2021-02-24 10:58:31 +00:00
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/*
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vulkan_compose.c
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Vulkan compose pass pipeline
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Copyright (C) 2021 Bill Currie <bill@taniwha.org>
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Author: Bill Currie <bill@taniwha.org>
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Date: 2021/2/23
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#ifdef HAVE_STRING_H
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# include <string.h>
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#endif
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#ifdef HAVE_STRINGS_H
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# include <strings.h>
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#endif
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#include <stdlib.h>
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#include "qfalloca.h"
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2021-12-02 13:48:50 +00:00
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#include "QF/cvar.h"
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#include "QF/sys.h"
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#include "QF/Vulkan/qf_compose.h"
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2022-12-01 14:03:55 +00:00
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#include "QF/Vulkan/qf_translucent.h"
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#include "QF/Vulkan/debug.h"
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#include "QF/Vulkan/descriptor.h"
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#include "QF/Vulkan/device.h"
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#include "QF/Vulkan/image.h"
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#include "QF/Vulkan/instance.h"
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#include "QF/Vulkan/render.h"
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#include "r_internal.h"
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#include "vid_vulkan.h"
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2023-06-22 12:44:02 +00:00
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static VkDescriptorImageInfo base_image_info = {
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0, 0, VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL
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};
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static VkWriteDescriptorSet base_image_write = {
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VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET, 0, 0,
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0, 0, 1,
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VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT,
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0, 0, 0
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};
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2023-06-22 12:44:02 +00:00
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static void
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compose_draw (const exprval_t **params, exprval_t *result, exprctx_t *ectx)
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{
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auto taskctx = (qfv_taskctx_t *) ectx;
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auto ctx = taskctx->ctx;
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auto device = ctx->device;
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auto dfunc = device->funcs;
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2023-06-22 12:44:02 +00:00
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auto cctx = ctx->compose_context;
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auto cframe = &cctx->frames.a[ctx->curFrame];
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auto layout = taskctx->pipeline->layout;
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auto cmd = taskctx->cmd;
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auto fb = &taskctx->renderpass->framebuffer;
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cframe->imageInfo[0].imageView = fb->views[QFV_attachOpaque];
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dfunc->vkUpdateDescriptorSets (device->dev, COMPOSE_IMAGE_INFOS,
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cframe->descriptors, 0, 0);
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VkDescriptorSet sets[] = {
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cframe->descriptors[0].dstSet,
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Vulkan_Translucent_Descriptors (ctx, ctx->curFrame),
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};
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dfunc->vkCmdBindDescriptorSets (cmd, VK_PIPELINE_BIND_POINT_GRAPHICS,
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layout, 0, 2, sets, 0, 0);
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2022-04-01 10:50:41 +00:00
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dfunc->vkCmdDraw (cmd, 3, 1, 0, 0);
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2023-02-13 15:55:22 +00:00
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}
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static exprfunc_t compose_draw_func[] = {
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{ .func = compose_draw },
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{}
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};
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static exprsym_t compose_task_syms[] = {
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{ "compose_draw", &cexpr_function, compose_draw_func },
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{}
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};
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void
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Vulkan_Compose_Init (vulkan_ctx_t *ctx)
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{
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qfv_device_t *device = ctx->device;
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qfvPushDebug (ctx, "compose init");
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QFV_Render_AddTasks (ctx, compose_task_syms);
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composectx_t *cctx = calloc (1, sizeof (composectx_t));
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ctx->compose_context = cctx;
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2023-06-22 07:44:05 +00:00
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auto rctx = ctx->render_context;
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size_t frames = rctx->frames.size;
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DARRAY_INIT (&cctx->frames, frames);
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DARRAY_RESIZE (&cctx->frames, frames);
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cctx->frames.grow = 0;
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__auto_type attach = QFV_AllocDescriptorSetLayoutSet (frames, alloca);
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for (size_t i = 0; i < frames; i++) {
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attach->a[i] = Vulkan_CreateDescriptorSetLayout (ctx,
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"compose_attach");
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}
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__auto_type attach_pool = Vulkan_CreateDescriptorPool (ctx,
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"compose_attach_pool");
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__auto_type attach_set = QFV_AllocateDescriptorSet (device, attach_pool,
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attach);
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for (size_t i = 0; i < frames; i++) {
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__auto_type cframe = &cctx->frames.a[i];
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for (int j = 0; j < COMPOSE_IMAGE_INFOS; j++) {
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cframe->imageInfo[j] = base_image_info;
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cframe->imageInfo[j].sampler = 0;
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cframe->descriptors[j] = base_image_write;
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cframe->descriptors[j].dstSet = attach_set->a[i];
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cframe->descriptors[j].dstBinding = j;
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cframe->descriptors[j].pImageInfo = &cframe->imageInfo[j];
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}
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}
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free (attach_set);
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qfvPopDebug (ctx);
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}
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void
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Vulkan_Compose_Shutdown (vulkan_ctx_t *ctx)
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{
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composectx_t *cctx = ctx->compose_context;
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free (cctx->frames.a);
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free (cctx);
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}
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