+++ /dev/null
-/**********************************************************
- * 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 "util/u_inlines.h"
-#include "util/u_memory.h"
-#include "util/u_format.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 svga_winsys_surface *
-vmw_drm_surface_from_handle(struct svga_winsys_screen *sws,
- struct winsys_handle *whandle,
- SVGA3dSurfaceFormat *format);
-static boolean
-vmw_drm_surface_get_handle(struct svga_winsys_screen *sws,
- struct svga_winsys_surface *surface,
- unsigned stride,
- struct winsys_handle *whandle);
-
-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 = { 1, 0, 0 };
-static struct dri1_api_version drm_compat = { 1, 0, 0 };
-static struct dri1_api_version drm_scanout = { 0, 9, 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;
- boolean use_old_scanout_flag = FALSE;
-
- if (!arg || arg->mode == DRM_CREATE_NORMAL) {
- struct dri1_api_version drm_ver;
- drmVersionPtr ver;
-
- ver = drmGetVersion(fd);
- if (ver == NULL)
- return NULL;
-
- drm_ver.major = ver->version_major;
- drm_ver.minor = ver->version_minor;
- drm_ver.patch_level = 0; /* ??? */
-
- drmFreeVersion(ver);
- if (!vmw_dri1_check_version(&drm_ver, &drm_required,
- &drm_compat, "vmwgfx drm driver"))
- return NULL;
-
- if (!vmw_dri1_check_version(&drm_ver, &drm_scanout,
- &drm_compat, "use old scanout field (not a error)"))
- use_old_scanout_flag = TRUE;
- }
-
- 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;
- if (!vmw_dri1_check_version(&dri1->drm_version, &drm_scanout,
- &drm_compat, "use old scanout field (not a error)"))
- use_old_scanout_flag = TRUE;
- dri1->api = &dri1_api_hooks;
-#if 0
- break;
-#else
- assert(!"No dri 1 support for now\n");
- return NULL;
-#endif
- default:
- return NULL;
- }
- }
-
- vws = vmw_winsys_create( fd, use_old_scanout_flag );
- if (!vws)
- goto out_no_vws;
-
- /* XXX do this properly */
- vws->base.surface_from_handle = vmw_drm_surface_from_handle;
- vws->base.surface_get_handle = vmw_drm_surface_get_handle;
-
- 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)
-{
-#if 0
- 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);
-#else
- assert(!"No dri 1 support for now\n");
-#endif
-}
-
-static struct svga_winsys_surface *
-vmw_drm_surface_from_handle(struct svga_winsys_screen *sws,
- struct winsys_handle *whandle,
- SVGA3dSurfaceFormat *format)
-{
- struct vmw_svga_winsys_surface *vsrf;
- struct svga_winsys_surface *ssrf;
- struct vmw_winsys_screen *vws = vmw_winsys_screen(sws);
- 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 = whandle->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",
- whandle->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",
- whandle->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",
- whandle->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->screen = vws;
- vsrf->sid = whandle->handle;
- ssrf = svga_winsys_surface(vsrf);
- *format = rep->format;
-
- return ssrf;
-
-out_mip:
- vmw_ioctl_surface_destroy(vws, whandle->handle);
- return NULL;
-}
-
-static boolean
-vmw_drm_surface_get_handle(struct svga_winsys_screen *sws,
- struct svga_winsys_surface *surface,
- unsigned stride,
- struct winsys_handle *whandle)
-{
- struct vmw_svga_winsys_surface *vsrf;
-
- if (!surface)
- return FALSE;
-
- vsrf = vmw_svga_winsys_surface(surface);
- whandle->handle = vsrf->sid;
- whandle->stride = stride;
-
- return TRUE;
-}
-
-
-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",
- .driver_name = "vmwgfx",
- .create_screen = vmw_drm_create_screen,
-};
-
-struct drm_api* drm_api_create()
-{
- return trace_drm_create(&vmw_drm_api_hooks);
-}
projects / mesa.git / blobdiff