mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-12-01 08:31:59 +00:00
2c3b89f722
This just sets up the memory block and cexpr descriptors for the parameters, parameter parsing is separate (and next). The parameters are aligned to their size.
151 lines
4.2 KiB
C
151 lines
4.2 KiB
C
/*
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render.c
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Vulkan render manager
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Copyright (C) 2023 Bill Currie <bill@taniwha.org>
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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_MATH_H
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# include <math.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 "QF/hash.h"
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#include "QF/Vulkan/command.h"
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#include "QF/Vulkan/debug.h"
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#include "QF/Vulkan/device.h"
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#include "QF/Vulkan/render.h"
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#include "QF/Vulkan/pipeline.h"
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#include "vid_vulkan.h"
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#include "QF/Vulkan/qf_renderpass.h"//FIXME
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#include "vkparse.h"
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static void
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run_pipeline (qfv_pipeline_t *pipeline, VkCommandBuffer cmd, vulkan_ctx_t *ctx)
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{
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qfv_device_t *device = ctx->device;
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qfv_devfuncs_t *dfunc = device->funcs;
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dfunc->vkCmdBindPipeline (cmd, pipeline->bindPoint, pipeline->pipeline);
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dfunc->vkCmdSetViewport (cmd, 0, 1, &pipeline->viewport);
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dfunc->vkCmdSetScissor (cmd, 0, 1, &pipeline->scissor);
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if (pipeline->num_descriptor_sets) {
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dfunc->vkCmdBindDescriptorSets (cmd, pipeline->bindPoint,
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pipeline->layout,
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pipeline->first_descriptor_set,
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pipeline->num_descriptor_sets,
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pipeline->descriptor_sets,
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0, 0);
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}
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if (pipeline->num_push_constants) {
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QFV_PushConstants (device, cmd, pipeline->layout,
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pipeline->num_push_constants,
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pipeline->push_constants);
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}
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}
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// https://themaister.net/blog/2019/08/14/yet-another-blog-explaining-vulkan-synchronization/
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static void
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run_subpass (qfv_subpass_t_ *sp, vulkan_ctx_t *ctx)
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{
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qfv_device_t *device = ctx->device;
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qfv_devfuncs_t *dfunc = device->funcs;
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__auto_type cmd = sp->cmd;
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dfunc->vkResetCommandBuffer (cmd, 0);
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dfunc->vkBeginCommandBuffer (cmd, &sp->beginInfo);
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QFV_duCmdBeginLabel (device, cmd, sp->label.name,
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{VEC4_EXP (sp->label.color)});
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for (uint32_t i = 0; i < sp->pipline_count; i++) {
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__auto_type pipeline = &sp->pipelines[i];
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run_pipeline (pipeline, cmd, ctx);
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}
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QFV_duCmdEndLabel (device, cmd);
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dfunc->vkEndCommandBuffer (cmd);
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}
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void
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QFV_RunRenderPass (qfv_renderpass_t_ *rp, vulkan_ctx_t *ctx)
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{
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qfv_device_t *device = ctx->device;
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qfv_devfuncs_t *dfunc = device->funcs;
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__auto_type cmd = rp->cmd;
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VkCommandBufferBeginInfo beginInfo = {
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VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO,
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};
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dfunc->vkResetCommandBuffer (cmd, 0);
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dfunc->vkBeginCommandBuffer (cmd, &beginInfo);
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QFV_duCmdBeginLabel (device, cmd, rp->label.name,
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{VEC4_EXP (rp->label.color)});
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dfunc->vkCmdBeginRenderPass (cmd, &rp->beginInfo, rp->subpassContents);
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for (uint32_t i = 0; i < rp->subpass_count; i++) {
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__auto_type sp = &rp->subpasses[i];
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run_subpass (sp, ctx);
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dfunc->vkCmdExecuteCommands (cmd, 1, &sp->cmd);
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//FIXME comment is a bit off as exactly one buffer is always submitted
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//
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//Regardless of whether any commands were submitted for this
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//subpass, must step through each and every subpass, otherwise
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//the attachments won't be transitioned correctly.
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//However, only if not the last (or only) subpass.
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if (i < rp->subpass_count - 1) {
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dfunc->vkCmdNextSubpass (cmd, rp->subpassContents);
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}
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}
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QFV_CmdEndLabel (device, cmd);
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}
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static exprsym_t qfv_renderpass_task_symbols[] = {
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{}
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};
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void
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QFV_LoadRenderPass (vulkan_ctx_t *ctx)
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{
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exprtab_t task_tab = { qfv_renderpass_task_symbols, 0 };
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exprctx_t ectx = {
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.symtab = &task_tab,
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.hashctx = &ctx->script_context->hashctx,
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};
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cexpr_init_symtab (&task_tab, &ectx);
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qfv_renderctx_t rctx = { .task_functions = &task_tab };
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plitem_t *item = Vulkan_GetConfig (ctx, "main_def");
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__auto_type ri = QFV_ParseRenderInfo (ctx, item, &rctx);
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printf ("%p\n", ri);
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Hash_DelTable (task_tab.tab);
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}
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