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luboslenco
2025-01-02 16:29:48 +01:00
parent 6e05581d52 74a19a6ee6
commit ee0fba2de5
3 changed files with 104 additions and 33 deletions
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armorcore/sources/backends/metal/kinc/backend/graphics5/raytrace.m.h
+100 -29
View File
@@ -14,6 +14,11 @@ static kinc_g5_constant_buffer_t *constant_buf;
id getMetalDevice(void);
id getMetalQueue(void);
typedef struct inst {
kinc_matrix4x4_t m;
int i;
} inst_t;
id<MTLComputePipelineState> _raytracing_pipeline;
NSMutableArray *_primitive_accels;
id<MTLAccelerationStructure> _instance_accel;
@@ -26,8 +31,14 @@ static kinc_g5_texture_t *_texenv;
static kinc_g5_texture_t *_texsobol;
static kinc_g5_texture_t *_texscramble;
static kinc_g5_texture_t *_texrank;
static kinc_g5_vertex_buffer_t *_vb;
static kinc_g5_index_buffer_t *_ib;
static kinc_g5_vertex_buffer_t *vb[16];
static kinc_g5_vertex_buffer_t *vb_last[16];
static kinc_g5_index_buffer_t *ib[16];
static int vb_count = 0;
static int vb_count_last = 0;
static inst_t instances[1024];
static int instances_count = 0;
bool kinc_raytrace_supported() {
id<MTLDevice> device = getMetalDevice();
@@ -88,25 +99,84 @@ id<MTLAccelerationStructure> create_acceleration_sctructure(MTLAccelerationStruc
return compacted_acceleration_structure;
}
void kinc_raytrace_acceleration_structure_init(kinc_raytrace_acceleration_structure_t *accel, kinc_g5_command_list_t *command_list, kinc_g5_vertex_buffer_t *vb,
kinc_g5_index_buffer_t *ib, float scale) {
void kinc_raytrace_acceleration_structure_init(kinc_raytrace_acceleration_structure_t *accel) {
vb_count = 0;
instances_count = 0;
}
void kinc_raytrace_acceleration_structure_add(kinc_raytrace_acceleration_structure_t *accel, kinc_g5_vertex_buffer_t *_vb, kinc_g5_index_buffer_t *_ib,
kinc_matrix4x4_t _transform) {
int vb_i = -1;
for (int i = 0; i < vb_count; ++i) {
if (_vb == vb[i]) {
vb_i = i;
break;
}
}
if (vb_i == -1) {
vb_i = vb_count;
vb[vb_count] = _vb;
ib[vb_count] = _ib;
vb_count++;
}
inst_t inst = { .i = vb_i, .m = _transform };
instances[instances_count] = inst;
instances_count++;
}
void _kinc_raytrace_acceleration_structure_destroy_bottom(kinc_raytrace_acceleration_structure_t *accel) {
// for (int i = 0; i < vb_count_last; ++i) {
// }
_primitive_accels = nil;
}
void _kinc_raytrace_acceleration_structure_destroy_top(kinc_raytrace_acceleration_structure_t *accel) {
_instance_accel = nil;
}
void kinc_raytrace_acceleration_structure_build(kinc_raytrace_acceleration_structure_t *accel, kinc_g5_command_list_t *command_list,
kinc_g5_vertex_buffer_t *_vb_full, kinc_g5_index_buffer_t *_ib_full) {
bool build_bottom = false;
for (int i = 0; i < 16; ++i) {
if (vb_last[i] != vb[i]) {
build_bottom = true;
}
vb_last[i] = vb[i];
}
if (vb_count_last > 0) {
if (build_bottom) {
_kinc_raytrace_acceleration_structure_destroy_bottom(accel);
}
_kinc_raytrace_acceleration_structure_destroy_top(accel);
}
vb_count_last = vb_count;
if (vb_count == 0) {
return;
}
id<MTLDevice> device = getMetalDevice();
if (!device.supportsRaytracing) return;
if (!device.supportsRaytracing) {
return;
}
#if !TARGET_OS_IPHONE
MTLResourceOptions options = MTLResourceStorageModeManaged;
#else
MTLResourceOptions options = MTLResourceStorageModeShared;
#endif
_vb = vb;
_ib = ib;
MTLAccelerationStructureTriangleGeometryDescriptor *descriptor = [MTLAccelerationStructureTriangleGeometryDescriptor descriptor];
descriptor.indexType = MTLIndexTypeUInt32;
descriptor.indexBuffer = (__bridge id<MTLBuffer>)ib->impl.metal_buffer;
descriptor.vertexBuffer = (__bridge id<MTLBuffer>)vb->impl.mtlBuffer;
descriptor.vertexStride = vb->impl.myStride;
descriptor.triangleCount = ib->impl.count / 3;
descriptor.indexBuffer = (__bridge id<MTLBuffer>)ib[0]->impl.metal_buffer;
descriptor.vertexBuffer = (__bridge id<MTLBuffer>)vb[0]->impl.mtlBuffer;
descriptor.vertexStride = vb[0]->impl.myStride;
descriptor.triangleCount = ib[0]->impl.count / 3;
descriptor.vertexFormat = MTLAttributeFormatShort4Normalized;
MTLPrimitiveAccelerationStructureDescriptor *accel_descriptor = [MTLPrimitiveAccelerationStructureDescriptor descriptor];
@@ -121,10 +191,10 @@ void kinc_raytrace_acceleration_structure_init(kinc_raytrace_acceleration_struct
instance_descriptors[0].accelerationStructureIndex = 0;
instance_descriptors[0].options = MTLAccelerationStructureInstanceOptionOpaque;
instance_descriptors[0].mask = 1;
instance_descriptors[0].transformationMatrix.columns[0] = MTLPackedFloat3Make(scale, 0, 0);
instance_descriptors[0].transformationMatrix.columns[1] = MTLPackedFloat3Make(0, scale, 0);
instance_descriptors[0].transformationMatrix.columns[2] = MTLPackedFloat3Make(0, 0, scale);
instance_descriptors[0].transformationMatrix.columns[3] = MTLPackedFloat3Make(0, 0, 0);
instance_descriptors[0].transformationMatrix.columns[0] = MTLPackedFloat3Make(instances[0].m.m[0], instances[0].m.m[1], instances[0].m.m[2]);
instance_descriptors[0].transformationMatrix.columns[1] = MTLPackedFloat3Make(instances[0].m.m[4], instances[0].m.m[5], instances[0].m.m[6]);
instance_descriptors[0].transformationMatrix.columns[2] = MTLPackedFloat3Make(instances[0].m.m[8], instances[0].m.m[9], instances[0].m.m[10]);
instance_descriptors[0].transformationMatrix.columns[3] = MTLPackedFloat3Make(instances[0].m.m[12], instances[0].m.m[13], instances[0].m.m[14]);
#if !TARGET_OS_IPHONE
[instance_buffer didModifyRange:NSMakeRange(0, instance_buffer.length)];
@@ -182,8 +252,8 @@ void kinc_raytrace_dispatch_rays(kinc_g5_command_list_t *command_list) {
id<MTLComputeCommandEncoder> compute_encoder = [command_buffer computeCommandEncoder];
[compute_encoder setBuffer:(__bridge id<MTLBuffer>)constant_buf->impl._buffer offset:0 atIndex:0];
[compute_encoder setAccelerationStructure:_instance_accel atBufferIndex:1];
[compute_encoder setBuffer: (__bridge id<MTLBuffer>)_ib->impl.metal_buffer offset:0 atIndex:2];
[compute_encoder setBuffer: (__bridge id<MTLBuffer>)_vb->impl.mtlBuffer offset:0 atIndex:3];
[compute_encoder setBuffer: (__bridge id<MTLBuffer>)ib[0]->impl.metal_buffer offset:0 atIndex:2];
[compute_encoder setBuffer: (__bridge id<MTLBuffer>)vb[0]->impl.mtlBuffer offset:0 atIndex:3];
[compute_encoder setTexture:(__bridge id<MTLTexture>)output->impl._tex atIndex:0];
[compute_encoder setTexture:(__bridge id<MTLTexture>)_texpaint0->impl._tex atIndex:1];
[compute_encoder setTexture:(__bridge id<MTLTexture>)_texpaint1->impl._tex atIndex:2];
@@ -193,8 +263,9 @@ void kinc_raytrace_dispatch_rays(kinc_g5_command_list_t *command_list) {
[compute_encoder setTexture:(__bridge id<MTLTexture>)_texscramble->impl._tex atIndex:6];
[compute_encoder setTexture:(__bridge id<MTLTexture>)_texrank->impl._tex atIndex:7];
for (id<MTLAccelerationStructure> primitive_accel in _primitive_accels)
for (id<MTLAccelerationStructure> primitive_accel in _primitive_accels) {
[compute_encoder useResource:primitive_accel usage:MTLResourceUsageRead];
}
[compute_encoder setComputePipelineState:_raytracing_pipeline];
[compute_encoder dispatchThreadgroups:threadgroups threadsPerThreadgroup:threads_per_threadgroup];
@@ -203,14 +274,14 @@ void kinc_raytrace_dispatch_rays(kinc_g5_command_list_t *command_list) {
}
void kinc_raytrace_copy(kinc_g5_command_list_t *command_list, kinc_g5_render_target_t *target, kinc_g5_texture_t *source) {
id<MTLCommandQueue> queue = getMetalQueue();
id<MTLCommandBuffer> command_buffer = [queue commandBuffer];
id<MTLBlitCommandEncoder> command_encoder = [command_buffer blitCommandEncoder];
[command_encoder copyFromTexture:(__bridge id<MTLTexture>)source->impl._tex toTexture:(__bridge id<MTLTexture>)target->impl._tex];
#ifndef KINC_APPLE_SOC
[command_encoder synchronizeResource:(__bridge id<MTLTexture>)target->impl._tex];
#endif
[command_encoder endEncoding];
[command_buffer commit];
[command_buffer waitUntilCompleted];
// id<MTLCommandQueue> queue = getMetalQueue();
// id<MTLCommandBuffer> command_buffer = [queue commandBuffer];
// id<MTLBlitCommandEncoder> command_encoder = [command_buffer blitCommandEncoder];
// [command_encoder copyFromTexture:(__bridge id<MTLTexture>)source->impl._tex toTexture:(__bridge id<MTLTexture>)target->impl._tex];
// #ifndef KINC_APPLE_SOC
// [command_encoder synchronizeResource:(__bridge id<MTLTexture>)target->impl._tex];
// #endif
// [command_encoder endEncoding];
// [command_buffer commit];
// [command_buffer waitUntilCompleted];
}
base/shaders/raytrace/raytrace_brute_core.metal
+2 -2
View File
@@ -5,8 +5,8 @@
#define _TRANSLUCENCY
#define _ROULETTE
#define _TRANSPARENCY
// #define _FRESNEL
#endif
#define _FRESNEL
#define _RENDER
using namespace metal;
@@ -200,6 +200,7 @@ kernel void raytracingKernel(
// TraceRay(scene, RAY_FLAG_FORCE_OPAQUE | RAY_FLAG_CULL_BACK_FACING_TRIANGLES, ~0, 0, 1, 0, ray, payload);
// #else
// TraceRay(scene, RAY_FLAG_FORCE_OPAQUE, ~0, 0, 1, 0, ray, payload);
// #endif
intersector<triangle_data, instancing> in;
in.assume_geometry_type(geometry_type::triangle);
@@ -329,7 +330,6 @@ kernel void raytracingKernel(
}
#endif
}
// #endif
#ifdef _EMISSION
if (payload.color.a == -2) {
base/shaders/raytrace/raytrace_brute_full.metal
+2 -2
View File
@@ -6,8 +6,8 @@
#define _TRANSLUCENCY
#define _ROULETTE
#define _TRANSPARENCY
// #define _FRESNEL
#endif
#define _FRESNEL
#define _RENDER
using namespace metal;
@@ -201,6 +201,7 @@ kernel void raytracingKernel(
// TraceRay(scene, RAY_FLAG_FORCE_OPAQUE | RAY_FLAG_CULL_BACK_FACING_TRIANGLES, ~0, 0, 1, 0, ray, payload);
// #else
// TraceRay(scene, RAY_FLAG_FORCE_OPAQUE, ~0, 0, 1, 0, ray, payload);
// #endif
intersector<triangle_data, instancing> in;
in.assume_geometry_type(geometry_type::triangle);
@@ -330,7 +331,6 @@ kernel void raytracingKernel(
}
#endif
}
// #endif
#ifdef _EMISSION
if (payload.color.a == -2) {