forked from KolibriOS/kolibrios
138 lines
3.9 KiB
C
138 lines
3.9 KiB
C
/*
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* Copyright (c) 2012 Intel Corporation. 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 PRECISION INSIGHT 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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#include "va_dricommon.h"
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// X error trap
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static int x11_error_code = 0;
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static int (*old_error_handler)(Display *, XErrorEvent *);
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static int
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error_handler(Display *dpy, XErrorEvent *error)
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{
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x11_error_code = error->error_code;
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return 0;
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}
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static void
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x11_trap_errors(void)
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{
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x11_error_code = 0;
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old_error_handler = XSetErrorHandler(error_handler);
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}
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static int
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x11_untrap_errors(void)
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{
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XSetErrorHandler(old_error_handler);
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return x11_error_code;
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}
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static int
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is_window(Display *dpy, Drawable drawable)
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{
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XWindowAttributes wattr;
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x11_trap_errors();
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XGetWindowAttributes(dpy, drawable, &wattr);
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return x11_untrap_errors() == 0;
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}
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static struct dri_drawable *
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do_drawable_hash(VADriverContextP ctx, XID drawable)
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{
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struct dri_state *dri_state = (struct dri_state *)ctx->drm_state;
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int index = drawable % DRAWABLE_HASH_SZ;
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struct dri_drawable *dri_drawable = dri_state->drawable_hash[index];
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while (dri_drawable) {
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if (dri_drawable->x_drawable == drawable)
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return dri_drawable;
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dri_drawable = dri_drawable->next;
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}
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dri_drawable = dri_state->createDrawable(ctx, drawable);
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dri_drawable->x_drawable = drawable;
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dri_drawable->is_window = is_window(ctx->native_dpy, drawable);
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dri_drawable->next = dri_state->drawable_hash[index];
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dri_state->drawable_hash[index] = dri_drawable;
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return dri_drawable;
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}
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void
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free_drawable(VADriverContextP ctx, struct dri_drawable* dri_drawable)
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{
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struct dri_state *dri_state = (struct dri_state *)ctx->drm_state;
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int i = 0;
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while (i++ < DRAWABLE_HASH_SZ) {
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if (dri_drawable == dri_state->drawable_hash[i]) {
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dri_state->destroyDrawable(ctx, dri_drawable);
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dri_state->drawable_hash[i] = NULL;
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}
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}
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}
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void
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free_drawable_hashtable(VADriverContextP ctx)
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{
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struct dri_state *dri_state = (struct dri_state *)ctx->drm_state;
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int i;
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struct dri_drawable *dri_drawable, *prev;
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for (i = 0; i < DRAWABLE_HASH_SZ; i++) {
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dri_drawable = dri_state->drawable_hash[i];
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while (dri_drawable) {
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prev = dri_drawable;
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dri_drawable = prev->next;
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dri_state->destroyDrawable(ctx, prev);
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}
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dri_state->drawable_hash[i] = NULL;
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}
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}
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struct dri_drawable *
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dri_get_drawable(VADriverContextP ctx, XID drawable)
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{
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return do_drawable_hash(ctx, drawable);
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}
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void
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dri_swap_buffer(VADriverContextP ctx, struct dri_drawable *dri_drawable)
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{
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struct dri_state *dri_state = (struct dri_state *)ctx->drm_state;
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dri_state->swapBuffer(ctx, dri_drawable);
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}
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union dri_buffer *
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dri_get_rendering_buffer(VADriverContextP ctx, struct dri_drawable *dri_drawable)
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{
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struct dri_state *dri_state = (struct dri_state *)ctx->drm_state;
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return dri_state->getRenderingBuffer(ctx, dri_drawable);
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}
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