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quakeforge/libs/video/renderer/vulkan/vulkan_bsp.c
Bill Currie 7e946a4de9 [vulkan] Implement water surface rendering 
They're unlit (fullbright, but that's nothing new for quake), but
working nicely. As a bonus, sort out the sky pass (forced to due to the
way command buffers are used).
2021-03-23 12:24:24 +09:00

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/*
vulkan_bsp.c
Vulkan bsp
Copyright (C) 2012 Bill Currie <bill@taniwha.org>
Copyright (C) 2021 Bill Currie <bill@taniwha.org>
Author: Bill Currie <bill@taniwha.org>
Date: 2012/1/7
Date: 2021/1/18
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 "qfalloca.h"
#include "QF/cvar.h"
#include "QF/darray.h"
#include "QF/entity.h"
#include "QF/image.h"
#include "QF/render.h"
#include "QF/sys.h"
#include "QF/va.h"
#include "QF/vrect.h"
#include "QF/Vulkan/qf_bsp.h"
#include "QF/Vulkan/qf_lightmap.h"
#include "QF/Vulkan/qf_texture.h"
#include "QF/Vulkan/buffer.h"
#include "QF/Vulkan/barrier.h"
#include "QF/Vulkan/command.h"
#include "QF/Vulkan/debug.h"
#include "QF/Vulkan/descriptor.h"
#include "QF/Vulkan/device.h"
#include "QF/Vulkan/image.h"
#include "QF/Vulkan/instance.h"
#include "QF/Vulkan/scrap.h"
#include "QF/Vulkan/staging.h"
#include "r_internal.h"
#include "vid_vulkan.h"
static const char *bsp_pass_names[] = {
"depth",
"g-buffer",
"sky",
"turb",
};
static QFV_Subpass subpass_map[] = {
QFV_passDepth, // QFV_bspDepth
QFV_passGBuffer, // QFV_bspGBuffer
QFV_passTranslucent, // QFV_bspSky
QFV_passTranslucent, // QFV_bspTurb
};
static float identity[] = {
1, 0, 0, 0,
0, 1, 0, 0,
0, 0, 1, 0,
0, 0, 0, 1,
};
#define ALLOC_CHUNK 64
typedef struct bsppoly_s {
uint32_t count;
uint32_t indices[1];
} bsppoly_t;
#define CHAIN_SURF_F2B(surf,chain) \
do { \
instsurf_t *inst = (surf)->instsurf; \
if (__builtin_expect(!inst, 1)) \
(surf)->tinst = inst = get_instsurf (bctx); \
inst->surface = (surf); \
*(chain##_tail) = inst; \
(chain##_tail) = &inst->tex_chain; \
*(chain##_tail) = 0; \
} while (0)
#define CHAIN_SURF_B2F(surf,chain) \
do { \
instsurf_t *inst = (surf)->instsurf; \
if (__builtin_expect(!inst, 1)) \
(surf)->tinst = inst = get_instsurf (bctx); \
inst->surface = (surf); \
inst->tex_chain = (chain); \
(chain) = inst; \
} while (0)
#define GET_RELEASE(type,name) \
static inline type * \
get_##name (bspctx_t *bctx) \
{ \
type *ele; \
if (!bctx->free_##name##s) { \
int i; \
bctx->free_##name##s = calloc (ALLOC_CHUNK, sizeof (type)); \
for (i = 0; i < ALLOC_CHUNK - 1; i++) \
bctx->free_##name##s[i]._next = &bctx->free_##name##s[i + 1]; \
} \
ele = bctx->free_##name##s; \
bctx->free_##name##s = ele->_next; \
ele->_next = 0; \
*bctx->name##s_tail = ele; \
bctx->name##s_tail = &ele->_next; \
return ele; \
} \
static inline void \
release_##name##s (bspctx_t *bctx) \
{ \
if (bctx->name##s) { \
*bctx->name##s_tail = bctx->free_##name##s; \
bctx->free_##name##s = bctx->name##s; \
bctx->name##s = 0; \
bctx->name##s_tail = &bctx->name##s; \
} \
}
GET_RELEASE (elechain_t, elechain)
GET_RELEASE (elements_t, elements)
GET_RELEASE (instsurf_t, static_instsurf)
GET_RELEASE (instsurf_t, instsurf)
static void
add_texture (texture_t *tx, vulkan_ctx_t *ctx)
{
bspctx_t *bctx = ctx->bsp_context;
vulktex_t *tex = tx->render;
DARRAY_APPEND (&bctx->texture_chains, tex);
tex->tex_chain = 0;
tex->tex_chain_tail = &tex->tex_chain;
tex->elechain = 0;
tex->elechain_tail = &tex->elechain;
}
static void
init_surface_chains (mod_brush_t *brush, vulkan_ctx_t *ctx)
{
bspctx_t *bctx = ctx->bsp_context;
int i;
release_static_instsurfs (bctx);
release_instsurfs (bctx);
for (i = 0; i < brush->nummodelsurfaces; i++) {
brush->surfaces[i].instsurf = get_static_instsurf (bctx);
brush->surfaces[i].instsurf->surface = &brush->surfaces[i];
}
}
static inline void
clear_tex_chain (vulktex_t *tex)
{
tex->tex_chain = 0;
tex->tex_chain_tail = &tex->tex_chain;
tex->elechain = 0;
tex->elechain_tail = &tex->elechain;
}
static void
clear_texture_chains (bspctx_t *bctx)
{
for (size_t i = 0; i < bctx->texture_chains.size; i++) {
if (!bctx->texture_chains.a[i])
continue;
clear_tex_chain (bctx->texture_chains.a[i]);
}
clear_tex_chain (r_notexture_mip->render);
release_elechains (bctx);
release_elementss (bctx);
release_instsurfs (bctx);
}
void
Vulkan_ClearElements (vulkan_ctx_t *ctx)
{
bspctx_t *bctx = ctx->bsp_context;
release_elechains (bctx);
release_elementss (bctx);
}
/*
static void
update_lightmap (mod_brush_t *brush, msurface_t *surf, vulkan_ctx_t *ctx)
{
int maps;
for (maps = 0; maps < MAXLIGHTMAPS && surf->styles[maps] != 255; maps++)
if (d_lightstylevalue[surf->styles[maps]] != surf->cached_light[maps])
goto dynamic;
if ((surf->dlightframe == r_framecount) || surf->cached_dlight) {
dynamic:
if (r_dynamic->int_val)
Vulkan_BuildLightMap (brush, surf, ctx);
}
}
*/
static inline void
chain_surface (mod_brush_t *brush, msurface_t *surf, vec_t *transform,
float *color, vulkan_ctx_t *ctx)
{
bspctx_t *bctx = ctx->bsp_context;
instsurf_t *is;
if (surf->flags & SURF_DRAWSKY) {
CHAIN_SURF_F2B (surf, bctx->sky_chain);
} else if ((surf->flags & SURF_DRAWTURB) || (color && color[3] < 1.0)) {
CHAIN_SURF_B2F (surf, bctx->waterchain);
} else {
texture_t *tx;
vulktex_t *tex;
if (!surf->texinfo->texture->anim_total)
tx = surf->texinfo->texture;
else
tx = R_TextureAnimation (surf);
tex = tx->render;
CHAIN_SURF_F2B (surf, tex->tex_chain);
//update_lightmap (brush, surf, ctx);
}
if (!(is = surf->instsurf))
is = surf->tinst;
is->transform = transform;
is->color = color;
}
static void
register_textures (mod_brush_t *brush, vulkan_ctx_t *ctx)
{
int i;
texture_t *tex;
for (i = 0; i < brush->numtextures; i++) {
tex = brush->textures[i];
if (!tex)
continue;
add_texture (tex, ctx);
}
}
static void
clear_textures (vulkan_ctx_t *ctx)
{
bspctx_t *bctx = ctx->bsp_context;
bctx->texture_chains.size = 0;
}
void
Vulkan_RegisterTextures (model_t **models, int num_models, vulkan_ctx_t *ctx)
{
int i;
model_t *m;
mod_brush_t *brush = &r_worldentity.renderer.model->brush;
clear_textures (ctx);
init_surface_chains (brush, ctx);
add_texture (r_notexture_mip, ctx);
register_textures (brush, ctx);
for (i = 0; i < num_models; i++) {
m = models[i];
if (!m)
continue;
// sub-models are done as part of the main model
if (*m->path == '*')
continue;
// world has already been done, not interested in non-brush models
if (m == r_worldentity.renderer.model || m->type != mod_brush)
continue;
brush = &m->brush;
brush->numsubmodels = 1; // no support for submodels in non-world model
register_textures (brush, ctx);
}
}
static elechain_t *
add_elechain (vulktex_t *tex, int ec_index, bspctx_t *bctx)
{
elechain_t *ec;
ec = get_elechain (bctx);
ec->elements = get_elements (bctx);
ec->index = ec_index;
ec->transform = 0;
ec->color = 0;
*tex->elechain_tail = ec;
tex->elechain_tail = &ec->next;
return ec;
}
static void
count_verts_inds (model_t **models, msurface_t *fa,
uint32_t *verts, uint32_t *inds)
{
*verts = fa->numedges;
*inds = fa->numedges + 1;
}
static bsppoly_t *
build_surf_displist (model_t **models, msurface_t *fa, int base,
bspvert_t **vert_list)
{
int numverts;
int numindices;
int i;
vec_t *vec;
mvertex_t *vertices;
medge_t *edges;
int *surfedges;
int index;
bspvert_t *verts;
bsppoly_t *poly;
uint32_t *ind;
float s, t;
mod_brush_t *brush;
if (fa->ec_index < 0) {
// instance model
brush = &models[~fa->ec_index]->brush;
} else {
// main or sub model
brush = &r_worldentity.renderer.model->brush;
}
vertices = brush->vertexes;
edges = brush->edges;
surfedges = brush->surfedges;
// create a triangle fan
numverts = fa->numedges;
numindices = numverts + 1;
verts = *vert_list;
// surf->polys is set to the next slot before the call
poly = (bsppoly_t *) fa->polys;
poly->count = numindices;
for (i = 0, ind = poly->indices; i < numverts; i++) {
*ind++ = base + i;
}
*ind++ = -1; // end of primitive
fa->polys = (glpoly_t *) poly;
for (i = 0; i < numverts; i++) {
index = surfedges[fa->firstedge + i];
if (index > 0) {
vec = vertices[edges[index].v[0]].position;
} else {
vec = vertices[edges[-index].v[1]].position;
}
s = DotProduct (vec, fa->texinfo->vecs[0]) + fa->texinfo->vecs[0][3];
t = DotProduct (vec, fa->texinfo->vecs[1]) + fa->texinfo->vecs[1][3];
VectorCopy (vec, verts[i].vertex);
verts[i].vertex[3] = 1;
verts[i].tlst[0] = s / fa->texinfo->texture->width;
verts[i].tlst[1] = t / fa->texinfo->texture->height;
//lightmap texture coordinates
if (!fa->lightpic) {
// sky and water textures don't have lightmaps
verts[i].tlst[2] = 0;
verts[i].tlst[3] = 0;
continue;
}
s = DotProduct (vec, fa->texinfo->vecs[0]) + fa->texinfo->vecs[0][3];
t = DotProduct (vec, fa->texinfo->vecs[1]) + fa->texinfo->vecs[1][3];
s -= fa->texturemins[0];
t -= fa->texturemins[1];
s += fa->lightpic->rect->x * 16 + 8;
t += fa->lightpic->rect->y * 16 + 8;
s /= 16;
t /= 16;
verts[i].tlst[2] = s * fa->lightpic->size;
verts[i].tlst[3] = t * fa->lightpic->size;
}
*vert_list += numverts;
return (bsppoly_t *) &poly->indices[numindices];
}
void
Vulkan_BuildDisplayLists (model_t **models, int num_models, vulkan_ctx_t *ctx)
{
qfv_device_t *device = ctx->device;
qfv_devfuncs_t *dfunc = device->funcs;
bspctx_t *bctx = ctx->bsp_context;
int i, j;
int vertex_index_base;
model_t *m;
dmodel_t *dm;
msurface_t *surf;
qfv_stagebuf_t *stage;
bspvert_t *vertices;
bsppoly_t *poly;
mod_brush_t *brush;
QuatSet (0, 0, sqrt(0.5), sqrt(0.5), bctx->sky_fix); // proper skies
QuatSet (0, 0, 0, 1, bctx->sky_rotation[0]);
QuatCopy (bctx->sky_rotation[0], bctx->sky_rotation[1]);
QuatSet (0, 0, 0, 0, bctx->sky_velocity);
QuatExp (bctx->sky_velocity, bctx->sky_velocity);
bctx->sky_time = vr_data.realtime;
// now run through all surfaces, chaining them to their textures, thus
// effectively sorting the surfaces by texture (without worrying about
// surface order on the same texture chain).
for (i = 0; i < num_models; i++) {
m = models[i];
if (!m)
continue;
// sub-models are done as part of the main model
if (*m->path == '*' || m->type != mod_brush)
continue;
brush = &m->brush;
// non-bsp models don't have surfaces.
dm = brush->submodels;
for (j = 0; j < brush->numsurfaces; j++) {
vulktex_t *tex;
if (j == dm->firstface + dm->numfaces) {
dm++;
if (dm - brush->submodels == brush->numsubmodels) {
// limit the surfaces
// probably never hit
Sys_Printf ("R_BuildDisplayLists: too many surfaces\n");
brush->numsurfaces = j;
break;
}
}
surf = brush->surfaces + j;
surf->ec_index = dm - brush->submodels;
if (!surf->ec_index && m != r_worldentity.renderer.model)
surf->ec_index = -1 - i; // instanced model
tex = surf->texinfo->texture->render;
// append surf to the texture chain
CHAIN_SURF_F2B (surf, tex->tex_chain);
}
}
// All vertices from all brush models go into one giant vbo.
uint32_t vertex_count = 0;
uint32_t index_count = 0;
uint32_t poly_count = 0;
for (size_t i = 0; i < bctx->texture_chains.size; i++) {
vulktex_t *tex = bctx->texture_chains.a[i];
for (instsurf_t *is = tex->tex_chain; is; is = is->tex_chain) {
uint32_t verts, inds;
count_verts_inds (models, is->surface, &verts, &inds);
vertex_count += verts;
index_count += inds;
poly_count++;
}
}
size_t atom = device->physDev->properties.limits.nonCoherentAtomSize;
size_t atom_mask = atom - 1;
size_t frames = bctx->frames.size;
size_t index_buffer_size = index_count * frames * sizeof (uint32_t);
size_t vertex_buffer_size = vertex_count * sizeof (bspvert_t);
index_buffer_size = (index_buffer_size + atom_mask) & ~atom_mask;
stage = QFV_CreateStagingBuffer (device, "bsp", vertex_buffer_size,
ctx->cmdpool);
qfv_packet_t *packet = QFV_PacketAcquire (stage);
vertices = QFV_PacketExtend (packet, vertex_buffer_size);
vertex_index_base = 0;
// holds all the polygon definitions (count + indices)
bctx->polys = malloc ((index_count + poly_count) * sizeof (uint32_t));
// All usable surfaces have been chained to the (base) texture they use.
// Run through the textures, using their chains to build display maps.
// For animated textures, if a surface is on one texture of the group, it
// will be on all.
poly = bctx->polys;
int count = 0;
for (size_t i = 0; i < bctx->texture_chains.size; i++) {
vulktex_t *tex;
instsurf_t *is;
elechain_t *ec = 0;
tex = bctx->texture_chains.a[i];
for (is = tex->tex_chain; is; is = is->tex_chain) {
msurface_t *surf = is->surface;
if (!tex->elechain) {
ec = add_elechain (tex, surf->ec_index, bctx);
}
if (surf->ec_index != ec->index) { // next sub-model
ec = add_elechain (tex, surf->ec_index, bctx);
}
surf->polys = (glpoly_t *) poly;
poly = build_surf_displist (models, surf, vertex_index_base,
&vertices);
vertex_index_base += surf->numedges;
count++;
}
}
clear_texture_chains (bctx);
Sys_MaskPrintf (SYS_VULKAN,
"R_BuildDisplayLists: verts:%u, inds:%u, polys:%u (%d) %zd\n",
vertex_count, index_count, poly_count, count,
((size_t) poly - (size_t) bctx->polys)/sizeof(uint32_t));
if (index_buffer_size > bctx->index_buffer_size) {
if (bctx->index_buffer) {
dfunc->vkUnmapMemory (device->dev, bctx->index_memory);
dfunc->vkDestroyBuffer (device->dev, bctx->index_buffer, 0);
dfunc->vkFreeMemory (device->dev, bctx->index_memory, 0);
}
bctx->index_buffer
= QFV_CreateBuffer (device, index_buffer_size,
VK_BUFFER_USAGE_TRANSFER_DST_BIT
| VK_BUFFER_USAGE_INDEX_BUFFER_BIT);
QFV_duSetObjectName (device, VK_OBJECT_TYPE_BUFFER, bctx->index_buffer,
"buffer:bsp:index");
bctx->index_memory
= QFV_AllocBufferMemory (device, bctx->index_buffer,
VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT,
index_buffer_size, 0);
QFV_duSetObjectName (device, VK_OBJECT_TYPE_DEVICE_MEMORY,
bctx->index_memory, "memory:bsp:index");
QFV_BindBufferMemory (device,
bctx->index_buffer, bctx->index_memory, 0);
bctx->index_buffer_size = index_buffer_size;
void *data;
dfunc->vkMapMemory (device->dev, bctx->index_memory, 0,
index_buffer_size, 0, &data);
uint32_t *index_data = data;
for (size_t i = 0; i < frames; i++) {
uint32_t offset = index_count * i;
bctx->frames.a[i].index_data = index_data + offset;
bctx->frames.a[i].index_offset = offset * sizeof (uint32_t);
bctx->frames.a[i].index_count = 0;
}
}
if (vertex_buffer_size > bctx->vertex_buffer_size) {
if (bctx->vertex_buffer) {
dfunc->vkDestroyBuffer (device->dev, bctx->vertex_buffer, 0);
dfunc->vkFreeMemory (device->dev, bctx->vertex_memory, 0);
}
bctx->vertex_buffer
= QFV_CreateBuffer (device, vertex_buffer_size,
VK_BUFFER_USAGE_TRANSFER_DST_BIT
| VK_BUFFER_USAGE_VERTEX_BUFFER_BIT);
QFV_duSetObjectName (device, VK_OBJECT_TYPE_BUFFER,
bctx->vertex_buffer, "buffer:bsp:vertex");
bctx->vertex_memory
= QFV_AllocBufferMemory (device, bctx->vertex_buffer,
VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT,
vertex_buffer_size, 0);
QFV_duSetObjectName (device, VK_OBJECT_TYPE_DEVICE_MEMORY,
bctx->vertex_memory, "memory:bsp:vertex");
QFV_BindBufferMemory (device,
bctx->vertex_buffer, bctx->vertex_memory, 0);
bctx->vertex_buffer_size = vertex_buffer_size;
}
VkBufferMemoryBarrier wr_barrier = {
VK_STRUCTURE_TYPE_BUFFER_MEMORY_BARRIER, 0,
0, VK_ACCESS_TRANSFER_WRITE_BIT,
VK_QUEUE_FAMILY_IGNORED, VK_QUEUE_FAMILY_IGNORED,
bctx->vertex_buffer, 0, vertex_buffer_size,
};
dfunc->vkCmdPipelineBarrier (packet->cmd,
VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT,
VK_PIPELINE_STAGE_TRANSFER_BIT,
0, 0, 0, 1, &wr_barrier, 0, 0);
VkBufferCopy copy_region = { packet->offset, 0, vertex_buffer_size };
dfunc->vkCmdCopyBuffer (packet->cmd, stage->buffer,
bctx->vertex_buffer, 1, &copy_region);
VkBufferMemoryBarrier rd_barrier = {
VK_STRUCTURE_TYPE_BUFFER_MEMORY_BARRIER, 0,
VK_ACCESS_TRANSFER_WRITE_BIT, VK_ACCESS_VERTEX_ATTRIBUTE_READ_BIT,
VK_QUEUE_FAMILY_IGNORED, VK_QUEUE_FAMILY_IGNORED,
bctx->vertex_buffer, 0, vertex_buffer_size,
};
dfunc->vkCmdPipelineBarrier (packet->cmd,
VK_PIPELINE_STAGE_TRANSFER_BIT,
VK_PIPELINE_STAGE_VERTEX_INPUT_BIT,
0, 0, 0, 1, &rd_barrier, 0, 0);
QFV_PacketSubmit (packet);
QFV_DestroyStagingBuffer (stage);
}
static void
R_DrawBrushModel (entity_t *e, vulkan_ctx_t *ctx)
{
float dot, radius;
int i;
unsigned k;
model_t *model;
plane_t *plane;
msurface_t *surf;
qboolean rotated;
vec3_t mins, maxs;
vec4f_t org;
mod_brush_t *brush;
model = e->renderer.model;
brush = &model->brush;
mat4f_t mat;
Transform_GetWorldMatrix (e->transform, mat);
memcpy (e->renderer.full_transform, mat, sizeof (mat));//FIXME
if (mat[0][0] != 1 || mat[1][1] != 1 || mat[2][2] != 1) {
rotated = true;
radius = model->radius;
if (R_CullSphere (&mat[3][0], radius)) { //FIXME
return;
}
} else {
rotated = false;
VectorAdd (mat[3], model->mins, mins);
VectorAdd (mat[3], model->maxs, maxs);
if (R_CullBox (mins, maxs))
return;
}
org = r_refdef.viewposition - mat[3];
if (rotated) {
vec4f_t temp = org;
org[0] = DotProduct (temp, mat[0]);
org[1] = DotProduct (temp, mat[1]);
org[2] = DotProduct (temp, mat[2]);
}
// calculate dynamic lighting for bmodel if it's not an instanced model
if (brush->firstmodelsurface != 0 && r_dlight_lightmap->int_val) {
vec3_t lightorigin;
for (k = 0; k < r_maxdlights; k++) {
if ((r_dlights[k].die < vr_data.realtime)
|| (!r_dlights[k].radius))
continue;
VectorSubtract (r_dlights[k].origin, mat[3], lightorigin);
R_RecursiveMarkLights (brush, lightorigin, &r_dlights[k], k,
brush->nodes + brush->hulls[0].firstclipnode);
}
}
surf = &brush->surfaces[brush->firstmodelsurface];
for (i = 0; i < brush->nummodelsurfaces; i++, surf++) {
// find the node side on which we are
plane = surf->plane;
dot = PlaneDiff (org, plane);
// enqueue the polygon
if (((surf->flags & SURF_PLANEBACK) && (dot < -BACKFACE_EPSILON))
|| (!(surf->flags & SURF_PLANEBACK) && (dot > BACKFACE_EPSILON))) {
chain_surface (brush, surf, e->renderer.full_transform,
e->renderer.colormod, ctx);
}
}
}
static inline void
visit_leaf (mleaf_t *leaf)
{
// deal with model fragments in this leaf
if (leaf->efrags)
R_StoreEfrags (leaf->efrags);
}
static inline int
get_side (mnode_t *node)
{
// find the node side on which we are
plane_t *plane = node->plane;
if (plane->type < 3)
return (r_origin[plane->type] - plane->dist) < 0;
return (DotProduct (r_origin, plane->normal) - plane->dist) < 0;
}
static inline void
visit_node (mod_brush_t *brush, mnode_t *node, int side, vulkan_ctx_t *ctx)
{
int c;
msurface_t *surf;
// sneaky hack for side = side ? SURF_PLANEBACK : 0;
side = (~side + 1) & SURF_PLANEBACK;
// draw stuff
if ((c = node->numsurfaces)) {
surf = brush->surfaces + node->firstsurface;
for (; c; c--, surf++) {
if (surf->visframe != r_visframecount)
continue;
// side is either 0 or SURF_PLANEBACK
if (side ^ (surf->flags & SURF_PLANEBACK))
continue; // wrong side
chain_surface (brush, surf, 0, 0, ctx);
}
}
}
static inline int
test_node (mnode_t *node)
{
if (node->contents < 0)
return 0;
if (node->visframe != r_visframecount)
return 0;
if (R_CullBox (node->minmaxs, node->minmaxs + 3))
return 0;
return 1;
}
static void
R_VisitWorldNodes (mod_brush_t *brush, vulkan_ctx_t *ctx)
{
typedef struct {
mnode_t *node;
int side;
} rstack_t;
rstack_t *node_ptr;
rstack_t *node_stack;
mnode_t *node;
mnode_t *front;
int side;
node = brush->nodes;
// +2 for paranoia
node_stack = alloca ((brush->depth + 2) * sizeof (rstack_t));
node_ptr = node_stack;
while (1) {
while (test_node (node)) {
side = get_side (node);
front = node->children[side];
if (test_node (front)) {
node_ptr->node = node;
node_ptr->side = side;
node_ptr++;
node = front;
continue;
}
if (front->contents < 0 && front->contents != CONTENTS_SOLID)
visit_leaf ((mleaf_t *) front);
visit_node (brush, node, side, ctx);
node = node->children[!side];
}
if (node->contents < 0 && node->contents != CONTENTS_SOLID)
visit_leaf ((mleaf_t *) node);
if (node_ptr != node_stack) {
node_ptr--;
node = node_ptr->node;
side = node_ptr->side;
visit_node (brush, node, side, ctx);
node = node->children[!side];
continue;
}
break;
}
if (node->contents < 0 && node->contents != CONTENTS_SOLID)
visit_leaf ((mleaf_t *) node);
}
static void
bind_view (qfv_bsp_tex tex, VkImageView view, bspframe_t *bframe,
VkCommandBuffer cmd, VkPipelineLayout layout, qfv_devfuncs_t *dfunc)
{
bframe->imageInfo[tex].imageView = view;
dfunc->vkCmdPushDescriptorSetKHR (cmd, VK_PIPELINE_BIND_POINT_GRAPHICS,
layout, 0, 1,
bframe->descriptors + tex
+ BSP_BUFFER_INFOS);
}
static void
push_transform (vec_t *transform, VkPipelineLayout layout,
qfv_devfuncs_t *dfunc, VkCommandBuffer cmd)
{
dfunc->vkCmdPushConstants (cmd, layout, VK_SHADER_STAGE_VERTEX_BIT,
0, 16 * sizeof (float), transform);
}
static void
push_fragconst (fragconst_t *fragconst, VkPipelineLayout layout,
qfv_devfuncs_t *dfunc, VkCommandBuffer cmd)
{
dfunc->vkCmdPushConstants (cmd, layout, VK_SHADER_STAGE_FRAGMENT_BIT,
64, sizeof (fragconst_t), fragconst);//FIXME 64
}
static void
push_descriptors (int count, VkWriteDescriptorSet *descriptors,
VkPipelineLayout layout, qfv_devfuncs_t *dfunc,
VkCommandBuffer cmd)
{
dfunc->vkCmdPushDescriptorSetKHR (cmd, VK_PIPELINE_BIND_POINT_GRAPHICS,
layout, 0, count, descriptors);
}
static void
draw_elechain (elechain_t *ec, VkPipelineLayout layout, qfv_devfuncs_t *dfunc,
VkCommandBuffer cmd)
{
elements_t *el;
if (ec->transform) {
push_transform (ec->transform, layout, dfunc, cmd);
} else {
//FIXME should cache current transform
push_transform (identity, layout, dfunc, cmd);
}
for (el = ec->elements; el; el = el->next) {
if (!el->index_count)
continue;
dfunc->vkCmdDrawIndexed (cmd, el->index_count, 1, el->first_index,
0, 0);
}
}
static void
reset_elechain (elechain_t *ec)
{
elements_t *el;
for (el = ec->elements; el; el = el->next) {
el->first_index = 0;
el->index_count = 0;
}
}
static VkImageView
get_view (qfv_tex_t *tex, qfv_tex_t *default_tex)
{
if (tex) {
return tex->view;
}
if (default_tex) {
return default_tex->view;
}
return 0;
}
static void
bsp_begin_subpass (QFV_BspSubpass subpass, VkPipeline pipeline,
vulkan_ctx_t *ctx)
{
qfv_device_t *device = ctx->device;
qfv_devfuncs_t *dfunc = device->funcs;
bspctx_t *bctx = ctx->bsp_context;
__auto_type cframe = &ctx->frames.a[ctx->curFrame];
bspframe_t *bframe = &bctx->frames.a[ctx->curFrame];
VkCommandBuffer cmd = bframe->cmdSet.a[subpass];
dfunc->vkResetCommandBuffer (cmd, 0);
VkCommandBufferInheritanceInfo inherit = {
VK_STRUCTURE_TYPE_COMMAND_BUFFER_INHERITANCE_INFO, 0,
ctx->renderpass, subpass_map[subpass],
cframe->framebuffer,
0, 0, 0,
};
VkCommandBufferBeginInfo beginInfo = {
VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO, 0,
VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT
| VK_COMMAND_BUFFER_USAGE_RENDER_PASS_CONTINUE_BIT, &inherit,
};
dfunc->vkBeginCommandBuffer (cmd, &beginInfo);
QFV_duCmdBeginLabel (device, cmd, bsp_pass_names[subpass],
{0, 0.5, 0.6, 1});
dfunc->vkCmdBindPipeline (cmd, VK_PIPELINE_BIND_POINT_GRAPHICS,
pipeline);
VkViewport viewport = {0, 0, vid.width, vid.height, 0, 1};
VkRect2D scissor = { {0, 0}, {vid.width, vid.height} };
dfunc->vkCmdSetViewport (cmd, 0, 1, &viewport);
dfunc->vkCmdSetScissor (cmd, 0, 1, &scissor);
VkDeviceSize offsets[] = { 0 };
dfunc->vkCmdBindVertexBuffers (cmd, 0, 1, &bctx->vertex_buffer, offsets);
dfunc->vkCmdBindIndexBuffer (cmd, bctx->index_buffer, bframe->index_offset,
VK_INDEX_TYPE_UINT32);
// push VP matrices
dfunc->vkCmdPushDescriptorSetKHR (cmd, VK_PIPELINE_BIND_POINT_GRAPHICS,
bctx->layout,
0, 1, bframe->descriptors + 0);
// push static images
dfunc->vkCmdPushDescriptorSetKHR (cmd, VK_PIPELINE_BIND_POINT_GRAPHICS,
bctx->layout,
0, 3, bframe->descriptors + 3);
//XXX glsl_Fog_GetColor (fog);
//XXX fog[3] = glsl_Fog_GetDensity () / 64.0;
}
static void
bsp_end_subpass (VkCommandBuffer cmd, vulkan_ctx_t *ctx)
{
qfv_device_t *device = ctx->device;
qfv_devfuncs_t *dfunc = device->funcs;
QFV_duCmdEndLabel (device, cmd);
dfunc->vkEndCommandBuffer (cmd);
}
static void
bsp_begin (vulkan_ctx_t *ctx)
{
bspctx_t *bctx = ctx->bsp_context;
//XXX quat_t fog;
bctx->default_color[3] = 1;
QuatCopy (bctx->default_color, bctx->last_color);
__auto_type cframe = &ctx->frames.a[ctx->curFrame];
bspframe_t *bframe = &bctx->frames.a[ctx->curFrame];
DARRAY_APPEND (&cframe->cmdSets[QFV_passDepth],
bframe->cmdSet.a[QFV_bspDepth]);
DARRAY_APPEND (&cframe->cmdSets[QFV_passGBuffer],
bframe->cmdSet.a[QFV_bspGBuffer]);
//FIXME need per frame matrices
bframe->bufferInfo[0].buffer = ctx->matrices.buffer_3d;
bframe->imageInfo[0].imageView = 0; // set by tex chain loop
bframe->imageInfo[1].imageView = 0; // set by tex chain loop
bframe->imageInfo[2].imageView = QFV_ScrapImageView (bctx->light_scrap);
bframe->imageInfo[3].imageView = get_view (bctx->skysheet_tex,
bctx->default_skysheet);
bframe->imageInfo[4].imageView = get_view (bctx->skybox_tex,
bctx->default_skybox);
bsp_begin_subpass (QFV_bspDepth, bctx->depth, ctx);
bsp_begin_subpass (QFV_bspGBuffer, bctx->gbuf, ctx);
}
static void
bsp_end (vulkan_ctx_t *ctx)
{
bspctx_t *bctx = ctx->bsp_context;
bspframe_t *bframe = &bctx->frames.a[ctx->curFrame];
bsp_end_subpass (bframe->cmdSet.a[QFV_bspDepth], ctx);
bsp_end_subpass (bframe->cmdSet.a[QFV_bspGBuffer], ctx);
}
static void
turb_begin (vulkan_ctx_t *ctx)
{
bspctx_t *bctx = ctx->bsp_context;
bctx->default_color[3] = bound (0, r_wateralpha->value, 1);
QuatCopy (bctx->default_color, bctx->last_color);
__auto_type cframe = &ctx->frames.a[ctx->curFrame];
bspframe_t *bframe = &bctx->frames.a[ctx->curFrame];
DARRAY_APPEND (&cframe->cmdSets[QFV_passTranslucent],
bframe->cmdSet.a[QFV_bspTurb]);
//FIXME need per frame matrices
bframe->bufferInfo[0].buffer = ctx->matrices.buffer_3d;
bframe->imageInfo[0].imageView = ctx->default_magenta->view;
bframe->imageInfo[1].imageView = ctx->default_magenta->view;
bframe->imageInfo[2].imageView = QFV_ScrapImageView (bctx->light_scrap);
bframe->imageInfo[3].imageView = bctx->default_skysheet->view;
bframe->imageInfo[4].imageView = bctx->default_skybox->view;
bsp_begin_subpass (QFV_bspTurb, bctx->turb, ctx);
}
static void
turb_end (vulkan_ctx_t *ctx)
{
bspctx_t *bctx = ctx->bsp_context;
bspframe_t *bframe = &bctx->frames.a[ctx->curFrame];
bsp_end_subpass (bframe->cmdSet.a[QFV_bspTurb], ctx);
}
static void
spin (mat4_t mat, bspctx_t *bctx)
{
quat_t q;
mat4_t m;
float blend;
while (vr_data.realtime - bctx->sky_time > 1) {
QuatCopy (bctx->sky_rotation[1], bctx->sky_rotation[0]);
QuatMult (bctx->sky_velocity, bctx->sky_rotation[0],
bctx->sky_rotation[1]);
bctx->sky_time += 1;
}
blend = bound (0, (vr_data.realtime - bctx->sky_time), 1);
QuatBlend (bctx->sky_rotation[0], bctx->sky_rotation[1], blend, q);
QuatMult (bctx->sky_fix, q, q);
Mat4Identity (mat);
VectorNegate (r_origin, mat + 12);
QuatToMatrix (q, m, 1, 1);
Mat4Mult (m, mat, mat);
}
static void
sky_begin (vulkan_ctx_t *ctx)
{
bspctx_t *bctx = ctx->bsp_context;
bctx->default_color[3] = 1;
QuatCopy (bctx->default_color, bctx->last_color);
spin (ctx->matrices.sky_3d, bctx);
__auto_type cframe = &ctx->frames.a[ctx->curFrame];
bspframe_t *bframe = &bctx->frames.a[ctx->curFrame];
DARRAY_APPEND (&cframe->cmdSets[QFV_passTranslucent],
bframe->cmdSet.a[QFV_bspSky]);
//FIXME need per frame matrices
bframe->bufferInfo[0].buffer = ctx->matrices.buffer_3d;
bframe->imageInfo[0].imageView = ctx->default_magenta->view;
bframe->imageInfo[1].imageView = ctx->default_magenta->view;
bframe->imageInfo[2].imageView = QFV_ScrapImageView (bctx->light_scrap);
bframe->imageInfo[3].imageView = get_view (bctx->skysheet_tex,
bctx->default_skysheet);
bframe->imageInfo[4].imageView = get_view (bctx->skybox_tex,
bctx->default_skybox);
bsp_begin_subpass (QFV_bspSky, bctx->sky, ctx);
}
static void
sky_end (vulkan_ctx_t *ctx)
{
bspctx_t *bctx = ctx->bsp_context;
bspframe_t *bframe = &bctx->frames.a[ctx->curFrame];
bsp_end_subpass (bframe->cmdSet.a[QFV_bspSky], ctx);
}
static inline void
add_surf_elements (vulktex_t *tex, instsurf_t *is,
elechain_t **ec, elements_t **el,
bspctx_t *bctx, bspframe_t *bframe)
{
msurface_t *surf = is->surface;
bsppoly_t *poly = (bsppoly_t *) surf->polys;
if (!tex->elechain) {
(*ec) = add_elechain (tex, surf->ec_index, bctx);
(*ec)->transform = is->transform;
(*ec)->color = is->color;
(*el) = (*ec)->elements;
(*el)->first_index = bframe->index_count;
}
if (is->transform != (*ec)->transform || is->color != (*ec)->color) {
(*ec) = add_elechain (tex, surf->ec_index, bctx);
(*ec)->transform = is->transform;
(*ec)->color = is->color;
(*el) = (*ec)->elements;
(*el)->first_index = bframe->index_count;
}
memcpy (bframe->index_data + bframe->index_count,
poly->indices, poly->count * sizeof (poly->indices[0]));
(*el)->index_count += poly->count;
bframe->index_count += poly->count;
}
static void
build_tex_elechain (vulktex_t *tex, bspctx_t *bctx, bspframe_t *bframe)
{
instsurf_t *is;
elechain_t *ec = 0;
elements_t *el = 0;
for (is = tex->tex_chain; is; is = is->tex_chain) {
add_surf_elements (tex, is, &ec, &el, bctx, bframe);
}
}
void
Vulkan_DrawWorld (vulkan_ctx_t *ctx)
{
qfv_device_t *device = ctx->device;
qfv_devfuncs_t *dfunc = device->funcs;
bspctx_t *bctx = ctx->bsp_context;
bspframe_t *bframe = &bctx->frames.a[ctx->curFrame];
entity_t worldent;
mod_brush_t *brush;
clear_texture_chains (bctx); // do this first for water and skys
bframe->index_count = 0;
memset (&worldent, 0, sizeof (worldent));
worldent.renderer.model = r_worldentity.renderer.model;
brush = &r_worldentity.renderer.model->brush;
//vulktex_t *tex = r_worldentity.renderer.model->skytexture->render;
//bctx->skysheet_tex = tex->tex;
currententity = &worldent;
R_VisitWorldNodes (brush, ctx);
if (r_drawentities->int_val) {
entity_t *ent;
for (ent = r_ent_queue; ent; ent = ent->next) {
if (ent->renderer.model->type != mod_brush)
continue;
currententity = ent;
R_DrawBrushModel (ent, ctx);
}
}
//Vulkan_FlushLightmaps (ctx);
bsp_begin (ctx);
push_transform (identity, bctx->layout, dfunc,
bframe->cmdSet.a[QFV_bspDepth]);
push_transform (identity, bctx->layout, dfunc,
bframe->cmdSet.a[QFV_bspGBuffer]);
fragconst_t frag_constants = { time: vr_data.realtime };
push_fragconst (&frag_constants, bctx->layout, dfunc,
bframe->cmdSet.a[QFV_bspGBuffer]);
//XXX qfeglActiveTexture (GL_TEXTURE0 + 0);
for (size_t i = 0; i < bctx->texture_chains.size; i++) {
vulktex_t *tex;
elechain_t *ec = 0;
tex = bctx->texture_chains.a[i];
build_tex_elechain (tex, bctx, bframe);
bframe->imageInfo[0].imageView = get_view (tex->tex,
ctx->default_white);
bframe->imageInfo[1].imageView = get_view (tex->glow,
ctx->default_black);
push_descriptors (2, bframe->descriptors + 1, bctx->layout, dfunc,
bframe->cmdSet.a[QFV_bspGBuffer]);
for (ec = tex->elechain; ec; ec = ec->next) {
draw_elechain (ec, bctx->layout, dfunc,
bframe->cmdSet.a[QFV_bspDepth]);
draw_elechain (ec, bctx->layout, dfunc,
bframe->cmdSet.a[QFV_bspGBuffer]);
reset_elechain (ec);
}
tex->elechain = 0;
tex->elechain_tail = &tex->elechain;
}
bsp_end (ctx);
size_t atom = device->physDev->properties.limits.nonCoherentAtomSize;
size_t atom_mask = atom - 1;
size_t offset = bframe->index_offset;
size_t size = bframe->index_count * sizeof (uint32_t);
offset &= ~atom_mask;
size = (size + atom_mask) & ~atom_mask;
//FIXME this needs to come at the end of the frame after all passes
VkMappedMemoryRange range = {
VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE, 0,
bctx->index_memory, offset, size
};
dfunc->vkFlushMappedMemoryRanges (device->dev, 1, &range);
}
void
Vulkan_DrawWaterSurfaces (vulkan_ctx_t *ctx)
{
qfv_device_t *device = ctx->device;
qfv_devfuncs_t *dfunc = device->funcs;
bspctx_t *bctx = ctx->bsp_context;
bspframe_t *bframe = &bctx->frames.a[ctx->curFrame];
instsurf_t *is;
msurface_t *surf;
vulktex_t *tex = 0;
elechain_t *ec = 0;
elements_t *el = 0;
if (!bctx->waterchain)
return;
turb_begin (ctx);
push_transform (identity, bctx->layout, dfunc,
bframe->cmdSet.a[QFV_bspTurb]);
fragconst_t frag_constants = { time: vr_data.realtime };
push_fragconst (&frag_constants, bctx->layout, dfunc,
bframe->cmdSet.a[QFV_bspTurb]);
for (is = bctx->waterchain; is; is = is->tex_chain) {
surf = is->surface;
if (tex != surf->texinfo->texture->render) {
if (tex) {
bind_view (qfv_bsp_texture,
get_view (tex->tex, ctx->default_black),
bframe,
bframe->cmdSet.a[QFV_bspTurb],
bctx->layout, dfunc);
for (ec = tex->elechain; ec; ec = ec->next) {
draw_elechain (ec, bctx->layout, dfunc,
bframe->cmdSet.a[QFV_bspTurb]);
reset_elechain (ec);
}
tex->elechain = 0;
tex->elechain_tail = &tex->elechain;
}
tex = surf->texinfo->texture->render;
}
add_surf_elements (tex, is, &ec, &el, bctx, bframe);
}
if (tex) {
bind_view (qfv_bsp_texture, get_view (tex->tex, ctx->default_black),
bframe, bframe->cmdSet.a[QFV_bspTurb],
bctx->layout, dfunc);
for (ec = tex->elechain; ec; ec = ec->next) {
draw_elechain (ec, bctx->layout, dfunc,
bframe->cmdSet.a[QFV_bspTurb]);
reset_elechain (ec);
}
tex->elechain = 0;
tex->elechain_tail = &tex->elechain;
}
turb_end (ctx);
bctx->waterchain = 0;
bctx->waterchain_tail = &bctx->waterchain;
}
void
Vulkan_DrawSky (vulkan_ctx_t *ctx)
{
qfv_device_t *device = ctx->device;
qfv_devfuncs_t *dfunc = device->funcs;
bspctx_t *bctx = ctx->bsp_context;
bspframe_t *bframe = &bctx->frames.a[ctx->curFrame];
instsurf_t *is;
msurface_t *surf;
vulktex_t *tex = 0;
elechain_t *ec = 0;
elements_t *el = 0;
if (!bctx->sky_chain)
return;
sky_begin (ctx);
push_transform (identity, bctx->layout, dfunc,
bframe->cmdSet.a[QFV_bspSky]);
fragconst_t frag_constants = { time: vr_data.realtime };
push_fragconst (&frag_constants, bctx->layout, dfunc,
bframe->cmdSet.a[QFV_bspSky]);
for (is = bctx->sky_chain; is; is = is->tex_chain) {
surf = is->surface;
if (tex != surf->texinfo->texture->render) {
if (tex) {
bind_view (qfv_bsp_skysheet,
get_view (tex->tex, ctx->default_black),
bframe,
bframe->cmdSet.a[QFV_bspSky],
bctx->layout, dfunc);
for (ec = tex->elechain; ec; ec = ec->next) {
draw_elechain (ec, bctx->layout, dfunc,
bframe->cmdSet.a[QFV_bspSky]);
reset_elechain (ec);
}
tex->elechain = 0;
tex->elechain_tail = &tex->elechain;
}
tex = surf->texinfo->texture->render;
}
add_surf_elements (tex, is, &ec, &el, bctx, bframe);
}
if (tex) {
bind_view (qfv_bsp_skysheet, get_view (tex->tex, ctx->default_black),
bframe, bframe->cmdSet.a[QFV_bspSky],
bctx->layout, dfunc);
for (ec = tex->elechain; ec; ec = ec->next) {
draw_elechain (ec, bctx->layout, dfunc,
bframe->cmdSet.a[QFV_bspSky]);
reset_elechain (ec);
}
tex->elechain = 0;
tex->elechain_tail = &tex->elechain;
}
sky_end (ctx);
bctx->sky_chain = 0;
bctx->sky_chain_tail = &bctx->sky_chain;
}
static void
create_default_skys (vulkan_ctx_t *ctx)
{
qfv_device_t *device = ctx->device;
qfv_devfuncs_t *dfunc = device->funcs;
bspctx_t *bctx = ctx->bsp_context;
VkImage skybox;
VkImage skysheet;
VkDeviceMemory memory;
VkImageView boxview;
VkImageView sheetview;
bctx->default_skybox = calloc (2, sizeof (qfv_tex_t));
bctx->default_skysheet = bctx->default_skybox + 1;
VkExtent3D extents = { 1, 1, 1 };
skybox = QFV_CreateImage (device, 1, VK_IMAGE_TYPE_2D,
VK_FORMAT_B8G8R8A8_UNORM, extents, 1, 1,
VK_SAMPLE_COUNT_1_BIT,
VK_IMAGE_USAGE_SAMPLED_BIT
| VK_IMAGE_USAGE_TRANSFER_DST_BIT);
QFV_duSetObjectName (device, VK_OBJECT_TYPE_IMAGE, skybox,
"bsp:image:default_skybox");
skysheet = QFV_CreateImage (device, 0, VK_IMAGE_TYPE_2D,
VK_FORMAT_B8G8R8A8_UNORM, extents, 1, 2,
VK_SAMPLE_COUNT_1_BIT,
VK_IMAGE_USAGE_SAMPLED_BIT
| VK_IMAGE_USAGE_TRANSFER_DST_BIT);
QFV_duSetObjectName (device, VK_OBJECT_TYPE_IMAGE, skysheet,
"bsp:image:default_skysheet");
VkMemoryRequirements requirements;
dfunc->vkGetImageMemoryRequirements (device->dev, skybox, &requirements);
size_t boxsize = requirements.size;
dfunc->vkGetImageMemoryRequirements (device->dev, skysheet, &requirements);
size_t sheetsize = requirements.size;
memory = QFV_AllocImageMemory (device, skybox,
VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT,
boxsize + sheetsize,
VK_IMAGE_USAGE_TRANSFER_DST_BIT
| VK_IMAGE_USAGE_SAMPLED_BIT);
QFV_duSetObjectName (device, VK_OBJECT_TYPE_DEVICE_MEMORY, memory,
"bsp:memory:default_skys");
QFV_BindImageMemory (device, skybox, memory, 0);
QFV_BindImageMemory (device, skysheet, memory, boxsize);
boxview = QFV_CreateImageView (device, skybox, VK_IMAGE_VIEW_TYPE_CUBE,
VK_FORMAT_B8G8R8A8_UNORM,
VK_IMAGE_ASPECT_COLOR_BIT);
QFV_duSetObjectName (device, VK_OBJECT_TYPE_IMAGE_VIEW, boxview,
"bsp:iview:default_skysheet");
sheetview = QFV_CreateImageView (device, skysheet,
VK_IMAGE_VIEW_TYPE_2D_ARRAY,
VK_FORMAT_B8G8R8A8_UNORM,
VK_IMAGE_ASPECT_COLOR_BIT);
QFV_duSetObjectName (device, VK_OBJECT_TYPE_IMAGE_VIEW, sheetview,
"bsp:iview:default_skysheet");
bctx->default_skybox->image = skybox;
bctx->default_skybox->view = boxview;
bctx->default_skybox->memory = memory;
bctx->default_skysheet->image = skysheet;
bctx->default_skysheet->view = sheetview;
// temporarily commandeer the light map's staging buffer
qfv_packet_t *packet = QFV_PacketAcquire (bctx->light_stage);
VkImageMemoryBarrier barrier;
VkImageMemoryBarrier barriers[2];
qfv_pipelinestagepair_t stages;
stages = imageLayoutTransitionStages[qfv_LT_Undefined_to_TransferDst];
barrier = imageLayoutTransitionBarriers[qfv_LT_Undefined_to_TransferDst];
barrier.subresourceRange.levelCount = VK_REMAINING_MIP_LEVELS;
barrier.subresourceRange.layerCount = VK_REMAINING_ARRAY_LAYERS;
barriers[0] = barrier;
barriers[1] = barrier;
barriers[0].image = skybox;
barriers[1].image = skysheet;
dfunc->vkCmdPipelineBarrier (packet->cmd, stages.src, stages.dst,
0, 0, 0, 0, 0,
2, barriers);
VkClearColorValue color = {};
VkImageSubresourceRange range = {
VK_IMAGE_ASPECT_COLOR_BIT,
0, VK_REMAINING_MIP_LEVELS,
0, VK_REMAINING_ARRAY_LAYERS
};
dfunc->vkCmdClearColorImage (packet->cmd, skybox,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
&color, 1, &range);
dfunc->vkCmdClearColorImage (packet->cmd, skysheet,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
&color, 1, &range);
stages = imageLayoutTransitionStages[qfv_LT_TransferDst_to_ShaderReadOnly];
barrier=imageLayoutTransitionBarriers[qfv_LT_TransferDst_to_ShaderReadOnly];
barrier.subresourceRange.levelCount = VK_REMAINING_MIP_LEVELS;
barrier.subresourceRange.layerCount = VK_REMAINING_ARRAY_LAYERS;
barriers[0] = barrier;
barriers[1] = barrier;
barriers[0].image = skybox;
barriers[1].image = skysheet;
dfunc->vkCmdPipelineBarrier (packet->cmd, stages.src, stages.dst,
0, 0, 0, 0, 0,
2, barriers);
QFV_PacketSubmit (packet);
}
static VkDescriptorBufferInfo base_buffer_info = {
0, 0, VK_WHOLE_SIZE
};
static VkDescriptorImageInfo base_image_info = {
0, 0, VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL
};
static VkWriteDescriptorSet base_buffer_write = {
VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET, 0, 0,
0, 0, 1,
VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
0, 0, 0
};
static VkWriteDescriptorSet base_image_write = {
VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET, 0, 0,
0, 0, 1,
VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
0, 0, 0
};
void
Vulkan_Bsp_Init (vulkan_ctx_t *ctx)
{
qfv_device_t *device = ctx->device;
bspctx_t *bctx = calloc (1, sizeof (bspctx_t));
ctx->bsp_context = bctx;
bctx->waterchain_tail = &bctx->waterchain;
bctx->sky_chain_tail = &bctx->sky_chain;
bctx->static_instsurfs_tail = &bctx->static_instsurfs;
bctx->elechains_tail = &bctx->elechains;
bctx->elementss_tail = &bctx->elementss;
bctx->instsurfs_tail = &bctx->instsurfs;
bctx->light_scrap = QFV_CreateScrap (device, "lightmap_atlas", 2048,
tex_frgba, ctx->staging);
size_t size = QFV_ScrapSize (bctx->light_scrap);
bctx->light_stage = QFV_CreateStagingBuffer (device, "lightmap", size,
ctx->cmdpool);
create_default_skys (ctx);
DARRAY_INIT (&bctx->texture_chains, 64);
size_t frames = ctx->frames.size;
DARRAY_INIT (&bctx->frames, frames);
DARRAY_RESIZE (&bctx->frames, frames);
bctx->frames.grow = 0;
bctx->depth = Vulkan_CreatePipeline (ctx, "bsp_depth");
bctx->gbuf = Vulkan_CreatePipeline (ctx, "bsp_gbuf");
bctx->sky = Vulkan_CreatePipeline (ctx, "bsp_skysheet");
bctx->turb = Vulkan_CreatePipeline (ctx, "bsp_turb");
bctx->layout = Vulkan_CreatePipelineLayout (ctx, "quakebsp_layout");
bctx->sampler = Vulkan_CreateSampler (ctx, "quakebsp_sampler");
for (size_t i = 0; i < frames; i++) {
__auto_type bframe = &bctx->frames.a[i];
DARRAY_INIT (&bframe->cmdSet, QFV_bspNumPasses);
DARRAY_RESIZE (&bframe->cmdSet, QFV_bspNumPasses);
bframe->cmdSet.grow = 0;
QFV_AllocateCommandBuffers (device, ctx->cmdpool, 1, &bframe->cmdSet);
for (int j = 0; j < QFV_bspNumPasses; j++) {
QFV_duSetObjectName (device, VK_OBJECT_TYPE_COMMAND_BUFFER,
bframe->cmdSet.a[i],
va (ctx->va_ctx, "cmd:bsp:%zd:%s", i,
bsp_pass_names[j]));
}
for (int j = 0; j < BSP_BUFFER_INFOS; j++) {
bframe->bufferInfo[j] = base_buffer_info;
bframe->descriptors[j] = base_buffer_write;
bframe->descriptors[j].dstBinding = j;
bframe->descriptors[j].pBufferInfo = &bframe->bufferInfo[j];
}
for (int j = 0; j < BSP_IMAGE_INFOS; j++) {
bframe->imageInfo[j] = base_image_info;
bframe->imageInfo[j].sampler = bctx->sampler;
int k = j + BSP_BUFFER_INFOS;
bframe->descriptors[k] = base_image_write;
bframe->descriptors[k].dstBinding = k;
bframe->descriptors[k].pImageInfo = &bframe->imageInfo[j];
}
}
}
void
Vulkan_Bsp_Shutdown (struct vulkan_ctx_s *ctx)
{
qfv_device_t *device = ctx->device;
qfv_devfuncs_t *dfunc = device->funcs;
bspctx_t *bctx = ctx->bsp_context;
for (size_t i = 0; i < bctx->frames.size; i++) {
__auto_type bframe = &bctx->frames.a[i];
free (bframe->cmdSet.a);
}
dfunc->vkDestroyPipeline (device->dev, bctx->depth, 0);
dfunc->vkDestroyPipeline (device->dev, bctx->gbuf, 0);
dfunc->vkDestroyPipeline (device->dev, bctx->sky, 0);
dfunc->vkDestroyPipeline (device->dev, bctx->turb, 0);
DARRAY_CLEAR (&bctx->texture_chains);
DARRAY_CLEAR (&bctx->frames);
QFV_DestroyStagingBuffer (bctx->light_stage);
QFV_DestroyScrap (bctx->light_scrap);
if (bctx->vertex_buffer) {
dfunc->vkDestroyBuffer (device->dev, bctx->vertex_buffer, 0);
dfunc->vkFreeMemory (device->dev, bctx->vertex_memory, 0);
}
if (bctx->index_buffer) {
dfunc->vkDestroyBuffer (device->dev, bctx->index_buffer, 0);
dfunc->vkFreeMemory (device->dev, bctx->index_memory, 0);
}
dfunc->vkDestroyImageView (device->dev, bctx->default_skysheet->view, 0);
dfunc->vkDestroyImage (device->dev, bctx->default_skysheet->image, 0);
dfunc->vkDestroyImageView (device->dev, bctx->default_skybox->view, 0);
dfunc->vkDestroyImage (device->dev, bctx->default_skybox->image, 0);
dfunc->vkFreeMemory (device->dev, bctx->default_skybox->memory, 0);
free (bctx->default_skybox);
}
static inline __attribute__((const)) int
is_pow2 (unsigned x)
{
int count;
for (count = 0; x; x >>= 1)
if (x & 1)
count++;
return count == 1;
}
// NOTE: this expects the destination tex_t to be set up: memory allocated
// and dimentions/format etc already set. the size of the rect to be copied
// is taken from dst. Also, dst->format and src->format must be the same, and
// either 3 or 4, or bad things will happen. Also, no clipping is done, so if
// x < 0 or y < 0 or x + dst->width > src->width
// or y + dst->height > src->height, bad things will happen.
/*XXX static void
copy_sub_tex (tex_t *src, int x, int y, tex_t *dst)
{
int dstbytes;
int srcbytes;
int i;
srcbytes = src->width * src->format;
dstbytes = dst->width * dst->format;
x *= src->format;
for (i = 0; i < dst->height; i++)
memcpy (dst->data + i * dstbytes, src->data + (i + y) * srcbytes + x,
dstbytes);
}*/
/*XXX void
Vulkan_R_LoadSkys (const char *sky, vulkan_ctx_t *ctx)
{
const char *name;
int i;
tex_t *tex;
// NOTE: quake's world and GL's world are rotated relative to each other
// quake has x right, y in, z up. gl has x right, y up, z out
// quake order: +x -x +z -z +y -y
// gl order: +x -x +y -y +z -z
// fizquake orger: -y +y +z -z +x -x
// to get from quake order to fitzquake order, all that's needed is
// a -90 degree rotation on the (quake) z-axis. This is taken care of in
// the sky_matrix setup code.
// However, from the player's perspective, skymaps have lf and rt
// swapped, but everythink makes sense if looking at the cube from outside
// along the positive y axis, with the front of the cube being the nearest
// face. This matches nicely with Blender's default cube in front (num-1)
// view.
static const char *sky_suffix[] = { "ft", "bk", "up", "dn", "rt", "lf"};
static int sky_coords[][2] = {
{2, 0}, // front
{0, 0}, // back
{1, 1}, // up
{0, 1}, // down
{2, 1}, // left
{1, 0}, // right
};
if (!sky || !*sky)
sky = r_skyname->string;
if (!*sky || !strcasecmp (sky, "none")) {
skybox_loaded = false;
return;
}
if (!skybox_tex)
qfeglGenTextures (1, &skybox_tex);
qfeglBindTexture (GL_TEXTURE_CUBE_MAP, skybox_tex);
//blender envmap
// bk rt ft
// dn up lt
tex = LoadImage (name = va ("env/%s_map", sky));
if (tex && tex->format >= 3 && tex->height * 3 == tex->width * 2
&& is_pow2 (tex->height)) {
tex_t *sub;
int size = tex->height / 2;
skybox_loaded = true;
sub = malloc (field_offset (tex_t, data[size * size * tex->format]));
sub->width = size;
sub->height = size;
sub->format = tex->format;
sub->palette = tex->palette;
for (i = 0; i < 6; i++) {
int x, y;
x = sky_coords[i][0] * size;
y = sky_coords[i][1] * size;
copy_sub_tex (tex, x, y, sub);
qfeglTexImage2D (GL_TEXTURE_CUBE_MAP_POSITIVE_X + i, 0,
sub->format == 3 ? GL_RGB : GL_RGBA,
sub->width, sub->height, 0,
sub->format == 3 ? GL_RGB : GL_RGBA,
GL_UNSIGNED_BYTE, sub->data);
}
free (sub);
} else {
skybox_loaded = true;
for (i = 0; i < 6; i++) {
tex = LoadImage (name = va ("env/%s%s", sky, sky_suffix[i]));
if (!tex || tex->format < 3) { // FIXME pcx support
Sys_MaskPrintf (SYS_GLSL, "Couldn't load %s\n", name);
// also look in gfx/env, where Darkplaces looks for skies
tex = LoadImage (name = va ("gfx/env/%s%s", sky,
sky_suffix[i]));
if (!tex || tex->format < 3) { // FIXME pcx support
Sys_MaskPrintf (SYS_GLSL, "Couldn't load %s\n", name);
skybox_loaded = false;
continue;
}
}
Sys_MaskPrintf (SYS_GLSL, "Loaded %s\n", name);
qfeglTexImage2D (GL_TEXTURE_CUBE_MAP_POSITIVE_X + i, 0,
tex->format == 3 ? GL_RGB : GL_RGBA,
tex->width, tex->height, 0,
tex->format == 3 ? GL_RGB : GL_RGBA,
GL_UNSIGNED_BYTE, tex->data);
}
}
qfeglTexParameteri (GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_S,
GL_CLAMP_TO_EDGE);
qfeglTexParameteri (GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_T,
GL_CLAMP_TO_EDGE);
qfeglTexParameteri (GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
qfeglTexParameteri (GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
qfeglGenerateMipmap (GL_TEXTURE_CUBE_MAP);
}*/
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