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xash3d-fwgs/ref/vk/vk_ray_model.c

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#include "vk_ray_internal.h"
#include "vk_rtx.h"
#include "vk_textures.h"
#include "vk_materials.h"
#include "vk_geometry.h"
#include "vk_render.h"
#include "vk_staging.h"
#include "vk_light.h"
#include "vk_math.h"
#include "vk_combuf.h"
#include "eiface.h"
#include "xash3d_mathlib.h"
#include <string.h>
xvk_ray_model_state_t g_ray_model_state;
static void returnModelToCache(vk_ray_model_t *model) {
ASSERT(model->taken);
model->taken = false;
}
static vk_ray_model_t *getModelFromCache(int num_geoms, int max_prims, const VkAccelerationStructureGeometryKHR *geoms) { //}, int size) {
vk_ray_model_t *model = NULL;
int i;
for (i = 0; i < ARRAYSIZE(g_ray_model_state.models_cache); ++i)
{
int j;
model = g_ray_model_state.models_cache + i;
if (model->taken)
continue;
if (!model->as)
break;
if (model->num_geoms != num_geoms)
continue;
if (model->max_prims != max_prims)
continue;
for (j = 0; j < num_geoms; ++j) {
if (model->geoms[j].geometryType != geoms[j].geometryType)
break;
if (model->geoms[j].flags != geoms[j].flags)
break;
if (geoms[j].geometryType == VK_GEOMETRY_TYPE_TRIANGLES_KHR) {
// TODO what else should we compare?
if (model->geoms[j].geometry.triangles.maxVertex != geoms[j].geometry.triangles.maxVertex)
break;
ASSERT(model->geoms[j].geometry.triangles.vertexStride == geoms[j].geometry.triangles.vertexStride);
ASSERT(model->geoms[j].geometry.triangles.vertexFormat == geoms[j].geometry.triangles.vertexFormat);
ASSERT(model->geoms[j].geometry.triangles.indexType == geoms[j].geometry.triangles.indexType);
} else {
PRINT_NOT_IMPLEMENTED_ARGS("Non-tri geometries are not implemented");
break;
}
}
if (j == num_geoms)
break;
}
if (i == ARRAYSIZE(g_ray_model_state.models_cache))
return NULL;
// if (model->size > 0)
// ASSERT(model->size >= size);
if (!model->geoms) {
const size_t size = sizeof(*geoms) * num_geoms;
model->geoms = Mem_Malloc(vk_core.pool, size);
memcpy(model->geoms, geoms, size);
model->num_geoms = num_geoms;
model->max_prims = max_prims;
}
model->taken = true;
return model;
}
static void assertNoOverlap( uint32_t o1, uint32_t s1, uint32_t o2, uint32_t s2 ) {
uint32_t min_offset, min_size;
uint32_t max_offset;
if (o1 < o2) {
min_offset = o1;
min_size = s1;
max_offset = o2;
} else {
min_offset = o2;
min_size = s2;
max_offset = o1;
}
ASSERT(min_offset + min_size <= max_offset);
}
static void validateModelPair( const vk_ray_model_t *m1, const vk_ray_model_t *m2 ) {
if (m1 == m2) return;
if (!m2->num_geoms) return;
assertNoOverlap(m1->debug.as_offset, m1->size, m2->debug.as_offset, m2->size);
if (m1->taken && m2->taken)
assertNoOverlap(m1->kusochki_offset, m1->num_geoms, m2->kusochki_offset, m2->num_geoms);
}
static void validateModel( const vk_ray_model_t *model ) {
for (int j = 0; j < ARRAYSIZE(g_ray_model_state.models_cache); ++j) {
validateModelPair(model, g_ray_model_state.models_cache + j);
}
}
static void validateModels( void ) {
for (int i = 0; i < ARRAYSIZE(g_ray_model_state.models_cache); ++i) {
validateModel(g_ray_model_state.models_cache + i);
}
}
void XVK_RayModel_Validate( void ) {
const vk_kusok_data_t* kusochki = g_ray_model_state.kusochki_buffer.mapped;
ASSERT(g_ray_model_state.frame.num_models <= ARRAYSIZE(g_ray_model_state.frame.models));
for (int i = 0; i < g_ray_model_state.frame.num_models; ++i) {
const vk_ray_draw_model_t *draw_model = g_ray_model_state.frame.models + i;
const vk_ray_model_t *model = draw_model->model;
int num_geoms = 1; // TODO can't validate non-dynamic models because this info is lost
ASSERT(model);
ASSERT(model->as != VK_NULL_HANDLE);
ASSERT(model->kusochki_offset < MAX_KUSOCHKI);
ASSERT(model->geoms);
ASSERT(model->num_geoms > 0);
ASSERT(model->taken);
num_geoms = model->num_geoms;
for (int j = 0; j < num_geoms; j++) {
const vk_kusok_data_t *kusok = kusochki + j;
const vk_texture_t *tex = findTexture(kusok->material.tex_base_color);
ASSERT(tex);
ASSERT(tex->vk.image.view != VK_NULL_HANDLE);
// uint32_t index_offset;
// uint32_t vertex_offset;
// uint32_t triangles;
}
// Check for as model memory aliasing
for (int j = 0; j < g_ray_model_state.frame.num_models; ++j) {
const vk_ray_model_t *model2 = g_ray_model_state.frame.models[j].model;
validateModelPair(model, model2);
}
}
}
static void applyMaterialToKusok(vk_kusok_data_t* kusok, const vk_render_geometry_t *geom) {
const xvk_material_t *const mat = XVK_GetMaterialForTextureIndex( geom->texture );
ASSERT(mat);
// TODO split kusochki into static geometry data and potentially dynamic material data
// This data is static, should never change
kusok->vertex_offset = geom->vertex_offset;
kusok->index_offset = geom->index_offset;
kusok->triangles = geom->element_count / 3;
// Material data itself is mostly static. Except for animated textures, which just get a new material slot for each frame.
kusok->material = (struct Material){
.tex_base_color = mat->tex_base_color,
.tex_roughness = mat->tex_roughness,
.tex_metalness = mat->tex_metalness,
.tex_normalmap = mat->tex_normalmap,
.roughness = mat->roughness,
.metalness = mat->metalness,
.normal_scale = mat->normal_scale,
};
// TODO emissive is potentially "dynamic", not tied to the material directly, as it is specified per-surface in rad files
VectorCopy(geom->emissive, kusok->emissive);
Vector4Copy(mat->base_color, kusok->material.base_color);
// TODO should be patched by the Chrome material source itself to generate a static chrome material
const qboolean HACK_chrome = geom->material == kXVkMaterialChrome;
if (!mat->set && HACK_chrome)
kusok->material.tex_roughness = tglob.grayTexture;
// Purely static. Once a sky forever a sky.
if (geom->material == kXVkMaterialSky)
kusok->material.tex_base_color = TEX_BASE_SKYBOX;
}
vk_ray_model_t* VK_RayModelCreate( vk_ray_model_init_t args ) {
VkAccelerationStructureGeometryKHR *geoms;
uint32_t *geom_max_prim_counts;
VkAccelerationStructureBuildRangeInfoKHR *geom_build_ranges;
const VkDeviceAddress buffer_addr = R_VkBufferGetDeviceAddress(args.buffer); // TODO pass in args/have in buffer itself
const uint32_t kusochki_count_offset = R_DEBuffer_Alloc(&g_ray_model_state.kusochki_alloc, args.model->dynamic ? LifetimeDynamic : LifetimeStatic, args.model->num_geometries, 1);
vk_ray_model_t *ray_model;
int max_prims = 0;
ASSERT(vk_core.rtx);
if (kusochki_count_offset == ALO_ALLOC_FAILED) {
gEngine.Con_Printf(S_ERROR "Maximum number of kusochki exceeded on model %s\n", args.model->debug_name);
return NULL;
}
// FIXME don't touch allocator each frame many times pls
geoms = Mem_Calloc(vk_core.pool, args.model->num_geometries * sizeof(*geoms));
geom_max_prim_counts = Mem_Malloc(vk_core.pool, args.model->num_geometries * sizeof(*geom_max_prim_counts));
geom_build_ranges = Mem_Calloc(vk_core.pool, args.model->num_geometries * sizeof(*geom_build_ranges));
/* gEngine.Con_Reportf("Loading model %s, geoms: %d\n", args.model->debug_name, args.model->num_geometries); */
for (int i = 0; i < args.model->num_geometries; ++i) {
vk_render_geometry_t *mg = args.model->geometries + i;
const uint32_t prim_count = mg->element_count / 3;
max_prims += prim_count;
geom_max_prim_counts[i] = prim_count;
geoms[i] = (VkAccelerationStructureGeometryKHR)
{
.sType = VK_STRUCTURE_TYPE_ACCELERATION_STRUCTURE_GEOMETRY_KHR,
.flags = VK_GEOMETRY_OPAQUE_BIT_KHR, // FIXME this is not true. incoming mode might have transparency eventually (and also dynamically)
.geometryType = VK_GEOMETRY_TYPE_TRIANGLES_KHR,
.geometry.triangles =
(VkAccelerationStructureGeometryTrianglesDataKHR){
.sType = VK_STRUCTURE_TYPE_ACCELERATION_STRUCTURE_GEOMETRY_TRIANGLES_DATA_KHR,
.indexType = VK_INDEX_TYPE_UINT16,
.maxVertex = mg->max_vertex,
.vertexFormat = VK_FORMAT_R32G32B32_SFLOAT,
.vertexStride = sizeof(vk_vertex_t),
.vertexData.deviceAddress = buffer_addr,
.indexData.deviceAddress = buffer_addr,
},
};
geom_build_ranges[i] = (VkAccelerationStructureBuildRangeInfoKHR) {
.primitiveCount = prim_count,
.primitiveOffset = mg->index_offset * sizeof(uint16_t),
.firstVertex = mg->vertex_offset,
};
}
// FIXME this is definitely not the right place. We should upload everything in bulk, and only then build blases in bulk too
vk_combuf_t *const combuf = R_VkStagingCommit();
{
const VkBufferMemoryBarrier bmb[] = { {
.sType = VK_STRUCTURE_TYPE_BUFFER_MEMORY_BARRIER,
.srcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT,
//.dstAccessMask = VK_ACCESS_ACCELERATION_STRUCTURE_READ_BIT_KHR, // FIXME
.dstAccessMask = VK_ACCESS_ACCELERATION_STRUCTURE_READ_BIT_KHR | VK_ACCESS_SHADER_READ_BIT, // FIXME
.buffer = args.buffer,
.offset = 0, // FIXME
.size = VK_WHOLE_SIZE, // FIXME
} };
vkCmdPipelineBarrier(combuf->cmdbuf,
VK_PIPELINE_STAGE_TRANSFER_BIT,
//VK_PIPELINE_STAGE_ACCELERATION_STRUCTURE_BUILD_BIT_KHR,
VK_PIPELINE_STAGE_ACCELERATION_STRUCTURE_BUILD_BIT_KHR | VK_PIPELINE_STAGE_RAY_TRACING_SHADER_BIT_KHR,
0, 0, NULL, ARRAYSIZE(bmb), bmb, 0, NULL);
}
{
as_build_args_t asrgs = {
.geoms = geoms,
.max_prim_counts = geom_max_prim_counts,
.build_ranges = geom_build_ranges,
.n_geoms = args.model->num_geometries,
.type = VK_ACCELERATION_STRUCTURE_TYPE_BOTTOM_LEVEL_KHR,
.dynamic = args.model->dynamic,
.debug_name = args.model->debug_name,
};
ray_model = getModelFromCache(args.model->num_geometries, max_prims, geoms); //, build_size.accelerationStructureSize);
if (!ray_model) {
gEngine.Con_Printf(S_ERROR "Ran out of model cache slots\n");
} else {
qboolean result;
asrgs.p_accel = &ray_model->as;
DEBUG_BEGINF(combuf->cmdbuf, "build blas for %s", args.model->debug_name);
result = createOrUpdateAccelerationStructure(combuf, &asrgs, ray_model);
DEBUG_END(combuf->cmdbuf);
if (!result)
{
gEngine.Con_Printf(S_ERROR "Could not build BLAS for %s\n", args.model->debug_name);
returnModelToCache(ray_model);
ray_model = NULL;
} else {
ray_model->kusochki_offset = kusochki_count_offset;
ray_model->dynamic = args.model->dynamic;
ray_model->material_mode = -1;
Vector4Set(ray_model->color, 1, 1, 1, 1);
Matrix4x4_LoadIdentity(ray_model->prev_transform);
if (vk_core.debug)
validateModel(ray_model);
}
}
}
Mem_Free(geom_build_ranges);
Mem_Free(geom_max_prim_counts);
Mem_Free(geoms); // TODO this can be cached within models_cache ??
//gEngine.Con_Reportf("Model %s (%p) created blas %p\n", args.model->debug_name, args.model, args.model->rtx.blas);
return ray_model;
}
void VK_RayModelDestroy( struct vk_ray_model_s *model ) {
ASSERT(vk_core.rtx);
if (model->as != VK_NULL_HANDLE) {
//gEngine.Con_Reportf("Model %s destroying AS=%p blas_index=%d\n", model->debug_name, model->rtx.blas, blas_index);
vkDestroyAccelerationStructureKHR(vk_core.device, model->as, NULL);
Mem_Free(model->geoms);
memset(model, 0, sizeof(*model));
}
}
// TODO move this to vk_brush
static void computeConveyorSpeed(const color24 rendercolor, int tex_index, vec2_t speed) {
float sy, cy;
float flConveyorSpeed = 0.0f;
float flRate, flAngle;
vk_texture_t *texture = findTexture( tex_index );
//gl_texture_t *texture;
// FIXME
/* if( ENGINE_GET_PARM( PARM_QUAKE_COMPATIBLE ) && RI.currententity == gEngfuncs.GetEntityByIndex( 0 ) ) */
/* { */
/* // same as doom speed */
/* flConveyorSpeed = -35.0f; */
/* } */
/* else */
{
flConveyorSpeed = (rendercolor.g<<8|rendercolor.b) / 16.0f;
if( rendercolor.r ) flConveyorSpeed = -flConveyorSpeed;
}
//texture = R_GetTexture( glState.currentTextures[glState.activeTMU] );
flRate = fabs( flConveyorSpeed ) / (float)texture->width;
flAngle = ( flConveyorSpeed >= 0 ) ? 180 : 0;
SinCos( flAngle * ( M_PI_F / 180.0f ), &sy, &cy );
speed[0] = cy * flRate;
speed[1] = sy * flRate;
}
// TODO utilize uploadKusochki([1]) to avoid 2 copies of staging code
static qboolean uploadKusochkiSubset(const vk_ray_model_t *const model, const vk_render_model_t *const render_model, uint32_t material_mode, const int *geom_indexes, int geom_indexes_count) {
// TODO can we sort all animated geometries (in brush) to have only a single range here?
for (int i = 0; i < geom_indexes_count; ++i) {
const int index = geom_indexes[i];
const vk_staging_buffer_args_t staging_args = {
.buffer = g_ray_model_state.kusochki_buffer.buffer,
.offset = (model->kusochki_offset + index) * sizeof(vk_kusok_data_t),
.size = sizeof(vk_kusok_data_t),
.alignment = 16,
};
const vk_staging_region_t kusok_staging = R_VkStagingLockForBuffer(staging_args);
if (!kusok_staging.ptr) {
gEngine.Con_Printf(S_ERROR "Couldn't allocate staging for %d kusochek for model %s\n", 1, render_model->debug_name);
return false;
}
vk_kusok_data_t *const kusochki = kusok_staging.ptr;
vk_render_geometry_t *geom = render_model->geometries + index;
applyMaterialToKusok(kusochki + 0, geom);
/* gEngine.Con_Reportf("model %s: geom=%d kuoffs=%d kustoff=%d kustsz=%d sthndl=%d\n", */
/* render_model->debug_name, */
/* render_model->num_geometries, */
/* model->kusochki_offset, */
/* staging_args.offset, staging_args.size, */
/* kusok_staging.handle */
/* ); */
R_VkStagingUnlock(kusok_staging.handle);
}
return true;
}
static qboolean uploadKusochki(const vk_ray_model_t *const model, const vk_render_model_t *const render_model, uint32_t material_mode) {
const vk_staging_buffer_args_t staging_args = {
.buffer = g_ray_model_state.kusochki_buffer.buffer,
.offset = model->kusochki_offset * sizeof(vk_kusok_data_t),
.size = render_model->num_geometries * sizeof(vk_kusok_data_t),
.alignment = 16,
};
const vk_staging_region_t kusok_staging = R_VkStagingLockForBuffer(staging_args);
if (!kusok_staging.ptr) {
gEngine.Con_Printf(S_ERROR "Couldn't allocate staging for %d kusochkov for model %s\n", model->num_geoms, render_model->debug_name);
return false;
}
vk_kusok_data_t *const kusochki = kusok_staging.ptr;
for (int i = 0; i < render_model->num_geometries; ++i) {
vk_render_geometry_t *geom = render_model->geometries + i;
applyMaterialToKusok(kusochki + i, geom);
}
/* gEngine.Con_Reportf("model %s: geom=%d kuoffs=%d kustoff=%d kustsz=%d sthndl=%d\n", */
/* render_model->debug_name, */
/* render_model->num_geometries, */
/* model->kusochki_offset, */
/* staging_args.offset, staging_args.size, */
/* kusok_staging.handle */
/* ); */
R_VkStagingUnlock(kusok_staging.handle);
return true;
}
void VK_RayFrameAddModel( vk_ray_model_t *model, const vk_render_model_t *render_model, const matrix3x4 *transform_row) {
vk_ray_draw_model_t* draw_model = g_ray_model_state.frame.models + g_ray_model_state.frame.num_models;
ASSERT(vk_core.rtx);
ASSERT(g_ray_model_state.frame.num_models <= ARRAYSIZE(g_ray_model_state.frame.models));
ASSERT(model->num_geoms == render_model->num_geometries);
if (g_ray_model_state.frame.num_models == ARRAYSIZE(g_ray_model_state.frame.models)) {
gEngine.Con_Printf(S_ERROR "Ran out of AccelerationStructure slots\n");
return;
}
ASSERT(model->as != VK_NULL_HANDLE);
uint32_t material_mode = MATERIAL_MODE_OPAQUE;
switch (render_model->render_type) {
case kVkRenderTypeSolid:
material_mode = MATERIAL_MODE_OPAQUE;
break;
case kVkRenderType_A_1mA_RW: // blend: scr*a + dst*(1-a), depth: RW
case kVkRenderType_A_1mA_R: // blend: scr*a + dst*(1-a), depth test
// FIXME where is MATERIAL_MODE_TRANSLUCENT??1
material_mode = MATERIAL_MODE_BLEND_MIX;
break;
case kVkRenderType_A_1: // blend: scr*a + dst, no depth test or write; sprite:kRenderGlow only
material_mode = MATERIAL_MODE_BLEND_GLOW;
break;
case kVkRenderType_A_1_R: // blend: scr*a + dst, depth test
case kVkRenderType_1_1_R: // blend: scr + dst, depth test
material_mode = MATERIAL_MODE_BLEND_ADD;
break;
case kVkRenderType_AT: // no blend, depth RW, alpha test
material_mode = MATERIAL_MODE_OPAQUE_ALPHA_TEST;
break;
default:
gEngine.Host_Error("Unexpected render type %d\n", render_model->render_type);
}
// Re-upload kusochki if needed
// TODO all of this will not be required when model data is split out from Kusok struct
#define Vector4Compare(v1,v2) ((v1)[0]==(v2)[0] && (v1)[1]==(v2)[1] && (v1)[2]==(v2)[2] && (v1)[3]==(v2)[3])
const qboolean upload_kusochki = (model->material_mode != material_mode
|| !Vector4Compare(model->color, render_model->color)
|| memcmp(model->prev_transform, render_model->prev_transform, sizeof(matrix4x4)) != 0);
// TODO optimize:
// - collect list of geoms for which we could update anything (animated textues, uvs, etc)
// - update only those through staging
// - also consider tracking whether the main model color has changed (that'd need to update everything yay)
if (upload_kusochki) {
model->material_mode = material_mode;
Vector4Copy(render_model->color, model->color);
Matrix4x4_Copy(model->prev_transform, render_model->prev_transform);
if (!uploadKusochki(model, render_model, material_mode)) {
return;
}
} else {
if (!uploadKusochkiSubset(model, render_model, material_mode, render_model->geometries_changed, render_model->geometries_changed_count))
return;
}
for (int i = 0; i < render_model->dynamic_polylights_count; ++i) {
rt_light_add_polygon_t *const polylight = render_model->dynamic_polylights + i;
polylight->transform_row = (const matrix3x4*)transform_row;
polylight->dynamic = true;
RT_LightAddPolygon(polylight);
}
draw_model->model = model;
memcpy(draw_model->transform_row, *transform_row, sizeof(draw_model->transform_row));
draw_model->material_mode = material_mode;
g_ray_model_state.frame.num_models++;
}
void RT_RayModel_Clear(void) {
R_DEBuffer_Init(&g_ray_model_state.kusochki_alloc, MAX_KUSOCHKI / 2, MAX_KUSOCHKI / 2);
}
void XVK_RayModel_ClearForNextFrame( void ) {
// FIXME we depend on the fact that only a single frame can be in flight
// currently framectl waits for the queue to complete before returning
// so we can be sure here that previous frame is complete and we're free to
// destroy/reuse dynamic ASes from previous frame
for (int i = 0; i < g_ray_model_state.frame.num_models; ++i) {
vk_ray_draw_model_t *model = g_ray_model_state.frame.models + i;
ASSERT(model->model);
if (!model->model->dynamic)
continue;
returnModelToCache(model->model);
model->model = NULL;
}
g_ray_model_state.frame.num_models = 0;
// TODO N frames in flight
// HACK: blas caching requires persistent memory
// proper fix would need some other memory allocation strategy
// VK_RingBuffer_ClearFrame(&g_rtx.accels_buffer_alloc);
//VK_RingBuffer_ClearFrame(&g_ray_model_state.kusochki_alloc);
R_DEBuffer_Flip(&g_ray_model_state.kusochki_alloc);
}
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