quakeforge/libs/video/renderer/vulkan/render.c
Bill Currie 9e050ebf9a [vulkan] Attempt to load the render info spec
It fails due to not supporting labeled arrays yet. I'm currently
thinking about the design for vkgen.
2023-02-14 15:17:18 +09:00

133 lines
3.9 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/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);
}
void
QFV_LoadRenderPass (vulkan_ctx_t *ctx)
{
plitem_t *item = Vulkan_GetConfig (ctx, "main_def");
__auto_type ri = QFV_ParseRenderInfo (ctx, item);
printf ("%p\n", ri);
}