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Cleaned up the createShaderBindingTable for the raytracing examples

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This commit is contained in:
VZout 2019-11-01 16:01:48 +01:00
parent e1e348ac7a
commit cd2ec54f7f
3 changed files with 5 additions and 6 deletions
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9
examples/nv_ray_tracing_basic/nv_ray_tracing_basic.cpp
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@ -44,6 +44,8 @@ struct GeometryInstance {
#define INDEX_MISS 1
#define INDEX_CLOSEST_HIT 2
#define NUM_SHADER_GROUPS 3
class VulkanExample : public VulkanExampleBase
{
public:
@ -421,7 +423,7 @@ public:
*/
void createShaderBindingTable() {
// Create buffer for the shader binding table
const uint32_t sbtSize = rayTracingProperties.shaderGroupHandleSize * 3;
const uint32_t sbtSize = rayTracingProperties.shaderGroupHandleSize * NUM_SHADER_GROUPS;
VK_CHECK_RESULT(vulkanDevice->createBuffer(
VK_BUFFER_USAGE_RAY_TRACING_BIT_NV,
VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT,
@ -431,10 +433,9 @@ public:
auto shaderHandleStorage = new uint8_t[sbtSize];
// Get shader identifiers
VK_CHECK_RESULT(vkGetRayTracingShaderGroupHandlesNV(device, pipeline, 0, 3, sbtSize, shaderHandleStorage));
VK_CHECK_RESULT(vkGetRayTracingShaderGroupHandlesNV(device, pipeline, 0, NUM_SHADER_GROUPS, sbtSize, shaderHandleStorage));
auto* data = static_cast<uint8_t*>(shaderBindingTable.mapped);
// Copy the shader identifiers to the shader binding table
VkDeviceSize offset = 0;
data += copyShaderIdentifier(data, shaderHandleStorage, INDEX_RAYGEN);
data += copyShaderIdentifier(data, shaderHandleStorage, INDEX_MISS);
data += copyShaderIdentifier(data, shaderHandleStorage, INDEX_CLOSEST_HIT);
@ -540,7 +541,7 @@ public:
/*
Setup ray tracing shader groups
*/
std::array<VkRayTracingShaderGroupCreateInfoNV, 3> groups{};
std::array<VkRayTracingShaderGroupCreateInfoNV, NUM_SHADER_GROUPS> groups{};
for (auto& group : groups) {
// Init all groups with some default values
group.sType = VK_STRUCTURE_TYPE_RAY_TRACING_SHADER_GROUP_CREATE_INFO_NV;

1
examples/nv_ray_tracing_reflections/nv_ray_tracing_reflections.cpp
View file

@ -423,7 +423,6 @@ public:
VK_CHECK_RESULT(vkGetRayTracingShaderGroupHandlesNV(device, pipeline, 0, NUM_SHADER_GROUPS, sbtSize, shaderHandleStorage));
auto* data = static_cast<uint8_t*>(shaderBindingTable.mapped);
// Copy the shader identifiers to the shader binding table
VkDeviceSize offset = 0;
data += copyShaderIdentifier(data, shaderHandleStorage, INDEX_RAYGEN);
data += copyShaderIdentifier(data, shaderHandleStorage, INDEX_MISS);
data += copyShaderIdentifier(data, shaderHandleStorage, INDEX_CLOSEST_HIT);

1
examples/nv_ray_tracing_shadows/nv_ray_tracing_shadows.cpp
View file

@ -432,7 +432,6 @@ public:
VK_CHECK_RESULT(vkGetRayTracingShaderGroupHandlesNV(device, pipeline, 0, NUM_SHADER_GROUPS, sbtSize, shaderHandleStorage));
auto* data = static_cast<uint8_t*>(shaderBindingTable.mapped);
// Copy the shader identifiers to the shader binding table
VkDeviceSize offset = 0;
data += copyShaderIdentifier(data, shaderHandleStorage, INDEX_RAYGEN);
data += copyShaderIdentifier(data, shaderHandleStorage, INDEX_MISS);
data += copyShaderIdentifier(data, shaderHandleStorage, INDEX_SHADOW_MISS);