mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-23 21:02:50 +00:00
a1c67ea24b
There's still the actual job objects to create, but all the vulkan bits have been created and get destroyed on shutdown.
562 lines
17 KiB
C
562 lines
17 KiB
C
/*
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vulkan_particles.c
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Quake specific Vulkan particle manager
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Copyright (C) 2021 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/cvar.h"
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#include "QF/render.h"
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#include "QF/va.h"
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#include "QF/Vulkan/buffer.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/instance.h"
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#include "QF/Vulkan/render.h"
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#include "QF/Vulkan/resource.h"
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#include "QF/Vulkan/staging.h"
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#include "QF/Vulkan/qf_matrices.h"
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#include "QF/Vulkan/qf_palette.h"
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#include "QF/Vulkan/qf_particles.h"
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#include "QF/Vulkan/qf_renderpass.h"
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#include "QF/Vulkan/qf_translucent.h"
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#include "r_internal.h"
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#include "vid_vulkan.h"
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//FIXME make dynamic
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#define MaxParticles 2048
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typedef struct {
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vec4f_t gravity;
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float dT;
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} particle_push_constants_t;
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static const char * __attribute__((used)) particle_pass_names[] = {
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"draw",
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};
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static void
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particle_begin_subpass (VkPipeline pipeline, qfv_renderframe_t *rFrame)
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{
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vulkan_ctx_t *ctx = rFrame->vulkan_ctx;
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qfv_device_t *device = ctx->device;
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qfv_devfuncs_t *dfunc = device->funcs;
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particlectx_t *pctx = ctx->particle_context;
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uint32_t curFrame = ctx->curFrame;
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particleframe_t *pframe = &pctx->frames.a[curFrame];
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VkCommandBuffer cmd = pframe->cmdSet.a[0];
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dfunc->vkResetCommandBuffer (cmd, 0);
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VkCommandBufferInheritanceInfo inherit = {
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VK_STRUCTURE_TYPE_COMMAND_BUFFER_INHERITANCE_INFO, 0,
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rFrame->renderpass->renderpass, QFV_passTranslucentFrag,
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rFrame->framebuffer,
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0, 0, 0,
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};
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VkCommandBufferBeginInfo beginInfo = {
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VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO, 0,
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VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT
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| VK_COMMAND_BUFFER_USAGE_RENDER_PASS_CONTINUE_BIT, &inherit,
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};
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dfunc->vkBeginCommandBuffer (cmd, &beginInfo);
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QFV_duCmdBeginLabel (device, cmd, va (ctx->va_ctx, "particles:%s", "draw"),
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{ 0.6, 0.5, 0, 1});
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dfunc->vkCmdBindPipeline (cmd, VK_PIPELINE_BIND_POINT_GRAPHICS, pipeline);
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VkDescriptorSet sets[] = {
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Vulkan_Matrix_Descriptors (ctx, ctx->curFrame),
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Vulkan_Palette_Descriptor (ctx),
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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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pctx->draw_layout, 0, 3, sets, 0, 0);
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dfunc->vkCmdSetViewport (cmd, 0, 1, &rFrame->renderpass->viewport);
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dfunc->vkCmdSetScissor (cmd, 0, 1, &rFrame->renderpass->scissor);
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}
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static void
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particle_end_subpass (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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QFV_duCmdEndLabel (device, cmd);
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dfunc->vkEndCommandBuffer (cmd);
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}
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void
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Vulkan_DrawParticles (qfv_renderframe_t *rFrame)
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{
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vulkan_ctx_t *ctx = rFrame->vulkan_ctx;
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qfv_device_t *device = ctx->device;
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qfv_devfuncs_t *dfunc = device->funcs;
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particlectx_t *pctx = ctx->particle_context;
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uint32_t curFrame = ctx->curFrame;
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particleframe_t *pframe = &pctx->frames.a[curFrame];
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VkCommandBuffer cmd = pframe->cmdSet.a[0];
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DARRAY_APPEND (&rFrame->subpassCmdSets[QFV_passTranslucentFrag],
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pframe->cmdSet.a[0]);
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particle_begin_subpass (pctx->draw, rFrame);
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/*
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VkBufferMemoryBarrier barrier[] = {
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{ VK_STRUCTURE_TYPE_BUFFER_MEMORY_BARRIER, 0,
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VK_ACCESS_SHADER_READ_BIT
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| VK_ACCESS_SHADER_WRITE_BIT,
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VK_ACCESS_VERTEX_ATTRIBUTE_READ_BIT,
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0, 0,
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pframe->states, 0, VK_WHOLE_SIZE },
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{ VK_STRUCTURE_TYPE_BUFFER_MEMORY_BARRIER, 0,
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VK_ACCESS_SHADER_READ_BIT
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| VK_ACCESS_SHADER_WRITE_BIT,
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VK_ACCESS_VERTEX_ATTRIBUTE_READ_BIT,
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0, 0,
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pframe->params, 0, VK_WHOLE_SIZE },
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{ VK_STRUCTURE_TYPE_BUFFER_MEMORY_BARRIER, 0,
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VK_ACCESS_SHADER_READ_BIT
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| VK_ACCESS_SHADER_WRITE_BIT,
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VK_ACCESS_INDIRECT_COMMAND_READ_BIT,
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0, 0,
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pframe->system, 0, VK_WHOLE_SIZE },
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};
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dfunc->vkCmdWaitEvents (cmd, 1, &pframe->physicsEvent,
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VK_PIPELINE_STAGE_COMPUTE_SHADER_BIT,
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VK_PIPELINE_STAGE_DRAW_INDIRECT_BIT
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| VK_PIPELINE_STAGE_VERTEX_INPUT_BIT,
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0, 0,
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3, barrier,
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0, 0);
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*/
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mat4f_t mat;
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mat4fidentity (mat);
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qfv_push_constants_t push_constants[] = {
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{ VK_SHADER_STAGE_VERTEX_BIT, 0, sizeof (mat4f_t), &mat },
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};
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QFV_PushConstants (device, cmd, pctx->draw_layout, 1, push_constants);
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VkDeviceSize offsets[] = { 0 };
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VkBuffer buffers[] = {
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pframe->states,
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};
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dfunc->vkCmdBindVertexBuffers (cmd, 0, 1, buffers, offsets);
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dfunc->vkCmdDrawIndirect (cmd, pframe->system, 0, 1,
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sizeof (qfv_particle_system_t));
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particle_end_subpass (cmd, ctx);
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}
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static void
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create_buffers (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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particlectx_t *pctx = ctx->particle_context;
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size_t mp = MaxParticles;
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size_t frames = ctx->frames.size;
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pctx->resources = malloc (sizeof (qfv_resource_t)
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// states buffer
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+ frames * sizeof (qfv_resobj_t)
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// params buffer
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+ frames * sizeof (qfv_resobj_t)
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// system buffer
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+ frames * sizeof (qfv_resobj_t));
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__auto_type state_objs = (qfv_resobj_t *) &pctx->resources[1];
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__auto_type param_objs = &state_objs[frames];
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__auto_type system_objs = ¶m_objs[frames];
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pctx->resources[0] = (qfv_resource_t) {
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.name = "particles",
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.va_ctx = ctx->va_ctx,
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.memory_properties = VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT,
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.num_objects = 3 * frames,
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.objects = state_objs,
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};
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for (size_t i = 0; i < frames; i++) {
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state_objs[i] = (qfv_resobj_t) {
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.name = "states",
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.type = qfv_res_buffer,
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.buffer = {
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.size = mp * sizeof (qfv_particle_t),
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.usage = VK_BUFFER_USAGE_STORAGE_BUFFER_BIT
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| VK_BUFFER_USAGE_VERTEX_BUFFER_BIT,
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},
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};
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param_objs[i] = (qfv_resobj_t) {
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.name = "params",
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.type = qfv_res_buffer,
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.buffer = {
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.size = mp * sizeof (qfv_parameters_t),
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.usage = VK_BUFFER_USAGE_STORAGE_BUFFER_BIT,
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},
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};
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system_objs[i] = (qfv_resobj_t) {
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.name = "system",
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.type = qfv_res_buffer,
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.buffer = {
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.size = sizeof (qfv_particle_system_t),
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.usage = VK_BUFFER_USAGE_STORAGE_BUFFER_BIT
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| VK_BUFFER_USAGE_INDIRECT_BUFFER_BIT,
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},
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};
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}
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QFV_CreateResource (device, pctx->resources);
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size_t stageSize = (pctx->resources->size / frames)*(frames + 1);
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pctx->stage = QFV_CreateStagingBuffer (device, "particles", stageSize,
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ctx->cmdpool);
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for (size_t i = 0; i < frames; i++) {
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__auto_type pframe = &pctx->frames.a[i];
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pframe->states = state_objs[i].buffer.buffer;
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pframe->params = param_objs[i].buffer.buffer;
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pframe->system = system_objs[i].buffer.buffer;
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}
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for (size_t i = 0; i < frames; i++) {
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__auto_type curr = &pctx->frames.a[i];
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__auto_type prev = &pctx->frames.a[(i + frames - 1) % frames];
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VkDescriptorBufferInfo bufferInfo[] = {
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{ curr->states, 0, VK_WHOLE_SIZE },
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{ curr->params, 0, VK_WHOLE_SIZE },
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{ curr->system, 0, VK_WHOLE_SIZE },
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{ prev->states, 0, VK_WHOLE_SIZE },
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{ prev->params, 0, VK_WHOLE_SIZE },
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{ prev->system, 0, VK_WHOLE_SIZE },
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};
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VkWriteDescriptorSet write[] = {
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{ VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET, 0,
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curr->curDescriptors, 0, 0, 3,
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VK_DESCRIPTOR_TYPE_STORAGE_BUFFER,
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.pBufferInfo = bufferInfo + 0
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},
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{ VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET, 0,
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curr->inDescriptors, 0, 0, 3,
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VK_DESCRIPTOR_TYPE_STORAGE_BUFFER,
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.pBufferInfo = bufferInfo + 3
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},
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};
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dfunc->vkUpdateDescriptorSets (device->dev, 2, write, 0, 0);
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}
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}
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static void
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particles_draw (const exprval_t **params, exprval_t *result, exprctx_t *ectx)
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{
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}
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static void
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update_particles (const exprval_t **params, exprval_t *result, exprctx_t *ectx)
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{
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}
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static void
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particle_physics (const exprval_t **params, exprval_t *result, exprctx_t *ectx)
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{
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}
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static exprfunc_t particles_draw_func[] = {
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{ .func = particles_draw },
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{}
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};
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static exprfunc_t update_particles_func[] = {
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{ .func = update_particles },
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{}
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};
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static exprfunc_t particle_physics_func[] = {
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{ .func = particle_physics },
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{}
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};
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static exprsym_t particles_task_syms[] = {
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{ "particles_draw", &cexpr_function, particles_draw_func },
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{ "update_particles", &cexpr_function, update_particles_func },
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{ "particle_physics", &cexpr_function, particle_physics_func },
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{}
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};
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void
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Vulkan_Particles_Init (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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qfvPushDebug (ctx, "particles init");
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QFV_Render_AddTasks (ctx, particles_task_syms);
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particlectx_t *pctx = calloc (1, sizeof (particlectx_t));
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ctx->particle_context = pctx;
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pctx->psystem = &r_psystem;
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size_t frames = ctx->frames.size;
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DARRAY_INIT (&pctx->frames, frames);
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DARRAY_RESIZE (&pctx->frames, frames);
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pctx->frames.grow = 0;
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pctx->physics = Vulkan_CreateComputePipeline (ctx, "partphysics");
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pctx->update = Vulkan_CreateComputePipeline (ctx, "partupdate");
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pctx->draw = Vulkan_CreateGraphicsPipeline (ctx, "partdraw");
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pctx->physics_layout = Vulkan_CreatePipelineLayout (ctx,
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"partphysics_layout");
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pctx->update_layout = Vulkan_CreatePipelineLayout (ctx,
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"partupdate_layout");
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pctx->draw_layout = Vulkan_CreatePipelineLayout (ctx, "partdraw_layout");
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pctx->pool = Vulkan_CreateDescriptorPool (ctx, "particle_pool");
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pctx->setLayout = Vulkan_CreateDescriptorSetLayout (ctx, "particle_set");
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__auto_type layouts = QFV_AllocDescriptorSetLayoutSet (3 * frames, alloca);
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for (size_t i = 0; i < layouts->size; i++) {
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layouts->a[i] = pctx->setLayout;
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}
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__auto_type sets = QFV_AllocateDescriptorSet (device, pctx->pool, layouts);
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for (size_t i = 0; i < frames; i++) {
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__auto_type pframe = &pctx->frames.a[i];
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pframe->curDescriptors = sets->a[i * 3 + 0];
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pframe->inDescriptors = sets->a[i * 3 + 1];
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pframe->newDescriptors = sets->a[i * 3 + 2];
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DARRAY_INIT (&pframe->cmdSet, QFV_particleNumPasses);
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DARRAY_RESIZE (&pframe->cmdSet, QFV_particleNumPasses);
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pframe->cmdSet.grow = 0;
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QFV_AllocateCommandBuffers (device, ctx->cmdpool, 1, &pframe->cmdSet);
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for (int j = 0; j < QFV_particleNumPasses; j++) {
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QFV_duSetObjectName (device, VK_OBJECT_TYPE_COMMAND_BUFFER,
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pframe->cmdSet.a[j],
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va (ctx->va_ctx, "cmd:particle:%zd:%s", i,
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particle_pass_names[j]));
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}
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VkEventCreateInfo event = { VK_STRUCTURE_TYPE_EVENT_CREATE_INFO };
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dfunc->vkCreateEvent (device->dev, &event, 0, &pframe->physicsEvent);
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dfunc->vkCreateEvent (device->dev, &event, 0, &pframe->updateEvent);
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QFV_duSetObjectName (device, VK_OBJECT_TYPE_EVENT,
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pframe->physicsEvent,
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va (ctx->va_ctx, "event:particle:physics:%zd", i));
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QFV_duSetObjectName (device, VK_OBJECT_TYPE_EVENT,
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pframe->updateEvent,
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va (ctx->va_ctx, "event:particle:update:%zd", i));
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}
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free (sets);
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create_buffers (ctx);
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qfvPopDebug (ctx);
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}
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void
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Vulkan_Particles_Shutdown (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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particlectx_t *pctx = ctx->particle_context;
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size_t frames = ctx->frames.size;
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for (size_t i = 0; i < frames; i++) {
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__auto_type pframe = &pctx->frames.a[i];
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dfunc->vkDestroyEvent (device->dev, pframe->updateEvent, 0);
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dfunc->vkDestroyEvent (device->dev, pframe->physicsEvent, 0);
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}
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QFV_DestroyStagingBuffer (pctx->stage);
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QFV_DestroyResource (device, pctx->resources);
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free (pctx->resources);
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dfunc->vkDestroyPipeline (device->dev, pctx->physics, 0);
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dfunc->vkDestroyPipeline (device->dev, pctx->update, 0);
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dfunc->vkDestroyPipeline (device->dev, pctx->draw, 0);
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free (pctx->frames.a);
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free (pctx);
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}
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psystem_t *__attribute__((pure))//FIXME?
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Vulkan_ParticleSystem (vulkan_ctx_t *ctx)
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{
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return ctx->particle_context->psystem; //FIXME support more
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}
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static void
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particles_update (qfv_renderframe_t *rFrame)
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{
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vulkan_ctx_t *ctx = rFrame->vulkan_ctx;
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qfv_device_t *device = ctx->device;
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qfv_devfuncs_t *dfunc = device->funcs;
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particlectx_t *pctx = ctx->particle_context;
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__auto_type pframe = &pctx->frames.a[ctx->curFrame];
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qfv_packet_t *packet = QFV_PacketAcquire (pctx->stage);
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__auto_type limits = &device->physDev->properties->limits;
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VkMemoryRequirements req = {
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.alignment = limits->minStorageBufferOffsetAlignment
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};
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uint32_t numParticles = min (MaxParticles, pctx->psystem->numparticles);
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size_t syssize = sizeof (qfv_particle_system_t);
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size_t partoffs = QFV_NextOffset (syssize, &req);
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size_t partsize = sizeof (qfv_particle_t) * numParticles;
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size_t paramoffs = QFV_NextOffset (partoffs + partsize, &req);
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size_t paramsize = sizeof (qfv_parameters_t) * numParticles;
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size_t size = paramoffs + paramsize;
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qfv_particle_system_t *system = QFV_PacketExtend (packet, size);
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*system = (qfv_particle_system_t) {
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.vertexCount = 1,
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.particleCount = numParticles,
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};
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__auto_type particles = (qfv_particle_t *) ((byte *)system + partoffs);
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memcpy (particles, pctx->psystem->particles, partsize);
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qfv_parameters_t *params = (qfv_parameters_t *)((byte *)system + paramoffs);
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memcpy (params, pctx->psystem->partparams, paramsize);
|
|
|
|
if (!numParticles) {
|
|
// if there are no particles, then no space for the particle states or
|
|
// parameters has been allocated in the staging buffer, so map the
|
|
// two buffers over the system buffer. This avoids either buffer being
|
|
// just past the end of the staging buffer (which the validation layers
|
|
// (correctly) do not like).
|
|
// This is fine because the two buffers are only read by the compute
|
|
// shader.
|
|
partsize = paramsize = syssize;
|
|
partoffs = paramoffs = 0;
|
|
}
|
|
|
|
size_t sysoffs = packet->offset;
|
|
VkDescriptorBufferInfo bufferInfo[] = {
|
|
{ packet->stage->buffer, sysoffs + partoffs, partsize},
|
|
{ packet->stage->buffer, sysoffs + paramoffs, paramsize},
|
|
{ packet->stage->buffer, sysoffs, syssize },
|
|
};
|
|
VkWriteDescriptorSet write[] = {
|
|
{ VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET, 0,
|
|
pframe->newDescriptors, 0, 0, 3,
|
|
VK_DESCRIPTOR_TYPE_STORAGE_BUFFER,
|
|
.pBufferInfo = bufferInfo
|
|
},
|
|
};
|
|
dfunc->vkUpdateDescriptorSets (device->dev, 1, write, 0, 0);
|
|
|
|
dfunc->vkResetEvent (device->dev, pframe->updateEvent);
|
|
dfunc->vkResetEvent (device->dev, pframe->physicsEvent);
|
|
|
|
VkBufferMemoryBarrier pl_barrier[] = {
|
|
{ VK_STRUCTURE_TYPE_BUFFER_MEMORY_BARRIER, 0,
|
|
0,
|
|
VK_ACCESS_SHADER_READ_BIT,
|
|
0, 0,
|
|
packet->stage->buffer, sysoffs, paramoffs + paramsize },
|
|
};
|
|
dfunc->vkCmdPipelineBarrier (packet->cmd,
|
|
VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT,
|
|
VK_PIPELINE_STAGE_COMPUTE_SHADER_BIT,
|
|
0,
|
|
0, 0,
|
|
1, pl_barrier,
|
|
0, 0);
|
|
|
|
dfunc->vkCmdBindPipeline (packet->cmd, VK_PIPELINE_BIND_POINT_COMPUTE,
|
|
pctx->update);
|
|
VkDescriptorSet set[3] = {
|
|
pframe->curDescriptors,
|
|
pframe->inDescriptors,
|
|
pframe->newDescriptors,
|
|
};
|
|
dfunc->vkCmdBindDescriptorSets (packet->cmd, VK_PIPELINE_BIND_POINT_COMPUTE,
|
|
pctx->update_layout, 0, 3, set, 0, 0);
|
|
dfunc->vkCmdDispatch (packet->cmd, 1, 1, 1);
|
|
dfunc->vkCmdSetEvent (packet->cmd, pframe->updateEvent,
|
|
VK_PIPELINE_STAGE_COMPUTE_SHADER_BIT);
|
|
|
|
VkBufferMemoryBarrier ev_barrier[] = {
|
|
{ VK_STRUCTURE_TYPE_BUFFER_MEMORY_BARRIER, 0,
|
|
VK_ACCESS_SHADER_WRITE_BIT,
|
|
VK_ACCESS_SHADER_READ_BIT
|
|
| VK_ACCESS_SHADER_WRITE_BIT,
|
|
0, 0,
|
|
pframe->states, 0, VK_WHOLE_SIZE },
|
|
{ VK_STRUCTURE_TYPE_BUFFER_MEMORY_BARRIER, 0,
|
|
VK_ACCESS_SHADER_WRITE_BIT,
|
|
VK_ACCESS_SHADER_READ_BIT
|
|
| VK_ACCESS_SHADER_WRITE_BIT,
|
|
0, 0,
|
|
pframe->params, 0, VK_WHOLE_SIZE },
|
|
{ VK_STRUCTURE_TYPE_BUFFER_MEMORY_BARRIER, 0,
|
|
VK_ACCESS_SHADER_WRITE_BIT,
|
|
VK_ACCESS_SHADER_READ_BIT
|
|
| VK_ACCESS_SHADER_WRITE_BIT,
|
|
0, 0,
|
|
pframe->system, 0, VK_WHOLE_SIZE },
|
|
};
|
|
dfunc->vkCmdWaitEvents (packet->cmd, 1, &pframe->updateEvent,
|
|
VK_PIPELINE_STAGE_COMPUTE_SHADER_BIT,
|
|
VK_PIPELINE_STAGE_COMPUTE_SHADER_BIT,
|
|
0, 0,
|
|
3, ev_barrier,
|
|
0, 0);
|
|
dfunc->vkCmdBindPipeline (packet->cmd, VK_PIPELINE_BIND_POINT_COMPUTE,
|
|
pctx->physics);
|
|
dfunc->vkCmdBindDescriptorSets (packet->cmd, VK_PIPELINE_BIND_POINT_COMPUTE,
|
|
pctx->physics_layout, 0, 1, set, 0, 0);
|
|
|
|
particle_push_constants_t constants = {
|
|
.gravity = pctx->psystem->gravity,
|
|
.dT = vr_data.frametime,
|
|
};
|
|
qfv_push_constants_t push_constants[] = {
|
|
{ VK_SHADER_STAGE_COMPUTE_BIT,
|
|
field_offset (particle_push_constants_t, gravity),
|
|
sizeof (vec4f_t), &constants.gravity },
|
|
{ VK_SHADER_STAGE_COMPUTE_BIT,
|
|
field_offset (particle_push_constants_t, dT),
|
|
sizeof (float), &constants.dT },
|
|
};
|
|
QFV_PushConstants (device, packet->cmd, pctx->physics_layout,
|
|
2, push_constants);
|
|
dfunc->vkCmdDispatch (packet->cmd, MaxParticles, 1, 1);
|
|
//dfunc->vkCmdSetEvent (packet->cmd, pframe->physicsEvent,
|
|
// VK_PIPELINE_STAGE_COMPUTE_SHADER_BIT);
|
|
QFV_PacketSubmit (packet);
|
|
|
|
pctx->psystem->numparticles = 0;
|
|
}
|
|
|
|
void
|
|
Vulkan_Particles_CreateRenderPasses (vulkan_ctx_t *ctx)
|
|
{
|
|
__auto_type rp = QFV_RenderPass_New (ctx, "particles", particles_update);
|
|
rp->order = QFV_rp_particles;
|
|
DARRAY_APPEND (&ctx->renderPasses, rp);
|
|
}
|