quakeforge/libs/video/renderer/vulkan/render.c
Bill Currie 2c3b89f722 [vulkan] Implement task function parsing
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.
2023-02-14 15:25:04 +09:00

151 lines
4.2 KiB
C

/*
render.c
Vulkan render manager
Copyright (C) 2023 Bill Currie <bill@taniwha.org>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to:
Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#ifdef HAVE_MATH_H
# include <math.h>
#endif
#ifdef HAVE_STRING_H
# include <string.h>
#endif
#ifdef HAVE_STRINGS_H
# include <strings.h>
#endif
#include "QF/hash.h"
#include "QF/Vulkan/command.h"
#include "QF/Vulkan/debug.h"
#include "QF/Vulkan/device.h"
#include "QF/Vulkan/render.h"
#include "QF/Vulkan/pipeline.h"
#include "vid_vulkan.h"
#include "QF/Vulkan/qf_renderpass.h"//FIXME
#include "vkparse.h"
static void
run_pipeline (qfv_pipeline_t *pipeline, VkCommandBuffer cmd, vulkan_ctx_t *ctx)
{
qfv_device_t *device = ctx->device;
qfv_devfuncs_t *dfunc = device->funcs;
dfunc->vkCmdBindPipeline (cmd, pipeline->bindPoint, pipeline->pipeline);
dfunc->vkCmdSetViewport (cmd, 0, 1, &pipeline->viewport);
dfunc->vkCmdSetScissor (cmd, 0, 1, &pipeline->scissor);
if (pipeline->num_descriptor_sets) {
dfunc->vkCmdBindDescriptorSets (cmd, pipeline->bindPoint,
pipeline->layout,
pipeline->first_descriptor_set,
pipeline->num_descriptor_sets,
pipeline->descriptor_sets,
0, 0);
}
if (pipeline->num_push_constants) {
QFV_PushConstants (device, cmd, pipeline->layout,
pipeline->num_push_constants,
pipeline->push_constants);
}
}
// https://themaister.net/blog/2019/08/14/yet-another-blog-explaining-vulkan-synchronization/
static void
run_subpass (qfv_subpass_t_ *sp, vulkan_ctx_t *ctx)
{
qfv_device_t *device = ctx->device;
qfv_devfuncs_t *dfunc = device->funcs;
__auto_type cmd = sp->cmd;
dfunc->vkResetCommandBuffer (cmd, 0);
dfunc->vkBeginCommandBuffer (cmd, &sp->beginInfo);
QFV_duCmdBeginLabel (device, cmd, sp->label.name,
{VEC4_EXP (sp->label.color)});
for (uint32_t i = 0; i < sp->pipline_count; i++) {
__auto_type pipeline = &sp->pipelines[i];
run_pipeline (pipeline, cmd, ctx);
}
QFV_duCmdEndLabel (device, cmd);
dfunc->vkEndCommandBuffer (cmd);
}
void
QFV_RunRenderPass (qfv_renderpass_t_ *rp, vulkan_ctx_t *ctx)
{
qfv_device_t *device = ctx->device;
qfv_devfuncs_t *dfunc = device->funcs;
__auto_type cmd = rp->cmd;
VkCommandBufferBeginInfo beginInfo = {
VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO,
};
dfunc->vkResetCommandBuffer (cmd, 0);
dfunc->vkBeginCommandBuffer (cmd, &beginInfo);
QFV_duCmdBeginLabel (device, cmd, rp->label.name,
{VEC4_EXP (rp->label.color)});
dfunc->vkCmdBeginRenderPass (cmd, &rp->beginInfo, rp->subpassContents);
for (uint32_t i = 0; i < rp->subpass_count; i++) {
__auto_type sp = &rp->subpasses[i];
run_subpass (sp, ctx);
dfunc->vkCmdExecuteCommands (cmd, 1, &sp->cmd);
//FIXME comment is a bit off as exactly one buffer is always submitted
//
//Regardless of whether any commands were submitted for this
//subpass, must step through each and every subpass, otherwise
//the attachments won't be transitioned correctly.
//However, only if not the last (or only) subpass.
if (i < rp->subpass_count - 1) {
dfunc->vkCmdNextSubpass (cmd, rp->subpassContents);
}
}
QFV_CmdEndLabel (device, cmd);
}
static exprsym_t qfv_renderpass_task_symbols[] = {
{}
};
void
QFV_LoadRenderPass (vulkan_ctx_t *ctx)
{
exprtab_t task_tab = { qfv_renderpass_task_symbols, 0 };
exprctx_t ectx = {
.symtab = &task_tab,
.hashctx = &ctx->script_context->hashctx,
};
cexpr_init_symtab (&task_tab, &ectx);
qfv_renderctx_t rctx = { .task_functions = &task_tab };
plitem_t *item = Vulkan_GetConfig (ctx, "main_def");
__auto_type ri = QFV_ParseRenderInfo (ctx, item, &rctx);
printf ("%p\n", ri);
Hash_DelTable (task_tab.tab);
}