mirror of
https://github.com/w23/xash3d-fwgs
synced 2024-12-17 23:09:40 +01:00
d66ee6b3ce
also move geometries offsets to ranges struct instead of adding offsets to buffers addresses
334 lines
11 KiB
C
334 lines
11 KiB
C
#include "vk_ray_internal.h"
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#include "vk_rtx.h"
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#include "vk_textures.h"
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#include "vk_render.h"
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#include "vk_light.h"
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#include "eiface.h"
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#include <string.h>
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xvk_ray_model_state_t g_ray_model_state;
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static void returnModelToCache(vk_ray_model_t *model) {
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ASSERT(model->taken);
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model->taken = false;
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}
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static vk_ray_model_t *getModelFromCache(int num_geoms, int max_prims, const VkAccelerationStructureGeometryKHR *geoms) { //}, int size) {
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vk_ray_model_t *model = NULL;
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int i;
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for (i = 0; i < ARRAYSIZE(g_ray_model_state.models_cache); ++i)
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{
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int j;
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model = g_ray_model_state.models_cache + i;
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if (model->taken)
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continue;
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if (!model->as)
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break;
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if (model->num_geoms != num_geoms)
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continue;
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if (model->max_prims != max_prims)
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continue;
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for (j = 0; j < num_geoms; ++j) {
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if (model->geoms[j].geometryType != geoms[j].geometryType)
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break;
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if (model->geoms[j].flags != geoms[j].flags)
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break;
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if (geoms[j].geometryType == VK_GEOMETRY_TYPE_TRIANGLES_KHR) {
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// TODO what else should we compare?
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if (model->geoms[j].geometry.triangles.maxVertex != geoms[j].geometry.triangles.maxVertex)
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break;
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ASSERT(model->geoms[j].geometry.triangles.vertexStride == geoms[j].geometry.triangles.vertexStride);
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ASSERT(model->geoms[j].geometry.triangles.vertexFormat == geoms[j].geometry.triangles.vertexFormat);
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ASSERT(model->geoms[j].geometry.triangles.indexType == geoms[j].geometry.triangles.indexType);
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} else {
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PRINT_NOT_IMPLEMENTED_ARGS("Non-tri geometries are not implemented");
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break;
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}
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}
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if (j == num_geoms)
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break;
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}
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if (i == ARRAYSIZE(g_ray_model_state.models_cache))
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return NULL;
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// if (model->size > 0)
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// ASSERT(model->size >= size);
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if (!model->geoms) {
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const size_t size = sizeof(*geoms) * num_geoms;
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model->geoms = Mem_Malloc(vk_core.pool, size);
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memcpy(model->geoms, geoms, size);
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model->num_geoms = num_geoms;
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model->max_prims = max_prims;
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}
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model->taken = true;
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return model;
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}
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static void assertNoOverlap( uint32_t o1, uint32_t s1, uint32_t o2, uint32_t s2 ) {
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uint32_t min_offset, min_size;
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uint32_t max_offset;
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if (o1 < o2) {
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min_offset = o1;
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min_size = s1;
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max_offset = o2;
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} else {
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min_offset = o2;
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min_size = s2;
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max_offset = o1;
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}
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ASSERT(min_offset + min_size <= max_offset);
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}
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static void validateModelPair( const vk_ray_model_t *m1, const vk_ray_model_t *m2 ) {
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if (m1 == m2) return;
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if (!m2->num_geoms) return;
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assertNoOverlap(m1->debug.as_offset, m1->size, m2->debug.as_offset, m2->size);
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if (m1->taken && m2->taken)
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assertNoOverlap(m1->kusochki_offset, m1->num_geoms, m2->kusochki_offset, m2->num_geoms);
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}
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static void validateModel( const vk_ray_model_t *model ) {
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for (int j = 0; j < ARRAYSIZE(g_ray_model_state.models_cache); ++j) {
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validateModelPair(model, g_ray_model_state.models_cache + j);
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}
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}
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static void validateModels( void ) {
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for (int i = 0; i < ARRAYSIZE(g_ray_model_state.models_cache); ++i) {
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validateModel(g_ray_model_state.models_cache + i);
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}
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}
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void XVK_RayModel_Validate( void ) {
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const vk_kusok_data_t* kusochki = g_ray_model_state.kusochki_buffer.mapped;
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ASSERT(g_ray_model_state.frame.num_models <= ARRAYSIZE(g_ray_model_state.frame.models));
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for (int i = 0; i < g_ray_model_state.frame.num_models; ++i) {
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const vk_ray_draw_model_t *draw_model = g_ray_model_state.frame.models + i;
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const vk_ray_model_t *model = draw_model->model;
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int num_geoms = 1; // TODO can't validate non-dynamic models because this info is lost
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ASSERT(model);
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ASSERT(model->as != VK_NULL_HANDLE);
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ASSERT(model->kusochki_offset < MAX_KUSOCHKI);
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ASSERT(model->geoms);
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ASSERT(model->num_geoms > 0);
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ASSERT(model->taken);
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num_geoms = model->num_geoms;
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for (int j = 0; j < num_geoms; j++) {
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const vk_kusok_data_t *kusok = kusochki + j;
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const vk_texture_t *tex = findTexture(kusok->texture);
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ASSERT(tex);
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ASSERT(tex->vk.image_view != VK_NULL_HANDLE);
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// uint32_t index_offset;
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// uint32_t vertex_offset;
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// uint32_t triangles;
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}
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// Check for as model memory aliasing
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for (int j = 0; j < g_ray_model_state.frame.num_models; ++j) {
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const vk_ray_model_t *model2 = g_ray_model_state.frame.models[j].model;
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validateModelPair(model, model2);
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}
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}
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}
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vk_ray_model_t* VK_RayModelCreate( vk_ray_model_init_t args ) {
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VkAccelerationStructureGeometryKHR *geoms;
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uint32_t *geom_max_prim_counts;
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VkAccelerationStructureBuildRangeInfoKHR *geom_build_ranges;
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const VkDeviceAddress buffer_addr = getBufferDeviceAddress(args.buffer);
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vk_kusok_data_t *kusochki;
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const uint32_t kusochki_count_offset = VK_RingBuffer_Alloc(&g_ray_model_state.kusochki_alloc, args.model->num_geometries, 1);
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vk_ray_model_t *ray_model;
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int max_prims = 0;
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ASSERT(vk_core.rtx);
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if (g_ray_model_state.freeze_models)
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return args.model->ray_model;
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if (kusochki_count_offset == AllocFailed) {
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gEngine.Con_Printf(S_ERROR "Maximum number of kusochki exceeded on model %s\n", args.model->debug_name);
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return NULL;
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}
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// FIXME don't touch allocator each frame many times pls
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geoms = Mem_Calloc(vk_core.pool, args.model->num_geometries * sizeof(*geoms));
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geom_max_prim_counts = Mem_Malloc(vk_core.pool, args.model->num_geometries * sizeof(*geom_max_prim_counts));
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geom_build_ranges = Mem_Calloc(vk_core.pool, args.model->num_geometries * sizeof(*geom_build_ranges));
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kusochki = (vk_kusok_data_t*)(g_ray_model_state.kusochki_buffer.mapped) + kusochki_count_offset;
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for (int i = 0; i < args.model->num_geometries; ++i) {
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vk_render_geometry_t *mg = args.model->geometries + i;
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const uint32_t prim_count = mg->element_count / 3;
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const uint32_t vertex_offset = mg->vertex_offset + VK_RenderBufferGetOffsetInUnits(mg->vertex_buffer);
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const uint32_t index_offset = mg->index_buffer == InvalidHandle ? UINT32_MAX : (mg->index_offset + VK_RenderBufferGetOffsetInUnits(mg->index_buffer));
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max_prims += prim_count;
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geom_max_prim_counts[i] = prim_count;
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geoms[i] = (VkAccelerationStructureGeometryKHR)
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{
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.sType = VK_STRUCTURE_TYPE_ACCELERATION_STRUCTURE_GEOMETRY_KHR,
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.flags = VK_GEOMETRY_OPAQUE_BIT_KHR,
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.geometryType = VK_GEOMETRY_TYPE_TRIANGLES_KHR,
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.geometry.triangles =
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(VkAccelerationStructureGeometryTrianglesDataKHR){
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.sType = VK_STRUCTURE_TYPE_ACCELERATION_STRUCTURE_GEOMETRY_TRIANGLES_DATA_KHR,
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.indexType = mg->index_buffer == InvalidHandle ? VK_INDEX_TYPE_NONE_KHR : VK_INDEX_TYPE_UINT16,
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.maxVertex = mg->vertex_count,
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.vertexFormat = VK_FORMAT_R32G32B32_SFLOAT,
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.vertexStride = sizeof(vk_vertex_t),
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.vertexData.deviceAddress = buffer_addr,
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.indexData.deviceAddress = buffer_addr,
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},
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};
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#if 0
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gEngine.Con_Reportf(" g%d: v(%#x %d %#x) V%d i(%#x %d %#x) I%d\n", i,
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vertex_offset*sizeof(vk_vertex_t), mg->vertex_count * sizeof(vk_vertex_t), (vertex_offset + mg->vertex_count) * sizeof(vk_vertex_t), mg->vertex_count,
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index_offset*sizeof(uint16_t), mg->element_count * sizeof(uint16_t), (index_offset + mg->element_count) * sizeof(uint16_t), mg->element_count);
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#endif
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geom_build_ranges[i] = (VkAccelerationStructureBuildRangeInfoKHR) {
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.primitiveCount = prim_count,
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.primitiveOffset = index_offset == UINT32_MAX ? 0 : index_offset * sizeof(uint16_t),
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.firstVertex = vertex_offset,
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};
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kusochki[i].vertex_offset = vertex_offset;
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kusochki[i].index_offset = index_offset;
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kusochki[i].triangles = prim_count;
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kusochki[i].texture = mg->texture;
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kusochki[i].roughness = mg->material == kXVkMaterialWater ? 0. : 1.;
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mg->kusok_index = i + kusochki_count_offset;
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}
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{
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as_build_args_t asrgs = {
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.geoms = geoms,
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.max_prim_counts = geom_max_prim_counts,
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.build_ranges = geom_build_ranges,
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.n_geoms = args.model->num_geometries,
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.type = VK_ACCELERATION_STRUCTURE_TYPE_BOTTOM_LEVEL_KHR,
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.dynamic = args.model->dynamic,
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.debug_name = args.model->debug_name,
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};
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ray_model = getModelFromCache(args.model->num_geometries, max_prims, geoms); //, build_size.accelerationStructureSize);
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if (!ray_model) {
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gEngine.Con_Printf(S_ERROR "Ran out of model cache slots\n");
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} else {
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qboolean result;
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asrgs.p_accel = &ray_model->as;
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result = createOrUpdateAccelerationStructure(vk_core.cb, &asrgs, ray_model);
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if (!result)
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{
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gEngine.Con_Printf(S_ERROR "Could not build BLAS for %s\n", args.model->debug_name);
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returnModelToCache(ray_model);
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ray_model = NULL;
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} else {
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ray_model->kusochki_offset = kusochki_count_offset;
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ray_model->dynamic = args.model->dynamic;
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if (vk_core.debug)
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validateModel(ray_model);
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}
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}
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}
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Mem_Free(geom_build_ranges);
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Mem_Free(geom_max_prim_counts);
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Mem_Free(geoms); // TODO this can be cached within models_cache ??
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//gEngine.Con_Reportf("Model %s (%p) created blas %p\n", args.model->debug_name, args.model, args.model->rtx.blas);
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return ray_model;
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}
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void VK_RayModelDestroy( struct vk_ray_model_s *model ) {
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ASSERT(!g_ray_model_state.freeze_models);
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ASSERT(vk_core.rtx);
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if (model->as != VK_NULL_HANDLE) {
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//gEngine.Con_Reportf("Model %s destroying AS=%p blas_index=%d\n", model->debug_name, model->rtx.blas, blas_index);
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vkDestroyAccelerationStructureKHR(vk_core.device, model->as, NULL);
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Mem_Free(model->geoms);
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memset(model, 0, sizeof(*model));
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}
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}
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void VK_RayFrameAddModel( vk_ray_model_t *model, const vk_render_model_t *render_model, const matrix3x4 *transform_row ) {
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ASSERT(vk_core.rtx);
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ASSERT(g_ray_model_state.frame.num_models <= ARRAYSIZE(g_ray_model_state.frame.models));
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if (g_ray_model_state.freeze_models)
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return;
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if (g_ray_model_state.frame.num_models == ARRAYSIZE(g_ray_model_state.frame.models)) {
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gEngine.Con_Printf(S_ERROR "Ran out of AccelerationStructure slots\n");
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return;
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}
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{
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vk_ray_draw_model_t* draw_model = g_ray_model_state.frame.models + g_ray_model_state.frame.num_models;
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ASSERT(model->as != VK_NULL_HANDLE);
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draw_model->model = model;
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memcpy(draw_model->transform_row, *transform_row, sizeof(draw_model->transform_row));
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g_ray_model_state.frame.num_models++;
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}
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if (render_model)
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VK_LightsAddEmissiveSurfacesFromModel( render_model, transform_row );
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for (int i = 0; i < render_model->num_geometries; ++i) {
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const vk_render_geometry_t *geom = render_model->geometries + i;
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vk_kusok_data_t *kusok = (vk_kusok_data_t*)(g_ray_model_state.kusochki_buffer.mapped) + geom->kusok_index;
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kusok->texture = geom->texture;
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}
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}
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void XVK_RayModel_ClearForNextFrame( void )
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{
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// FIXME we depend on the fact that only a single frame can be in flight
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// currently framectl waits for the queue to complete before returning
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// so we can be sure here that previous frame is complete and we're free to
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// destroy/reuse dynamic ASes from previous frame
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for (int i = 0; i < g_ray_model_state.frame.num_models; ++i) {
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vk_ray_draw_model_t *model = g_ray_model_state.frame.models + i;
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ASSERT(model->model);
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if (!model->model->dynamic)
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continue;
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returnModelToCache(model->model);
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model->model = NULL;
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}
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g_ray_model_state.frame.num_models = 0;
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// TODO N frames in flight
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// HACK: blas caching requires persistent memory
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// proper fix would need some other memory allocation strategy
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// VK_RingBuffer_ClearFrame(&g_rtx.accels_buffer_alloc);
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VK_RingBuffer_ClearFrame(&g_ray_model_state.kusochki_alloc);
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} |