004ce8fc4e
Texture buffers are vbos that can be sampled as textures inside shaders. This adds support for them to the Vulkan Backend. Pull Request: https://projects.blender.org/blender/blender/pulls/108193
77 lines
1.9 KiB
C++
77 lines
1.9 KiB
C++
/* SPDX-License-Identifier: GPL-2.0-or-later
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* Copyright 2023 Blender Foundation */
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/** \file
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* \ingroup gpu
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*/
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#pragma once
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#include "gpu_state_private.hh"
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#include "BLI_array.hh"
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#include "vk_sampler.hh"
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namespace blender::gpu {
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class VKTexture;
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class VKUniformBuffer;
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class VKVertexBuffer;
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class VKStateManager : public StateManager {
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/* Dummy sampler for now.*/
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VKSampler sampler_;
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uint texture_unpack_row_length_ = 0;
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struct TextureBinding {
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VKTexture *texture = nullptr;
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/* bufferTextures and samplers share the same namespace. */
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VKVertexBuffer *vertex_buffer = nullptr;
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};
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struct ImageBinding {
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VKTexture *texture = nullptr;
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};
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struct UniformBufferBinding {
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VKUniformBuffer *buffer = nullptr;
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};
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Array<ImageBinding> image_bindings_;
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Array<TextureBinding> texture_bindings_;
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Array<UniformBufferBinding> uniform_buffer_bindings_;
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public:
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VKStateManager();
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void apply_state() override;
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void force_state() override;
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void issue_barrier(eGPUBarrier barrier_bits) override;
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/** Apply resources to the bindings of the active shader.*/
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void apply_bindings();
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void texture_bind(Texture *tex, GPUSamplerState sampler, int unit) override;
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void texture_unbind(Texture *tex) override;
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void texture_unbind_all() override;
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void image_bind(Texture *tex, int unit) override;
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void image_unbind(Texture *tex) override;
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void image_unbind_all() override;
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void uniform_buffer_bind(VKUniformBuffer *uniform_buffer, int slot);
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void uniform_buffer_unbind(VKUniformBuffer *uniform_buffer);
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void texel_buffer_bind(VKVertexBuffer *vertex_buffer, int slot);
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void texel_buffer_unbind(VKVertexBuffer *vertex_buffer);
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void texture_unpack_row_length_set(uint len) override;
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/**
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* Row length for unpacking host data when uploading texture data.
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*
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* When set to zero (0) host data can be assumed to be stored sequential.
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*/
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uint texture_unpack_row_length_get() const;
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};
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} // namespace blender::gpu
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