Overhauled parallax mapping example with multiple modes

This commit is contained in:
saschawillems 2017-03-24 17:58:25 +01:00
parent 182ff9e72d
commit 110005b859
12 changed files with 245 additions and 475 deletions

View file

@ -30,20 +30,12 @@
class VulkanExample : public VulkanExampleBase
{
public:
bool splitScreen = false;
struct {
vks::Texture2D colorMap;
// Normals and height are combined in one texture (height = alpha channel)
// Normals and height are combined into one texture (height = alpha channel)
vks::Texture2D normalHeightMap;
} textures;
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,
@ -66,52 +58,44 @@ public:
struct {
glm::mat4 projection;
glm::mat4 view;
glm::mat4 model;
glm::mat4 normal;
glm::vec4 lightPos = glm::vec4(0.0f);
glm::vec4 lightPos = glm::vec4(0.0f, -2.0f, 0.0f, 1.0f);
glm::vec4 cameraPos;
} vertexShader;
struct {
// Scale and bias control the parallax offset effect
// They need to be tweaked for each material
// Getting them wrong destroys the depth effect
float scale = 0.06f;
float bias = -0.04f;
float lightRadius = 1.0f;
int32_t usePom = 1;
int32_t displayNormalMap = 0;
float heightScale = 0.1f;
// Basic parallax mapping needs a bias to look any good (and is hard to tweak)
float parallaxBias = -0.02f;
// Number of layers for steep parallax and parallax occlusion (more layer = better result for less performance)
float numLayers = 48.0f;
// (Parallax) mapping mode to use
int32_t mappingMode = 4;
} fragmentShader;
} ubos;
struct {
VkPipeline parallaxMapping;
VkPipeline normalMapping;
} pipelines;
VkPipelineLayout pipelineLayout;
VkDescriptorSet descriptorSet;
VkPipeline pipeline;
VkDescriptorSetLayout descriptorSetLayout;
VkDescriptorSet descriptorSet;
VulkanExample() : VulkanExampleBase(ENABLE_VALIDATION)
{
zoom = -2.7f;
rotation = glm::vec3(56.0f, 0.0f, 0.0f);
rotationSpeed = 0.25f;
enableTextOverlay = true;
timerSpeed *= 0.25f;
paused = true;
title = "Vulkan Example - Parallax Mapping";
enableTextOverlay = true;
timerSpeed *= 0.5f;
camera.type = Camera::CameraType::firstperson;
camera.setPosition(glm::vec3(0.0f, 1.25f, 1.5f));
camera.setRotation(glm::vec3(-45.0f, 180.0f, 0.0f));
camera.setPerspective(60.0f, (float)width / (float)height, 0.1f, 256.0f);
}
~VulkanExample()
{
// Clean up used Vulkan resources
// Note : Inherited destructor cleans up resources stored in base class
vkDestroyPipeline(device, pipelines.parallaxMapping, nullptr);
vkDestroyPipeline(device, pipelines.normalMapping, nullptr);
vkDestroyPipeline(device, pipeline, nullptr);
vkDestroyPipelineLayout(device, pipelineLayout, nullptr);
vkDestroyDescriptorSetLayout(device, descriptorSetLayout, nullptr);
@ -127,6 +111,7 @@ public:
void loadAssets()
{
models.quad.loadFromFile(getAssetPath() + "models/plane_z.obj", vertexLayout, 0.1f, vulkanDevice, queue);
// Textures
textures.normalHeightMap.loadFromFile(getAssetPath() + "textures/rocks_normal_height_rgba.dds", VK_FORMAT_R8G8B8A8_UNORM, vulkanDevice, queue);
if (vulkanDevice->features.textureCompressionBC) {
@ -141,17 +126,6 @@ public:
else {
vks::tools::exitFatal("Device does not support any compressed texture format!", "Error");
}
}
void reBuildCommandBuffers()
{
if (!checkCommandBuffers())
{
destroyCommandBuffers();
createCommandBuffers();
}
buildCommandBuffers();
}
void buildCommandBuffers()
@ -180,7 +154,7 @@ public:
vkCmdBeginRenderPass(drawCmdBuffers[i], &renderPassBeginInfo, VK_SUBPASS_CONTENTS_INLINE);
VkViewport viewport = vks::initializers::viewport((splitScreen) ? (float)width / 2.0f : (float)width, (float)height, 0.0f, 1.0f);
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);
@ -192,82 +166,16 @@ public:
vkCmdBindVertexBuffers(drawCmdBuffers[i], VERTEX_BUFFER_BIND_ID, 1, &models.quad.vertices.buffer, offsets);
vkCmdBindIndexBuffer(drawCmdBuffers[i], models.quad.indices.buffer, 0, VK_INDEX_TYPE_UINT32);
// Parallax enabled
vkCmdSetViewport(drawCmdBuffers[i], 0, 1, &viewport);
vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelines.parallaxMapping);
vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipeline);
vkCmdDrawIndexed(drawCmdBuffers[i], models.quad.indexCount, 1, 0, 0, 1);
// Normal mapping
if (splitScreen)
{
viewport.x = (float)width / 2.0f;
vkCmdSetViewport(drawCmdBuffers[i], 0, 1, &viewport);
vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelines.normalMapping);
vkCmdDrawIndexed(drawCmdBuffers[i], models.quad.indexCount, 1, 0, 0, 1);
}
vkCmdEndRenderPass(drawCmdBuffers[i]);
VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));
}
}
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
// Describes memory layout and shader positions
vertices.attributeDescriptions.resize(5);
// 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 : Normal
vertices.attributeDescriptions[2] =
vks::initializers::vertexInputAttributeDescription(
VERTEX_BUFFER_BIND_ID,
2,
VK_FORMAT_R32G32B32_SFLOAT,
sizeof(float) * 5);
// Location 3 : Tangent
vertices.attributeDescriptions[3] =
vks::initializers::vertexInputAttributeDescription(
VERTEX_BUFFER_BIND_ID,
3,
VK_FORMAT_R32G32B32_SFLOAT,
sizeof(float) * 8);
// Location 4 : Bitangent
vertices.attributeDescriptions[4] =
vks::initializers::vertexInputAttributeDescription(
VERTEX_BUFFER_BIND_ID,
4,
VK_FORMAT_R32G32B32_SFLOAT,
sizeof(float) * 11);
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 two ubos and two image sampler
@ -278,44 +186,22 @@ public:
};
VkDescriptorPoolCreateInfo descriptorPoolInfo =
vks::initializers::descriptorPoolCreateInfo(
poolSizes.size(),
poolSizes.data(),
4);
vks::initializers::descriptorPoolCreateInfo(poolSizes, 2);
VK_CHECK_RESULT(vkCreateDescriptorPool(device, &descriptorPoolInfo, nullptr, &descriptorPool));
}
void setupDescriptorSetLayout()
{
std::vector<VkDescriptorSetLayoutBinding> setLayoutBindings =
{
// Binding 0 : Vertex shader uniform buffer
vks::initializers::descriptorSetLayoutBinding(
VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
VK_SHADER_STAGE_VERTEX_BIT,
0),
// Binding 1 : Fragment shader color map image sampler
vks::initializers::descriptorSetLayoutBinding(
VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
VK_SHADER_STAGE_FRAGMENT_BIT,
1),
// Binding 2 : Fragment combined normal and heightmap
vks::initializers::descriptorSetLayoutBinding(
VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
VK_SHADER_STAGE_FRAGMENT_BIT,
2),
// Binding 3 : Fragment shader uniform buffer
vks::initializers::descriptorSetLayoutBinding(
VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
VK_SHADER_STAGE_FRAGMENT_BIT,
3)
std::vector<VkDescriptorSetLayoutBinding> setLayoutBindings = {
vks::initializers::descriptorSetLayoutBinding(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, VK_SHADER_STAGE_VERTEX_BIT, 0), // Binding 0: Vertex shader uniform buffer
vks::initializers::descriptorSetLayoutBinding(VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, VK_SHADER_STAGE_FRAGMENT_BIT, 1), // Binding 1: Fragment shader color map image sampler
vks::initializers::descriptorSetLayoutBinding(VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, VK_SHADER_STAGE_FRAGMENT_BIT, 2), // Binding 2: Fragment combined normal and heightmap
vks::initializers::descriptorSetLayoutBinding(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, VK_SHADER_STAGE_FRAGMENT_BIT, 3), // Binding 3: Fragment shader uniform buffer
};
VkDescriptorSetLayoutCreateInfo descriptorLayout =
vks::initializers::descriptorSetLayoutCreateInfo(
setLayoutBindings.data(),
setLayoutBindings.size());
vks::initializers::descriptorSetLayoutCreateInfo(setLayoutBindings);
VK_CHECK_RESULT(vkCreateDescriptorSetLayout(device, &descriptorLayout, nullptr, &descriptorSetLayout));
@ -337,99 +223,52 @@ public:
VK_CHECK_RESULT(vkAllocateDescriptorSets(device, &allocInfo, &descriptorSet));
std::vector<VkWriteDescriptorSet> writeDescriptorSets =
{
// Binding 0 : Vertex shader uniform buffer
vks::initializers::writeDescriptorSet(
descriptorSet,
VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
0,
&uniformBuffers.vertexShader.descriptor),
// Binding 1 : Fragment shader image sampler
vks::initializers::writeDescriptorSet(
descriptorSet,
VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
1,
&textures.colorMap.descriptor),
// Binding 2 : Combined normal and heightmap
vks::initializers::writeDescriptorSet(
descriptorSet,
VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
2,
&textures.normalHeightMap.descriptor),
// Binding 3 : Fragment shader uniform buffer
vks::initializers::writeDescriptorSet(
descriptorSet,
VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
3,
&uniformBuffers.fragmentShader.descriptor)
std::vector<VkWriteDescriptorSet> writeDescriptorSets = {
vks::initializers::writeDescriptorSet(descriptorSet, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 0, &uniformBuffers.vertexShader.descriptor), // Binding 0: Vertex shader uniform buffer
vks::initializers::writeDescriptorSet(descriptorSet, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1, &textures.colorMap.descriptor), // Binding 1: Fragment shader image sampler
vks::initializers::writeDescriptorSet(descriptorSet, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 2, &textures.normalHeightMap.descriptor), // Binding 2: Combined normal and heightmap
vks::initializers::writeDescriptorSet(descriptorSet, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 3, &uniformBuffers.fragmentShader.descriptor), // Binding 3: Fragment shader uniform buffer
};
vkUpdateDescriptorSets(device, writeDescriptorSets.size(), writeDescriptorSets.data(), 0, NULL);
vkUpdateDescriptorSets(device, static_cast<uint32_t>(writeDescriptorSets.size()), writeDescriptorSets.data(), 0, NULL);
}
void preparePipelines()
{
VkPipelineInputAssemblyStateCreateInfo inputAssemblyState =
vks::initializers::pipelineInputAssemblyStateCreateInfo(
VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST,
0,
VK_FALSE);
vks::initializers::pipelineInputAssemblyStateCreateInfo(VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST, 0, VK_FALSE);
VkPipelineRasterizationStateCreateInfo rasterizationState =
vks::initializers::pipelineRasterizationStateCreateInfo(
VK_POLYGON_MODE_FILL,
VK_CULL_MODE_NONE,
VK_FRONT_FACE_COUNTER_CLOCKWISE,
0);
vks::initializers::pipelineRasterizationStateCreateInfo(VK_POLYGON_MODE_FILL, VK_CULL_MODE_NONE, VK_FRONT_FACE_COUNTER_CLOCKWISE);
VkPipelineColorBlendAttachmentState blendAttachmentState =
vks::initializers::pipelineColorBlendAttachmentState(
0xf,
VK_FALSE);
vks::initializers::pipelineColorBlendAttachmentState(0xf, VK_FALSE);
VkPipelineColorBlendStateCreateInfo colorBlendState =
vks::initializers::pipelineColorBlendStateCreateInfo(
1,
&blendAttachmentState);
vks::initializers::pipelineColorBlendStateCreateInfo(1, &blendAttachmentState);
VkPipelineDepthStencilStateCreateInfo depthStencilState =
vks::initializers::pipelineDepthStencilStateCreateInfo(
VK_TRUE,
VK_TRUE,
VK_COMPARE_OP_LESS_OR_EQUAL);
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);
vks::initializers::pipelineMultisampleStateCreateInfo(VK_SAMPLE_COUNT_1_BIT);
std::vector<VkDynamicState> dynamicStateEnables = {
VK_DYNAMIC_STATE_VIEWPORT,
VK_DYNAMIC_STATE_SCISSOR
};
VkPipelineDynamicStateCreateInfo dynamicState =
vks::initializers::pipelineDynamicStateCreateInfo(
dynamicStateEnables.data(),
dynamicStateEnables.size(),
0);
vks::initializers::pipelineDynamicStateCreateInfo(dynamicStateEnables);
// Parallax mapping pipeline
// Load shaders
std::array<VkPipelineShaderStageCreateInfo, 2> shaderStages;
shaderStages[0] = loadShader(getAssetPath() + "shaders/parallax/parallax.vert.spv", VK_SHADER_STAGE_VERTEX_BIT);
shaderStages[1] = loadShader(getAssetPath() + "shaders/parallax/parallax.frag.spv", VK_SHADER_STAGE_FRAGMENT_BIT);
VkGraphicsPipelineCreateInfo pipelineCreateInfo =
vks::initializers::pipelineCreateInfo(
pipelineLayout,
renderPass,
0);
vks::initializers::pipelineCreateInfo(pipelineLayout, renderPass);
pipelineCreateInfo.pVertexInputState = &vertices.inputState;
pipelineCreateInfo.pInputAssemblyState = &inputAssemblyState;
pipelineCreateInfo.pRasterizationState = &rasterizationState;
pipelineCreateInfo.pColorBlendState = &colorBlendState;
@ -437,15 +276,32 @@ public:
pipelineCreateInfo.pViewportState = &viewportState;
pipelineCreateInfo.pDepthStencilState = &depthStencilState;
pipelineCreateInfo.pDynamicState = &dynamicState;
pipelineCreateInfo.stageCount = shaderStages.size();
pipelineCreateInfo.stageCount = static_cast<uint32_t>(shaderStages.size());
pipelineCreateInfo.pStages = shaderStages.data();
VK_CHECK_RESULT(vkCreateGraphicsPipelines(device, pipelineCache, 1, &pipelineCreateInfo, nullptr, &pipelines.parallaxMapping));
// Vertex bindings an attributes
std::vector<VkVertexInputBindingDescription> vertexInputBindings = {
vks::initializers::vertexInputBindingDescription(0, vertexLayout.stride(), VK_VERTEX_INPUT_RATE_VERTEX),
};
std::vector<VkVertexInputAttributeDescription> vertexInputAttributes = {
vks::initializers::vertexInputAttributeDescription(VERTEX_BUFFER_BIND_ID, 0, VK_FORMAT_R32G32B32_SFLOAT, 0), // Location 0: Position
vks::initializers::vertexInputAttributeDescription(VERTEX_BUFFER_BIND_ID, 1, VK_FORMAT_R32G32_SFLOAT, sizeof(float) * 3), // Location 1: Texture coordinates
vks::initializers::vertexInputAttributeDescription(VERTEX_BUFFER_BIND_ID, 2, VK_FORMAT_R32G32B32_SFLOAT, sizeof(float) * 5), // Location 2: Normal
vks::initializers::vertexInputAttributeDescription(VERTEX_BUFFER_BIND_ID, 3, VK_FORMAT_R32G32B32_SFLOAT, sizeof(float) * 8), // Location 3: Tangent
vks::initializers::vertexInputAttributeDescription(VERTEX_BUFFER_BIND_ID, 4, VK_FORMAT_R32G32B32_SFLOAT, sizeof(float) * 11), // Location 4: Bitangent
};
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();
// Normal mapping (no parallax effect)
shaderStages[0] = loadShader(getAssetPath() + "shaders/parallax/normalmap.vert.spv", VK_SHADER_STAGE_VERTEX_BIT);
shaderStages[1] = loadShader(getAssetPath() + "shaders/parallax/normalmap.frag.spv", VK_SHADER_STAGE_FRAGMENT_BIT);
VK_CHECK_RESULT(vkCreateGraphicsPipelines(device, pipelineCache, 1, &pipelineCreateInfo, nullptr, &pipelines.normalMapping));
pipelineCreateInfo.pVertexInputState = &vertexInputState;
// Parallax mapping modes pipeline
shaderStages[0] = loadShader(getAssetPath() + "shaders/parallax/parallax.vert.spv", VK_SHADER_STAGE_VERTEX_BIT);
shaderStages[1] = loadShader(getAssetPath() + "shaders/parallax/parallax.frag.spv", VK_SHADER_STAGE_FRAGMENT_BIT);
VK_CHECK_RESULT(vkCreateGraphicsPipelines(device, pipelineCache, 1, &pipelineCreateInfo, nullptr, &pipeline));
}
void prepareUniformBuffers()
@ -474,25 +330,17 @@ public:
void updateUniformBuffers()
{
// Vertex shader
glm::mat4 viewMatrix = glm::mat4();
ubos.vertexShader.projection = glm::perspective(glm::radians(45.0f), (float)(width* ((splitScreen) ? 0.5f : 1.0f)) / (float)height, 0.001f, 256.0f);
viewMatrix = glm::translate(viewMatrix, glm::vec3(0.0f, 0.0f, zoom));
ubos.vertexShader.projection = camera.matrices.perspective;
ubos.vertexShader.view = camera.matrices.view;
ubos.vertexShader.model = glm::rotate(glm::mat4(), glm::radians(90.0f), glm::vec3(1.0f, 0.0f, 0.0f));;
ubos.vertexShader.model = glm::rotate(ubos.vertexShader.model, glm::radians(180.0f), glm::vec3(0.0f, 0.0f, 1.0f));;
ubos.vertexShader.model = glm::mat4();
ubos.vertexShader.model = viewMatrix * glm::translate(ubos.vertexShader.model, cameraPos);
ubos.vertexShader.model = glm::rotate(ubos.vertexShader.model, glm::radians(rotation.x), glm::vec3(1.0f, 0.0f, 0.0f));
ubos.vertexShader.model = glm::rotate(ubos.vertexShader.model, glm::radians(rotation.y), glm::vec3(0.0f, 1.0f, 0.0f));
ubos.vertexShader.model = glm::rotate(ubos.vertexShader.model, glm::radians(rotation.z), glm::vec3(0.0f, 0.0f, 1.0f));
ubos.vertexShader.normal = glm::inverseTranspose(ubos.vertexShader.model);
if (!paused)
{
ubos.vertexShader.lightPos.x = sin(glm::radians(timer * 360.0f)) * 0.5f;
ubos.vertexShader.lightPos.y = cos(glm::radians(timer * 360.0f)) * 0.5f;
if (!paused) {
ubos.vertexShader.lightPos.x = sin(glm::radians(timer * 360.0f)) * 1.5f;
ubos.vertexShader.lightPos.z = cos(glm::radians(timer * 360.0f)) * 1.5f;
}
ubos.vertexShader.cameraPos = glm::vec4(0.0, 0.0, zoom, 0.0);
ubos.vertexShader.cameraPos = glm::vec4(camera.position, -1.0f) * -1.0f;
memcpy(uniformBuffers.vertexShader.mapped, &ubos.vertexShader, sizeof(ubos.vertexShader));
@ -503,14 +351,9 @@ public:
void draw()
{
VulkanExampleBase::prepareFrame();
// Command buffer to be sumitted to the queue
submitInfo.commandBufferCount = 1;
submitInfo.pCommandBuffers = &drawCmdBuffers[currentBuffer];
// Submit to queue
VK_CHECK_RESULT(vkQueueSubmit(queue, 1, &submitInfo, VK_NULL_HANDLE));
VulkanExampleBase::submitFrame();
}
@ -518,7 +361,6 @@ public:
{
VulkanExampleBase::prepare();
loadAssets();
setupVertexDescriptions();
prepareUniformBuffers();
setupDescriptorSetLayout();
preparePipelines();
@ -544,54 +386,36 @@ public:
updateUniformBuffers();
}
void toggleParallaxOffset()
{
ubos.fragmentShader.usePom = !ubos.fragmentShader.usePom;
void toggleMappingMode()
{
ubos.fragmentShader.mappingMode++;
if (ubos.fragmentShader.mappingMode > 4) {
ubos.fragmentShader.mappingMode = 0;
};
updateUniformBuffers();
}
void toggleNormalMapDisplay()
{
ubos.fragmentShader.displayNormalMap = !ubos.fragmentShader.displayNormalMap;
updateUniformBuffers();
}
void toggleSplitScreen()
{
splitScreen = !splitScreen;
updateUniformBuffers();
reBuildCommandBuffers();
updateTextOverlay();
}
virtual void keyPressed(uint32_t keyCode)
{
switch (keyCode)
{
case KEY_O:
case KEY_SPACE:
case GAMEPAD_BUTTON_A:
toggleParallaxOffset();
break;
case KEY_N:
case GAMEPAD_BUTTON_X:
toggleNormalMapDisplay();
break;
case KEY_S:
case GAMEPAD_BUTTON_Y:
toggleSplitScreen();
toggleMappingMode();
break;
}
}
virtual void getOverlayText(VulkanTextOverlay *textOverlay)
{
const std::vector<std::string> mappingModes = {
"Color only", "Normal mapping", "Parallax mapping", "Steep parallax mapping", "Parallax occlusion mapping",
};
#if defined(__ANDROID__)
textOverlay->addText("Press \"Button A\" to toggle parallax", 5.0f, 85.0f, VulkanTextOverlay::alignLeft);
textOverlay->addText("Press \"Button X\" to toggle normals", 5.0f, 100.0f, VulkanTextOverlay::alignLeft);
textOverlay->addText("Press \"Button Y\" to toggle splitscreen", 5.0f, 115.0f, VulkanTextOverlay::alignLeft);
#else
textOverlay->addText("Press \"o\" to toggle parallax", 5.0f, 85.0f, VulkanTextOverlay::alignLeft);
textOverlay->addText("Press \"n\" to toggle normals", 5.0f, 100.0f, VulkanTextOverlay::alignLeft);
textOverlay->addText("Press \"s\" to toggle splitscreen", 5.0f, 115.0f, VulkanTextOverlay::alignLeft);
textOverlay->addText("Mode: " + mappingModes[ubos.fragmentShader.mappingMode] + " (\"Button A\")", 5.0f, 85.0f, VulkanTextOverlay::alignLeft);
#else
textOverlay->addText("Mode: " + mappingModes[ubos.fragmentShader.mappingMode] + " (\"Space\")", 5.0f, 85.0f, VulkanTextOverlay::alignLeft);
#endif
}
};