pp/main queue: Add pp_init.c
Signed-off-by: Lauri Kasanen <cand@gmx.com> Signed-off-by: Brian Paul <brianp@vmware.com>
This commit is contained in:
Lauri Kasanen
committed by
Brian Paul
Brian Paul
parent
de43cd310c
commit
0d383d4790
@@ -0,0 +1,283 @@
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/**************************************************************************
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*
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* Copyright 2011 Lauri Kasanen
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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 THE AUTHORS 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 <stdio.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include "postprocess/filters.h"
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#include "pipe/p_screen.h"
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#include "util/u_inlines.h"
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#include "util/u_blit.h"
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#include "util/u_math.h"
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#include "cso_cache/cso_context.h"
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/** Initialize the post-processing queue. */
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struct pp_queue_t *
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pp_init(struct pipe_screen *pscreen, const unsigned int *enabled)
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{
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unsigned int curpos = 0, i, tmp_req = 0;
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struct pp_queue_t *ppq;
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pp_func *tmp_q;
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pp_debug("Initializing the post-processing queue.\n");
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/* How many filters were requested? */
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for (i = 0; i < PP_FILTERS; i++) {
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if (enabled[i])
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curpos++;
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}
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if (!curpos)
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return NULL;
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ppq = calloc(1, sizeof(struct pp_queue_t));
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tmp_q = calloc(curpos, sizeof(pp_func));
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ppq->shaders = calloc(curpos, sizeof(void *));
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ppq->verts = calloc(curpos, sizeof(unsigned int));
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if (!tmp_q || !ppq || !ppq->shaders || !ppq->verts)
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goto error;
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ppq->p = pp_init_prog(ppq, pscreen);
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if (!ppq->p)
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goto error;
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/* Add the enabled filters to the queue, in order */
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curpos = 0;
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ppq->pp_queue = tmp_q;
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for (i = 0; i < PP_FILTERS; i++) {
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if (enabled[i]) {
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ppq->pp_queue[curpos] = pp_filters[i].main;
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tmp_req = MAX2(tmp_req, pp_filters[i].inner_tmps);
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if (pp_filters[i].shaders) {
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ppq->shaders[curpos] =
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calloc(pp_filters[i].shaders + 1, sizeof(void *));
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ppq->verts[curpos] = pp_filters[i].verts;
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if (!ppq->shaders[curpos])
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goto error;
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}
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pp_filters[i].init(ppq, curpos, enabled[i]);
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curpos++;
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}
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}
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ppq->p->blitctx = util_create_blit(ppq->p->pipe, ppq->p->cso);
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if (!ppq->p->blitctx)
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goto error;
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ppq->n_filters = curpos;
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ppq->n_tmp = (curpos > 2 ? 2 : 1);
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ppq->n_inner_tmp = tmp_req;
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ppq->fbos_init = false;
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for (i = 0; i < curpos; i++)
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ppq->shaders[i][0] = ppq->p->passvs;
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pp_debug("Queue successfully allocated. %u filter(s).\n", curpos);
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return ppq;
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error:
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pp_debug("Error setting up pp\n");
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if (ppq)
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free(ppq->p);
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free(ppq);
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free(tmp_q);
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return NULL;
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}
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/** Free any allocated FBOs (temp buffers). Called after resizing for example. */
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void
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pp_free_fbos(struct pp_queue_t *ppq)
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{
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unsigned int i;
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if (!ppq->fbos_init)
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return;
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for (i = 0; i < ppq->n_tmp; i++) {
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pipe_surface_reference(&ppq->tmps[i], NULL);
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pipe_resource_reference(&ppq->tmp[i], NULL);
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}
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for (i = 0; i < ppq->n_inner_tmp; i++) {
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pipe_surface_reference(&ppq->inner_tmps[i], NULL);
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pipe_resource_reference(&ppq->inner_tmp[i], NULL);
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}
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pipe_surface_reference(&ppq->stencils, NULL);
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pipe_resource_reference(&ppq->stencil, NULL);
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ppq->fbos_init = false;
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}
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/** Free the pp queue. Called on context termination. */
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void
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pp_free(struct pp_queue_t *ppq)
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{
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unsigned int i, j;
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pp_free_fbos(ppq);
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util_destroy_blit(ppq->p->blitctx);
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cso_set_fragment_sampler_views(ppq->p->cso, 0, NULL);
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cso_release_all(ppq->p->cso);
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for (i = 0; i < ppq->n_filters; i++) {
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for (j = 0; j < PP_MAX_PASSES && ppq->shaders[i][j]; j++) {
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if (j >= ppq->verts[i]) {
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ppq->p->pipe->delete_fs_state(ppq->p->pipe, ppq->shaders[i][j]);
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ppq->shaders[i][j] = NULL;
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}
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else if (ppq->shaders[i][j] != ppq->p->passvs) {
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ppq->p->pipe->delete_vs_state(ppq->p->pipe, ppq->shaders[i][j]);
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ppq->shaders[i][j] = NULL;
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}
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}
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}
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cso_destroy_context(ppq->p->cso);
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ppq->p->pipe->destroy(ppq->p->pipe);
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free(ppq->p);
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free(ppq->pp_queue);
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free(ppq);
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pp_debug("Queue taken down.\n");
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}
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/** Internal debug function. Should be available to final users. */
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void
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pp_debug(const char *fmt, ...)
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{
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va_list ap;
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if (!getenv("PP_DEBUG"))
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return;
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va_start(ap, fmt);
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vfprintf(stderr, fmt, ap);
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va_end(ap);
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}
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/** Allocate the temp FBOs. Called on makecurrent and resize. */
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void
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pp_init_fbos(struct pp_queue_t *ppq, const unsigned int w,
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const unsigned int h, struct pipe_resource *indepth)
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{
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struct program *p = ppq->p; /* The lazy will inherit the earth */
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unsigned int i;
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struct pipe_resource tmp_res;
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if (ppq->fbos_init)
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return;
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pp_debug("Initializing FBOs, size %ux%u\n", w, h);
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pp_debug("Requesting %u temps and %u inner temps\n", ppq->n_tmp,
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ppq->n_inner_tmp);
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memset(&tmp_res, 0, sizeof(tmp_res));
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tmp_res.target = PIPE_TEXTURE_2D;
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tmp_res.format = p->surf.format = PIPE_FORMAT_B8G8R8A8_UNORM;
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tmp_res.width0 = w;
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tmp_res.height0 = h;
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tmp_res.depth0 = 1;
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tmp_res.array_size = 1;
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tmp_res.last_level = 0;
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tmp_res.bind = p->surf.usage = PIPE_BIND_RENDER_TARGET;
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if (!p->screen->is_format_supported(p->screen, tmp_res.format,
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tmp_res.target, 1, tmp_res.bind))
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pp_debug("Temp buffers' format fail\n");
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for (i = 0; i < ppq->n_tmp; i++) {
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ppq->tmp[i] = p->screen->resource_create(p->screen, &tmp_res);
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ppq->tmps[i] = p->pipe->create_surface(p->pipe, ppq->tmp[i], &p->surf);
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if (!ppq->tmp[i] || !ppq->tmps[i])
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goto error;
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}
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for (i = 0; i < ppq->n_inner_tmp; i++) {
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ppq->inner_tmp[i] = p->screen->resource_create(p->screen, &tmp_res);
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ppq->inner_tmps[i] = p->pipe->create_surface(p->pipe,
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ppq->inner_tmp[i],
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&p->surf);
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if (!ppq->inner_tmp[i] || !ppq->inner_tmps[i])
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goto error;
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}
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tmp_res.format = p->surf.format = indepth->format;
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tmp_res.bind = p->surf.usage = PIPE_BIND_DEPTH_STENCIL;
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ppq->depth = indepth;
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if (!ppq->depth)
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goto error;
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tmp_res.format = p->surf.format = PIPE_FORMAT_S8_USCALED_Z24_UNORM;
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if (!p->screen->is_format_supported(p->screen, tmp_res.format,
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tmp_res.target, 1, tmp_res.bind)) {
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tmp_res.format = p->surf.format = PIPE_FORMAT_Z24_UNORM_S8_USCALED;
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if (!p->screen->is_format_supported(p->screen, tmp_res.format,
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tmp_res.target, 1, tmp_res.bind))
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pp_debug("Temp Sbuffer format fail\n");
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}
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ppq->stencil = p->screen->resource_create(p->screen, &tmp_res);
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ppq->stencils = p->pipe->create_surface(p->pipe, ppq->stencil, &p->surf);
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if (!ppq->stencil || !ppq->stencils)
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goto error;
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p->framebuffer.width = w;
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p->framebuffer.height = h;
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p->viewport.scale[0] = p->viewport.translate[0] = (float) w / 2.0;
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p->viewport.scale[1] = p->viewport.translate[1] = (float) h / 2.0;
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p->viewport.scale[3] = 1.0f;
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p->viewport.translate[3] = 0.0f;
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ppq->fbos_init = true;
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return;
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error:
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pp_debug("Failed to allocate temp buffers!\n");
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}
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