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quakeforge/libs/models/alias/vulkan_model_alias.c
Bill Currie d5b824a47c [vulkan] Switch alias pipeline to multi-texture 
This gets the alias pipeline in line with the bsp pipeline, and thus
everything is about as functional as it was before the rework (minus
dealing with large texture sets).
2021-12-24 06:45:13 +09:00

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/*
vulkan_model_alais.c
Alias model processing for Vulkan
Copyright (C) 2021 Bill Currie <bill@taniwha.org>
Author: Bill Currie <bill@taniwha.org>
Date: 2021/1/24
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_STRING_H
# include <string.h>
#endif
#ifdef HAVE_STRINGS_H
# include <strings.h>
#endif
#include <stdlib.h>
#include "QF/cvar.h"
#include "QF/va.h"
#include "QF/modelgen.h"
#include "QF/vid.h"
#include "QF/Vulkan/qf_alias.h"
#include "QF/Vulkan/qf_texture.h"
#include "QF/Vulkan/barrier.h"
#include "QF/Vulkan/buffer.h"
#include "QF/Vulkan/device.h"
#include "QF/Vulkan/debug.h"
#include "QF/Vulkan/image.h"
#include "QF/Vulkan/instance.h"
#include "QF/Vulkan/staging.h"
#include "mod_internal.h"
#include "r_internal.h"
#include "vid_vulkan.h"
static vec3_t vertex_normals[NUMVERTEXNORMALS] = {
#include "anorms.h"
};
static void
skin_clear (int skin_offset, aliashdr_t *hdr, vulkan_ctx_t *ctx)
{
qfv_device_t *device = ctx->device;
qfv_devfuncs_t *dfunc = device->funcs;
qfv_alias_skin_t *skin = (qfv_alias_skin_t *) ((byte *) hdr + skin_offset);
Vulkan_AliasRemoveSkin (ctx, skin);
dfunc->vkDestroyImageView (device->dev, skin->view, 0);
dfunc->vkDestroyImage (device->dev, skin->image, 0);
dfunc->vkFreeMemory (device->dev, skin->memory, 0);
}
static void
vulkan_alias_clear (model_t *m, void *data)
{
vulkan_ctx_t *ctx = data;
qfv_device_t *device = ctx->device;
qfv_devfuncs_t *dfunc = device->funcs;
aliashdr_t *hdr;
qfv_alias_mesh_t *mesh;
QFV_DeviceWaitIdle (device);
m->needload = true; //FIXME is this right?
if (!(hdr = m->aliashdr)) {
hdr = Cache_Get (&m->cache);
}
mesh = (qfv_alias_mesh_t *) ((byte *) hdr + hdr->commands);
dfunc->vkDestroyBuffer (device->dev, mesh->vertex_buffer, 0);
dfunc->vkDestroyBuffer (device->dev, mesh->uv_buffer, 0);
dfunc->vkDestroyBuffer (device->dev, mesh->index_buffer, 0);
dfunc->vkFreeMemory (device->dev, mesh->memory, 0);
__auto_type skins = (maliasskindesc_t *) ((byte *) hdr + hdr->skindesc);
for (int i = 0; i < hdr->mdl.numskins; i++) {
if (skins[i].type == ALIAS_SKIN_GROUP) {
__auto_type group = (maliasskingroup_t *)
((byte *) hdr + skins[i].skin);
for (int j = 0; j < group->numskins; j++) {
skin_clear (group->skindescs[j].skin, hdr, ctx);
}
} else {
skin_clear (skins[i].skin, hdr, ctx);
}
}
}
void *
Vulkan_Mod_LoadSkin (mod_alias_ctx_t *alias_ctx, byte *skinpix, int skinsize,
int snum, int gnum, qboolean group,
maliasskindesc_t *skindesc, vulkan_ctx_t *ctx)
{
qfvPushDebug (ctx, va (ctx->va_ctx, "alias.load_skin: %s", alias_ctx->mod->name));
qfv_device_t *device = ctx->device;
qfv_devfuncs_t *dfunc = device->funcs;
aliashdr_t *header = alias_ctx->header;
qfv_alias_skin_t *skin;
byte *tskin;
int w, h;
skin = Hunk_Alloc (0, sizeof (qfv_alias_skin_t));
QuatCopy (vid.palette32 + (TOP_RANGE + 15) * 4, skin->colora);
QuatCopy (vid.palette32 + (BOTTOM_RANGE + 15) * 4, skin->colorb);
skindesc->skin = (byte *) skin - (byte *) header;
//FIXME move all skins into arrays(?)
w = header->mdl.skinwidth;
h = header->mdl.skinheight;
tskin = malloc (2 * skinsize);
memcpy (tskin, skinpix, skinsize);
Mod_FloodFillSkin (tskin, w, h);
int mipLevels = QFV_MipLevels (w, h);
VkExtent3D extent = { w, h, 1 };
skin->image = QFV_CreateImage (device, 0, VK_IMAGE_TYPE_2D,
VK_FORMAT_R8G8B8A8_UNORM, extent,
mipLevels, 4, VK_SAMPLE_COUNT_1_BIT,
VK_IMAGE_USAGE_SAMPLED_BIT
| VK_IMAGE_USAGE_TRANSFER_DST_BIT
| VK_IMAGE_USAGE_TRANSFER_SRC_BIT);
QFV_duSetObjectName (device, VK_OBJECT_TYPE_IMAGE, skin->image,
va (ctx->va_ctx, "image:%s:%d:%d",
alias_ctx->mod->name, snum, gnum));
skin->memory = QFV_AllocImageMemory (device, skin->image,
VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT,
0, 0);
QFV_duSetObjectName (device, VK_OBJECT_TYPE_DEVICE_MEMORY, skin->memory,
va (ctx->va_ctx, "memory:%s:%d:%d",
alias_ctx->mod->name, snum, gnum));
QFV_BindImageMemory (device, skin->image, skin->memory, 0);
skin->view = QFV_CreateImageView (device, skin->image,
VK_IMAGE_VIEW_TYPE_2D_ARRAY,
VK_FORMAT_R8G8B8A8_UNORM,
VK_IMAGE_ASPECT_COLOR_BIT);
QFV_duSetObjectName (device, VK_OBJECT_TYPE_IMAGE_VIEW, skin->view,
va (ctx->va_ctx, "iview:%s:%d:%d",
alias_ctx->mod->name, snum, gnum));
qfv_stagebuf_t *stage = QFV_CreateStagingBuffer (device, "alias stage",
4 * skinsize * 4,
ctx->cmdpool);
qfv_packet_t *packet = QFV_PacketAcquire (stage);
byte *base_data = QFV_PacketExtend (packet, skinsize * 4);
byte *cola_data = QFV_PacketExtend (packet, skinsize * 4);
byte *colb_data = QFV_PacketExtend (packet, skinsize * 4);
byte *glow_data = QFV_PacketExtend (packet, skinsize * 4);
Mod_CalcFullbright (tskin + skinsize, tskin, skinsize);
Vulkan_ExpandPalette (glow_data, tskin + skinsize, vid.palette, 1,
skinsize);
Mod_ClearFullbright (tskin, tskin, skinsize);
Skin_CalcTopColors (tskin + skinsize, tskin, skinsize);
Vulkan_ExpandPalette (cola_data, tskin + skinsize, vid.palette, 1,
skinsize);
Skin_ClearTopColors (tskin, tskin, skinsize);
Skin_CalcBottomColors (tskin + skinsize, tskin, skinsize);
Vulkan_ExpandPalette (colb_data, tskin + skinsize, vid.palette, 1,
skinsize);
Skin_ClearBottomColors (tskin, tskin, skinsize);
Vulkan_ExpandPalette (base_data, tskin, vid.palette, 1, skinsize);
qfv_imagebarrier_t ib = imageBarriers[qfv_LT_Undefined_to_TransferDst];
ib.barrier.image = skin->image;
ib.barrier.subresourceRange.levelCount = VK_REMAINING_MIP_LEVELS;
ib.barrier.subresourceRange.layerCount = VK_REMAINING_ARRAY_LAYERS;
dfunc->vkCmdPipelineBarrier (packet->cmd, ib.srcStages, ib.dstStages,
0, 0, 0, 0, 0,
1, &ib.barrier);
VkBufferImageCopy copy = {
packet->offset, 0, 0,
{VK_IMAGE_ASPECT_COLOR_BIT, 0, 0, 4},
{0, 0, 0}, {w, h, 1},
};
dfunc->vkCmdCopyBufferToImage (packet->cmd, packet->stage->buffer,
skin->image,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
1, &copy);
if (mipLevels == 1) {
ib = imageBarriers[qfv_LT_TransferDst_to_ShaderReadOnly];
ib.barrier.image = skin->image;
ib.barrier.subresourceRange.levelCount = VK_REMAINING_MIP_LEVELS;
ib.barrier.subresourceRange.layerCount = VK_REMAINING_ARRAY_LAYERS;
dfunc->vkCmdPipelineBarrier (packet->cmd, ib.srcStages, ib.dstStages,
0, 0, 0, 0, 0,
1, &ib.barrier);
} else {
QFV_GenerateMipMaps (device, packet->cmd, skin->image,
mipLevels, w, h, 4);
}
QFV_PacketSubmit (packet);
QFV_DestroyStagingBuffer (stage);
free (tskin);
Vulkan_AliasAddSkin (ctx, skin);
qfvPopDebug (ctx);
return skinpix + skinsize;
}
void
Vulkan_Mod_FinalizeAliasModel (mod_alias_ctx_t *alias_ctx, vulkan_ctx_t *ctx)
{
alias_ctx->mod->clear = vulkan_alias_clear;
alias_ctx->mod->data = ctx;
}
void
Vulkan_Mod_LoadExternalSkins (mod_alias_ctx_t *alias_ctx, vulkan_ctx_t *ctx)
{
}
static size_t
get_buffer_size (qfv_device_t *device, VkBuffer buffer)
{
qfv_devfuncs_t *dfunc = device->funcs;
size_t size;
size_t align;
VkMemoryRequirements requirements;
dfunc->vkGetBufferMemoryRequirements (device->dev, buffer, &requirements);
size = requirements.size;
align = requirements.alignment - 1;
size = (size + align) & ~(align);
return size;
}
void
Vulkan_Mod_MakeAliasModelDisplayLists (mod_alias_ctx_t *alias_ctx, void *_m,
int _s, int extra, vulkan_ctx_t *ctx)
{
aliashdr_t *header = alias_ctx->header;
qfv_device_t *device = ctx->device;
qfv_devfuncs_t *dfunc = device->funcs;
aliasvrt_t *verts;
aliasuv_t *uv;
trivertx_t *pv;
int *indexmap;
uint32_t *indices;
int numverts;
int numtris;
int i, j;
int pose;
vec3_t pos;
if (header->mdl.ident == HEADER_MDL16)
VectorScale (header->mdl.scale, 1/256.0, header->mdl.scale);
numverts = header->mdl.numverts;
numtris = header->mdl.numtris;
// initialize indexmap to -1 (unduplicated). any other value indicates
// both that the vertex has been duplicated and the index of the
// duplicate vertex.
indexmap = malloc (numverts * sizeof (int));
memset (indexmap, -1, numverts * sizeof (int));
// check for onseam verts, and duplicate any that are associated with
// back-facing triangles
for (i = 0; i < numtris; i++) {
for (j = 0; j < 3; j++) {
int vind = alias_ctx->triangles.a[i].vertindex[j];
if (alias_ctx->stverts.a[vind].onseam
&& !alias_ctx->triangles.a[i].facesfront) {
// duplicate the vertex if it has not alreaddy been
// duplicated
if (indexmap[vind] == -1) {
indexmap[vind] = numverts++;
}
}
}
}
// we now know exactly how many vertices we need, so built the vertex
// and index data arrays
// The layout is:
// vbuf:{vertex, normal} * (numposes * numverts)
// uvbuf:{uv} * (numverts)
// ibuf:{index} * (numtris * 3)
// numverts includes the duplicated seam vertices.
// The vertex buffer will be bound with various offsets based on the
// current and previous pose, uvbuff "statically" bound as uvs are not
// animated by pose, and the same for ibuf: indices will never change for
// the mesh
size_t vert_count = numverts * header->numposes;
size_t vert_size = vert_count * sizeof (aliasvrt_t);
size_t uv_size = numverts * sizeof (aliasuv_t);
size_t ind_size = 3 * numtris * sizeof (uint32_t);
VkBuffer vbuff = QFV_CreateBuffer (device, vert_size,
VK_BUFFER_USAGE_TRANSFER_DST_BIT
| VK_BUFFER_USAGE_VERTEX_BUFFER_BIT);
VkBuffer uvbuff = QFV_CreateBuffer (device, uv_size,
VK_BUFFER_USAGE_TRANSFER_DST_BIT
| VK_BUFFER_USAGE_VERTEX_BUFFER_BIT);
VkBuffer ibuff = QFV_CreateBuffer (device, ind_size,
VK_BUFFER_USAGE_TRANSFER_DST_BIT
| VK_BUFFER_USAGE_INDEX_BUFFER_BIT);
QFV_duSetObjectName (device, VK_OBJECT_TYPE_BUFFER, vbuff,
va (ctx->va_ctx, "buffer:alias:vertex:%s",
alias_ctx->mod->name));
QFV_duSetObjectName (device, VK_OBJECT_TYPE_BUFFER, uvbuff,
va (ctx->va_ctx, "buffer:alias:uv:%s",
alias_ctx->mod->name));
QFV_duSetObjectName (device, VK_OBJECT_TYPE_BUFFER, ibuff,
va (ctx->va_ctx, "buffer:alias:index:%s",
alias_ctx->mod->name));
size_t voffs = 0;
size_t uvoffs = voffs + get_buffer_size (device, vbuff);
size_t ioffs = uvoffs + get_buffer_size (device, uvbuff);
size_t buff_size = ioffs + get_buffer_size (device, ibuff);
VkDeviceMemory mem;
mem = QFV_AllocBufferMemory (device, vbuff,
VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT,
buff_size, 0);
QFV_duSetObjectName (device, VK_OBJECT_TYPE_DEVICE_MEMORY, mem,
va (ctx->va_ctx, "memory:alias:vuvi:%s",
alias_ctx->mod->name));
QFV_BindBufferMemory (device, vbuff, mem, voffs);
QFV_BindBufferMemory (device, uvbuff, mem, uvoffs);
QFV_BindBufferMemory (device, ibuff, mem, ioffs);
qfv_stagebuf_t *stage = QFV_CreateStagingBuffer (device,
va (ctx->va_ctx,
"alias:%s",
alias_ctx->mod->name),
buff_size, ctx->cmdpool);
qfv_packet_t *packet = QFV_PacketAcquire (stage);
verts = QFV_PacketExtend (packet, vert_size);
uv = QFV_PacketExtend (packet, uv_size);
indices = QFV_PacketExtend (packet, ind_size);
// populate the uvs, duplicating and shifting any that are on the seam
// and associated with back-facing triangles (marked by non-negative
// indexmap entry).
// the s coordinate is shifted right by half the skin width.
for (i = 0; i < header->mdl.numverts; i++) {
int vind = indexmap[i];
uv[i].u = (float) alias_ctx->stverts.a[i].s / header->mdl.skinwidth;
uv[i].v = (float) alias_ctx->stverts.a[i].t / header->mdl.skinheight;
if (vind != -1) {
uv[vind] = uv[i];
uv[vind].u += 0.5;
}
}
// poputlate the vertex position and normal data, duplicating for
// back-facing on-seam verts (indicated by non-negative indexmap entry)
for (i = 0, pose = 0; i < header->numposes; i++, pose += numverts) {
for (j = 0; j < header->mdl.numverts; j++) {
pv = &alias_ctx->poseverts.a[i][j];
if (extra) {
VectorMultAdd (pv[header->mdl.numverts].v, 256, pv->v, pos);
} else {
VectorCopy (pv->v, pos);
}
VectorCompMultAdd (header->mdl.scale_origin, header->mdl.scale,
pos, verts[pose + j].vertex);
verts[pose + j].vertex[3] = 1;
VectorCopy (vertex_normals[pv->lightnormalindex],
verts[pose + j].normal);
verts[pose + j].normal[3] = 0;
// duplicate on-seam vert associated with back-facing triangle
if (indexmap[j] != -1) {
verts[pose + indexmap[j]] = verts[pose + j];
}
}
}
// now build the indices for DrawElements
for (i = 0; i < numtris; i++) {
for (j = 0; j < 3; j++) {
int vind = alias_ctx->triangles.a[i].vertindex[j];
if (alias_ctx->stverts.a[vind].onseam
&& !alias_ctx->triangles.a[i].facesfront) {
vind = indexmap[vind];
}
indices[3 * i + j] = vind;
}
}
// finished with indexmap
free (indexmap);
header->poseverts = numverts;
qfv_bufferbarrier_t bb = bufferBarriers[qfv_BB_Unknown_to_TransferWrite];
VkBufferMemoryBarrier wr_barriers[] = {
bb.barrier, bb.barrier, bb.barrier,
};
wr_barriers[0].buffer = vbuff;
wr_barriers[0].size = vert_size;
wr_barriers[1].buffer = uvbuff;
wr_barriers[1].size = uv_size;
wr_barriers[2].buffer = ibuff;
wr_barriers[2].size = ind_size;
dfunc->vkCmdPipelineBarrier (packet->cmd, bb.srcStages, bb.dstStages,
0, 0, 0, 3, wr_barriers, 0, 0);
VkBufferCopy copy_region[] = {
{ packet->offset, 0, vert_size },
{ packet->offset + vert_size, 0, uv_size },
{ packet->offset + vert_size + uv_size, 0, ind_size },
};
dfunc->vkCmdCopyBuffer (packet->cmd, stage->buffer,
vbuff, 1, &copy_region[0]);
dfunc->vkCmdCopyBuffer (packet->cmd, stage->buffer,
uvbuff, 1, &copy_region[1]);
dfunc->vkCmdCopyBuffer (packet->cmd, stage->buffer,
ibuff, 1, &copy_region[2]);
// both qfv_BB_TransferWrite_to_VertexAttrRead and
// qfv_BB_TransferWrite_to_IndexRead have the same stage flags
bb = bufferBarriers[qfv_BB_TransferWrite_to_VertexAttrRead];
VkBufferMemoryBarrier rd_barriers[] = {
bufferBarriers[qfv_BB_TransferWrite_to_VertexAttrRead].barrier,
bufferBarriers[qfv_BB_TransferWrite_to_VertexAttrRead].barrier,
bufferBarriers[qfv_BB_TransferWrite_to_IndexRead].barrier,
};
rd_barriers[0].buffer = vbuff;
rd_barriers[0].size = vert_size;
rd_barriers[1].buffer = uvbuff;
rd_barriers[1].size = uv_size;
rd_barriers[2].buffer = ibuff;
rd_barriers[2].size = ind_size;
dfunc->vkCmdPipelineBarrier (packet->cmd, bb.srcStages, bb.dstStages,
0, 0, 0, 3, rd_barriers, 0, 0);
QFV_PacketSubmit (packet);
QFV_DestroyStagingBuffer (stage);
qfv_alias_mesh_t *mesh = Hunk_Alloc (0, sizeof (qfv_alias_mesh_t));
mesh->vertex_buffer = vbuff;
mesh->uv_buffer = uvbuff;
mesh->index_buffer = ibuff;
mesh->memory = mem;
header->commands = (byte *) mesh - (byte *) header;
}
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