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Enable device features, only display sample rate shading option if supported by device

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This commit is contained in:
saschawillems 2017-11-04 10:29:45 +01:00
parent a1530114ef
commit 2b04594fe3
2 changed files with 33 additions and 6 deletions
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29
multisampling/multisampling.cpp
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@ -121,6 +121,25 @@ public:
uniformBuffer.destroy();
}
// Enable physical device features required for this example
virtual void getEnabledFeatures()
{
// Enable sample rate shading filtering if supported
if (deviceFeatures.sampleRateShading) {
enabledFeatures.sampleRateShading = VK_TRUE;
}
// Enable texture compression
if (deviceFeatures.textureCompressionBC) {
enabledFeatures.textureCompressionBC = VK_TRUE;
}
else if (deviceFeatures.textureCompressionASTC_LDR) {
enabledFeatures.textureCompressionASTC_LDR = VK_TRUE;
}
else if (deviceFeatures.textureCompressionETC2) {
enabledFeatures.textureCompressionETC2 = VK_TRUE;
}
}
// Creates a multi sample render target (image and view) that is used to resolve
// into the visible frame buffer target in the render pass
void setupMultisampleTarget()
@ -628,7 +647,7 @@ public:
shaderStages[1] = loadShader(getAssetPath() + "shaders/mesh/mesh.frag.spv", VK_SHADER_STAGE_FRAGMENT_BIT);
// Setup multi sampling
multisampleState.rasterizationSamples = sampleCount; // Number of samples to use for rasterization
VK_CHECK_RESULT(vkCreateGraphicsPipelines(device, pipelineCache, 1, &pipelineCreateInfo, nullptr, &pipelines.MSAA));
// MSAA with sample shading pipeline
@ -744,9 +763,11 @@ public:
virtual void OnUpdateUIOverlay(vks::UIOverlay *overlay)
{
if (overlay->header("Settings")) {
if (overlay->checkBox("Sample rate shading", &useSampleShading)) {
buildCommandBuffers();
if (vulkanDevice->features.sampleRateShading) {
if (overlay->header("Settings")) {
if (overlay->checkBox("Sample rate shading", &useSampleShading)) {
buildCommandBuffers();
}
}
}
}