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- Catch exception from GlCapabilities to detect vulkanmod and similar
This commit is contained in:
Jozufozu 2024-05-10 17:11:49 -07:00
parent b95201f001
commit 4546de8987
1 changed files with 33 additions and 1 deletions
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34
common/src/backend/java/com/jozufozu/flywheel/backend/gl/GlCompat.java
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@ -2,6 +2,7 @@ package com.jozufozu.flywheel.backend.gl;
import java.nio.ByteBuffer;
import org.jetbrains.annotations.UnknownNullability;
import org.lwjgl.PointerBuffer;
import org.lwjgl.opengl.GL;
import org.lwjgl.opengl.GL20;
@ -11,12 +12,26 @@ import org.lwjgl.opengl.GLCapabilities;
import org.lwjgl.opengl.KHRShaderSubgroup;
import org.lwjgl.system.MemoryStack;
import com.jozufozu.flywheel.Flywheel;
import com.jozufozu.flywheel.backend.compile.core.Compilation;
import com.jozufozu.flywheel.backend.glsl.GlslVersion;
import com.jozufozu.flywheel.lib.math.MoreMath;
public final class GlCompat {
public static final GLCapabilities CAPABILITIES = GL.getCapabilities();
@UnknownNullability
public static final GLCapabilities CAPABILITIES;
static {
GLCapabilities caps;
try {
caps = GL.getCapabilities();
} catch (IllegalStateException e) {
// This happens with vulkanmod installed.
Flywheel.LOGGER.warn("Failed to get GL capabilities, all flywheel backends will be disabled.");
caps = null;
}
CAPABILITIES = caps;
}
public static final Driver DRIVER = readVendorString();
public static final int SUBGROUP_SIZE = subgroupSize();
public static final boolean ALLOW_DSA = true;
@ -57,6 +72,10 @@ public final class GlCompat {
}
private static Driver readVendorString() {
if (CAPABILITIES == null) {
return Driver.UNKNOWN;
}
String vendor = GL20C.glGetString(GL20C.GL_VENDOR);
if (vendor == null) {
@ -78,6 +97,9 @@ public final class GlCompat {
}
private static int subgroupSize() {
if (CAPABILITIES == null) {
return 32;
}
if (CAPABILITIES.GL_KHR_shader_subgroup) {
return GL31C.glGetInteger(KHRShaderSubgroup.GL_SUBGROUP_SIZE_KHR);
}
@ -91,6 +113,9 @@ public final class GlCompat {
}
private static boolean isInstancingSupported() {
if (CAPABILITIES == null) {
return false;
}
if (CAPABILITIES.OpenGL33) {
return true;
}
@ -98,6 +123,9 @@ public final class GlCompat {
}
private static boolean isIndirectSupported() {
if (CAPABILITIES == null) {
return false;
}
if (CAPABILITIES.OpenGL46) {
return true;
}
@ -118,6 +146,10 @@ public final class GlCompat {
* @return The highest glsl version that could be compiled.
*/
private static GlslVersion maxGlslVersion() {
if (CAPABILITIES == null) {
return GlslVersion.V150;
}
var glslVersions = GlslVersion.values();
// No need to test glsl 150 as that is guaranteed to be supported by MC.
for (int i = glslVersions.length - 1; i > 0; i--) {