dri1_check_version(&dri1->dri_version, &dri_required,
+ &dri_compat, "dri info"))
+ return NULL;
+ if (!vmw_dri1_check_version(&dri1->drm_version, &drm_required,
+ &drm_compat, "vmwgfx drm driver"))
+ return NULL;
+ dri1->api = &dri1_api_hooks;
+ break;
+ default:
+ return NULL;
+ }
+ }
+
+ vws = vmw_winsys_create( fd );
+ if (!vws)
+ goto out_no_vws;
+
+ screen = svga_screen_create( &vws->base );
+ if (!screen)
+ goto out_no_screen;
+
+ return screen;
+
+ /* Failure cases:
+ */
+out_no_screen:
+ vmw_winsys_destroy( vws );
+
+out_no_vws:
+ return NULL;
+}
+
+static INLINE boolean
+vmw_dri1_intersect_src_bbox(struct drm_clip_rect *dst,
+ int dst_x,
+ int dst_y,
+ const struct drm_clip_rect *src,
+ const struct drm_clip_rect *bbox)
+{
+ int xy1;
+ int xy2;
+
+ xy1 = ((int)src->x1 > (int)bbox->x1 + dst_x) ? src->x1 :
+ (int)bbox->x1 + dst_x;
+ xy2 = ((int)src->x2 < (int)bbox->x2 + dst_x) ? src->x2 :
+ (int)bbox->x2 + dst_x;
+ if (xy1 >= xy2 || xy1 < 0)
+ return FALSE;
+
+ dst->x1 = xy1;
+ dst->x2 = xy2;
+
+ xy1 = ((int)src->y1 > (int)bbox->y1 + dst_y) ? src->y1 :
+ (int)bbox->y1 + dst_y;
+ xy2 = ((int)src->y2 < (int)bbox->y2 + dst_y) ? src->y2 :
+ (int)bbox->y2 + dst_y;
+ if (xy1 >= xy2 || xy1 < 0)
+ return FALSE;
+
+ dst->y1 = xy1;
+ dst->y2 = xy2;
+ return TRUE;
+}
+
+/**
+ * No fancy get-surface-from-sarea stuff here.
+ * Just use the present blit.
+ */
+
+static void
+vmw_dri1_present_locked(struct pipe_context *locked_pipe,
+ struct pipe_surface *surf,
+ const struct drm_clip_rect *rect,
+ unsigned int num_clip,
+ int x_draw, int y_draw,
+ const struct drm_clip_rect *bbox,
+ struct pipe_fence_handle **p_fence)
+{
+ struct svga_winsys_surface *srf =
+ svga_screen_texture_get_winsys_surface(surf->texture);
+ struct vmw_svga_winsys_surface *vsrf = vmw_svga_winsys_surface(srf);
+ struct vmw_winsys_screen *vws =
+ vmw_winsys_screen(svga_winsys_screen(locked_pipe->screen));
+ struct drm_clip_rect clip;
+ int i;
+ struct
+ {
+ SVGA3dCmdHeader header;
+ SVGA3dCmdPresent body;
+ SVGA3dCopyRect rect;
+ } cmd;
+ boolean visible = FALSE;
+ uint32_t fence_seq = 0;
+
+ VMW_FUNC;
+ cmd.header.id = SVGA_3D_CMD_PRESENT;
+ cmd.header.size = sizeof cmd.body + sizeof cmd.rect;
+ cmd.body.sid = vsrf->sid;
+
+ for (i = 0; i < num_clip; ++i) {
+ if (!vmw_dri1_intersect_src_bbox(&clip, x_draw, y_draw, rect++, bbox))
+ continue;
+
+ cmd.rect.x = clip.x1;
+ cmd.rect.y = clip.y1;
+ cmd.rect.w = clip.x2 - clip.x1;
+ cmd.rect.h = clip.y2 - clip.y1;
+ cmd.rect.srcx = (int)clip.x1 - x_draw;
+ cmd.rect.srcy = (int)clip.y1 - y_draw;
+
+ vmw_printf("%s: Clip %d x %d y %d w %d h %d srcx %d srcy %d\n",
+ __FUNCTION__,
+ i,
+ cmd.rect.x,
+ cmd.rect.y,
+ cmd.rect.w, cmd.rect.h, cmd.rect.srcx, cmd.rect.srcy);
+
+ vmw_ioctl_command(vws, &cmd, sizeof cmd.header + cmd.header.size,
+ &fence_seq);
+ visible = TRUE;
+ }
+
+ *p_fence = (visible) ? vmw_pipe_fence(fence_seq) : NULL;
+ vmw_svga_winsys_surface_reference(&vsrf, NULL);
+}
+
+/**
+ * FIXME: We'd probably want to cache these buffers in the
+ * screen, based on handle.
+ */
+
+static struct pipe_buffer *
+vmw_drm_buffer_from_handle(struct drm_api *drm_api,
+ struct pipe_screen *screen,
+ const char *name,
+ unsigned handle)
+{
+ struct vmw_svga_winsys_surface *vsrf;
+ struct svga_winsys_surface *ssrf;
+ struct vmw_winsys_screen *vws =
+ vmw_winsys_screen(svga_winsys_screen(screen));
+ struct pipe_buffer *buf;
+ union drm_vmw_surface_reference_arg arg;
+ struct drm_vmw_surface_arg *req = &arg.req;
+ struct drm_vmw_surface_create_req *rep = &arg.rep;
+ int ret;
+ int i;
+
+ /**
+ * The vmware device specific handle is the hardware SID.
+ * FIXME: We probably want to move this to the ioctl implementations.
+ */
+
+ memset(&arg, 0, sizeof(arg));
+ req->sid = handle;
+
+ ret = drmCommandWriteRead(vws->ioctl.drm_fd, DRM_VMW_REF_SURFACE,
+ &arg, sizeof(arg));
+
+ if (ret) {
+ fprintf(stderr, "Failed referencing shared surface. SID %d.\n"
+ "Error %d (%s).\n",
+ handle, ret, strerror(-ret));
+ return NULL;
+ }
+
+ if (rep->mip_levels[0] != 1) {
+ fprintf(stderr, "Incorrect number of mipmap levels on shared surface."
+ " SID %d, levels %d\n",
+ handle, rep->mip_levels[0]);
+ goto out_mip;
+ }
+
+ for (i=1; i < DRM_VMW_MAX_SURFACE_FACES; ++i) {
+ if (rep->mip_levels[i] != 0) {
+ fprintf(stderr, "Incorrect number of faces levels on shared surface."
+ " SID %d, face %d present.\n",
+ handle, i);
+ goto out_mip;
+ }
+ }
+
+ vsrf = CALLOC_STRUCT(vmw_svga_winsys_surface);
+ if (!vsrf)
+ goto out_mip;
+
+ pipe_reference_init(&vsrf->refcnt, 1);
+ p_atomic_set(&vsrf->validated, 0);
+ vsrf->sid = handle;
+ ssrf = svga_winsys_surface(vsrf);
+ buf = svga_screen_buffer_wrap_surface(screen, rep->format, ssrf);
+ if (!buf)
+ vmw_svga_winsys_surface_reference(&vsrf, NULL);
+
+ return buf;
+ out_mip:
+ vmw_ioctl_surface_destroy(vws, handle);
+ return NULL;
+}
+
+static struct pipe_texture *
+vmw_drm_texture_from_handle(struct drm_api *drm_api,
+ struct pipe_screen *screen,
+ struct pipe_texture *templat,
+ const char *name,
+ unsigned stride,
+ unsigned handle)
+{
+ struct pipe_buffer *buffer;
+ buffer = vmw_drm_buffer_from_handle(drm_api, screen, name, handle);
+
+ if (!buffer)
+ return NULL;
+
+ return screen->texture_blanket(screen, templat, &stride, buffer);
+}
+
+static boolean
+vmw_drm_handle_from_buffer(struct drm_api *drm_api,
+ struct pipe_screen *screen,
+ struct pipe_buffer *buffer,
+ unsigned *handle)
+{
+ struct svga_winsys_surface *surface =
+ svga_screen_buffer_get_winsys_surface(buffer);
+ struct vmw_svga_winsys_surface *vsrf;
+
+ if (!surface)
+ return FALSE;
+
+ vsrf = vmw_svga_winsys_surface(surface);
+ *handle = vsrf->sid;
+ vmw_svga_winsys_surface_reference(&vsrf, NULL);
+ return TRUE;
+}
+
+static boolean
+vmw_drm_handle_from_texture(struct drm_api *drm_api,
+ struct pipe_screen *screen,
+ struct pipe_texture *texture,
+ unsigned *stride,
+ unsigned *handle)
+{
+ struct pipe_buffer *buffer;
+
+ if (!svga_screen_buffer_from_texture(texture, &buffer, stride))
+ return FALSE;
+
+ return vmw_drm_handle_from_buffer(drm_api, screen, buffer, handle);
+}
+
+static struct pipe_context*
+vmw_drm_create_context(struct drm_api *drm_api,
+ struct pipe_screen *screen)
+{
+ return vmw_svga_context_create(screen);
+}
+
+static struct dri1_api dri1_api_hooks = {
+ .front_srf_locked = NULL,
+ .present_locked = vmw_dri1_present_locked
+};
+
+static struct drm_api vmw_drm_api_hooks = {
+ .name = "vmwgfx",
+ .create_screen = vmw_drm_create_screen,
+ .create_context = vmw_drm_create_context,
+ .texture_from_shared_handle = vmw_drm_texture_from_handle,
+ .shared_handle_from_texture = vmw_drm_handle_from_texture,
+ .local_handle_from_texture = vmw_drm_handle_from_texture,
+};
+
+struct drm_api* drm_api_create()
+{
+ return trace_drm_create(&vmw_drm_api_hooks);
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-03 11:21:10 +0000