claude_code/procedural-3d-engine
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Added ETC2 and ASTC texture variants (Refs #174), check device features

Browse source
This commit is contained in:
saschawillems 2017-03-17 18:21:15 +01:00
parent f1bf03a440
commit 622a503f90
4 changed files with 106 additions and 43 deletions
Download patch file Download diff file Expand all files Collapse all files

68
displacement/displacement.cpp
View file

@ -70,9 +70,9 @@ public:
float tessStrength = 0.1f;
} uboTessEval;
struct {
struct Pipelines {
VkPipeline solid;
VkPipeline wireframe;
VkPipeline wireframe = VK_NULL_HANDLE;
} pipelines;
VkPipelineLayout pipelineLayout;
@ -85,11 +85,6 @@ public:
rotation = glm::vec3(-20.0f, 45.0f, 0.0f);
enableTextOverlay = true;
title = "Vulkan Example - Tessellation shader displacement mapping";
// Enable physical device features required for this example
// Tell the driver that we are going to use geometry shaders
enabledFeatures.tessellationShader = VK_TRUE;
// Example also uses a wireframe pipeline, enable non-solid fill modes
enabledFeatures.fillModeNonSolid = VK_TRUE;
}
~VulkanExample()
@ -97,7 +92,9 @@ public:
// Clean up used Vulkan resources
// Note : Inherited destructor cleans up resources stored in base class
vkDestroyPipeline(device, pipelines.solid, nullptr);
vkDestroyPipeline(device, pipelines.wireframe, nullptr);
if (pipelines.wireframe != VK_NULL_HANDLE) {
vkDestroyPipeline(device, pipelines.wireframe, nullptr);
};
vkDestroyPipelineLayout(device, pipelineLayout, nullptr);
vkDestroyDescriptorSetLayout(device, descriptorSetLayout, nullptr);
@ -108,10 +105,41 @@ public:
textures.colorHeightMap.destroy();
}
// Enable physical device features required for this example
virtual void getEnabledFeatures()
{
// Geometry shader support is required for this example
if (deviceFeatures.fillModeNonSolid) {
enabledFeatures.geometryShader = VK_TRUE;
}
else {
vks::tools::exitFatal("Selected GPU does not support tessellation shaders!", "Feature not supported");
}
// Fill mode non solid is required for wireframe display
if (deviceFeatures.fillModeNonSolid) {
enabledFeatures.fillModeNonSolid = VK_TRUE;
}
else {
splitScreen = false;
}
}
void loadAssets()
{
models.object.loadFromFile(getAssetPath() + "models/plane.obj", vertexLayout, 0.25f, vulkanDevice, queue);
textures.colorHeightMap.loadFromFile(getAssetPath() + "textures/pattern_36_bc3.ktx", VK_FORMAT_BC3_UNORM_BLOCK, vulkanDevice, queue);
// Textures
if (vulkanDevice->features.textureCompressionBC) {
textures.colorHeightMap.loadFromFile(getAssetPath() + "textures/stonefloor03_color_bc3_unorm.ktx", VK_FORMAT_BC3_UNORM_BLOCK, vulkanDevice, queue);
}
else if (vulkanDevice->features.textureCompressionASTC_LDR) {
textures.colorHeightMap.loadFromFile(getAssetPath() + "textures/stonefloor03_color_astc_8x8_unorm.ktx", VK_FORMAT_ASTC_8x8_UNORM_BLOCK, vulkanDevice, queue);
}
else if (vulkanDevice->features.textureCompressionETC2) {
textures.colorHeightMap.loadFromFile(getAssetPath() + "textures/stonefloor03_color_etc2_unorm.ktx", VK_FORMAT_ETC2_R8G8B8_UNORM_BLOCK, vulkanDevice, queue);
}
else {
vks::tools::exitFatal("Device does not support any compressed texture format!", "Error");
}
}
void reBuildCommandBuffers()
@ -405,10 +433,12 @@ public:
// Solid pipeline
rasterizationState.cullMode = VK_CULL_MODE_BACK_BIT;
VK_CHECK_RESULT(vkCreateGraphicsPipelines(device, pipelineCache, 1, &pipelineCreateInfo, nullptr, &pipelines.solid));
// Wireframe pipeline
rasterizationState.polygonMode = VK_POLYGON_MODE_LINE;
rasterizationState.cullMode = VK_CULL_MODE_NONE;
VK_CHECK_RESULT(vkCreateGraphicsPipelines(device, pipelineCache, 1, &pipelineCreateInfo, nullptr, &pipelines.wireframe));
if (deviceFeatures.fillModeNonSolid) {
// Wireframe pipeline
rasterizationState.polygonMode = VK_POLYGON_MODE_LINE;
rasterizationState.cullMode = VK_CULL_MODE_NONE;
VK_CHECK_RESULT(vkCreateGraphicsPipelines(device, pipelineCache, 1, &pipelineCreateInfo, nullptr, &pipelines.wireframe));
}
}
// Prepare and initialize uniform buffer containing shader uniforms
@ -562,7 +592,9 @@ public:
break;
case KEY_S:
case GAMEPAD_BUTTON_X:
toggleSplitScreen();
if (deviceFeatures.fillModeNonSolid) {
toggleSplitScreen();
};
break;
}
}
@ -574,11 +606,15 @@ public:
#if defined(__ANDROID__)
textOverlay->addText("Tessellation height: " + ss.str() + " (Buttons L1/R1)", 5.0f, 85.0f, VulkanTextOverlay::alignLeft);
textOverlay->addText("\"Button A\" to toggle displacement", 5.0f, 100.0f, VulkanTextOverlay::alignLeft);
textOverlay->addText("\"Button X\" to toggle splitscreen", 5.0f, 115.0f, VulkanTextOverlay::alignLeft);
if (deviceFeatures.fillModeNonSolid) {
textOverlay->addText("\"Button X\" to toggle splitscreen", 5.0f, 115.0f, VulkanTextOverlay::alignLeft);
}
#else
textOverlay->addText("Tessellation height: " + ss.str() + " (numpad +/-)", 5.0f, 85.0f, VulkanTextOverlay::alignLeft);
textOverlay->addText("\"d\" to toggle displacement", 5.0f, 100.0f, VulkanTextOverlay::alignLeft);
textOverlay->addText("\"s\" to toggle splitscreen", 5.0f, 115.0f, VulkanTextOverlay::alignLeft);
if (deviceFeatures.fillModeNonSolid) {
textOverlay->addText("\"s\" to toggle splitscreen", 5.0f, 115.0f, VulkanTextOverlay::alignLeft);
}
#endif
}
};