void setupDescriptorSet()
{
// Scene rendering
{
VkDescriptorSetLayout dsl = setLayoutScene;
var info = VkDescriptorSetAllocateInfo.Alloc();
info->setLayouts = dsl;
info->descriptorPool = descriptorPool;
VkDescriptorSet set;
vkAllocateDescriptorSets(device, info, &set);
this.setScene = set;
}
{
var descriptor0 = uniformBufferScene.descriptor;
var descriptor1 = textures_gradient.descriptor;
var writes = VkWriteDescriptorSet.Alloc(2);
{
// Binding 0: Vertex shader uniform buffer
writes[0].dstSet = setScene;
writes[0].data.descriptorType = VkDescriptorType.UniformBuffer;
writes[0].dstBinding = 0;
writes[0].data.Set(descriptor0);
// Binding 1: Color gradient sampler
writes[1].dstSet = setScene;
writes[1].data.descriptorType = VkDescriptorType.CombinedImageSampler;
writes[1].dstBinding = 1;
writes[1].data.Set(descriptor1);
}
vkUpdateDescriptorSets(device, 2, writes, 0, null);
}
// Fullscreen radial blur
{
VkDescriptorSetLayout dsl = setLayoutRadialBlur;
var info = VkDescriptorSetAllocateInfo.Alloc();
info->setLayouts = dsl;
info->descriptorPool = descriptorPool;
VkDescriptorSet set;
vkAllocateDescriptorSets(device, info, &set);
this.setRadialBlur = set;
}
{
VkDescriptorBufferInfo descriptor0 = uniformBufferBlurParams.descriptor;
VkDescriptorImageInfo descriptor1 = offscreenPass.descriptorImage;
var writes = VkWriteDescriptorSet.Alloc(2);
{
// Binding 0: Vertex shader uniform buffer
writes[0].dstSet = setRadialBlur;
writes[0].data.descriptorType = VkDescriptorType.UniformBuffer;
writes[0].dstBinding = 0;
writes[0].data.Set(descriptor0);
// Binding 0: Fragment shader texture sampler
writes[1].dstSet = setRadialBlur;
writes[1].data.descriptorType = VkDescriptorType.CombinedImageSampler;
writes[1].dstBinding = 1;
writes[1].data.Set(descriptor1);
}
vkUpdateDescriptorSets(device, 2, writes, 0, null);
}
}
void setupDescriptorSet()
{
VkDescriptorSetLayout layout = this.layout;
var allocInfo = VkDescriptorSetAllocateInfo.Alloc();
allocInfo[0].descriptorPool = descriptorPool;
allocInfo[0].setLayouts = layout;
{
VkDescriptorSet set;
vkAllocateDescriptorSets(device, allocInfo, &set);
this.descriptorSet = set;
}
// Setup a descriptor image info for the current texture to be used as a combined image sampler
VkDescriptorImageInfo imageInfo;
imageInfo.imageView = texture.view; // The image's view (images are never directly accessed by the shader, but rather through views defining subresources)
imageInfo.sampler = texture.sampler; // The sampler (Telling the pipeline how to sample the texture, including repeat, border, etc.)
imageInfo.imageLayout = texture.imageLayout; // The current layout of the image (Note: Should always fit the actual use, e.g. shader read)
VkDescriptorBufferInfo bufferInfo = uniformBufferVS.descriptor;
var writes = VkWriteDescriptorSet.Alloc(2);
{
// Binding 0 : Vertex shader uniform buffer
writes[0].dstSet = descriptorSet;
writes[0].dstBinding = 0;
writes[0].data.descriptorType = VkDescriptorType.UniformBuffer;
writes[0].data.Set(bufferInfo);
// Binding 1 : Fragment shader texture sampler
// Fragment shader: layout (binding = 1) uniform sampler2D samplerColor;
writes[1].dstSet = descriptorSet;
writes[1].dstBinding = 1;
writes[1].data.descriptorType = VkDescriptorType.CombinedImageSampler;
writes[1].data.Set(imageInfo);
}
vkUpdateDescriptorSets(device, 2, writes, 0, null);
}
