Пример #1
0
        public HelperShader(VulkanRenderer gd, Device device)
        {
            _pipeline = new PipelineHelperShader(gd, device);
            _pipeline.Initialize();

            _samplerLinear  = gd.CreateSampler(GAL.SamplerCreateInfo.Create(MinFilter.Linear, MagFilter.Linear));
            _samplerNearest = gd.CreateSampler(GAL.SamplerCreateInfo.Create(MinFilter.Nearest, MagFilter.Nearest));

            var vertexBindings = new ShaderBindings(
                new[] { 1 },
                Array.Empty <int>(),
                Array.Empty <int>(),
                Array.Empty <int>());

            var fragmentBindings = new ShaderBindings(
                Array.Empty <int>(),
                Array.Empty <int>(),
                new[] { 0 },
                Array.Empty <int>());

            _programColorBlit = gd.CreateProgramWithMinimalLayout(new[]
            {
                new ShaderSource(ShaderBinaries.ColorBlitVertexShaderSource, vertexBindings, ShaderStage.Vertex, TargetLanguage.Glsl),
                new ShaderSource(ShaderBinaries.ColorBlitFragmentShaderSource, fragmentBindings, ShaderStage.Fragment, TargetLanguage.Glsl),
            });

            _programColorBlitClearAlpha = gd.CreateProgramWithMinimalLayout(new[]
            {
                new ShaderSource(ShaderBinaries.ColorBlitVertexShaderSource, vertexBindings, ShaderStage.Vertex, TargetLanguage.Glsl),
                new ShaderSource(ShaderBinaries.ColorBlitClearAlphaFragmentShaderSource, fragmentBindings, ShaderStage.Fragment, TargetLanguage.Glsl),
            });

            var fragmentBindings2 = new ShaderBindings(
                Array.Empty <int>(),
                Array.Empty <int>(),
                Array.Empty <int>(),
                Array.Empty <int>());

            _programColorClear = gd.CreateProgramWithMinimalLayout(new[]
            {
                new ShaderSource(ShaderBinaries.ColorClearVertexShaderSource, vertexBindings, ShaderStage.Vertex, TargetLanguage.Glsl),
                new ShaderSource(ShaderBinaries.ColorClearFragmentShaderSource, fragmentBindings2, ShaderStage.Fragment, TargetLanguage.Glsl),
            });
        }
Пример #2
0
        public DescriptorSetUpdater(VulkanRenderer gd, PipelineBase pipeline)
        {
            _gd       = gd;
            _pipeline = pipeline;

            // Some of the bindings counts needs to be multiplied by 2 because we have buffer and
            // regular textures/images interleaved on the same descriptor set.

            _uniformBufferRefs  = new Auto <DisposableBuffer> [Constants.MaxUniformBufferBindings];
            _storageBufferRefs  = new Auto <DisposableBuffer> [Constants.MaxStorageBufferBindings];
            _textureRefs        = new Auto <DisposableImageView> [Constants.MaxTextureBindings * 2];
            _samplerRefs        = new Auto <DisposableSampler> [Constants.MaxTextureBindings * 2];
            _imageRefs          = new Auto <DisposableImageView> [Constants.MaxImageBindings * 2];
            _bufferTextureRefs  = new TextureBuffer[Constants.MaxTextureBindings * 2];
            _bufferImageRefs    = new TextureBuffer[Constants.MaxImageBindings * 2];
            _bufferImageFormats = new GAL.Format[Constants.MaxImageBindings * 2];

            _uniformBuffers = new DescriptorBufferInfo[Constants.MaxUniformBufferBindings];
            _storageBuffers = new DescriptorBufferInfo[Constants.MaxStorageBufferBindings];
            _textures       = new DescriptorImageInfo[Constants.MaxTexturesPerStage];
            _images         = new DescriptorImageInfo[Constants.MaxImagesPerStage];
            _bufferTextures = new BufferView[Constants.MaxTexturesPerStage];
            _bufferImages   = new BufferView[Constants.MaxImagesPerStage];

            var initialImageInfo = new DescriptorImageInfo()
            {
                ImageLayout = ImageLayout.General
            };

            _textures.AsSpan().Fill(initialImageInfo);
            _images.AsSpan().Fill(initialImageInfo);

            _uniformSet = new bool[Constants.MaxUniformBufferBindings];
            _storageSet = new bool[Constants.MaxStorageBufferBindings];

            if (gd.Capabilities.SupportsNullDescriptors)
            {
                // If null descriptors are supported, we can pass null as the handle.
                _dummyBuffer = null;
            }
            else
            {
                // If null descriptors are not supported, we need to pass the handle of a dummy buffer on unused bindings.
                _dummyBuffer = gd.BufferManager.Create(gd, 0x10000, forConditionalRendering: false, deviceLocal: true);
            }

            _dummyTexture = gd.CreateTextureView(new GAL.TextureCreateInfo(
                                                     1,
                                                     1,
                                                     1,
                                                     1,
                                                     1,
                                                     1,
                                                     1,
                                                     4,
                                                     GAL.Format.R8G8B8A8Unorm,
                                                     DepthStencilMode.Depth,
                                                     Target.Texture2D,
                                                     SwizzleComponent.Red,
                                                     SwizzleComponent.Green,
                                                     SwizzleComponent.Blue,
                                                     SwizzleComponent.Alpha), 1f);

            _dummySampler = (SamplerHolder)gd.CreateSampler(new GAL.SamplerCreateInfo(
                                                                MinFilter.Nearest,
                                                                MagFilter.Nearest,
                                                                false,
                                                                AddressMode.Repeat,
                                                                AddressMode.Repeat,
                                                                AddressMode.Repeat,
                                                                CompareMode.None,
                                                                GAL.CompareOp.Always,
                                                                new ColorF(0, 0, 0, 0),
                                                                0,
                                                                0,
                                                                0,
                                                                1f));
        }