Replace dedicated offscreen command buffer and complicated synchronization with single command buffer and sync via sub pass dependencies
Proper stage and access masks Code cleanup
This commit is contained in:
Sascha Willems
parent
6e26db239e
commit
50e4972d02
1 changed files with 128 additions and 322 deletions
|
|
@ -1,7 +1,7 @@
|
|||
/*
|
||||
* Vulkan Example - Omni directional shadows using a dynamic cube map
|
||||
*
|
||||
* Copyright (C) 2016 by Sascha Willems - www.saschawillems.de
|
||||
* Copyright (C) by Sascha Willems - www.saschawillems.de
|
||||
*
|
||||
* This code is licensed under the MIT license (MIT) (http://opensource.org/licenses/MIT)
|
||||
*/
|
||||
|
|
@ -23,7 +23,6 @@
|
|||
#include "VulkanTexture.hpp"
|
||||
#include "VulkanModel.hpp"
|
||||
|
||||
#define VERTEX_BUFFER_BIND_ID 0
|
||||
#define ENABLE_VALIDATION false
|
||||
|
||||
// Texture properties
|
||||
|
|
@ -42,12 +41,6 @@ public:
|
|||
float zNear = 0.1f;
|
||||
float zFar = 1024.0f;
|
||||
|
||||
struct {
|
||||
VkPipelineVertexInputStateCreateInfo inputState;
|
||||
std::vector<VkVertexInputBindingDescription> bindingDescriptions;
|
||||
std::vector<VkVertexInputAttributeDescription> attributeDescriptions;
|
||||
} vertices;
|
||||
|
||||
// Vertex layout for the models
|
||||
vks::VertexLayout vertexLayout = vks::VertexLayout({
|
||||
vks::VERTEX_COMPONENT_POSITION,
|
||||
|
|
@ -115,21 +108,20 @@ public:
|
|||
VkRenderPass renderPass;
|
||||
VkSampler sampler;
|
||||
VkDescriptorImageInfo descriptor;
|
||||
VkCommandBuffer commandBuffer = VK_NULL_HANDLE;
|
||||
// Semaphore used to synchronize between offscreen and final scene render pass
|
||||
VkSemaphore semaphore = VK_NULL_HANDLE;
|
||||
} offscreenPass;
|
||||
|
||||
VkFormat fbDepthFormat;
|
||||
|
||||
VulkanExample() : VulkanExampleBase(ENABLE_VALIDATION)
|
||||
{
|
||||
zoom = -175.0f;
|
||||
zoomSpeed = 10.0f;
|
||||
timerSpeed *= 0.25f;
|
||||
rotation = { -20.5f, -673.0f, 0.0f };
|
||||
title = "Point light shadows (cubemap)";
|
||||
settings.overlay = true;
|
||||
camera.type = Camera::CameraType::lookat;
|
||||
camera.setPerspective(45.0f, (float)width / (float)height, zNear, zFar);
|
||||
camera.setRotation(glm::vec3(-20.5f, -673.0f, 0.0f));
|
||||
camera.setPosition(glm::vec3(0.0f, 0.0f, -175.0f));
|
||||
zoomSpeed = 10.0f;
|
||||
timerSpeed *= 0.25f;
|
||||
}
|
||||
|
||||
~VulkanExample()
|
||||
|
|
@ -176,9 +168,6 @@ public:
|
|||
// Uniform buffers
|
||||
uniformBuffers.offscreen.destroy();
|
||||
uniformBuffers.scene.destroy();
|
||||
|
||||
vkFreeCommandBuffers(device, cmdPool, 1, &offscreenPass.commandBuffer);
|
||||
vkDestroySemaphore(device, offscreenPass.semaphore, nullptr);
|
||||
}
|
||||
|
||||
void prepareCubeMap()
|
||||
|
|
@ -371,11 +360,9 @@ public:
|
|||
}
|
||||
|
||||
// Updates a single cube map face
|
||||
// Renders the scene with face's view and does
|
||||
// a copy from framebuffer to cube face
|
||||
// Uses push constants for quick update of
|
||||
// view matrix for the current cube map face
|
||||
void updateCubeFace(uint32_t faceIndex)
|
||||
// Renders the scene with face's view and does a copy from framebuffer to cube face
|
||||
// Uses push constants for quick update of view matrix for the current cube map face
|
||||
void updateCubeFace(uint32_t faceIndex, VkCommandBuffer commandBuffer)
|
||||
{
|
||||
VkClearValue clearValues[2];
|
||||
clearValues[0].color = { { 0.0f, 0.0f, 0.0f, 1.0f } };
|
||||
|
|
@ -418,30 +405,30 @@ public:
|
|||
}
|
||||
|
||||
// Render scene from cube face's point of view
|
||||
vkCmdBeginRenderPass(offscreenPass.commandBuffer, &renderPassBeginInfo, VK_SUBPASS_CONTENTS_INLINE);
|
||||
vkCmdBeginRenderPass(commandBuffer, &renderPassBeginInfo, VK_SUBPASS_CONTENTS_INLINE);
|
||||
|
||||
// Update shader push constant block
|
||||
// Contains current face view matrix
|
||||
vkCmdPushConstants(
|
||||
offscreenPass.commandBuffer,
|
||||
commandBuffer,
|
||||
pipelineLayouts.offscreen,
|
||||
VK_SHADER_STAGE_VERTEX_BIT,
|
||||
0,
|
||||
sizeof(glm::mat4),
|
||||
&viewMatrix);
|
||||
|
||||
vkCmdBindPipeline(offscreenPass.commandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, pipelines.offscreen);
|
||||
vkCmdBindDescriptorSets(offscreenPass.commandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineLayouts.offscreen, 0, 1, &descriptorSets.offscreen, 0, NULL);
|
||||
vkCmdBindPipeline(commandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, pipelines.offscreen);
|
||||
vkCmdBindDescriptorSets(commandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineLayouts.offscreen, 0, 1, &descriptorSets.offscreen, 0, NULL);
|
||||
|
||||
VkDeviceSize offsets[1] = { 0 };
|
||||
vkCmdBindVertexBuffers(offscreenPass.commandBuffer, VERTEX_BUFFER_BIND_ID, 1, &models.scene.vertices.buffer, offsets);
|
||||
vkCmdBindIndexBuffer(offscreenPass.commandBuffer, models.scene.indices.buffer, 0, VK_INDEX_TYPE_UINT32);
|
||||
vkCmdDrawIndexed(offscreenPass.commandBuffer, models.scene.indexCount, 1, 0, 0, 0);
|
||||
vkCmdBindVertexBuffers(commandBuffer, 0, 1, &models.scene.vertices.buffer, offsets);
|
||||
vkCmdBindIndexBuffer(commandBuffer, models.scene.indices.buffer, 0, VK_INDEX_TYPE_UINT32);
|
||||
vkCmdDrawIndexed(commandBuffer, models.scene.indexCount, 1, 0, 0, 0);
|
||||
|
||||
vkCmdEndRenderPass(offscreenPass.commandBuffer);
|
||||
vkCmdEndRenderPass(commandBuffer);
|
||||
// Make sure color writes to the framebuffer are finished before using it as transfer source
|
||||
vks::tools::setImageLayout(
|
||||
offscreenPass.commandBuffer,
|
||||
commandBuffer,
|
||||
offscreenPass.color.image,
|
||||
VK_IMAGE_ASPECT_COLOR_BIT,
|
||||
VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
|
||||
|
|
@ -456,7 +443,7 @@ public:
|
|||
|
||||
// Change image layout of one cubemap face to transfer destination
|
||||
vks::tools::setImageLayout(
|
||||
offscreenPass.commandBuffer,
|
||||
commandBuffer,
|
||||
shadowCubeMap.image,
|
||||
VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL,
|
||||
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
|
||||
|
|
@ -483,7 +470,7 @@ public:
|
|||
|
||||
// Put image copy into command buffer
|
||||
vkCmdCopyImage(
|
||||
offscreenPass.commandBuffer,
|
||||
commandBuffer,
|
||||
offscreenPass.color.image,
|
||||
VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
|
||||
shadowCubeMap.image,
|
||||
|
|
@ -493,7 +480,7 @@ public:
|
|||
|
||||
// Transform framebuffer color attachment back
|
||||
vks::tools::setImageLayout(
|
||||
offscreenPass.commandBuffer,
|
||||
commandBuffer,
|
||||
offscreenPass.color.image,
|
||||
VK_IMAGE_ASPECT_COLOR_BIT,
|
||||
VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
|
||||
|
|
@ -501,106 +488,87 @@ public:
|
|||
|
||||
// Change image layout of copied face to shader read
|
||||
vks::tools::setImageLayout(
|
||||
offscreenPass.commandBuffer,
|
||||
commandBuffer,
|
||||
shadowCubeMap.image,
|
||||
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
|
||||
VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL,
|
||||
cubeFaceSubresourceRange);
|
||||
}
|
||||
|
||||
// Command buffer for rendering and copying all cube map faces
|
||||
void buildOffscreenCommandBuffer()
|
||||
{
|
||||
if (offscreenPass.commandBuffer == VK_NULL_HANDLE)
|
||||
{
|
||||
offscreenPass.commandBuffer = VulkanExampleBase::createCommandBuffer(VK_COMMAND_BUFFER_LEVEL_PRIMARY, false);
|
||||
}
|
||||
if (offscreenPass.semaphore == VK_NULL_HANDLE)
|
||||
{
|
||||
// Create a semaphore used to synchronize offscreen rendering and usage
|
||||
VkSemaphoreCreateInfo semaphoreCreateInfo = vks::initializers::semaphoreCreateInfo();
|
||||
VK_CHECK_RESULT(vkCreateSemaphore(device, &semaphoreCreateInfo, nullptr, &offscreenPass.semaphore));
|
||||
}
|
||||
|
||||
VkCommandBufferBeginInfo cmdBufInfo = vks::initializers::commandBufferBeginInfo();
|
||||
|
||||
VK_CHECK_RESULT(vkBeginCommandBuffer(offscreenPass.commandBuffer, &cmdBufInfo));
|
||||
|
||||
VkViewport viewport = vks::initializers::viewport((float)offscreenPass.width, (float)offscreenPass.height, 0.0f, 1.0f);
|
||||
vkCmdSetViewport(offscreenPass.commandBuffer, 0, 1, &viewport);
|
||||
|
||||
VkRect2D scissor = vks::initializers::rect2D(offscreenPass.width, offscreenPass.height, 0, 0);
|
||||
vkCmdSetScissor(offscreenPass.commandBuffer, 0, 1, &scissor);
|
||||
|
||||
for (uint32_t face = 0; face < 6; ++face)
|
||||
{
|
||||
updateCubeFace(face);
|
||||
}
|
||||
|
||||
VK_CHECK_RESULT(vkEndCommandBuffer(offscreenPass.commandBuffer));
|
||||
}
|
||||
|
||||
void buildCommandBuffers()
|
||||
{
|
||||
VkCommandBufferBeginInfo cmdBufInfo = vks::initializers::commandBufferBeginInfo();
|
||||
|
||||
VkClearValue clearValues[2];
|
||||
clearValues[0].color = defaultClearColor;
|
||||
clearValues[1].depthStencil = { 1.0f, 0 };
|
||||
|
||||
VkRenderPassBeginInfo renderPassBeginInfo = vks::initializers::renderPassBeginInfo();
|
||||
renderPassBeginInfo.renderPass = renderPass;
|
||||
renderPassBeginInfo.renderArea.offset.x = 0;
|
||||
renderPassBeginInfo.renderArea.offset.y = 0;
|
||||
renderPassBeginInfo.renderArea.extent.width = width;
|
||||
renderPassBeginInfo.renderArea.extent.height = height;
|
||||
renderPassBeginInfo.clearValueCount = 2;
|
||||
renderPassBeginInfo.pClearValues = clearValues;
|
||||
|
||||
for (int32_t i = 0; i < drawCmdBuffers.size(); ++i)
|
||||
{
|
||||
renderPassBeginInfo.framebuffer = frameBuffers[i];
|
||||
|
||||
VK_CHECK_RESULT(vkBeginCommandBuffer(drawCmdBuffers[i], &cmdBufInfo));
|
||||
|
||||
vkCmdBeginRenderPass(drawCmdBuffers[i], &renderPassBeginInfo, VK_SUBPASS_CONTENTS_INLINE);
|
||||
|
||||
VkViewport viewport = vks::initializers::viewport(
|
||||
(float)width,
|
||||
(float)height,
|
||||
0.0f,
|
||||
1.0f);
|
||||
vkCmdSetViewport(drawCmdBuffers[i], 0, 1, &viewport);
|
||||
|
||||
VkRect2D scissor = vks::initializers::rect2D(
|
||||
width,
|
||||
height,
|
||||
0,
|
||||
0);
|
||||
vkCmdSetScissor(drawCmdBuffers[i], 0, 1, &scissor);
|
||||
|
||||
VkDeviceSize offsets[1] = { 0 };
|
||||
|
||||
vkCmdBindDescriptorSets(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineLayouts.scene, 0, 1, &descriptorSets.scene, 0, NULL);
|
||||
|
||||
if (displayCubeMap)
|
||||
/*
|
||||
Generate shadow cube maps using one render pass per face
|
||||
*/
|
||||
{
|
||||
vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelines.cubeMap);
|
||||
vkCmdBindVertexBuffers(drawCmdBuffers[i], VERTEX_BUFFER_BIND_ID, 1, &models.skybox.vertices.buffer, offsets);
|
||||
vkCmdBindIndexBuffer(drawCmdBuffers[i], models.skybox.indices.buffer, 0, VK_INDEX_TYPE_UINT32);
|
||||
vkCmdDrawIndexed(drawCmdBuffers[i], models.skybox.indexCount, 1, 0, 0, 0);
|
||||
}
|
||||
else
|
||||
{
|
||||
vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelines.scene);
|
||||
vkCmdBindVertexBuffers(drawCmdBuffers[i], VERTEX_BUFFER_BIND_ID, 1, &models.scene.vertices.buffer, offsets);
|
||||
vkCmdBindIndexBuffer(drawCmdBuffers[i], models.scene.indices.buffer, 0, VK_INDEX_TYPE_UINT32);
|
||||
vkCmdDrawIndexed(drawCmdBuffers[i], models.scene.indexCount, 1, 0, 0, 0);
|
||||
VkViewport viewport = vks::initializers::viewport((float)offscreenPass.width, (float)offscreenPass.height, 0.0f, 1.0f);
|
||||
vkCmdSetViewport(drawCmdBuffers[i], 0, 1, &viewport);
|
||||
|
||||
VkRect2D scissor = vks::initializers::rect2D(offscreenPass.width, offscreenPass.height, 0, 0);
|
||||
vkCmdSetScissor(drawCmdBuffers[i], 0, 1, &scissor);
|
||||
|
||||
for (uint32_t face = 0; face < 6; face++) {
|
||||
updateCubeFace(face, drawCmdBuffers[i]);
|
||||
}
|
||||
}
|
||||
|
||||
drawUI(drawCmdBuffers[i]);
|
||||
/*
|
||||
Note: Explicit synchronization is not required between the render pass, as this is done implicit via sub pass dependencies
|
||||
*/
|
||||
|
||||
vkCmdEndRenderPass(drawCmdBuffers[i]);
|
||||
/*
|
||||
Scene rendering with applied shadow map
|
||||
*/
|
||||
{
|
||||
VkClearValue clearValues[2];
|
||||
clearValues[0].color = defaultClearColor;
|
||||
clearValues[1].depthStencil = { 1.0f, 0 };
|
||||
|
||||
VkRenderPassBeginInfo renderPassBeginInfo = vks::initializers::renderPassBeginInfo();
|
||||
renderPassBeginInfo.renderPass = renderPass;
|
||||
renderPassBeginInfo.framebuffer = frameBuffers[i];
|
||||
renderPassBeginInfo.renderArea.extent.width = width;
|
||||
renderPassBeginInfo.renderArea.extent.height = height;
|
||||
renderPassBeginInfo.clearValueCount = 2;
|
||||
renderPassBeginInfo.pClearValues = clearValues;
|
||||
|
||||
vkCmdBeginRenderPass(drawCmdBuffers[i], &renderPassBeginInfo, VK_SUBPASS_CONTENTS_INLINE);
|
||||
|
||||
VkViewport viewport = vks::initializers::viewport((float)width, (float)height, 0.0f, 1.0f);
|
||||
vkCmdSetViewport(drawCmdBuffers[i], 0, 1, &viewport);
|
||||
|
||||
VkRect2D scissor = vks::initializers::rect2D(width, height, 0, 0);
|
||||
vkCmdSetScissor(drawCmdBuffers[i], 0, 1, &scissor);
|
||||
|
||||
VkDeviceSize offsets[1] = { 0 };
|
||||
|
||||
vkCmdBindDescriptorSets(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineLayouts.scene, 0, 1, &descriptorSets.scene, 0, NULL);
|
||||
|
||||
if (displayCubeMap)
|
||||
{
|
||||
vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelines.cubeMap);
|
||||
vkCmdBindVertexBuffers(drawCmdBuffers[i], 0, 1, &models.skybox.vertices.buffer, offsets);
|
||||
vkCmdBindIndexBuffer(drawCmdBuffers[i], models.skybox.indices.buffer, 0, VK_INDEX_TYPE_UINT32);
|
||||
vkCmdDrawIndexed(drawCmdBuffers[i], models.skybox.indexCount, 1, 0, 0, 0);
|
||||
}
|
||||
else
|
||||
{
|
||||
vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelines.scene);
|
||||
vkCmdBindVertexBuffers(drawCmdBuffers[i], 0, 1, &models.scene.vertices.buffer, offsets);
|
||||
vkCmdBindIndexBuffer(drawCmdBuffers[i], models.scene.indices.buffer, 0, VK_INDEX_TYPE_UINT32);
|
||||
vkCmdDrawIndexed(drawCmdBuffers[i], models.scene.indexCount, 1, 0, 0, 0);
|
||||
}
|
||||
|
||||
drawUI(drawCmdBuffers[i]);
|
||||
|
||||
vkCmdEndRenderPass(drawCmdBuffers[i]);
|
||||
}
|
||||
|
||||
VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));
|
||||
}
|
||||
|
|
@ -612,130 +580,49 @@ public:
|
|||
models.scene.loadFromFile(getAssetPath() + "models/shadowscene_fire.dae", vertexLayout, 2.0f, vulkanDevice, queue);
|
||||
}
|
||||
|
||||
void setupVertexDescriptions()
|
||||
{
|
||||
// Binding description
|
||||
vertices.bindingDescriptions.resize(1);
|
||||
vertices.bindingDescriptions[0] =
|
||||
vks::initializers::vertexInputBindingDescription(
|
||||
VERTEX_BUFFER_BIND_ID,
|
||||
vertexLayout.stride(),
|
||||
VK_VERTEX_INPUT_RATE_VERTEX);
|
||||
|
||||
// Attribute descriptions
|
||||
vertices.attributeDescriptions.resize(4);
|
||||
// Location 0 : Position
|
||||
vertices.attributeDescriptions[0] =
|
||||
vks::initializers::vertexInputAttributeDescription(
|
||||
VERTEX_BUFFER_BIND_ID,
|
||||
0,
|
||||
VK_FORMAT_R32G32B32_SFLOAT,
|
||||
0);
|
||||
// Location 1 : Texture coordinates
|
||||
vertices.attributeDescriptions[1] =
|
||||
vks::initializers::vertexInputAttributeDescription(
|
||||
VERTEX_BUFFER_BIND_ID,
|
||||
1,
|
||||
VK_FORMAT_R32G32_SFLOAT,
|
||||
sizeof(float) * 3);
|
||||
// Location 2 : Color
|
||||
vertices.attributeDescriptions[2] =
|
||||
vks::initializers::vertexInputAttributeDescription(
|
||||
VERTEX_BUFFER_BIND_ID,
|
||||
2,
|
||||
VK_FORMAT_R32G32B32_SFLOAT,
|
||||
sizeof(float) * 5);
|
||||
// Location 3 : Normal
|
||||
vertices.attributeDescriptions[3] =
|
||||
vks::initializers::vertexInputAttributeDescription(
|
||||
VERTEX_BUFFER_BIND_ID,
|
||||
3,
|
||||
VK_FORMAT_R32G32B32_SFLOAT,
|
||||
sizeof(float) * 8);
|
||||
|
||||
vertices.inputState = vks::initializers::pipelineVertexInputStateCreateInfo();
|
||||
vertices.inputState.vertexBindingDescriptionCount = vertices.bindingDescriptions.size();
|
||||
vertices.inputState.pVertexBindingDescriptions = vertices.bindingDescriptions.data();
|
||||
vertices.inputState.vertexAttributeDescriptionCount = vertices.attributeDescriptions.size();
|
||||
vertices.inputState.pVertexAttributeDescriptions = vertices.attributeDescriptions.data();
|
||||
}
|
||||
|
||||
void setupDescriptorPool()
|
||||
{
|
||||
// Example uses three ubos and two image samplers
|
||||
std::vector<VkDescriptorPoolSize> poolSizes =
|
||||
{
|
||||
std::vector<VkDescriptorPoolSize> poolSizes = {
|
||||
vks::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 3),
|
||||
vks::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 2)
|
||||
};
|
||||
|
||||
VkDescriptorPoolCreateInfo descriptorPoolInfo =
|
||||
vks::initializers::descriptorPoolCreateInfo(
|
||||
poolSizes.size(),
|
||||
poolSizes.data(),
|
||||
3);
|
||||
|
||||
VkDescriptorPoolCreateInfo descriptorPoolInfo = vks::initializers::descriptorPoolCreateInfo(poolSizes.size(), poolSizes.data(), 3);
|
||||
VK_CHECK_RESULT(vkCreateDescriptorPool(device, &descriptorPoolInfo, nullptr, &descriptorPool));
|
||||
}
|
||||
|
||||
void setupDescriptorSetLayout()
|
||||
{
|
||||
// Shared pipeline layout
|
||||
std::vector<VkDescriptorSetLayoutBinding> setLayoutBindings =
|
||||
{
|
||||
std::vector<VkDescriptorSetLayoutBinding> setLayoutBindings = {
|
||||
// Binding 0 : Vertex shader uniform buffer
|
||||
vks::initializers::descriptorSetLayoutBinding(
|
||||
VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
|
||||
VK_SHADER_STAGE_VERTEX_BIT,
|
||||
0),
|
||||
vks::initializers::descriptorSetLayoutBinding(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, VK_SHADER_STAGE_VERTEX_BIT, 0),
|
||||
// Binding 1 : Fragment shader image sampler (cube map)
|
||||
vks::initializers::descriptorSetLayoutBinding(
|
||||
VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
|
||||
VK_SHADER_STAGE_FRAGMENT_BIT,
|
||||
1)
|
||||
vks::initializers::descriptorSetLayoutBinding(VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, VK_SHADER_STAGE_FRAGMENT_BIT, 1)
|
||||
};
|
||||
|
||||
VkDescriptorSetLayoutCreateInfo descriptorLayout =
|
||||
vks::initializers::descriptorSetLayoutCreateInfo(
|
||||
setLayoutBindings.data(),
|
||||
setLayoutBindings.size());
|
||||
|
||||
VkDescriptorSetLayoutCreateInfo descriptorLayout = vks::initializers::descriptorSetLayoutCreateInfo(setLayoutBindings.data(), setLayoutBindings.size());
|
||||
VK_CHECK_RESULT(vkCreateDescriptorSetLayout(device, &descriptorLayout, nullptr, &descriptorSetLayout));
|
||||
|
||||
// 3D scene pipeline layout
|
||||
VkPipelineLayoutCreateInfo pPipelineLayoutCreateInfo =
|
||||
vks::initializers::pipelineLayoutCreateInfo(
|
||||
&descriptorSetLayout,
|
||||
1);
|
||||
|
||||
VkPipelineLayoutCreateInfo pPipelineLayoutCreateInfo = vks::initializers::pipelineLayoutCreateInfo(&descriptorSetLayout, 1);
|
||||
VK_CHECK_RESULT(vkCreatePipelineLayout(device, &pPipelineLayoutCreateInfo, nullptr, &pipelineLayouts.scene));
|
||||
|
||||
// Offscreen pipeline layout
|
||||
// Push constants for cube map face view matrices
|
||||
VkPushConstantRange pushConstantRange =
|
||||
vks::initializers::pushConstantRange(
|
||||
VK_SHADER_STAGE_VERTEX_BIT,
|
||||
sizeof(glm::mat4),
|
||||
0);
|
||||
|
||||
VkPushConstantRange pushConstantRange = vks::initializers::pushConstantRange(VK_SHADER_STAGE_VERTEX_BIT, sizeof(glm::mat4), 0);
|
||||
// Push constant ranges are part of the pipeline layout
|
||||
pPipelineLayoutCreateInfo.pushConstantRangeCount = 1;
|
||||
pPipelineLayoutCreateInfo.pPushConstantRanges = &pushConstantRange;
|
||||
|
||||
VK_CHECK_RESULT(vkCreatePipelineLayout(device, &pPipelineLayoutCreateInfo, nullptr, &pipelineLayouts.offscreen));
|
||||
}
|
||||
|
||||
void setupDescriptorSets()
|
||||
{
|
||||
VkDescriptorSetAllocateInfo allocInfo =
|
||||
vks::initializers::descriptorSetAllocateInfo(
|
||||
descriptorPool,
|
||||
&descriptorSetLayout,
|
||||
1);
|
||||
VkDescriptorSetAllocateInfo allocInfo = vks::initializers::descriptorSetAllocateInfo(descriptorPool, &descriptorSetLayout, 1);
|
||||
|
||||
// 3D scene
|
||||
VK_CHECK_RESULT(vkAllocateDescriptorSets(device, &allocInfo, &descriptorSets.scene));
|
||||
|
||||
// Image descriptor for the cube map
|
||||
VkDescriptorImageInfo texDescriptor =
|
||||
vks::initializers::descriptorImageInfo(
|
||||
|
|
@ -743,34 +630,19 @@ public:
|
|||
shadowCubeMap.view,
|
||||
VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL);
|
||||
|
||||
std::vector<VkWriteDescriptorSet> sceneDescriptorSets =
|
||||
{
|
||||
std::vector<VkWriteDescriptorSet> sceneDescriptorSets = {
|
||||
// Binding 0 : Vertex shader uniform buffer
|
||||
vks::initializers::writeDescriptorSet(
|
||||
descriptorSets.scene,
|
||||
VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
|
||||
0,
|
||||
&uniformBuffers.scene.descriptor),
|
||||
vks::initializers::writeDescriptorSet(descriptorSets.scene, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 0, &uniformBuffers.scene.descriptor),
|
||||
// Binding 1 : Fragment shader shadow sampler
|
||||
vks::initializers::writeDescriptorSet(
|
||||
descriptorSets.scene,
|
||||
VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
|
||||
1,
|
||||
&texDescriptor)
|
||||
vks::initializers::writeDescriptorSet(descriptorSets.scene, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1, &texDescriptor)
|
||||
};
|
||||
vkUpdateDescriptorSets(device, sceneDescriptorSets.size(), sceneDescriptorSets.data(), 0, NULL);
|
||||
|
||||
// Offscreen
|
||||
VK_CHECK_RESULT(vkAllocateDescriptorSets(device, &allocInfo, &descriptorSets.offscreen));
|
||||
|
||||
std::vector<VkWriteDescriptorSet> offScreenWriteDescriptorSets =
|
||||
{
|
||||
std::vector<VkWriteDescriptorSet> offScreenWriteDescriptorSets = {
|
||||
// Binding 0 : Vertex shader uniform buffer
|
||||
vks::initializers::writeDescriptorSet(
|
||||
descriptorSets.offscreen,
|
||||
VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
|
||||
0,
|
||||
&uniformBuffers.offscreen.descriptor),
|
||||
vks::initializers::writeDescriptorSet(descriptorSets.offscreen, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 0, &uniformBuffers.offscreen.descriptor),
|
||||
};
|
||||
vkUpdateDescriptorSets(device, offScreenWriteDescriptorSets.size(), offScreenWriteDescriptorSets.data(), 0, NULL);
|
||||
}
|
||||
|
|
@ -831,52 +703,15 @@ public:
|
|||
|
||||
void preparePipelines()
|
||||
{
|
||||
VkPipelineInputAssemblyStateCreateInfo inputAssemblyState =
|
||||
vks::initializers::pipelineInputAssemblyStateCreateInfo(
|
||||
VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST,
|
||||
0,
|
||||
VK_FALSE);
|
||||
|
||||
VkPipelineRasterizationStateCreateInfo rasterizationState =
|
||||
vks::initializers::pipelineRasterizationStateCreateInfo(
|
||||
VK_POLYGON_MODE_FILL,
|
||||
VK_CULL_MODE_BACK_BIT,
|
||||
VK_FRONT_FACE_CLOCKWISE,
|
||||
0);
|
||||
|
||||
VkPipelineColorBlendAttachmentState blendAttachmentState =
|
||||
vks::initializers::pipelineColorBlendAttachmentState(
|
||||
0xf,
|
||||
VK_FALSE);
|
||||
|
||||
VkPipelineColorBlendStateCreateInfo colorBlendState =
|
||||
vks::initializers::pipelineColorBlendStateCreateInfo(
|
||||
1,
|
||||
&blendAttachmentState);
|
||||
|
||||
VkPipelineDepthStencilStateCreateInfo depthStencilState =
|
||||
vks::initializers::pipelineDepthStencilStateCreateInfo(
|
||||
VK_TRUE,
|
||||
VK_TRUE,
|
||||
VK_COMPARE_OP_LESS_OR_EQUAL);
|
||||
|
||||
VkPipelineViewportStateCreateInfo viewportState =
|
||||
vks::initializers::pipelineViewportStateCreateInfo(1, 1, 0);
|
||||
|
||||
VkPipelineMultisampleStateCreateInfo multisampleState =
|
||||
vks::initializers::pipelineMultisampleStateCreateInfo(
|
||||
VK_SAMPLE_COUNT_1_BIT,
|
||||
0);
|
||||
|
||||
std::vector<VkDynamicState> dynamicStateEnables = {
|
||||
VK_DYNAMIC_STATE_VIEWPORT,
|
||||
VK_DYNAMIC_STATE_SCISSOR
|
||||
};
|
||||
VkPipelineDynamicStateCreateInfo dynamicState =
|
||||
vks::initializers::pipelineDynamicStateCreateInfo(
|
||||
dynamicStateEnables.data(),
|
||||
dynamicStateEnables.size(),
|
||||
0);
|
||||
VkPipelineInputAssemblyStateCreateInfo inputAssemblyState = vks::initializers::pipelineInputAssemblyStateCreateInfo(VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST, 0, VK_FALSE);
|
||||
VkPipelineRasterizationStateCreateInfo rasterizationState = vks::initializers::pipelineRasterizationStateCreateInfo(VK_POLYGON_MODE_FILL, VK_CULL_MODE_BACK_BIT, VK_FRONT_FACE_CLOCKWISE, 0);
|
||||
VkPipelineColorBlendAttachmentState blendAttachmentState = vks::initializers::pipelineColorBlendAttachmentState(0xf, VK_FALSE);
|
||||
VkPipelineColorBlendStateCreateInfo colorBlendState = vks::initializers::pipelineColorBlendStateCreateInfo(1, &blendAttachmentState);
|
||||
VkPipelineDepthStencilStateCreateInfo depthStencilState = vks::initializers::pipelineDepthStencilStateCreateInfo(VK_TRUE, VK_TRUE, VK_COMPARE_OP_LESS_OR_EQUAL);
|
||||
VkPipelineViewportStateCreateInfo viewportState = vks::initializers::pipelineViewportStateCreateInfo(1, 1, 0);
|
||||
VkPipelineMultisampleStateCreateInfo multisampleState = vks::initializers::pipelineMultisampleStateCreateInfo(VK_SAMPLE_COUNT_1_BIT, 0);
|
||||
std::vector<VkDynamicState> dynamicStateEnables = { VK_DYNAMIC_STATE_VIEWPORT, VK_DYNAMIC_STATE_SCISSOR };
|
||||
VkPipelineDynamicStateCreateInfo dynamicState = vks::initializers::pipelineDynamicStateCreateInfo(dynamicStateEnables.data(), dynamicStateEnables.size(), 0);
|
||||
|
||||
// 3D scene pipeline
|
||||
// Load shaders
|
||||
|
|
@ -885,13 +720,7 @@ public:
|
|||
shaderStages[0] = loadShader(getAssetPath() + "shaders/shadowmapomni/scene.vert.spv", VK_SHADER_STAGE_VERTEX_BIT);
|
||||
shaderStages[1] = loadShader(getAssetPath() + "shaders/shadowmapomni/scene.frag.spv", VK_SHADER_STAGE_FRAGMENT_BIT);
|
||||
|
||||
VkGraphicsPipelineCreateInfo pipelineCreateInfo =
|
||||
vks::initializers::pipelineCreateInfo(
|
||||
pipelineLayouts.scene,
|
||||
renderPass,
|
||||
0);
|
||||
|
||||
pipelineCreateInfo.pVertexInputState = &vertices.inputState;
|
||||
VkGraphicsPipelineCreateInfo pipelineCreateInfo = vks::initializers::pipelineCreateInfo(pipelineLayouts.scene, renderPass, 0);
|
||||
pipelineCreateInfo.pInputAssemblyState = &inputAssemblyState;
|
||||
pipelineCreateInfo.pRasterizationState = &rasterizationState;
|
||||
pipelineCreateInfo.pColorBlendState = &colorBlendState;
|
||||
|
|
@ -902,6 +731,22 @@ public:
|
|||
pipelineCreateInfo.stageCount = shaderStages.size();
|
||||
pipelineCreateInfo.pStages = shaderStages.data();
|
||||
|
||||
// Vertex bindings and attributes
|
||||
std::vector<VkVertexInputBindingDescription> vertexInputBindings = {
|
||||
vks::initializers::vertexInputBindingDescription(0, vertexLayout.stride(), VK_VERTEX_INPUT_RATE_VERTEX),
|
||||
};
|
||||
std::vector<VkVertexInputAttributeDescription> vertexInputAttributes = {
|
||||
vks::initializers::vertexInputAttributeDescription(0, 0, VK_FORMAT_R32G32B32_SFLOAT, 0), // Position
|
||||
vks::initializers::vertexInputAttributeDescription(0, 1, VK_FORMAT_R32G32_SFLOAT, sizeof(float) * 3), // Texture coordinates
|
||||
vks::initializers::vertexInputAttributeDescription(0, 2, VK_FORMAT_R32G32B32_SFLOAT, sizeof(float) * 5), // Color
|
||||
vks::initializers::vertexInputAttributeDescription(0, 3, VK_FORMAT_R32G32B32_SFLOAT, sizeof(float) * 8), // Normal
|
||||
};
|
||||
VkPipelineVertexInputStateCreateInfo vertexInputState = vks::initializers::pipelineVertexInputStateCreateInfo();
|
||||
vertexInputState.vertexBindingDescriptionCount = static_cast<uint32_t>(vertexInputBindings.size());
|
||||
vertexInputState.pVertexBindingDescriptions = vertexInputBindings.data();
|
||||
vertexInputState.vertexAttributeDescriptionCount = static_cast<uint32_t>(vertexInputAttributes.size());
|
||||
vertexInputState.pVertexAttributeDescriptions = vertexInputAttributes.data();
|
||||
pipelineCreateInfo.pVertexInputState = &vertexInputState;
|
||||
VK_CHECK_RESULT(vkCreateGraphicsPipelines(device, pipelineCache, 1, &pipelineCreateInfo, nullptr, &pipelines.scene));
|
||||
|
||||
// Cube map display pipeline
|
||||
|
|
@ -946,16 +791,10 @@ public:
|
|||
|
||||
void updateUniformBuffers()
|
||||
{
|
||||
uboVSscene.projection = glm::perspective(glm::radians(45.0f), (float)width / (float)height, zNear, zFar);
|
||||
uboVSscene.view = glm::translate(glm::mat4(1.0f), glm::vec3(0.0f, 0.0f, displayCubeMap ? 0.0f : zoom));
|
||||
|
||||
uboVSscene.projection = camera.matrices.perspective;
|
||||
uboVSscene.view = camera.matrices.view;
|
||||
uboVSscene.model = glm::mat4(1.0f);
|
||||
uboVSscene.model = glm::rotate(uboVSscene.model, glm::radians(rotation.x), glm::vec3(1.0f, 0.0f, 0.0f));
|
||||
uboVSscene.model = glm::rotate(uboVSscene.model, glm::radians(rotation.y), glm::vec3(0.0f, 1.0f, 0.0f));
|
||||
uboVSscene.model = glm::rotate(uboVSscene.model, glm::radians(rotation.z), glm::vec3(0.0f, 0.0f, 1.0f));
|
||||
|
||||
uboVSscene.lightPos = lightPos;
|
||||
|
||||
memcpy(uniformBuffers.scene.mapped, &uboVSscene, sizeof(uboVSscene));
|
||||
}
|
||||
|
||||
|
|
@ -963,44 +802,19 @@ public:
|
|||
{
|
||||
lightPos.x = sin(glm::radians(timer * 360.0f)) * 1.0f;
|
||||
lightPos.z = cos(glm::radians(timer * 360.0f)) * 1.0f;
|
||||
|
||||
uboOffscreenVS.projection = glm::perspective((float)(M_PI / 2.0), 1.0f, zNear, zFar);
|
||||
|
||||
uboOffscreenVS.view = glm::mat4(1.0f);
|
||||
uboOffscreenVS.model = glm::translate(glm::mat4(1.0f), glm::vec3(-lightPos.x, -lightPos.y, -lightPos.z));
|
||||
|
||||
uboOffscreenVS.lightPos = lightPos;
|
||||
|
||||
memcpy(uniformBuffers.offscreen.mapped, &uboOffscreenVS, sizeof(uboOffscreenVS));
|
||||
}
|
||||
|
||||
void draw()
|
||||
{
|
||||
VulkanExampleBase::prepareFrame();
|
||||
|
||||
// Offscreen rendering
|
||||
|
||||
// Wait for swap chain presentation to finish
|
||||
submitInfo.pWaitSemaphores = &semaphores.presentComplete;
|
||||
// Signal ready with offscreen semaphore
|
||||
submitInfo.pSignalSemaphores = &offscreenPass.semaphore;
|
||||
|
||||
// Submit work
|
||||
submitInfo.commandBufferCount = 1;
|
||||
submitInfo.pCommandBuffers = &offscreenPass.commandBuffer;
|
||||
VK_CHECK_RESULT(vkQueueSubmit(queue, 1, &submitInfo, VK_NULL_HANDLE));
|
||||
|
||||
// Scene rendering
|
||||
|
||||
// Wait for offscreen semaphore
|
||||
submitInfo.pWaitSemaphores = &offscreenPass.semaphore;
|
||||
// Signal ready with render complete semaphpre
|
||||
submitInfo.pSignalSemaphores = &semaphores.renderComplete;
|
||||
|
||||
// Submit work
|
||||
submitInfo.pCommandBuffers = &drawCmdBuffers[currentBuffer];
|
||||
VK_CHECK_RESULT(vkQueueSubmit(queue, 1, &submitInfo, VK_NULL_HANDLE));
|
||||
|
||||
VulkanExampleBase::submitFrame();
|
||||
}
|
||||
|
||||
|
|
@ -1008,7 +822,6 @@ public:
|
|||
{
|
||||
VulkanExampleBase::prepare();
|
||||
loadAssets();
|
||||
setupVertexDescriptions();
|
||||
prepareUniformBuffers();
|
||||
prepareCubeMap();
|
||||
setupDescriptorSetLayout();
|
||||
|
|
@ -1018,7 +831,6 @@ public:
|
|||
setupDescriptorSets();
|
||||
prepareOffscreenFramebuffer();
|
||||
buildCommandBuffers();
|
||||
buildOffscreenCommandBuffer();
|
||||
prepared = true;
|
||||
}
|
||||
|
||||
|
|
@ -1027,19 +839,13 @@ public:
|
|||
if (!prepared)
|
||||
return;
|
||||
draw();
|
||||
if (!paused)
|
||||
if (!paused || camera.updated)
|
||||
{
|
||||
updateUniformBufferOffscreen();
|
||||
updateUniformBuffers();
|
||||
}
|
||||
}
|
||||
|
||||
virtual void viewChanged()
|
||||
{
|
||||
updateUniformBufferOffscreen();
|
||||
updateUniformBuffers();
|
||||
}
|
||||
|
||||
virtual void OnUpdateUIOverlay(vks::UIOverlay *overlay)
|
||||
{
|
||||
if (overlay->header("Settings")) {
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue