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Improve detection of subgroup Capabilities in compute shader

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mcrcortex
2025-08-25 12:47:27 +10:00
parent 2fd686a5e6
commit c92c1d5b4a
1 changed files with 12 additions and 1 deletions
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13
src/main/java/me/cortex/voxy/client/core/gl/Capabilities.java
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@@ -29,7 +29,6 @@ public class Capabilities {
public Capabilities() { public Capabilities() {
var cap = GL.getCapabilities(); var cap = GL.getCapabilities();
this.compute = cap.glDispatchComputeIndirect != 0; this.compute = cap.glDispatchComputeIndirect != 0;
this.subgroup = cap.GL_KHR_shader_subgroup;
this.indirectParameters = cap.glMultiDrawElementsIndirectCountARB != 0; this.indirectParameters = cap.glMultiDrawElementsIndirectCountARB != 0;
this.repFragTest = cap.GL_NV_representative_fragment_test; this.repFragTest = cap.GL_NV_representative_fragment_test;
this.meshShaders = cap.GL_NV_mesh_shader; this.meshShaders = cap.GL_NV_mesh_shader;
@@ -44,6 +43,18 @@ public class Capabilities {
uint64_t a = 1234; uint64_t a = 1234;
} }
"""); """);
if (cap.GL_KHR_shader_subgroup) {
this.subgroup = testShaderCompilesOk(ShaderType.COMPUTE, """
#version 430
#extension GL_KHR_shader_subgroup_basic : require
layout(local_size_x=32) in;
void main() {
uint64_t a = 1234;
}
""");
} else {
this.subgroup = false;
}
this.ssboMaxSize = glGetInteger64(GL_MAX_SHADER_STORAGE_BLOCK_SIZE); this.ssboMaxSize = glGetInteger64(GL_MAX_SHADER_STORAGE_BLOCK_SIZE);