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Don't require D32S8 format for deferred shadows sample

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The format is not mandatory by the spec and the sample doesn't
require stencil, so just choose a supported depth/stencil format
instead to allow this to run on more platforms.
This commit is contained in:
Iago Toral Quiroga 2022-06-30 10:20:41 +02:00
parent 397c2e6d9b
commit 6322010be2
1 changed files with 6 additions and 3 deletions
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9
examples/deferredshadows/deferredshadows.cpp
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@ -19,8 +19,6 @@
#else
#define SHADOWMAP_DIM 2048
#endif
// 16 bits of depth is enough for such a small scene
#define SHADOWMAP_FORMAT VK_FORMAT_D32_SFLOAT_S8_UINT
#if defined(__ANDROID__)
// Use max. screen dimension as deferred framebuffer size
@ -218,12 +216,17 @@ public:
frameBuffers.shadow->width = SHADOWMAP_DIM;
frameBuffers.shadow->height = SHADOWMAP_DIM;
// Find a suitable depth format
VkFormat shadowMapFormat;
VkBool32 validShadowMapFormat = vks::tools::getSupportedDepthFormat(physicalDevice, &shadowMapFormat);
assert(validShadowMapFormat);
// Create a layered depth attachment for rendering the depth maps from the lights' point of view
// Each layer corresponds to one of the lights
// The actual output to the separate layers is done in the geometry shader using shader instancing
// We will pass the matrices of the lights to the GS that selects the layer by the current invocation
vks::AttachmentCreateInfo attachmentInfo = {};
attachmentInfo.format = SHADOWMAP_FORMAT;
attachmentInfo.format = shadowMapFormat;
attachmentInfo.width = SHADOWMAP_DIM;
attachmentInfo.height = SHADOWMAP_DIM;
attachmentInfo.layerCount = LIGHT_COUNT;