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Simplified offscreen sample

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This commit is contained in:
Sascha Willems 2019-10-27 17:53:31 +01:00
parent 0e9ab19fad
commit 526ed2da0e
3 changed files with 2 additions and 33 deletions
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6
data/shaders/offscreen/mirror.frag
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@ -1,7 +1,6 @@
#version 450 #version 450
layout (binding = 1) uniform sampler2D samplerColor; layout (binding = 1) uniform sampler2D samplerColor;
layout (binding = 2) uniform sampler2D samplerColorMap;
layout (location = 0) in vec2 inUV; layout (location = 0) in vec2 inUV;
layout (location = 1) in vec4 inPos; layout (location = 1) in vec4 inPos;
@ -21,8 +20,7 @@ void main()
// For demonstration purposes only // For demonstration purposes only
const float blurSize = 1.0 / 512.0; const float blurSize = 1.0 / 512.0;
vec4 color = texture(samplerColorMap, inUV); outFragColor = vec4(vec3(0.0), 1.);
outFragColor = color * 0.25;
if (gl_FrontFacing) if (gl_FrontFacing)
{ {
@ -35,6 +33,6 @@ void main()
reflection += texture(samplerColor, vec2(projCoord.s + x * blurSize, projCoord.t + y * blurSize)) / 49.0; reflection += texture(samplerColor, vec2(projCoord.s + x * blurSize, projCoord.t + y * blurSize)) / 49.0;
} }
} }
outFragColor += reflection * 1.5 * (color.r); outFragColor += reflection;
}; };
} }

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data/shaders/offscreen/mirror.frag.spv
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29
examples/offscreen/offscreen.cpp
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@ -19,7 +19,6 @@
#include <vulkan/vulkan.h> #include <vulkan/vulkan.h>
#include "vulkanexamplebase.h" #include "vulkanexamplebase.h"
#include "VulkanTexture.hpp"
#include "VulkanModel.hpp" #include "VulkanModel.hpp"
#include "VulkanBuffer.hpp" #include "VulkanBuffer.hpp"
@ -34,10 +33,6 @@ class VulkanExample : public VulkanExampleBase
public: public:
bool debugDisplay = false; bool debugDisplay = false;
struct {
vks::Texture2D colorMap;
} textures;
// Vertex layout for the models // Vertex layout for the models
vks::VertexLayout vertexLayout = vks::VertexLayout({ vks::VertexLayout vertexLayout = vks::VertexLayout({
vks::VERTEX_COMPONENT_POSITION, vks::VERTEX_COMPONENT_POSITION,
@ -124,9 +119,6 @@ public:
// Clean up used Vulkan resources // Clean up used Vulkan resources
// Note : Inherited destructor cleans up resources stored in base class // Note : Inherited destructor cleans up resources stored in base class
// Textures
textures.colorMap.destroy();
// Frame buffer // Frame buffer
// Color attachment // Color attachment
@ -453,20 +445,6 @@ public:
{ {
models.plane.loadFromFile(getAssetPath() + "models/plane.obj", vertexLayout, 0.5f, vulkanDevice, queue); models.plane.loadFromFile(getAssetPath() + "models/plane.obj", vertexLayout, 0.5f, vulkanDevice, queue);
models.example.loadFromFile(getAssetPath() + "models/chinesedragon.dae", vertexLayout, 0.3f, vulkanDevice, queue); models.example.loadFromFile(getAssetPath() + "models/chinesedragon.dae", vertexLayout, 0.3f, vulkanDevice, queue);
// Textures
if (vulkanDevice->features.textureCompressionBC) {
textures.colorMap.loadFromFile(getAssetPath() + "textures/darkmetal_bc3_unorm.ktx", VK_FORMAT_BC3_UNORM_BLOCK, vulkanDevice, queue);
}
else if (vulkanDevice->features.textureCompressionASTC_LDR) {
textures.colorMap.loadFromFile(getAssetPath() + "textures/darkmetal_astc_8x8_unorm.ktx", VK_FORMAT_ASTC_8x8_UNORM_BLOCK, vulkanDevice, queue);
}
else if (vulkanDevice->features.textureCompressionETC2) {
textures.colorMap.loadFromFile(getAssetPath() + "textures/darkmetal_etc2_unorm.ktx", VK_FORMAT_ETC2_R8G8B8_UNORM_BLOCK, vulkanDevice, queue);
}
else {
vks::tools::exitFatal("Device does not support any compressed texture format!", VK_ERROR_FEATURE_NOT_PRESENT);
}
} }
void generateQuad() void generateQuad()
@ -591,12 +569,6 @@ public:
VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
1, 1,
&offscreenPass.descriptor), &offscreenPass.descriptor),
// Binding 2 : Fragment shader texture sampler
vks::initializers::writeDescriptorSet(
descriptorSets.mirror,
VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
2,
&textures.colorMap.descriptor)
}; };
vkUpdateDescriptorSets(device, writeDescriptorSets.size(), writeDescriptorSets.data(), 0, NULL); vkUpdateDescriptorSets(device, writeDescriptorSets.size(), writeDescriptorSets.data(), 0, NULL);
@ -625,7 +597,6 @@ public:
allocInfo.pSetLayouts = &descriptorSetLayouts.shaded; allocInfo.pSetLayouts = &descriptorSetLayouts.shaded;
// Model // Model
// No texture
VK_CHECK_RESULT(vkAllocateDescriptorSets(device, &allocInfo, &descriptorSets.model)); VK_CHECK_RESULT(vkAllocateDescriptorSets(device, &allocInfo, &descriptorSets.model));
std::vector<VkWriteDescriptorSet> modelWriteDescriptorSets = std::vector<VkWriteDescriptorSet> modelWriteDescriptorSets =