433 lines
16 KiB
C
433 lines
16 KiB
C
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/**************************************************************************
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*
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* Copyright 2008 VMware, Inc.
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* Copyright 2014 Broadcom
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* Copyright 2018 Alyssa Rosenzweig
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* All Rights Reserved.
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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
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* 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
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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#include <xf86drm.h>
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#include <fcntl.h>
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#include <drm_fourcc.h>
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#include "state_tracker/winsys_handle.h"
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#include "util/u_format.h"
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#include "util/u_memory.h"
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#include "util/u_surface.h"
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#include "util/u_transfer.h"
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#include "util/u_transfer_helper.h"
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#include "pan_context.h"
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#include "pan_screen.h"
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#include "pan_resource.h"
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#include "pan_swizzle.h"
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static struct pipe_resource *
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panfrost_resource_from_handle(struct pipe_screen *pscreen,
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const struct pipe_resource *templat,
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struct winsys_handle *whandle,
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unsigned usage)
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{
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struct panfrost_screen *screen = pan_screen(pscreen);
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struct panfrost_resource *rsc;
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struct pipe_resource *prsc;
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assert(whandle->type == WINSYS_HANDLE_TYPE_FD);
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rsc = CALLOC_STRUCT(panfrost_resource);
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if (!rsc)
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return NULL;
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prsc = &rsc->base;
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*prsc = *templat;
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pipe_reference_init(&prsc->reference, 1);
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prsc->screen = pscreen;
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rsc->bo = screen->driver->import_bo(screen, whandle);
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return prsc;
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}
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static boolean
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panfrost_resource_get_handle(struct pipe_screen *pscreen,
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struct pipe_context *ctx,
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struct pipe_resource *pt,
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struct winsys_handle *handle,
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unsigned usage)
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{
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struct panfrost_screen *screen = pan_screen(pscreen);
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struct panfrost_resource *rsrc = (struct panfrost_resource *) pt;
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struct renderonly_scanout *scanout = rsrc->scanout;
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int bytes_per_pixel = util_format_get_blocksize(rsrc->base.format);
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int stride = bytes_per_pixel * rsrc->base.width0; /* TODO: Alignment? */
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handle->stride = stride;
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handle->modifier = DRM_FORMAT_MOD_INVALID;
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if (handle->type == WINSYS_HANDLE_TYPE_SHARED) {
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printf("Missed shared handle\n");
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return FALSE;
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} else if (handle->type == WINSYS_HANDLE_TYPE_KMS) {
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if (renderonly_get_handle(scanout, handle)) {
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return TRUE;
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} else {
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printf("Missed nonrenderonly KMS handle for resource %p with scanout %p\n", pt, scanout);
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return FALSE;
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}
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} else if (handle->type == WINSYS_HANDLE_TYPE_FD) {
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if (scanout) {
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struct drm_prime_handle args = {
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.handle = scanout->handle,
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.flags = DRM_CLOEXEC,
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};
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int ret = drmIoctl(screen->ro->kms_fd, DRM_IOCTL_PRIME_HANDLE_TO_FD, &args);
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if (ret == -1)
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return FALSE;
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handle->handle = args.fd;
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return TRUE;
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} else {
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printf("Missed nonscanout FD handle\n");
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assert(0);
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return FALSE;
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}
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}
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return FALSE;
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}
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static void
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panfrost_flush_resource(struct pipe_context *pctx, struct pipe_resource *prsc)
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{
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//fprintf(stderr, "TODO %s\n", __func__);
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}
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static void
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panfrost_blit(struct pipe_context *pipe,
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const struct pipe_blit_info *info)
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{
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/* STUB */
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printf("Skipping blit XXX\n");
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return;
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}
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static struct pipe_surface *
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panfrost_create_surface(struct pipe_context *pipe,
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struct pipe_resource *pt,
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const struct pipe_surface *surf_tmpl)
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{
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struct pipe_surface *ps = NULL;
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ps = CALLOC_STRUCT(pipe_surface);
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if (ps) {
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pipe_reference_init(&ps->reference, 1);
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pipe_resource_reference(&ps->texture, pt);
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ps->context = pipe;
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ps->format = surf_tmpl->format;
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if (pt->target != PIPE_BUFFER) {
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assert(surf_tmpl->u.tex.level <= pt->last_level);
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ps->width = u_minify(pt->width0, surf_tmpl->u.tex.level);
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ps->height = u_minify(pt->height0, surf_tmpl->u.tex.level);
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ps->u.tex.level = surf_tmpl->u.tex.level;
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ps->u.tex.first_layer = surf_tmpl->u.tex.first_layer;
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ps->u.tex.last_layer = surf_tmpl->u.tex.last_layer;
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} else {
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/* setting width as number of elements should get us correct renderbuffer width */
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ps->width = surf_tmpl->u.buf.last_element - surf_tmpl->u.buf.first_element + 1;
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ps->height = pt->height0;
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ps->u.buf.first_element = surf_tmpl->u.buf.first_element;
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ps->u.buf.last_element = surf_tmpl->u.buf.last_element;
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assert(ps->u.buf.first_element <= ps->u.buf.last_element);
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assert(ps->u.buf.last_element < ps->width);
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}
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}
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return ps;
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}
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static void
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panfrost_surface_destroy(struct pipe_context *pipe,
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struct pipe_surface *surf)
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{
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assert(surf->texture);
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pipe_resource_reference(&surf->texture, NULL);
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free(surf);
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}
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/* TODO: Proper resource tracking depends on, well, proper resources. This
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* section will be woefully incomplete until we can sort out a proper DRM
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* driver. */
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static struct pipe_resource *
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panfrost_resource_create(struct pipe_screen *screen,
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const struct pipe_resource *template)
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{
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struct panfrost_resource *so = CALLOC_STRUCT(panfrost_resource);
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struct panfrost_screen *pscreen = (struct panfrost_screen *) screen;
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so->base = *template;
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so->base.screen = screen;
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pipe_reference_init(&so->base.reference, 1);
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/* Make sure we're familiar */
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switch (template->target) {
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case PIPE_BUFFER:
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case PIPE_TEXTURE_1D:
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case PIPE_TEXTURE_2D:
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case PIPE_TEXTURE_3D:
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case PIPE_TEXTURE_RECT:
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break;
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default:
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fprintf(stderr, "Unknown texture target %d\n", template->target);
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assert(0);
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}
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if ((template->bind & PIPE_BIND_RENDER_TARGET) || (template->bind & PIPE_BIND_DEPTH_STENCIL)) {
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if (template->bind & PIPE_BIND_DISPLAY_TARGET ||
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template->bind & PIPE_BIND_SCANOUT ||
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template->bind & PIPE_BIND_SHARED) {
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struct pipe_resource scanout_templat = *template;
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struct renderonly_scanout *scanout;
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struct winsys_handle handle;
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/* TODO: align width0 and height0? */
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scanout = renderonly_scanout_for_resource(&scanout_templat,
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pscreen->ro, &handle);
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if (!scanout)
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return NULL;
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assert(handle.type == WINSYS_HANDLE_TYPE_FD);
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/* TODO: handle modifiers? */
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so = pan_resource(screen->resource_from_handle(screen, template,
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&handle,
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PIPE_HANDLE_USAGE_FRAMEBUFFER_WRITE));
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close(handle.handle);
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if (!so)
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return NULL;
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so->scanout = scanout;
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pscreen->display_target = so;
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} else {
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so->bo = pscreen->driver->create_bo(pscreen, template);
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}
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} else {
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so->bo = pscreen->driver->create_bo(pscreen, template);
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}
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printf("Created resource %p with scanout %p\n", so, so->scanout);
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return (struct pipe_resource *)so;
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}
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static void
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panfrost_resource_destroy(struct pipe_screen *screen,
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struct pipe_resource *pt)
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{
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struct panfrost_screen *pscreen = panfrost_screen(screen);
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struct panfrost_resource *rsrc = (struct panfrost_resource *) pt;
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if (rsrc->scanout)
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renderonly_scanout_destroy(rsrc->scanout, pscreen->ro);
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if (rsrc->bo)
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pscreen->driver->destroy_bo(pscreen, rsrc->bo);
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FREE(rsrc);
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}
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static void *
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panfrost_transfer_map(struct pipe_context *pctx,
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struct pipe_resource *resource,
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unsigned level,
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unsigned usage, /* a combination of PIPE_TRANSFER_x */
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const struct pipe_box *box,
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struct pipe_transfer **out_transfer)
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{
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struct panfrost_context *ctx = pan_context(pctx);
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struct panfrost_screen *screen = panfrost_screen(pctx->screen);
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int bytes_per_pixel = util_format_get_blocksize(resource->format);
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int stride = bytes_per_pixel * resource->width0; /* TODO: Alignment? */
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uint8_t *cpu;
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struct pipe_transfer *transfer = CALLOC_STRUCT(pipe_transfer);
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transfer->level = level;
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transfer->usage = usage;
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transfer->box = *box;
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transfer->stride = stride;
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assert(!transfer->box.z);
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pipe_resource_reference(&transfer->resource, resource);
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*out_transfer = transfer;
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if (resource->bind & PIPE_BIND_DISPLAY_TARGET ||
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resource->bind & PIPE_BIND_SCANOUT ||
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resource->bind & PIPE_BIND_SHARED) {
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/* Mipmapped readpixels?! */
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assert(level == 0);
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/* Force a flush -- kill the pipeline */
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panfrost_flush(pctx, NULL, PIPE_FLUSH_END_OF_FRAME);
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}
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cpu = screen->driver->map_bo(ctx, transfer);
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if (cpu == NULL)
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return NULL;
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return cpu + transfer->box.x * bytes_per_pixel + transfer->box.y * stride;
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}
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static void
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panfrost_transfer_unmap(struct pipe_context *pctx,
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struct pipe_transfer *transfer)
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{
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struct panfrost_context *ctx = pan_context(pctx);
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struct panfrost_screen *screen = pan_screen(pctx->screen);
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screen->driver->unmap_bo(ctx, transfer);
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/* Derefence the resource */
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pipe_resource_reference(&transfer->resource, NULL);
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/* Transfer itself is CALLOCed at the moment */
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free(transfer);
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}
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static struct pb_slab *
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panfrost_slab_alloc(void *priv, unsigned heap, unsigned entry_size, unsigned group_index)
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{
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struct panfrost_screen *screen = (struct panfrost_screen *) priv;
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struct panfrost_memory *mem = CALLOC_STRUCT(panfrost_memory);
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size_t slab_size = (1 << (MAX_SLAB_ENTRY_SIZE + 1));
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mem->slab.num_entries = slab_size / entry_size;
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mem->slab.num_free = mem->slab.num_entries;
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LIST_INITHEAD(&mem->slab.free);
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for (unsigned i = 0; i < mem->slab.num_entries; ++i) {
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/* Create a slab entry */
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struct panfrost_memory_entry *entry = CALLOC_STRUCT(panfrost_memory_entry);
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entry->offset = entry_size * i;
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entry->base.slab = &mem->slab;
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entry->base.group_index = group_index;
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LIST_ADDTAIL(&entry->base.head, &mem->slab.free);
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}
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/* Actually allocate the memory from kernel-space. Mapped, same_va, no
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* special flags */
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screen->driver->allocate_slab(screen, mem, slab_size / 4096, true, 0, 0, 0);
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return &mem->slab;
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}
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static bool
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panfrost_slab_can_reclaim(void *priv, struct pb_slab_entry *entry)
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{
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struct panfrost_memory_entry *p_entry = (struct panfrost_memory_entry *) entry;
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return p_entry->freed;
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}
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static void
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panfrost_slab_free(void *priv, struct pb_slab *slab)
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{
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/* STUB */
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//struct panfrost_memory *mem = (struct panfrost_memory *) slab;
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printf("stub: Tried to free slab\n");
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}
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|
|
static void
|
||
|
|
panfrost_invalidate_resource(struct pipe_context *pctx, struct pipe_resource *prsc)
|
||
|
|
{
|
||
|
|
//fprintf(stderr, "TODO %s\n", __func__);
|
||
|
|
}
|
||
|
|
|
||
|
|
static const struct u_transfer_vtbl transfer_vtbl = {
|
||
|
|
.resource_create = panfrost_resource_create,
|
||
|
|
.resource_destroy = panfrost_resource_destroy,
|
||
|
|
.transfer_map = panfrost_transfer_map,
|
||
|
|
.transfer_unmap = panfrost_transfer_unmap,
|
||
|
|
.transfer_flush_region = u_default_transfer_flush_region,
|
||
|
|
//.get_internal_format = panfrost_resource_get_internal_format,
|
||
|
|
//.set_stencil = panfrost_resource_set_stencil,
|
||
|
|
//.get_stencil = panfrost_resource_get_stencil,
|
||
|
|
};
|
||
|
|
|
||
|
|
void
|
||
|
|
panfrost_resource_screen_init(struct panfrost_screen *pscreen)
|
||
|
|
{
|
||
|
|
//pscreen->base.resource_create_with_modifiers =
|
||
|
|
// panfrost_resource_create_with_modifiers;
|
||
|
|
pscreen->base.resource_create = u_transfer_helper_resource_create;
|
||
|
|
pscreen->base.resource_destroy = u_transfer_helper_resource_destroy;
|
||
|
|
pscreen->base.resource_from_handle = panfrost_resource_from_handle;
|
||
|
|
pscreen->base.resource_get_handle = panfrost_resource_get_handle;
|
||
|
|
pscreen->base.transfer_helper = u_transfer_helper_create(&transfer_vtbl,
|
||
|
|
true, true,
|
||
|
|
true, true);
|
||
|
|
|
||
|
|
pb_slabs_init(&pscreen->slabs,
|
||
|
|
MIN_SLAB_ENTRY_SIZE,
|
||
|
|
MAX_SLAB_ENTRY_SIZE,
|
||
|
|
|
||
|
|
3, /* Number of heaps */
|
||
|
|
|
||
|
|
pscreen,
|
||
|
|
|
||
|
|
panfrost_slab_can_reclaim,
|
||
|
|
panfrost_slab_alloc,
|
||
|
|
panfrost_slab_free);
|
||
|
|
}
|
||
|
|
|
||
|
|
void
|
||
|
|
panfrost_resource_context_init(struct pipe_context *pctx)
|
||
|
|
{
|
||
|
|
pctx->transfer_map = u_transfer_helper_transfer_map;
|
||
|
|
pctx->transfer_flush_region = u_transfer_helper_transfer_flush_region;
|
||
|
|
pctx->transfer_unmap = u_transfer_helper_transfer_unmap;
|
||
|
|
pctx->buffer_subdata = u_default_buffer_subdata;
|
||
|
|
pctx->create_surface = panfrost_create_surface;
|
||
|
|
pctx->surface_destroy = panfrost_surface_destroy;
|
||
|
|
pctx->resource_copy_region = util_resource_copy_region;
|
||
|
|
pctx->blit = panfrost_blit;
|
||
|
|
//pctx->generate_mipmap = panfrost_generate_mipmap;
|
||
|
|
pctx->flush_resource = panfrost_flush_resource;
|
||
|
|
pctx->invalidate_resource = panfrost_invalidate_resource;
|
||
|
|
pctx->transfer_flush_region = u_transfer_helper_transfer_flush_region;
|
||
|
|
pctx->buffer_subdata = u_default_buffer_subdata;
|
||
|
|
pctx->texture_subdata = u_default_texture_subdata;
|
||
|
|
}
|