Added screenshot taking example
This commit is contained in:
saschawillems
parent
ffd0bbdacc
commit
deed78921c
9 changed files with 757 additions and 0 deletions
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@ -122,6 +122,7 @@ set(EXAMPLES
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radialblur
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raytracing
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scenerendering
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screenshot
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shadowmapping
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shadowmappingomni
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skeletalanimation
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23
data/shaders/screenshot/mesh.frag
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data/shaders/screenshot/mesh.frag
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#version 450
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#extension GL_ARB_separate_shader_objects : enable
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#extension GL_ARB_shading_language_420pack : enable
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layout (location = 0) in vec3 inNormal;
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layout (location = 1) in vec3 inColor;
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layout (location = 2) in vec3 inViewVec;
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layout (location = 3) in vec3 inLightVec;
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layout (location = 0) out vec4 outFragColor;
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void main()
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{
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vec3 N = normalize(inNormal);
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vec3 L = normalize(inLightVec);
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vec3 V = normalize(inViewVec);
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vec3 R = reflect(-L, N);
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vec3 ambient = vec3(0.1);
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vec3 diffuse = max(dot(N, L), 0.0) * vec3(1.0);
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vec3 specular = pow(max(dot(R, V), 0.0), 16.0) * vec3(0.75);
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outFragColor = vec4((ambient + diffuse) * inColor.rgb + specular, 1.0);
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}
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BIN
data/shaders/screenshot/mesh.frag.spv
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BIN
data/shaders/screenshot/mesh.frag.spv
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Binary file not shown.
39
data/shaders/screenshot/mesh.vert
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data/shaders/screenshot/mesh.vert
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#version 450
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#extension GL_ARB_separate_shader_objects : enable
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#extension GL_ARB_shading_language_420pack : enable
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layout (location = 0) in vec4 inPos;
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layout (location = 1) in vec3 inNormal;
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layout (location = 2) in vec3 inColor;
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layout (set = 0, binding = 0) uniform UBO
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{
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mat4 projection;
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mat4 view;
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mat4 model;
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} ubo;
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layout (location = 0) out vec3 outNormal;
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layout (location = 1) out vec3 outColor;
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layout (location = 2) out vec3 outViewVec;
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layout (location = 3) out vec3 outLightVec;
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out gl_PerVertex
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{
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vec4 gl_Position;
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};
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void main()
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{
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outNormal = inNormal;
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outColor = inColor;
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gl_Position = ubo.projection * ubo.view * ubo.model * inPos;
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vec4 pos = ubo.view * ubo.model * vec4(inPos.xyz, 1.0);
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outNormal = mat3(ubo.model) * inNormal;
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vec3 lightPos = vec3(1.0f, -1.0f, 1.0f);
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outLightVec = lightPos.xyz - pos.xyz;
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outViewVec = -pos.xyz;
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}
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BIN
data/shaders/screenshot/mesh.vert.spv
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BIN
data/shaders/screenshot/mesh.vert.spv
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Binary file not shown.
554
screenshot/screenshot.cpp
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554
screenshot/screenshot.cpp
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@ -0,0 +1,554 @@
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/*
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* Vulkan Example - Taking screenshots
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*
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* Copyright (C) 2016 by Sascha Willems - www.saschawillems.de
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*
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* This code is licensed under the MIT license (MIT) (http://opensource.org/licenses/MIT)
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <assert.h>
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#include <vector>
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#define GLM_FORCE_RADIANS
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#define GLM_FORCE_DEPTH_ZERO_TO_ONE
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#include <glm/glm.hpp>
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#include <glm/gtc/matrix_transform.hpp>
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#include <vulkan/vulkan.h>
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#include "vulkanexamplebase.h"
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#define VERTEX_BUFFER_BIND_ID 0
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#define ENABLE_VALIDATION false
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// Vertex layout for this example
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std::vector<vkMeshLoader::VertexLayout> vertexLayout =
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{
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vkMeshLoader::VERTEX_LAYOUT_POSITION,
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vkMeshLoader::VERTEX_LAYOUT_NORMAL,
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vkMeshLoader::VERTEX_LAYOUT_COLOR
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};
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class VulkanExample : public VulkanExampleBase
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{
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public:
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struct {
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VkPipelineVertexInputStateCreateInfo inputState;
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std::vector<VkVertexInputBindingDescription> bindingDescriptions;
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std::vector<VkVertexInputAttributeDescription> attributeDescriptions;
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} vertices;
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struct {
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vkMeshLoader::MeshBuffer object;
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} meshes;
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vk::Buffer uniformBuffer;
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struct {
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glm::mat4 projection;
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glm::mat4 model;
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glm::mat4 view;
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int32_t texIndex = 0;
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} uboVS;
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VkPipelineLayout pipelineLayout;
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VkPipeline pipeline;
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VkDescriptorSetLayout descriptorSetLayout;
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VkDescriptorSet descriptorSet;
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VulkanExample() : VulkanExampleBase(ENABLE_VALIDATION)
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{
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title = "Vulkan Example - Screenshot";
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enableTextOverlay = true;
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camera.type = Camera::CameraType::lookat;
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camera.setPerspective(60.0f, (float)width / (float)height, 0.1f, 512.0f);
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camera.setRotation(glm::vec3(-25.0f, 23.75f, 0.0f));
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camera.setTranslation(glm::vec3(0.0f, 0.0f, -2.0f));
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}
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~VulkanExample()
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{
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// Clean up used Vulkan resources
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// Note : Inherited destructor cleans up resources stored in base class
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vkDestroyPipeline(device, pipeline, nullptr);
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vkDestroyPipelineLayout(device, pipelineLayout, nullptr);
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vkDestroyDescriptorSetLayout(device, descriptorSetLayout, nullptr);
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vkMeshLoader::freeMeshBufferResources(device, &meshes.object);
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uniformBuffer.destroy();
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}
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void loadAssets()
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{
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loadMesh(getAssetPath() + "models/chinesedragon.dae", &meshes.object, vertexLayout, 0.1f);
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}
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void buildCommandBuffers()
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{
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VkCommandBufferBeginInfo cmdBufInfo = vkTools::initializers::commandBufferBeginInfo();
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VkClearValue clearValues[2];
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clearValues[0].color = defaultClearColor;
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clearValues[1].depthStencil = { 1.0f, 0 };
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VkRenderPassBeginInfo renderPassBeginInfo = vkTools::initializers::renderPassBeginInfo();
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renderPassBeginInfo.renderPass = renderPass;
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renderPassBeginInfo.renderArea.offset.x = 0;
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renderPassBeginInfo.renderArea.offset.y = 0;
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renderPassBeginInfo.renderArea.extent.width = width;
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renderPassBeginInfo.renderArea.extent.height = height;
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renderPassBeginInfo.clearValueCount = 2;
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renderPassBeginInfo.pClearValues = clearValues;
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for (int32_t i = 0; i < drawCmdBuffers.size(); ++i)
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{
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// Set target frame buffer
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renderPassBeginInfo.framebuffer = frameBuffers[i];
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VK_CHECK_RESULT(vkBeginCommandBuffer(drawCmdBuffers[i], &cmdBufInfo));
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vkCmdBeginRenderPass(drawCmdBuffers[i], &renderPassBeginInfo, VK_SUBPASS_CONTENTS_INLINE);
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VkViewport viewport = vkTools::initializers::viewport((float)width, (float)height, 0.0f, 1.0f);
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vkCmdSetViewport(drawCmdBuffers[i], 0, 1, &viewport);
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VkRect2D scissor = vkTools::initializers::rect2D(width, height, 0, 0);
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vkCmdSetScissor(drawCmdBuffers[i], 0, 1, &scissor);
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vkCmdBindDescriptorSets(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineLayout, 0, 1, &descriptorSet, 0, NULL);
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vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipeline);
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VkDeviceSize offsets[1] = { 0 };
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vkCmdBindVertexBuffers(drawCmdBuffers[i], VERTEX_BUFFER_BIND_ID, 1, &meshes.object.vertices.buf, offsets);
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vkCmdBindIndexBuffer(drawCmdBuffers[i], meshes.object.indices.buf, 0, VK_INDEX_TYPE_UINT32);
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vkCmdDrawIndexed(drawCmdBuffers[i], meshes.object.indexCount, 1, 0, 0, 0);
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vkCmdEndRenderPass(drawCmdBuffers[i]);
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VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));
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}
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}
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void prepareVertices()
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{
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// Binding description
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vertices.bindingDescriptions.resize(1);
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vertices.bindingDescriptions[0] =
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vkTools::initializers::vertexInputBindingDescription(
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VERTEX_BUFFER_BIND_ID,
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vkMeshLoader::vertexSize(vertexLayout),
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VK_VERTEX_INPUT_RATE_VERTEX);
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// Attribute descriptions
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// Describes memory layout and shader positions
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vertices.attributeDescriptions.resize(4);
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// Location 0 : Position
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vertices.attributeDescriptions[0] =
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vkTools::initializers::vertexInputAttributeDescription(
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VERTEX_BUFFER_BIND_ID,
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0,
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VK_FORMAT_R32G32B32_SFLOAT,
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0);
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// Location 1 : Normal
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vertices.attributeDescriptions[1] =
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vkTools::initializers::vertexInputAttributeDescription(
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VERTEX_BUFFER_BIND_ID,
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1,
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VK_FORMAT_R32G32B32_SFLOAT,
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sizeof(float) * 3);
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// Location 2 : Texture coordinates
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vertices.attributeDescriptions[2] =
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vkTools::initializers::vertexInputAttributeDescription(
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VERTEX_BUFFER_BIND_ID,
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2,
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VK_FORMAT_R32G32_SFLOAT,
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sizeof(float) * 6);
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// Location 3 : Color
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vertices.attributeDescriptions[3] =
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vkTools::initializers::vertexInputAttributeDescription(
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VERTEX_BUFFER_BIND_ID,
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3,
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VK_FORMAT_R32G32B32_SFLOAT,
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sizeof(float) * 8);
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vertices.inputState = vkTools::initializers::pipelineVertexInputStateCreateInfo();
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vertices.inputState.vertexBindingDescriptionCount = vertices.bindingDescriptions.size();
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vertices.inputState.pVertexBindingDescriptions = vertices.bindingDescriptions.data();
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vertices.inputState.vertexAttributeDescriptionCount = vertices.attributeDescriptions.size();
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vertices.inputState.pVertexAttributeDescriptions = vertices.attributeDescriptions.data();
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}
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void setupDescriptorPool()
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{
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// Example uses one ubo and one image sampler
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std::vector<VkDescriptorPoolSize> poolSizes = {
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vkTools::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1),
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};
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VkDescriptorPoolCreateInfo descriptorPoolInfo =
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vkTools::initializers::descriptorPoolCreateInfo(
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poolSizes.size(),
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poolSizes.data(),
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2);
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VK_CHECK_RESULT(vkCreateDescriptorPool(device, &descriptorPoolInfo, nullptr, &descriptorPool));
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}
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void setupDescriptorSetLayout()
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{
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std::vector<VkDescriptorSetLayoutBinding> setLayoutBindings = {
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vkTools::initializers::descriptorSetLayoutBinding(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, VK_SHADER_STAGE_VERTEX_BIT, 0), // Binding 0 : Vertex shader uniform buffer
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};
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VkDescriptorSetLayoutCreateInfo descriptorLayout =
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vkTools::initializers::descriptorSetLayoutCreateInfo(
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setLayoutBindings.data(),
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setLayoutBindings.size());
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VK_CHECK_RESULT(vkCreateDescriptorSetLayout(device, &descriptorLayout, nullptr, &descriptorSetLayout));
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VkPipelineLayoutCreateInfo pPipelineLayoutCreateInfo =
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vkTools::initializers::pipelineLayoutCreateInfo(
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&descriptorSetLayout,
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1);
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VK_CHECK_RESULT(vkCreatePipelineLayout(device, &pPipelineLayoutCreateInfo, nullptr, &pipelineLayout));
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}
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void setupDescriptorSet()
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{
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VkDescriptorSetAllocateInfo allocInfo =
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vkTools::initializers::descriptorSetAllocateInfo(
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descriptorPool,
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&descriptorSetLayout,
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1);
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VK_CHECK_RESULT(vkAllocateDescriptorSets(device, &allocInfo, &descriptorSet));
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std::vector<VkWriteDescriptorSet> writeDescriptorSets = {
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vkTools::initializers::writeDescriptorSet(descriptorSet, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 0, &uniformBuffer.descriptor), // Binding 0 : Vertex shader uniform buffer
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};
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vkUpdateDescriptorSets(device, writeDescriptorSets.size(), writeDescriptorSets.data(), 0, NULL);
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}
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void preparePipelines()
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{
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VkPipelineInputAssemblyStateCreateInfo inputAssemblyState =
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vkTools::initializers::pipelineInputAssemblyStateCreateInfo(
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VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST,
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0,
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VK_FALSE);
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VkPipelineRasterizationStateCreateInfo rasterizationState =
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vkTools::initializers::pipelineRasterizationStateCreateInfo(
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VK_POLYGON_MODE_FILL,
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VK_CULL_MODE_BACK_BIT,
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VK_FRONT_FACE_CLOCKWISE,
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0);
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VkPipelineColorBlendAttachmentState blendAttachmentState =
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vkTools::initializers::pipelineColorBlendAttachmentState(
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0xf,
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VK_FALSE);
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VkPipelineColorBlendStateCreateInfo colorBlendState =
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vkTools::initializers::pipelineColorBlendStateCreateInfo(
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1,
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&blendAttachmentState);
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VkPipelineDepthStencilStateCreateInfo depthStencilState =
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vkTools::initializers::pipelineDepthStencilStateCreateInfo(
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VK_TRUE,
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VK_TRUE,
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VK_COMPARE_OP_LESS_OR_EQUAL);
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VkPipelineViewportStateCreateInfo viewportState =
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vkTools::initializers::pipelineViewportStateCreateInfo(1, 1, 0);
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VkPipelineMultisampleStateCreateInfo multisampleState =
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vkTools::initializers::pipelineMultisampleStateCreateInfo(
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VK_SAMPLE_COUNT_1_BIT,
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0);
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std::vector<VkDynamicState> dynamicStateEnables = {
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VK_DYNAMIC_STATE_VIEWPORT,
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VK_DYNAMIC_STATE_SCISSOR
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};
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VkPipelineDynamicStateCreateInfo dynamicState =
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vkTools::initializers::pipelineDynamicStateCreateInfo(
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dynamicStateEnables.data(),
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dynamicStateEnables.size(),
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0);
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// Spherical environment rendering pipeline
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// Load shaders
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std::array<VkPipelineShaderStageCreateInfo, 2> shaderStages;
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shaderStages[0] = loadShader(getAssetPath() + "shaders/screenshot/mesh.vert.spv", VK_SHADER_STAGE_VERTEX_BIT);
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shaderStages[1] = loadShader(getAssetPath() + "shaders/screenshot/mesh.frag.spv", VK_SHADER_STAGE_FRAGMENT_BIT);
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VkGraphicsPipelineCreateInfo pipelineCreateInfo =
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vkTools::initializers::pipelineCreateInfo(
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pipelineLayout,
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renderPass,
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0);
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pipelineCreateInfo.pVertexInputState = &vertices.inputState;
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pipelineCreateInfo.pInputAssemblyState = &inputAssemblyState;
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pipelineCreateInfo.pRasterizationState = &rasterizationState;
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pipelineCreateInfo.pColorBlendState = &colorBlendState;
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pipelineCreateInfo.pMultisampleState = &multisampleState;
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pipelineCreateInfo.pViewportState = &viewportState;
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pipelineCreateInfo.pDepthStencilState = &depthStencilState;
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pipelineCreateInfo.pDynamicState = &dynamicState;
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pipelineCreateInfo.stageCount = shaderStages.size();
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pipelineCreateInfo.pStages = shaderStages.data();
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VK_CHECK_RESULT(vkCreateGraphicsPipelines(device, pipelineCache, 1, &pipelineCreateInfo, nullptr, &pipeline));
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}
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void prepareUniformBuffers()
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{
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// Vertex shader uniform buffer block
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vulkanDevice->createBuffer(
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VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT,
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VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT,
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&uniformBuffer,
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sizeof(uboVS));
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updateUniformBuffers();
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}
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void updateUniformBuffers()
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{
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uboVS.projection = camera.matrices.perspective;
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uboVS.view = camera.matrices.view;
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uboVS.model = glm::mat4();
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VK_CHECK_RESULT(uniformBuffer.map());
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uniformBuffer.copyTo(&uboVS, sizeof(uboVS));
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uniformBuffer.unmap();
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}
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// Take a screenshot for the curretn swapchain image
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// This is done using a blit from the swapchain image to a linear image whose memory content is then saved as a ppm image
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// Getting the image date directly from a swapchain image wouldn't work as they're usually stored in an implementation dependant optimal tiling format
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// Note: This requires the swapchain images to be created with the VK_IMAGE_USAGE_TRANSFER_SRC_BIT flag (see VulkanSwapChain::create)
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void saveScreenshot(const char *filename)
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{
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// Get format properties for the swapchain color format
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VkFormatProperties formatProps;
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vkGetPhysicalDeviceFormatProperties(physicalDevice, swapChain.colorFormat, &formatProps);
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// Check if the device supports blitting to linear images
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if (!(formatProps.linearTilingFeatures & VK_FORMAT_FEATURE_BLIT_SRC_BIT)) {
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std::cerr << "Error: Device does not support blitting to linear tiled images!" << std::endl;
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return;
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}
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// Check if the device supports blitting from optimal images (the swapchain images are in optimal format)
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if (!(formatProps.optimalTilingFeatures & VK_FORMAT_FEATURE_BLIT_DST_BIT)) {
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std::cerr << "Error: Device does not support blitting from optimal tiled images!" << std::endl;
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return;
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}
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// Source for the blit is the last rendered swapchain image
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VkImage srcImage = swapChain.images[currentBuffer];
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// Create the linear tiled destination image to copy to and to read the memory from
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VkImageCreateInfo imgCreateInfo(vkTools::initializers::imageCreateInfo());
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imgCreateInfo.imageType = VK_IMAGE_TYPE_2D;
|
||||
// Note that vkCmdBlitImage will also do format conversions if the swapchain color format would differ
|
||||
imgCreateInfo.format = VK_FORMAT_R8G8B8A8_UNORM;
|
||||
imgCreateInfo.extent.width = width;
|
||||
imgCreateInfo.extent.height = height;
|
||||
imgCreateInfo.extent.depth = 1;
|
||||
imgCreateInfo.arrayLayers = 1;
|
||||
imgCreateInfo.mipLevels = 1;
|
||||
imgCreateInfo.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
|
||||
imgCreateInfo.samples = VK_SAMPLE_COUNT_1_BIT;
|
||||
imgCreateInfo.tiling = VK_IMAGE_TILING_LINEAR;
|
||||
imgCreateInfo.usage = VK_IMAGE_USAGE_TRANSFER_DST_BIT;
|
||||
// Create the image
|
||||
VkImage dstImage;
|
||||
VK_CHECK_RESULT(vkCreateImage(device, &imgCreateInfo, nullptr, &dstImage));
|
||||
// Create memory to back up the image
|
||||
VkMemoryRequirements memRequirements;
|
||||
VkMemoryAllocateInfo memAllocInfo(vkTools::initializers::memoryAllocateInfo());
|
||||
VkDeviceMemory dstImageMemory;
|
||||
vkGetImageMemoryRequirements(device, dstImage, &memRequirements);
|
||||
memAllocInfo.allocationSize = memRequirements.size;
|
||||
// Memory must be host visible to copy from
|
||||
memAllocInfo.memoryTypeIndex = vulkanDevice->getMemoryType(memRequirements.memoryTypeBits, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT);
|
||||
VK_CHECK_RESULT(vkAllocateMemory(device, &memAllocInfo, nullptr, &dstImageMemory));
|
||||
VK_CHECK_RESULT(vkBindImageMemory(device, dstImage, dstImageMemory, 0));
|
||||
|
||||
// Do the actual blit from the swapchain image to our host visible destination image
|
||||
VkCommandBuffer copyCmd = vulkanDevice->createCommandBuffer(VK_COMMAND_BUFFER_LEVEL_PRIMARY, true);
|
||||
|
||||
// Transition destination image to transfer destination layout
|
||||
vkTools::setImageLayout(
|
||||
copyCmd,
|
||||
dstImage,
|
||||
VK_IMAGE_ASPECT_COLOR_BIT,
|
||||
VK_IMAGE_LAYOUT_UNDEFINED,
|
||||
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
|
||||
VK_PIPELINE_STAGE_TRANSFER_BIT,
|
||||
VK_PIPELINE_STAGE_TRANSFER_BIT);
|
||||
|
||||
// Transition swapchain image from present to transfer source layout
|
||||
vkTools::setImageLayout(
|
||||
copyCmd,
|
||||
srcImage,
|
||||
VK_IMAGE_ASPECT_COLOR_BIT,
|
||||
VK_IMAGE_LAYOUT_PRESENT_SRC_KHR,
|
||||
VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
|
||||
VK_PIPELINE_STAGE_TRANSFER_BIT,
|
||||
VK_PIPELINE_STAGE_TRANSFER_BIT);
|
||||
|
||||
// Define the region to blit (we will blit the whole swapchain image)
|
||||
VkOffset3D blitSize;
|
||||
blitSize.x = width;
|
||||
blitSize.y = height;
|
||||
blitSize.z = 1;
|
||||
VkImageBlit imageBlitRegion{};
|
||||
imageBlitRegion.srcSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
|
||||
imageBlitRegion.srcSubresource.layerCount = 1;
|
||||
imageBlitRegion.srcOffsets[1] = blitSize;
|
||||
imageBlitRegion.dstSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
|
||||
imageBlitRegion.dstSubresource.layerCount = 1;
|
||||
imageBlitRegion.dstOffsets[1] = blitSize;
|
||||
|
||||
// Issue the blit command
|
||||
vkCmdBlitImage(
|
||||
copyCmd,
|
||||
srcImage, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
|
||||
dstImage, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
|
||||
1,
|
||||
&imageBlitRegion,
|
||||
VK_FILTER_NEAREST);
|
||||
|
||||
// Transition destination image to general layout, which is the required layout for mapping the image memory later on
|
||||
vkTools::setImageLayout(
|
||||
copyCmd,
|
||||
dstImage,
|
||||
VK_IMAGE_ASPECT_COLOR_BIT,
|
||||
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
|
||||
VK_IMAGE_LAYOUT_GENERAL,
|
||||
VK_PIPELINE_STAGE_TRANSFER_BIT,
|
||||
VK_PIPELINE_STAGE_TRANSFER_BIT);
|
||||
|
||||
// Transition back the swap chain image after the blit is done
|
||||
vkTools::setImageLayout(
|
||||
copyCmd,
|
||||
srcImage,
|
||||
VK_IMAGE_ASPECT_COLOR_BIT,
|
||||
VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
|
||||
VK_IMAGE_LAYOUT_PRESENT_SRC_KHR,
|
||||
VK_PIPELINE_STAGE_TRANSFER_BIT,
|
||||
VK_PIPELINE_STAGE_TRANSFER_BIT);
|
||||
|
||||
vulkanDevice->flushCommandBuffer(copyCmd, queue);
|
||||
|
||||
// Get layout of the image (including row pitch)
|
||||
VkImageSubresource subResource{};
|
||||
subResource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
|
||||
VkSubresourceLayout subResourceLayout;
|
||||
|
||||
vkGetImageSubresourceLayout(device, dstImage, &subResource, &subResourceLayout);
|
||||
|
||||
// Map image memory so we can start copying from it
|
||||
const char* data;
|
||||
vkMapMemory(device, dstImageMemory, 0, VK_WHOLE_SIZE, 0, (void**)&data);
|
||||
data += subResourceLayout.offset;
|
||||
|
||||
std::ofstream file(filename, std::ios::out | std::ios::binary);
|
||||
|
||||
// ppm header
|
||||
file << "P6\n" << width << "\n" << height << "\n" << 255 << "\n";
|
||||
|
||||
// ppm binary pixel data
|
||||
for (uint32_t y = 0; y < height; y++)
|
||||
{
|
||||
unsigned int *row = (unsigned int*)data;
|
||||
for (uint32_t x = 0; x < width; x++)
|
||||
{
|
||||
file.write((char*)row, 3);
|
||||
row++;
|
||||
}
|
||||
data += subResourceLayout.rowPitch;
|
||||
}
|
||||
file.close();
|
||||
|
||||
std::cout << "Screenshot saved to disk" << std::endl;
|
||||
|
||||
// Clean up resources
|
||||
vkUnmapMemory(device, dstImageMemory);
|
||||
vkFreeMemory(device, dstImageMemory, nullptr);
|
||||
vkDestroyImage(device, dstImage, nullptr);
|
||||
}
|
||||
|
||||
void draw()
|
||||
{
|
||||
VulkanExampleBase::prepareFrame();
|
||||
|
||||
submitInfo.commandBufferCount = 1;
|
||||
submitInfo.pCommandBuffers = &drawCmdBuffers[currentBuffer];
|
||||
VK_CHECK_RESULT(vkQueueSubmit(queue, 1, &submitInfo, VK_NULL_HANDLE));
|
||||
|
||||
VulkanExampleBase::submitFrame();
|
||||
}
|
||||
|
||||
void prepare()
|
||||
{
|
||||
VulkanExampleBase::prepare();
|
||||
loadAssets();
|
||||
prepareVertices();
|
||||
prepareUniformBuffers();
|
||||
setupDescriptorSetLayout();
|
||||
preparePipelines();
|
||||
setupDescriptorPool();
|
||||
setupDescriptorSet();
|
||||
buildCommandBuffers();
|
||||
prepared = true;
|
||||
}
|
||||
|
||||
virtual void render()
|
||||
{
|
||||
if (!prepared)
|
||||
return;
|
||||
draw();
|
||||
}
|
||||
|
||||
virtual void viewChanged()
|
||||
{
|
||||
updateUniformBuffers();
|
||||
}
|
||||
|
||||
virtual void keyPressed(uint32_t keyCode)
|
||||
{
|
||||
switch (keyCode)
|
||||
{
|
||||
case KEY_F2:
|
||||
case GAMEPAD_BUTTON_A:
|
||||
saveScreenshot("screenshot.ppm");
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
virtual void getOverlayText(VulkanTextOverlay *textOverlay)
|
||||
{
|
||||
#if defined(__ANDROID__)
|
||||
textOverlay->addText("\"Button A\" to save screenshot", 5.0f, 85.0f, VulkanTextOverlay::alignLeft);
|
||||
#else
|
||||
textOverlay->addText("\"F2\" to save screenshot", 5.0f, 85.0f, VulkanTextOverlay::alignLeft);
|
||||
#endif
|
||||
}
|
||||
};
|
||||
|
||||
VULKAN_EXAMPLE_MAIN()
|
||||
81
screenshot/screenshot.vcxproj
Normal file
81
screenshot/screenshot.vcxproj
Normal file
|
|
@ -0,0 +1,81 @@
|
|||
<?xml version="1.0" encoding="utf-8"?>
|
||||
<Project DefaultTargets="Build" ToolsVersion="14.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
|
||||
<ItemGroup Label="ProjectConfigurations">
|
||||
<ProjectConfiguration Include="Debug|x64">
|
||||
<Configuration>Debug</Configuration>
|
||||
<Platform>x64</Platform>
|
||||
</ProjectConfiguration>
|
||||
<ProjectConfiguration Include="Release|x64">
|
||||
<Configuration>Release</Configuration>
|
||||
<Platform>x64</Platform>
|
||||
</ProjectConfiguration>
|
||||
</ItemGroup>
|
||||
<ItemGroup>
|
||||
<ClCompile Include="..\base\vulkandebug.cpp" />
|
||||
<ClCompile Include="..\base\vulkanexamplebase.cpp" />
|
||||
<ClCompile Include="..\base\vulkantools.cpp" />
|
||||
<ClCompile Include="screenshot.cpp" />
|
||||
</ItemGroup>
|
||||
<ItemGroup>
|
||||
<ClInclude Include="..\base\vulkandebug.h" />
|
||||
<ClInclude Include="..\base\vulkanexamplebase.h" />
|
||||
<ClInclude Include="..\base\vulkantools.h" />
|
||||
</ItemGroup>
|
||||
<ItemGroup>
|
||||
<None Include="..\data\shaders\screenshot\mesh.frag" />
|
||||
<None Include="..\data\shaders\screenshot\mesh.vert" />
|
||||
</ItemGroup>
|
||||
<PropertyGroup Label="Globals">
|
||||
<ProjectGuid>{AD1DAD4D-A753-4A78-88E2-B4DCE15D482F}</ProjectGuid>
|
||||
<RootNamespace>screenshot</RootNamespace>
|
||||
<WindowsTargetPlatformVersion>8.1</WindowsTargetPlatformVersion>
|
||||
</PropertyGroup>
|
||||
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
|
||||
<PropertyGroup Label="Configuration" Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
|
||||
<PlatformToolset>v140</PlatformToolset>
|
||||
</PropertyGroup>
|
||||
<PropertyGroup Label="Configuration" Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
|
||||
<PlatformToolset>v140</PlatformToolset>
|
||||
</PropertyGroup>
|
||||
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
|
||||
<ImportGroup Label="ExtensionSettings">
|
||||
</ImportGroup>
|
||||
<PropertyGroup Label="UserMacros" />
|
||||
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
|
||||
<LinkIncremental>true</LinkIncremental>
|
||||
<OutDir>$(SolutionDir)\bin\</OutDir>
|
||||
<IntDir>$(SolutionDir)\bin\intermediate\$(ProjectName)\$(ConfigurationName)</IntDir>
|
||||
</PropertyGroup>
|
||||
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
|
||||
<OutDir>$(SolutionDir)\bin\</OutDir>
|
||||
<IntDir>$(SolutionDir)\bin\intermediate\$(ProjectName)\$(ConfigurationName)</IntDir>
|
||||
</PropertyGroup>
|
||||
<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
|
||||
<ClCompile>
|
||||
<AdditionalIncludeDirectories>..\base;..\external\glm;..\external\gli;..\external\assimp;..\external;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
|
||||
<PreprocessorDefinitions>WIN32;_WINDOWS;_DEBUG;VK_USE_PLATFORM_WIN32_KHR;_USE_MATH_DEFINES;NOMINMAX</PreprocessorDefinitions>
|
||||
<RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
|
||||
<Optimization>Disabled</Optimization>
|
||||
<OpenMPSupport>true</OpenMPSupport>
|
||||
<AdditionalOptions>/FS %(AdditionalOptions)</AdditionalOptions>
|
||||
</ClCompile>
|
||||
<Link>
|
||||
<AdditionalDependencies>..\libs\vulkan\vulkan-1.lib;..\libs\assimp\assimp.lib;%(AdditionalDependencies)</AdditionalDependencies>
|
||||
<GenerateDebugInformation>true</GenerateDebugInformation>
|
||||
<AdditionalLibraryDirectories>%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
|
||||
<SubSystem>Console</SubSystem>
|
||||
</Link>
|
||||
</ItemDefinitionGroup>
|
||||
<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
|
||||
<ClCompile>
|
||||
<PreprocessorDefinitions>WIN32;NDEBUG;_WINDOWS;VK_USE_PLATFORM_WIN32_KHR;_USE_MATH_DEFINES;NOMINMAX;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
|
||||
<AdditionalIncludeDirectories>..\base;..\external\glm;..\external\gli;..\external\assimp;..\external;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
|
||||
</ClCompile>
|
||||
<Link>
|
||||
<AdditionalDependencies>..\libs\vulkan\vulkan-1.lib;..\libs\assimp\assimp.lib;%(AdditionalDependencies)</AdditionalDependencies>
|
||||
</Link>
|
||||
</ItemDefinitionGroup>
|
||||
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
|
||||
<ImportGroup Label="ExtensionTargets">
|
||||
</ImportGroup>
|
||||
</Project>
|
||||
53
screenshot/screenshot.vcxproj.filters
Normal file
53
screenshot/screenshot.vcxproj.filters
Normal file
|
|
@ -0,0 +1,53 @@
|
|||
<?xml version="1.0" encoding="utf-8"?>
|
||||
<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
|
||||
<ItemGroup>
|
||||
<Filter Include="Source Files">
|
||||
<UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>
|
||||
<Extensions>cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
|
||||
</Filter>
|
||||
<Filter Include="Header Files">
|
||||
<UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>
|
||||
<Extensions>h;hh;hpp;hxx;hm;inl;inc;xsd</Extensions>
|
||||
</Filter>
|
||||
<Filter Include="Resource Files">
|
||||
<UniqueIdentifier>{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}</UniqueIdentifier>
|
||||
<Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms</Extensions>
|
||||
</Filter>
|
||||
<Filter Include="Shaders">
|
||||
<UniqueIdentifier>{ea2b3ea0-f498-4b9a-a493-df913acc5e32}</UniqueIdentifier>
|
||||
</Filter>
|
||||
</ItemGroup>
|
||||
<ItemGroup>
|
||||
<ClCompile Include="..\base\vulkandebug.cpp">
|
||||
<Filter>Source Files</Filter>
|
||||
</ClCompile>
|
||||
<ClCompile Include="..\base\vulkanexamplebase.cpp">
|
||||
<Filter>Source Files</Filter>
|
||||
</ClCompile>
|
||||
<ClCompile Include="..\base\vulkantools.cpp">
|
||||
<Filter>Source Files</Filter>
|
||||
</ClCompile>
|
||||
<ClCompile Include="screenshot.cpp">
|
||||
<Filter>Source Files</Filter>
|
||||
</ClCompile>
|
||||
</ItemGroup>
|
||||
<ItemGroup>
|
||||
<ClInclude Include="..\base\vulkandebug.h">
|
||||
<Filter>Header Files</Filter>
|
||||
</ClInclude>
|
||||
<ClInclude Include="..\base\vulkanexamplebase.h">
|
||||
<Filter>Header Files</Filter>
|
||||
</ClInclude>
|
||||
<ClInclude Include="..\base\vulkantools.h">
|
||||
<Filter>Header Files</Filter>
|
||||
</ClInclude>
|
||||
</ItemGroup>
|
||||
<ItemGroup>
|
||||
<None Include="..\data\shaders\screenshot\mesh.frag">
|
||||
<Filter>Shaders</Filter>
|
||||
</None>
|
||||
<None Include="..\data\shaders\screenshot\mesh.vert">
|
||||
<Filter>Shaders</Filter>
|
||||
</None>
|
||||
</ItemGroup>
|
||||
</Project>
|
||||
|
|
@ -128,6 +128,8 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution
|
|||
CMakeLists.txt = CMakeLists.txt
|
||||
EndProjectSection
|
||||
EndProject
|
||||
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "screenshot", "screenshot\screenshot.vcxproj", "{AD1DAD4D-A753-4A78-88E2-B4DCE15D482F}"
|
||||
EndProject
|
||||
Global
|
||||
GlobalSection(SolutionConfigurationPlatforms) = preSolution
|
||||
Debug|x64 = Debug|x64
|
||||
|
|
@ -310,6 +312,10 @@ Global
|
|||
{6B4BC372-5897-40FB-91D4-421C2817F656}.Debug|x64.Build.0 = Debug|x64
|
||||
{6B4BC372-5897-40FB-91D4-421C2817F656}.Release|x64.ActiveCfg = Release|x64
|
||||
{6B4BC372-5897-40FB-91D4-421C2817F656}.Release|x64.Build.0 = Release|x64
|
||||
{AD1DAD4D-A753-4A78-88E2-B4DCE15D482F}.Debug|x64.ActiveCfg = Debug|x64
|
||||
{AD1DAD4D-A753-4A78-88E2-B4DCE15D482F}.Debug|x64.Build.0 = Debug|x64
|
||||
{AD1DAD4D-A753-4A78-88E2-B4DCE15D482F}.Release|x64.ActiveCfg = Release|x64
|
||||
{AD1DAD4D-A753-4A78-88E2-B4DCE15D482F}.Release|x64.Build.0 = Release|x64
|
||||
EndGlobalSection
|
||||
GlobalSection(SolutionProperties) = preSolution
|
||||
HideSolutionNode = FALSE
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue