diff options
Diffstat (limited to 'thirdparty/spirv-cross/include/spirv_cross')
6 files changed, 1094 insertions, 0 deletions
diff --git a/thirdparty/spirv-cross/include/spirv_cross/barrier.hpp b/thirdparty/spirv-cross/include/spirv_cross/barrier.hpp new file mode 100644 index 0000000000..4ca7f4d77c --- /dev/null +++ b/thirdparty/spirv-cross/include/spirv_cross/barrier.hpp @@ -0,0 +1,80 @@ +/* + * Copyright 2015-2017 ARM Limited + * SPDX-License-Identifier: Apache-2.0 + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef SPIRV_CROSS_BARRIER_HPP +#define SPIRV_CROSS_BARRIER_HPP + +#include <atomic> +#include <thread> + +namespace spirv_cross +{ +class Barrier +{ +public: + Barrier() + { + count.store(0); + iteration.store(0); + } + + void set_release_divisor(unsigned divisor) + { + this->divisor = divisor; + } + + static inline void memoryBarrier() + { + std::atomic_thread_fence(std::memory_order_seq_cst); + } + + void reset_counter() + { + count.store(0); + iteration.store(0); + } + + void wait() + { + unsigned target_iteration = iteration.load(std::memory_order_relaxed) + 1; + // Overflows cleanly. + unsigned target_count = divisor * target_iteration; + + // Barriers don't enforce memory ordering. + // Be as relaxed about the barrier as we possibly can! + unsigned c = count.fetch_add(1u, std::memory_order_relaxed); + + if (c + 1 == target_count) + { + iteration.store(target_iteration, std::memory_order_relaxed); + } + else + { + // If we have more threads than the CPU, don't hog the CPU for very long periods of time. + while (iteration.load(std::memory_order_relaxed) != target_iteration) + std::this_thread::yield(); + } + } + +private: + unsigned divisor = 1; + std::atomic<unsigned> count; + std::atomic<unsigned> iteration; +}; +} + +#endif diff --git a/thirdparty/spirv-cross/include/spirv_cross/external_interface.h b/thirdparty/spirv-cross/include/spirv_cross/external_interface.h new file mode 100644 index 0000000000..949654f5bf --- /dev/null +++ b/thirdparty/spirv-cross/include/spirv_cross/external_interface.h @@ -0,0 +1,127 @@ +/* + * Copyright 2015-2017 ARM Limited + * SPDX-License-Identifier: Apache-2.0 + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef SPIRV_CROSS_EXTERNAL_INTERFACE_H +#define SPIRV_CROSS_EXTERNAL_INTERFACE_H + +#ifdef __cplusplus +extern "C" { +#endif + +#include <stddef.h> + +typedef struct spirv_cross_shader spirv_cross_shader_t; + +struct spirv_cross_interface +{ + spirv_cross_shader_t *(*construct)(void); + void (*destruct)(spirv_cross_shader_t *thiz); + void (*invoke)(spirv_cross_shader_t *thiz); +}; + +void spirv_cross_set_stage_input(spirv_cross_shader_t *thiz, unsigned location, void *data, size_t size); + +void spirv_cross_set_stage_output(spirv_cross_shader_t *thiz, unsigned location, void *data, size_t size); + +void spirv_cross_set_push_constant(spirv_cross_shader_t *thiz, void *data, size_t size); + +void spirv_cross_set_uniform_constant(spirv_cross_shader_t *thiz, unsigned location, void *data, size_t size); + +void spirv_cross_set_resource(spirv_cross_shader_t *thiz, unsigned set, unsigned binding, void **data, size_t size); + +const struct spirv_cross_interface *spirv_cross_get_interface(void); + +typedef enum spirv_cross_builtin { + SPIRV_CROSS_BUILTIN_POSITION = 0, + SPIRV_CROSS_BUILTIN_FRAG_COORD = 1, + SPIRV_CROSS_BUILTIN_WORK_GROUP_ID = 2, + SPIRV_CROSS_BUILTIN_NUM_WORK_GROUPS = 3, + SPIRV_CROSS_NUM_BUILTINS +} spirv_cross_builtin; + +void spirv_cross_set_builtin(spirv_cross_shader_t *thiz, spirv_cross_builtin builtin, void *data, size_t size); + +#define SPIRV_CROSS_NUM_DESCRIPTOR_SETS 4 +#define SPIRV_CROSS_NUM_DESCRIPTOR_BINDINGS 16 +#define SPIRV_CROSS_NUM_STAGE_INPUTS 16 +#define SPIRV_CROSS_NUM_STAGE_OUTPUTS 16 +#define SPIRV_CROSS_NUM_UNIFORM_CONSTANTS 32 + +enum spirv_cross_format +{ + SPIRV_CROSS_FORMAT_R8_UNORM = 0, + SPIRV_CROSS_FORMAT_R8G8_UNORM = 1, + SPIRV_CROSS_FORMAT_R8G8B8_UNORM = 2, + SPIRV_CROSS_FORMAT_R8G8B8A8_UNORM = 3, + + SPIRV_CROSS_NUM_FORMATS +}; + +enum spirv_cross_wrap +{ + SPIRV_CROSS_WRAP_CLAMP_TO_EDGE = 0, + SPIRV_CROSS_WRAP_REPEAT = 1, + + SPIRV_CROSS_NUM_WRAP +}; + +enum spirv_cross_filter +{ + SPIRV_CROSS_FILTER_NEAREST = 0, + SPIRV_CROSS_FILTER_LINEAR = 1, + + SPIRV_CROSS_NUM_FILTER +}; + +enum spirv_cross_mipfilter +{ + SPIRV_CROSS_MIPFILTER_BASE = 0, + SPIRV_CROSS_MIPFILTER_NEAREST = 1, + SPIRV_CROSS_MIPFILTER_LINEAR = 2, + + SPIRV_CROSS_NUM_MIPFILTER +}; + +struct spirv_cross_miplevel +{ + const void *data; + unsigned width, height; + size_t stride; +}; + +struct spirv_cross_sampler_info +{ + const struct spirv_cross_miplevel *mipmaps; + unsigned num_mipmaps; + + enum spirv_cross_format format; + enum spirv_cross_wrap wrap_s; + enum spirv_cross_wrap wrap_t; + enum spirv_cross_filter min_filter; + enum spirv_cross_filter mag_filter; + enum spirv_cross_mipfilter mip_filter; +}; + +typedef struct spirv_cross_sampler_2d spirv_cross_sampler_2d_t; +spirv_cross_sampler_2d_t *spirv_cross_create_sampler_2d(const struct spirv_cross_sampler_info *info); +void spirv_cross_destroy_sampler_2d(spirv_cross_sampler_2d_t *samp); + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/thirdparty/spirv-cross/include/spirv_cross/image.hpp b/thirdparty/spirv-cross/include/spirv_cross/image.hpp new file mode 100644 index 0000000000..a41ccdfbb4 --- /dev/null +++ b/thirdparty/spirv-cross/include/spirv_cross/image.hpp @@ -0,0 +1,63 @@ +/* + * Copyright 2015-2017 ARM Limited + * SPDX-License-Identifier: Apache-2.0 + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef SPIRV_CROSS_IMAGE_HPP +#define SPIRV_CROSS_IMAGE_HPP + +#ifndef GLM_SWIZZLE +#define GLM_SWIZZLE +#endif + +#ifndef GLM_FORCE_RADIANS +#define GLM_FORCE_RADIANS +#endif + +#include <glm/glm.hpp> + +namespace spirv_cross +{ +template <typename T> +struct image2DBase +{ + virtual ~image2DBase() = default; + inline virtual T load(glm::ivec2 coord) const + { + return T(0, 0, 0, 1); + } + inline virtual void store(glm::ivec2 coord, const T &v) + { + } +}; + +typedef image2DBase<glm::vec4> image2D; +typedef image2DBase<glm::ivec4> iimage2D; +typedef image2DBase<glm::uvec4> uimage2D; + +template <typename T> +inline T imageLoad(const image2DBase<T> &image, glm::ivec2 coord) +{ + return image.load(coord); +} + +template <typename T> +void imageStore(image2DBase<T> &image, glm::ivec2 coord, const T &value) +{ + image.store(coord, value); +} +} + +#endif diff --git a/thirdparty/spirv-cross/include/spirv_cross/internal_interface.hpp b/thirdparty/spirv-cross/include/spirv_cross/internal_interface.hpp new file mode 100644 index 0000000000..3ff7f8e258 --- /dev/null +++ b/thirdparty/spirv-cross/include/spirv_cross/internal_interface.hpp @@ -0,0 +1,604 @@ +/* + * Copyright 2015-2017 ARM Limited + * SPDX-License-Identifier: Apache-2.0 + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef SPIRV_CROSS_INTERNAL_INTERFACE_HPP +#define SPIRV_CROSS_INTERNAL_INTERFACE_HPP + +// This file must only be included by the shader generated by spirv-cross! + +#ifndef GLM_FORCE_SWIZZLE +#define GLM_FORCE_SWIZZLE +#endif + +#ifndef GLM_FORCE_RADIANS +#define GLM_FORCE_RADIANS +#endif + +#include <glm/glm.hpp> + +#include "barrier.hpp" +#include "external_interface.h" +#include "image.hpp" +#include "sampler.hpp" +#include "thread_group.hpp" +#include <assert.h> +#include <stdint.h> + +namespace internal +{ +// Adaptor helpers to adapt GLSL access chain syntax to C++. +// Don't bother with arrays of arrays on uniforms ... +// Would likely need horribly complex variadic template munging. + +template <typename T> +struct Interface +{ + enum + { + ArraySize = 1, + Size = sizeof(T) + }; + + Interface() + : ptr(0) + { + } + T &get() + { + assert(ptr); + return *ptr; + } + + T *ptr; +}; + +// For array types, return a pointer instead. +template <typename T, unsigned U> +struct Interface<T[U]> +{ + enum + { + ArraySize = U, + Size = U * sizeof(T) + }; + + Interface() + : ptr(0) + { + } + T *get() + { + assert(ptr); + return ptr; + } + + T *ptr; +}; + +// For case when array size is 1, avoid double dereference. +template <typename T> +struct PointerInterface +{ + enum + { + ArraySize = 1, + Size = sizeof(T *) + }; + enum + { + PreDereference = true + }; + + PointerInterface() + : ptr(0) + { + } + + T &get() + { + assert(ptr); + return *ptr; + } + + T *ptr; +}; + +// Automatically converts a pointer down to reference to match GLSL syntax. +template <typename T> +struct DereferenceAdaptor +{ + DereferenceAdaptor(T **ptr) + : ptr(ptr) + { + } + T &operator[](unsigned index) const + { + return *(ptr[index]); + } + T **ptr; +}; + +// We can't have a linear array of T* since T* can be an abstract type in case of samplers. +// We also need a list of pointers since we can have run-time length SSBOs. +template <typename T, unsigned U> +struct PointerInterface<T[U]> +{ + enum + { + ArraySize = U, + Size = sizeof(T *) * U + }; + enum + { + PreDereference = false + }; + PointerInterface() + : ptr(0) + { + } + + DereferenceAdaptor<T> get() + { + assert(ptr); + return DereferenceAdaptor<T>(ptr); + } + + T **ptr; +}; + +// Resources can be more abstract and be unsized, +// so we need to have an array of pointers for those cases. +template <typename T> +struct Resource : PointerInterface<T> +{ +}; + +// POD with no unknown sizes, so we can express these as flat arrays. +template <typename T> +struct UniformConstant : Interface<T> +{ +}; +template <typename T> +struct StageInput : Interface<T> +{ +}; +template <typename T> +struct StageOutput : Interface<T> +{ +}; +template <typename T> +struct PushConstant : Interface<T> +{ +}; +} + +struct spirv_cross_shader +{ + struct PPSize + { + PPSize() + : ptr(0) + , size(0) + { + } + void **ptr; + size_t size; + }; + + struct PPSizeResource + { + PPSizeResource() + : ptr(0) + , size(0) + , pre_dereference(false) + { + } + void **ptr; + size_t size; + bool pre_dereference; + }; + + PPSizeResource resources[SPIRV_CROSS_NUM_DESCRIPTOR_SETS][SPIRV_CROSS_NUM_DESCRIPTOR_BINDINGS]; + PPSize stage_inputs[SPIRV_CROSS_NUM_STAGE_INPUTS]; + PPSize stage_outputs[SPIRV_CROSS_NUM_STAGE_OUTPUTS]; + PPSize uniform_constants[SPIRV_CROSS_NUM_UNIFORM_CONSTANTS]; + PPSize push_constant; + PPSize builtins[SPIRV_CROSS_NUM_BUILTINS]; + + template <typename U> + void register_builtin(spirv_cross_builtin builtin, const U &value) + { + assert(!builtins[builtin].ptr); + + builtins[builtin].ptr = (void **)&value.ptr; + builtins[builtin].size = sizeof(*value.ptr) * U::ArraySize; + } + + void set_builtin(spirv_cross_builtin builtin, void *data, size_t size) + { + assert(builtins[builtin].ptr); + assert(size >= builtins[builtin].size); + + *builtins[builtin].ptr = data; + } + + template <typename U> + void register_resource(const internal::Resource<U> &value, unsigned set, unsigned binding) + { + assert(set < SPIRV_CROSS_NUM_DESCRIPTOR_SETS); + assert(binding < SPIRV_CROSS_NUM_DESCRIPTOR_BINDINGS); + assert(!resources[set][binding].ptr); + + resources[set][binding].ptr = (void **)&value.ptr; + resources[set][binding].size = internal::Resource<U>::Size; + resources[set][binding].pre_dereference = internal::Resource<U>::PreDereference; + } + + template <typename U> + void register_stage_input(const internal::StageInput<U> &value, unsigned location) + { + assert(location < SPIRV_CROSS_NUM_STAGE_INPUTS); + assert(!stage_inputs[location].ptr); + + stage_inputs[location].ptr = (void **)&value.ptr; + stage_inputs[location].size = internal::StageInput<U>::Size; + } + + template <typename U> + void register_stage_output(const internal::StageOutput<U> &value, unsigned location) + { + assert(location < SPIRV_CROSS_NUM_STAGE_OUTPUTS); + assert(!stage_outputs[location].ptr); + + stage_outputs[location].ptr = (void **)&value.ptr; + stage_outputs[location].size = internal::StageOutput<U>::Size; + } + + template <typename U> + void register_uniform_constant(const internal::UniformConstant<U> &value, unsigned location) + { + assert(location < SPIRV_CROSS_NUM_UNIFORM_CONSTANTS); + assert(!uniform_constants[location].ptr); + + uniform_constants[location].ptr = (void **)&value.ptr; + uniform_constants[location].size = internal::UniformConstant<U>::Size; + } + + template <typename U> + void register_push_constant(const internal::PushConstant<U> &value) + { + assert(!push_constant.ptr); + + push_constant.ptr = (void **)&value.ptr; + push_constant.size = internal::PushConstant<U>::Size; + } + + void set_stage_input(unsigned location, void *data, size_t size) + { + assert(location < SPIRV_CROSS_NUM_STAGE_INPUTS); + assert(stage_inputs[location].ptr); + assert(size >= stage_inputs[location].size); + + *stage_inputs[location].ptr = data; + } + + void set_stage_output(unsigned location, void *data, size_t size) + { + assert(location < SPIRV_CROSS_NUM_STAGE_OUTPUTS); + assert(stage_outputs[location].ptr); + assert(size >= stage_outputs[location].size); + + *stage_outputs[location].ptr = data; + } + + void set_uniform_constant(unsigned location, void *data, size_t size) + { + assert(location < SPIRV_CROSS_NUM_UNIFORM_CONSTANTS); + assert(uniform_constants[location].ptr); + assert(size >= uniform_constants[location].size); + + *uniform_constants[location].ptr = data; + } + + void set_push_constant(void *data, size_t size) + { + assert(push_constant.ptr); + assert(size >= push_constant.size); + + *push_constant.ptr = data; + } + + void set_resource(unsigned set, unsigned binding, void **data, size_t size) + { + assert(set < SPIRV_CROSS_NUM_DESCRIPTOR_SETS); + assert(binding < SPIRV_CROSS_NUM_DESCRIPTOR_BINDINGS); + assert(resources[set][binding].ptr); + assert(size >= resources[set][binding].size); + + // We're using the regular PointerInterface, dereference ahead of time. + if (resources[set][binding].pre_dereference) + *resources[set][binding].ptr = *data; + else + *resources[set][binding].ptr = data; + } +}; + +namespace spirv_cross +{ +template <typename T> +struct BaseShader : spirv_cross_shader +{ + void invoke() + { + static_cast<T *>(this)->main(); + } +}; + +struct FragmentResources +{ + internal::StageOutput<glm::vec4> gl_FragCoord; + void init(spirv_cross_shader &s) + { + s.register_builtin(SPIRV_CROSS_BUILTIN_FRAG_COORD, gl_FragCoord); + } +#define gl_FragCoord __res->gl_FragCoord.get() +}; + +template <typename T, typename Res> +struct FragmentShader : BaseShader<FragmentShader<T, Res>> +{ + inline void main() + { + impl.main(); + } + + FragmentShader() + { + resources.init(*this); + impl.__res = &resources; + } + + T impl; + Res resources; +}; + +struct VertexResources +{ + internal::StageOutput<glm::vec4> gl_Position; + void init(spirv_cross_shader &s) + { + s.register_builtin(SPIRV_CROSS_BUILTIN_POSITION, gl_Position); + } +#define gl_Position __res->gl_Position.get() +}; + +template <typename T, typename Res> +struct VertexShader : BaseShader<VertexShader<T, Res>> +{ + inline void main() + { + impl.main(); + } + + VertexShader() + { + resources.init(*this); + impl.__res = &resources; + } + + T impl; + Res resources; +}; + +struct TessEvaluationResources +{ + inline void init(spirv_cross_shader &) + { + } +}; + +template <typename T, typename Res> +struct TessEvaluationShader : BaseShader<TessEvaluationShader<T, Res>> +{ + inline void main() + { + impl.main(); + } + + TessEvaluationShader() + { + resources.init(*this); + impl.__res = &resources; + } + + T impl; + Res resources; +}; + +struct TessControlResources +{ + inline void init(spirv_cross_shader &) + { + } +}; + +template <typename T, typename Res> +struct TessControlShader : BaseShader<TessControlShader<T, Res>> +{ + inline void main() + { + impl.main(); + } + + TessControlShader() + { + resources.init(*this); + impl.__res = &resources; + } + + T impl; + Res resources; +}; + +struct GeometryResources +{ + inline void init(spirv_cross_shader &) + { + } +}; + +template <typename T, typename Res> +struct GeometryShader : BaseShader<GeometryShader<T, Res>> +{ + inline void main() + { + impl.main(); + } + + GeometryShader() + { + resources.init(*this); + impl.__res = &resources; + } + + T impl; + Res resources; +}; + +struct ComputeResources +{ + internal::StageInput<glm::uvec3> gl_WorkGroupID__; + internal::StageInput<glm::uvec3> gl_NumWorkGroups__; + void init(spirv_cross_shader &s) + { + s.register_builtin(SPIRV_CROSS_BUILTIN_WORK_GROUP_ID, gl_WorkGroupID__); + s.register_builtin(SPIRV_CROSS_BUILTIN_NUM_WORK_GROUPS, gl_NumWorkGroups__); + } +#define gl_WorkGroupID __res->gl_WorkGroupID__.get() +#define gl_NumWorkGroups __res->gl_NumWorkGroups__.get() + + Barrier barrier__; +#define barrier() __res->barrier__.wait() +}; + +struct ComputePrivateResources +{ + uint32_t gl_LocalInvocationIndex__; +#define gl_LocalInvocationIndex __priv_res.gl_LocalInvocationIndex__ + glm::uvec3 gl_LocalInvocationID__; +#define gl_LocalInvocationID __priv_res.gl_LocalInvocationID__ + glm::uvec3 gl_GlobalInvocationID__; +#define gl_GlobalInvocationID __priv_res.gl_GlobalInvocationID__ +}; + +template <typename T, typename Res, unsigned WorkGroupX, unsigned WorkGroupY, unsigned WorkGroupZ> +struct ComputeShader : BaseShader<ComputeShader<T, Res, WorkGroupX, WorkGroupY, WorkGroupZ>> +{ + inline void main() + { + resources.barrier__.reset_counter(); + + for (unsigned z = 0; z < WorkGroupZ; z++) + for (unsigned y = 0; y < WorkGroupY; y++) + for (unsigned x = 0; x < WorkGroupX; x++) + impl[z][y][x].__priv_res.gl_GlobalInvocationID__ = + glm::uvec3(WorkGroupX, WorkGroupY, WorkGroupZ) * resources.gl_WorkGroupID__.get() + + glm::uvec3(x, y, z); + + group.run(); + group.wait(); + } + + ComputeShader() + : group(&impl[0][0][0]) + { + resources.init(*this); + resources.barrier__.set_release_divisor(WorkGroupX * WorkGroupY * WorkGroupZ); + + unsigned i = 0; + for (unsigned z = 0; z < WorkGroupZ; z++) + { + for (unsigned y = 0; y < WorkGroupY; y++) + { + for (unsigned x = 0; x < WorkGroupX; x++) + { + impl[z][y][x].__priv_res.gl_LocalInvocationID__ = glm::uvec3(x, y, z); + impl[z][y][x].__priv_res.gl_LocalInvocationIndex__ = i++; + impl[z][y][x].__res = &resources; + } + } + } + } + + T impl[WorkGroupZ][WorkGroupY][WorkGroupX]; + ThreadGroup<T, WorkGroupX * WorkGroupY * WorkGroupZ> group; + Res resources; +}; + +inline void memoryBarrierShared() +{ + Barrier::memoryBarrier(); +} +inline void memoryBarrier() +{ + Barrier::memoryBarrier(); +} +// TODO: Rest of the barriers. + +// Atomics +template <typename T> +inline T atomicAdd(T &v, T a) +{ + static_assert(sizeof(std::atomic<T>) == sizeof(T), "Cannot cast properly to std::atomic<T>."); + + // We need explicit memory barriers in GLSL to enfore any ordering. + // FIXME: Can we really cast this? There is no other way I think ... + return std::atomic_fetch_add_explicit(reinterpret_cast<std::atomic<T> *>(&v), a, std::memory_order_relaxed); +} +} + +void spirv_cross_set_stage_input(spirv_cross_shader_t *shader, unsigned location, void *data, size_t size) +{ + shader->set_stage_input(location, data, size); +} + +void spirv_cross_set_stage_output(spirv_cross_shader_t *shader, unsigned location, void *data, size_t size) +{ + shader->set_stage_output(location, data, size); +} + +void spirv_cross_set_uniform_constant(spirv_cross_shader_t *shader, unsigned location, void *data, size_t size) +{ + shader->set_uniform_constant(location, data, size); +} + +void spirv_cross_set_resource(spirv_cross_shader_t *shader, unsigned set, unsigned binding, void **data, size_t size) +{ + shader->set_resource(set, binding, data, size); +} + +void spirv_cross_set_push_constant(spirv_cross_shader_t *shader, void *data, size_t size) +{ + shader->set_push_constant(data, size); +} + +void spirv_cross_set_builtin(spirv_cross_shader_t *shader, spirv_cross_builtin builtin, void *data, size_t size) +{ + shader->set_builtin(builtin, data, size); +} + +#endif diff --git a/thirdparty/spirv-cross/include/spirv_cross/sampler.hpp b/thirdparty/spirv-cross/include/spirv_cross/sampler.hpp new file mode 100644 index 0000000000..0208480951 --- /dev/null +++ b/thirdparty/spirv-cross/include/spirv_cross/sampler.hpp @@ -0,0 +1,106 @@ +/* + * Copyright 2015-2017 ARM Limited + * SPDX-License-Identifier: Apache-2.0 + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef SPIRV_CROSS_SAMPLER_HPP +#define SPIRV_CROSS_SAMPLER_HPP + +#include <vector> + +namespace spirv_cross +{ +struct spirv_cross_sampler_2d +{ + inline virtual ~spirv_cross_sampler_2d() + { + } +}; + +template <typename T> +struct sampler2DBase : spirv_cross_sampler_2d +{ + sampler2DBase(const spirv_cross_sampler_info *info) + { + mips.insert(mips.end(), info->mipmaps, info->mipmaps + info->num_mipmaps); + format = info->format; + wrap_s = info->wrap_s; + wrap_t = info->wrap_t; + min_filter = info->min_filter; + mag_filter = info->mag_filter; + mip_filter = info->mip_filter; + } + + inline virtual T sample(glm::vec2 uv, float bias) + { + return sampleLod(uv, bias); + } + + inline virtual T sampleLod(glm::vec2 uv, float lod) + { + if (mag_filter == SPIRV_CROSS_FILTER_NEAREST) + { + uv.x = wrap(uv.x, wrap_s, mips[0].width); + uv.y = wrap(uv.y, wrap_t, mips[0].height); + glm::vec2 uv_full = uv * glm::vec2(mips[0].width, mips[0].height); + + int x = int(uv_full.x); + int y = int(uv_full.y); + return sample(x, y, 0); + } + else + { + return T(0, 0, 0, 1); + } + } + + inline float wrap(float v, spirv_cross_wrap wrap, unsigned size) + { + switch (wrap) + { + case SPIRV_CROSS_WRAP_REPEAT: + return v - glm::floor(v); + case SPIRV_CROSS_WRAP_CLAMP_TO_EDGE: + { + float half = 0.5f / size; + return glm::clamp(v, half, 1.0f - half); + } + + default: + return 0.0f; + } + } + + std::vector<spirv_cross_miplevel> mips; + spirv_cross_format format; + spirv_cross_wrap wrap_s; + spirv_cross_wrap wrap_t; + spirv_cross_filter min_filter; + spirv_cross_filter mag_filter; + spirv_cross_mipfilter mip_filter; +}; + +typedef sampler2DBase<glm::vec4> sampler2D; +typedef sampler2DBase<glm::ivec4> isampler2D; +typedef sampler2DBase<glm::uvec4> usampler2D; + +template <typename T> +inline T texture(const sampler2DBase<T> &samp, const glm::vec2 &uv, float bias = 0.0f) +{ + return samp.sample(uv, bias); +} +} + +#endif diff --git a/thirdparty/spirv-cross/include/spirv_cross/thread_group.hpp b/thirdparty/spirv-cross/include/spirv_cross/thread_group.hpp new file mode 100644 index 0000000000..b215581562 --- /dev/null +++ b/thirdparty/spirv-cross/include/spirv_cross/thread_group.hpp @@ -0,0 +1,114 @@ +/* + * Copyright 2015-2017 ARM Limited + * SPDX-License-Identifier: Apache-2.0 + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef SPIRV_CROSS_THREAD_GROUP_HPP +#define SPIRV_CROSS_THREAD_GROUP_HPP + +#include <condition_variable> +#include <mutex> +#include <thread> + +namespace spirv_cross +{ +template <typename T, unsigned Size> +class ThreadGroup +{ +public: + ThreadGroup(T *impl) + { + for (unsigned i = 0; i < Size; i++) + workers[i].start(&impl[i]); + } + + void run() + { + for (auto &worker : workers) + worker.run(); + } + + void wait() + { + for (auto &worker : workers) + worker.wait(); + } + +private: + struct Thread + { + enum State + { + Idle, + Running, + Dying + }; + State state = Idle; + + void start(T *impl) + { + worker = std::thread([impl, this] { + for (;;) + { + { + std::unique_lock<std::mutex> l{ lock }; + cond.wait(l, [this] { return state != Idle; }); + if (state == Dying) + break; + } + + impl->main(); + + std::lock_guard<std::mutex> l{ lock }; + state = Idle; + cond.notify_one(); + } + }); + } + + void wait() + { + std::unique_lock<std::mutex> l{ lock }; + cond.wait(l, [this] { return state == Idle; }); + } + + void run() + { + std::lock_guard<std::mutex> l{ lock }; + state = Running; + cond.notify_one(); + } + + ~Thread() + { + if (worker.joinable()) + { + { + std::lock_guard<std::mutex> l{ lock }; + state = Dying; + cond.notify_one(); + } + worker.join(); + } + } + std::thread worker; + std::condition_variable cond; + std::mutex lock; + }; + Thread workers[Size]; +}; +} + +#endif |