TrianglesWithMeshShader

Drawing Triangles Directly with Mesh Shader

Code Name: TrianglesWithMeshShader

Description

In this example, a maximum of 3 triangles are drawn on the screen using a mesh shader and the task/mesh pipeline.

Output

Controls

Input	Action
Esc	Close the window
1	Draw 1 triangle
2	Draw 2 triangles
3	Draw 3 triangles

Application Parameters

Settings

Parameter / Key	Type	Usage in Code	Description	Default Value
AppSettings.ClearColor	VkClearColorValue	AppSettings::ClearColor	Background color of the screen

Learning Objectives

• How to implement and use mesh shaders in Vulkan
• Using mesh/task pipeline instead of conventional graphics pipeline
• Drawing triangles on the screen by providing data directly from the mesh shader itself

Shader Status

Shader Type	Status	Notes
GLSL	✅
HLSL	❌	Will be implemented.
Slang	❌	Will be implemented.

Theoretical Background

None

Extensions Used

Instance

Window system-dependent extensions:

• VK_KHR_surface
• VK_KHR_win32_surface (Windows)

Device

• VK_KHR_swapchain
• VK_KHR_spirv_1_4
• VK_EXT_mesh_shader
• VK_KHR_shader_float_controls