diff options
Diffstat (limited to 'src/gallium/auxiliary/postprocess/pp_init.c')
-rw-r--r-- | src/gallium/auxiliary/postprocess/pp_init.c | 283 |
1 files changed, 283 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/postprocess/pp_init.c b/src/gallium/auxiliary/postprocess/pp_init.c new file mode 100644 index 0000000..7541799 --- /dev/null +++ b/src/gallium/auxiliary/postprocess/pp_init.c @@ -0,0 +1,283 @@ +/************************************************************************** + * + * Copyright 2011 Lauri Kasanen + * 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, sub license, 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 (including the + * next paragraph) 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 NON-INFRINGEMENT. + * IN NO EVENT SHALL THE AUTHORS 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 <stdio.h> +#include <stdlib.h> +#include <stdarg.h> + +#include "postprocess/filters.h" + +#include "pipe/p_screen.h" +#include "util/u_inlines.h" +#include "util/u_blit.h" +#include "util/u_math.h" +#include "cso_cache/cso_context.h" + +/** Initialize the post-processing queue. */ +struct pp_queue_t * +pp_init(struct pipe_screen *pscreen, const unsigned int *enabled) +{ + + unsigned int curpos = 0, i, tmp_req = 0; + struct pp_queue_t *ppq; + pp_func *tmp_q; + + pp_debug("Initializing the post-processing queue.\n"); + + /* How many filters were requested? */ + for (i = 0; i < PP_FILTERS; i++) { + if (enabled[i]) + curpos++; + } + if (!curpos) + return NULL; + + ppq = calloc(1, sizeof(struct pp_queue_t)); + tmp_q = calloc(curpos, sizeof(pp_func)); + ppq->shaders = calloc(curpos, sizeof(void *)); + ppq->verts = calloc(curpos, sizeof(unsigned int)); + + if (!tmp_q || !ppq || !ppq->shaders || !ppq->verts) + goto error; + + ppq->p = pp_init_prog(ppq, pscreen); + if (!ppq->p) + goto error; + + /* Add the enabled filters to the queue, in order */ + curpos = 0; + ppq->pp_queue = tmp_q; + for (i = 0; i < PP_FILTERS; i++) { + if (enabled[i]) { + ppq->pp_queue[curpos] = pp_filters[i].main; + tmp_req = MAX2(tmp_req, pp_filters[i].inner_tmps); + + if (pp_filters[i].shaders) { + ppq->shaders[curpos] = + calloc(pp_filters[i].shaders + 1, sizeof(void *)); + ppq->verts[curpos] = pp_filters[i].verts; + if (!ppq->shaders[curpos]) + goto error; + } + pp_filters[i].init(ppq, curpos, enabled[i]); + + curpos++; + } + } + + ppq->p->blitctx = util_create_blit(ppq->p->pipe, ppq->p->cso); + if (!ppq->p->blitctx) + goto error; + + ppq->n_filters = curpos; + ppq->n_tmp = (curpos > 2 ? 2 : 1); + ppq->n_inner_tmp = tmp_req; + + ppq->fbos_init = false; + + for (i = 0; i < curpos; i++) + ppq->shaders[i][0] = ppq->p->passvs; + + pp_debug("Queue successfully allocated. %u filter(s).\n", curpos); + + return ppq; + + error: + pp_debug("Error setting up pp\n"); + + if (ppq) + free(ppq->p); + free(ppq); + free(tmp_q); + + return NULL; +} + +/** Free any allocated FBOs (temp buffers). Called after resizing for example. */ +void +pp_free_fbos(struct pp_queue_t *ppq) +{ + + unsigned int i; + + if (!ppq->fbos_init) + return; + + for (i = 0; i < ppq->n_tmp; i++) { + pipe_surface_reference(&ppq->tmps[i], NULL); + pipe_resource_reference(&ppq->tmp[i], NULL); + } + for (i = 0; i < ppq->n_inner_tmp; i++) { + pipe_surface_reference(&ppq->inner_tmps[i], NULL); + pipe_resource_reference(&ppq->inner_tmp[i], NULL); + } + pipe_surface_reference(&ppq->stencils, NULL); + pipe_resource_reference(&ppq->stencil, NULL); + + ppq->fbos_init = false; +} + +/** Free the pp queue. Called on context termination. */ +void +pp_free(struct pp_queue_t *ppq) +{ + + unsigned int i, j; + + pp_free_fbos(ppq); + + util_destroy_blit(ppq->p->blitctx); + + cso_set_fragment_sampler_views(ppq->p->cso, 0, NULL); + cso_release_all(ppq->p->cso); + + for (i = 0; i < ppq->n_filters; i++) { + for (j = 0; j < PP_MAX_PASSES && ppq->shaders[i][j]; j++) { + if (j >= ppq->verts[i]) { + ppq->p->pipe->delete_fs_state(ppq->p->pipe, ppq->shaders[i][j]); + ppq->shaders[i][j] = NULL; + } + else if (ppq->shaders[i][j] != ppq->p->passvs) { + ppq->p->pipe->delete_vs_state(ppq->p->pipe, ppq->shaders[i][j]); + ppq->shaders[i][j] = NULL; + } + } + } + + cso_destroy_context(ppq->p->cso); + ppq->p->pipe->destroy(ppq->p->pipe); + + free(ppq->p); + free(ppq->pp_queue); + free(ppq); + + pp_debug("Queue taken down.\n"); +} + +/** Internal debug function. Should be available to final users. */ +void +pp_debug(const char *fmt, ...) +{ + va_list ap; + + if (!getenv("PP_DEBUG")) + return; + + va_start(ap, fmt); + vfprintf(stderr, fmt, ap); + va_end(ap); +} + +/** Allocate the temp FBOs. Called on makecurrent and resize. */ +void +pp_init_fbos(struct pp_queue_t *ppq, const unsigned int w, + const unsigned int h, struct pipe_resource *indepth) +{ + + struct program *p = ppq->p; /* The lazy will inherit the earth */ + + unsigned int i; + struct pipe_resource tmp_res; + + if (ppq->fbos_init) + return; + + pp_debug("Initializing FBOs, size %ux%u\n", w, h); + pp_debug("Requesting %u temps and %u inner temps\n", ppq->n_tmp, + ppq->n_inner_tmp); + + memset(&tmp_res, 0, sizeof(tmp_res)); + tmp_res.target = PIPE_TEXTURE_2D; + tmp_res.format = p->surf.format = PIPE_FORMAT_B8G8R8A8_UNORM; + tmp_res.width0 = w; + tmp_res.height0 = h; + tmp_res.depth0 = 1; + tmp_res.array_size = 1; + tmp_res.last_level = 0; + tmp_res.bind = p->surf.usage = PIPE_BIND_RENDER_TARGET; + + if (!p->screen->is_format_supported(p->screen, tmp_res.format, + tmp_res.target, 1, tmp_res.bind)) + pp_debug("Temp buffers' format fail\n"); + + for (i = 0; i < ppq->n_tmp; i++) { + ppq->tmp[i] = p->screen->resource_create(p->screen, &tmp_res); + ppq->tmps[i] = p->pipe->create_surface(p->pipe, ppq->tmp[i], &p->surf); + + if (!ppq->tmp[i] || !ppq->tmps[i]) + goto error; + } + + for (i = 0; i < ppq->n_inner_tmp; i++) { + ppq->inner_tmp[i] = p->screen->resource_create(p->screen, &tmp_res); + ppq->inner_tmps[i] = p->pipe->create_surface(p->pipe, + ppq->inner_tmp[i], + &p->surf); + + if (!ppq->inner_tmp[i] || !ppq->inner_tmps[i]) + goto error; + } + + tmp_res.format = p->surf.format = indepth->format; + tmp_res.bind = p->surf.usage = PIPE_BIND_DEPTH_STENCIL; + ppq->depth = indepth; + if (!ppq->depth) + goto error; + + tmp_res.format = p->surf.format = PIPE_FORMAT_S8_USCALED_Z24_UNORM; + + if (!p->screen->is_format_supported(p->screen, tmp_res.format, + tmp_res.target, 1, tmp_res.bind)) { + + tmp_res.format = p->surf.format = PIPE_FORMAT_Z24_UNORM_S8_USCALED; + + if (!p->screen->is_format_supported(p->screen, tmp_res.format, + tmp_res.target, 1, tmp_res.bind)) + pp_debug("Temp Sbuffer format fail\n"); + } + + ppq->stencil = p->screen->resource_create(p->screen, &tmp_res); + ppq->stencils = p->pipe->create_surface(p->pipe, ppq->stencil, &p->surf); + if (!ppq->stencil || !ppq->stencils) + goto error; + + + p->framebuffer.width = w; + p->framebuffer.height = h; + + p->viewport.scale[0] = p->viewport.translate[0] = (float) w / 2.0; + p->viewport.scale[1] = p->viewport.translate[1] = (float) h / 2.0; + p->viewport.scale[3] = 1.0f; + p->viewport.translate[3] = 0.0f; + + ppq->fbos_init = true; + + return; + + error: + pp_debug("Failed to allocate temp buffers!\n"); +} |