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| /************************************************************************** |
| * |
| * 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 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 "postprocess.h" |
| #include "postprocess/pp_filters.h" |
| #include "postprocess/pp_private.h" |
| |
| #include "util/u_inlines.h" |
| #include "util/u_sampler.h" |
| |
| #include "tgsi/tgsi_parse.h" |
| |
| |
| void |
| pp_blit(struct pipe_context *pipe, |
| struct pipe_resource *src_tex, |
| int srcX0, int srcY0, |
| int srcX1, int srcY1, |
| int srcZ0, |
| struct pipe_surface *dst, |
| int dstX0, int dstY0, |
| int dstX1, int dstY1) |
| { |
| struct pipe_blit_info blit; |
| |
| memset(&blit, 0, sizeof(blit)); |
| |
| blit.src.resource = src_tex; |
| blit.src.level = 0; |
| blit.src.format = src_tex->format; |
| blit.src.box.x = srcX0; |
| blit.src.box.y = srcY0; |
| blit.src.box.z = srcZ0; |
| blit.src.box.width = srcX1 - srcX0; |
| blit.src.box.height = srcY1 - srcY0; |
| blit.src.box.depth = 1; |
| |
| blit.dst.resource = dst->texture; |
| blit.dst.level = dst->u.tex.level; |
| blit.dst.format = dst->format; |
| blit.dst.box.x = dstX0; |
| blit.dst.box.y = dstY0; |
| blit.dst.box.z = 0; |
| blit.dst.box.width = dstX1 - dstX0; |
| blit.dst.box.height = dstY1 - dstY0; |
| blit.dst.box.depth = 1; |
| |
| blit.mask = PIPE_MASK_RGBA; |
| |
| pipe->blit(pipe, &blit); |
| } |
| |
| /** |
| * Main run function of the PP queue. Called on swapbuffers/flush. |
| * |
| * Runs all requested filters in order and handles shuffling the temp |
| * buffers in between. |
| */ |
| void |
| pp_run(struct pp_queue_t *ppq, struct pipe_resource *in, |
| struct pipe_resource *out, struct pipe_resource *indepth) |
| { |
| struct pipe_resource *refin = NULL, *refout = NULL; |
| unsigned int i; |
| struct cso_context *cso = ppq->p->cso; |
| |
| if (ppq->n_filters == 0) |
| return; |
| |
| assert(ppq->pp_queue); |
| assert(ppq->tmp[0]); |
| |
| if (in->width0 != ppq->p->framebuffer.width || |
| in->height0 != ppq->p->framebuffer.height) { |
| pp_debug("Resizing the temp pp buffers\n"); |
| pp_free_fbos(ppq); |
| pp_init_fbos(ppq, in->width0, in->height0); |
| } |
| |
| if (in == out && ppq->n_filters == 1) { |
| /* Make a copy of in to tmp[0] in this case. */ |
| unsigned int w = ppq->p->framebuffer.width; |
| unsigned int h = ppq->p->framebuffer.height; |
| |
| |
| pp_blit(ppq->p->pipe, in, 0, 0, |
| w, h, 0, ppq->tmps[0], |
| 0, 0, w, h); |
| |
| in = ppq->tmp[0]; |
| } |
| |
| /* save state (restored below) */ |
| cso_save_blend(cso); |
| cso_save_depth_stencil_alpha(cso); |
| cso_save_fragment_shader(cso); |
| cso_save_framebuffer(cso); |
| cso_save_tessctrl_shader(cso); |
| cso_save_tesseval_shader(cso); |
| cso_save_geometry_shader(cso); |
| cso_save_rasterizer(cso); |
| cso_save_sample_mask(cso); |
| cso_save_min_samples(cso); |
| cso_save_samplers(cso, PIPE_SHADER_FRAGMENT); |
| cso_save_sampler_views(cso, PIPE_SHADER_FRAGMENT); |
| cso_save_stencil_ref(cso); |
| cso_save_stream_outputs(cso); |
| cso_save_vertex_elements(cso); |
| cso_save_vertex_shader(cso); |
| cso_save_viewport(cso); |
| cso_save_aux_vertex_buffer_slot(cso); |
| cso_save_constant_buffer_slot0(cso, PIPE_SHADER_VERTEX); |
| cso_save_constant_buffer_slot0(cso, PIPE_SHADER_FRAGMENT); |
| cso_save_render_condition(cso); |
| |
| /* set default state */ |
| cso_set_sample_mask(cso, ~0); |
| cso_set_min_samples(cso, 1); |
| cso_set_stream_outputs(cso, 0, NULL, NULL); |
| cso_set_tessctrl_shader_handle(cso, NULL); |
| cso_set_tesseval_shader_handle(cso, NULL); |
| cso_set_geometry_shader_handle(cso, NULL); |
| cso_set_render_condition(cso, NULL, FALSE, 0); |
| |
| // Kept only for this frame. |
| pipe_resource_reference(&ppq->depth, indepth); |
| pipe_resource_reference(&refin, in); |
| pipe_resource_reference(&refout, out); |
| |
| switch (ppq->n_filters) { |
| case 0: |
| /* Failsafe, but never reached. */ |
| break; |
| case 1: /* No temp buf */ |
| ppq->pp_queue[0] (ppq, in, out, 0); |
| break; |
| case 2: /* One temp buf */ |
| |
| ppq->pp_queue[0] (ppq, in, ppq->tmp[0], 0); |
| ppq->pp_queue[1] (ppq, ppq->tmp[0], out, 1); |
| |
| break; |
| default: /* Two temp bufs */ |
| assert(ppq->tmp[1]); |
| ppq->pp_queue[0] (ppq, in, ppq->tmp[0], 0); |
| |
| for (i = 1; i < (ppq->n_filters - 1); i++) { |
| if (i % 2 == 0) |
| ppq->pp_queue[i] (ppq, ppq->tmp[1], ppq->tmp[0], i); |
| |
| else |
| ppq->pp_queue[i] (ppq, ppq->tmp[0], ppq->tmp[1], i); |
| } |
| |
| if (i % 2 == 0) |
| ppq->pp_queue[i] (ppq, ppq->tmp[1], out, i); |
| |
| else |
| ppq->pp_queue[i] (ppq, ppq->tmp[0], out, i); |
| |
| break; |
| } |
| |
| /* restore state we changed */ |
| cso_restore_blend(cso); |
| cso_restore_depth_stencil_alpha(cso); |
| cso_restore_fragment_shader(cso); |
| cso_restore_framebuffer(cso); |
| cso_restore_tessctrl_shader(cso); |
| cso_restore_tesseval_shader(cso); |
| cso_restore_geometry_shader(cso); |
| cso_restore_rasterizer(cso); |
| cso_restore_sample_mask(cso); |
| cso_restore_min_samples(cso); |
| cso_restore_samplers(cso, PIPE_SHADER_FRAGMENT); |
| cso_restore_sampler_views(cso, PIPE_SHADER_FRAGMENT); |
| cso_restore_stencil_ref(cso); |
| cso_restore_stream_outputs(cso); |
| cso_restore_vertex_elements(cso); |
| cso_restore_vertex_shader(cso); |
| cso_restore_viewport(cso); |
| cso_restore_aux_vertex_buffer_slot(cso); |
| cso_restore_constant_buffer_slot0(cso, PIPE_SHADER_VERTEX); |
| cso_restore_constant_buffer_slot0(cso, PIPE_SHADER_FRAGMENT); |
| cso_restore_render_condition(cso); |
| |
| pipe_resource_reference(&ppq->depth, NULL); |
| pipe_resource_reference(&refin, NULL); |
| pipe_resource_reference(&refout, NULL); |
| } |
| |
| |
| /* Utility functions for the filters. You're not forced to use these if */ |
| /* your filter is more complicated. */ |
| |
| /** Setup this resource as the filter input. */ |
| void |
| pp_filter_setup_in(struct pp_program *p, struct pipe_resource *in) |
| { |
| struct pipe_sampler_view v_tmp; |
| u_sampler_view_default_template(&v_tmp, in, in->format); |
| p->view = p->pipe->create_sampler_view(p->pipe, in, &v_tmp); |
| } |
| |
| /** Setup this resource as the filter output. */ |
| void |
| pp_filter_setup_out(struct pp_program *p, struct pipe_resource *out) |
| { |
| p->surf.format = out->format; |
| |
| p->framebuffer.cbufs[0] = p->pipe->create_surface(p->pipe, out, &p->surf); |
| } |
| |
| /** Clean up the input and output set with the above. */ |
| void |
| pp_filter_end_pass(struct pp_program *p) |
| { |
| pipe_surface_reference(&p->framebuffer.cbufs[0], NULL); |
| pipe_sampler_view_reference(&p->view, NULL); |
| } |
| |
| /** |
| * Convert the TGSI assembly to a runnable shader. |
| * |
| * We need not care about geometry shaders. All we have is screen quads. |
| */ |
| void * |
| pp_tgsi_to_state(struct pipe_context *pipe, const char *text, bool isvs, |
| const char *name) |
| { |
| struct pipe_shader_state state; |
| struct tgsi_token *tokens = NULL; |
| void *ret_state = NULL; |
| |
| /* |
| * Allocate temporary token storage. State creation will duplicate |
| * tokens so we must free them on exit. |
| */ |
| tokens = tgsi_alloc_tokens(PP_MAX_TOKENS); |
| |
| if (tokens == NULL) { |
| pp_debug("Failed to allocate temporary token storage.\n"); |
| return NULL; |
| } |
| |
| if (tgsi_text_translate(text, tokens, PP_MAX_TOKENS) == FALSE) { |
| _debug_printf("pp: Failed to translate a shader for %s\n", name); |
| return NULL; |
| } |
| |
| state.tokens = tokens; |
| memset(&state.stream_output, 0, sizeof(state.stream_output)); |
| |
| if (isvs) { |
| ret_state = pipe->create_vs_state(pipe, &state); |
| FREE(tokens); |
| } else { |
| ret_state = pipe->create_fs_state(pipe, &state); |
| FREE(tokens); |
| } |
| |
| return ret_state; |
| } |
| |
| /** Setup misc state for the filter. */ |
| void |
| pp_filter_misc_state(struct pp_program *p) |
| { |
| cso_set_blend(p->cso, &p->blend); |
| cso_set_depth_stencil_alpha(p->cso, &p->depthstencil); |
| cso_set_rasterizer(p->cso, &p->rasterizer); |
| cso_set_viewport(p->cso, &p->viewport); |
| |
| cso_set_vertex_elements(p->cso, 2, p->velem); |
| } |
| |
| /** Draw with the filter to the set output. */ |
| void |
| pp_filter_draw(struct pp_program *p) |
| { |
| util_draw_vertex_buffer(p->pipe, p->cso, p->vbuf, 0, 0, |
| PIPE_PRIM_QUADS, 4, 2); |
| } |
| |
| /** Set the framebuffer as active. */ |
| void |
| pp_filter_set_fb(struct pp_program *p) |
| { |
| cso_set_framebuffer(p->cso, &p->framebuffer); |
| } |
| |
| /** Set the framebuffer as active and clear it. */ |
| void |
| pp_filter_set_clear_fb(struct pp_program *p) |
| { |
| cso_set_framebuffer(p->cso, &p->framebuffer); |
| p->pipe->clear(p->pipe, PIPE_CLEAR_COLOR0, &p->clear_color, 0, 0); |
| } |