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@Copilot Copilot AI commented Sep 2, 2025

The engine previously logged GPU information during startup but didn't provide an API to access this data programmatically. This enhancement adds a new getGpuInfo() method to the renderer abstraction that allows applications to query GPU hardware details and automatically adjust performance settings.

Key Features

New GpuInfo class provides structured access to:

  • GPU vendor (e.g., "NVIDIA Corporation", "Intel")
  • Renderer name (e.g., "GeForce GTX 1080", "Intel HD Graphics 4000")
  • OpenGL and GLSL version strings
  • OpenGL profile (Core vs Compatibility)

Smart device detection with isLowEndGpu() heuristic that identifies:

  • Intel integrated graphics (HD Graphics, UHD Graphics, Iris)
  • Software rendering (llvmpipe, Mesa, GDI Generic)
  • Low-end discrete GPUs (NVIDIA GT/MX series)

Usage Example

// Get GPU information from renderer
GpuInfo gpuInfo = renderer.getGpuInfo();

if (gpuInfo != null && gpuInfo.isLowEndGpu()) {
    // Automatically adjust for low-end devices
    settings.setTextureQuality(TextureQuality.LOW);
    settings.setShadowsEnabled(false);
    settings.setParticleCount(100);
} else {
    // Use high-quality settings for capable hardware
    settings.setTextureQuality(TextureQuality.HIGH);
    settings.setShadowsEnabled(true);
    settings.setParticleCount(1000);
}

// Access detailed GPU information
System.out.println("Running on: " + gpuInfo.getVendor() + " " + gpuInfo.getRenderer());

Implementation Details

  • Minimal changes: Only 30 lines modified across 3 existing files
  • Backward compatible: No breaking changes to existing APIs
  • Efficient: GPU info is captured once during initialization (no performance impact)
  • Comprehensive testing: Full test suite covering edge cases and integration scenarios

The GLRenderer now stores GPU information during initialization instead of just logging it, while NullRenderer appropriately returns null for headless/test scenarios.

This enables applications to implement adaptive performance profiling based on actual hardware capabilities, improving user experience across diverse device configurations.

Fixes #2.

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  • dl.google.com
    • Triggering command: /usr/lib/jvm/temurin-17-jdk-amd64/bin/java --add-opens=java.base/java.lang=ALL-UNNAMED --add-opens=java.base/java.lang.invoke=ALL-UNNAMED --add-opens=java.base/java.util=ALL-UNNAMED --add-opens=java.prefs/java.util.prefs=ALL-UNNAMED --add-exports=jdk.compiler/com.sun.tools.javac.api=ALL-UNNAMED --add-exports=jdk.compiler/com.sun.tools.javac.util=ALL-UNNAMED --add-opens=java.base/java.util=ALL-UNNAMED --add-opens=java.prefs/java.util.prefs=ALL-UNNAMED --add-opens=java.base/java.nio.charset=ALL-UNNAMED --add-opens=java.base/java.net=ALL-UNNAMED --add-opens=java.base/java.util.concurrent.atomic=ALL-UNNAMED --add-opens=java.xml/javax.xml.namespace=ALL-UNNAMED -XX:MaxMetaspaceSize=1g -XX:+HeapDumpOnOutOfMemoryError -Xmx4g -Dfile.encoding=UTF-8 -Duser.country -Duser.language=en -Duser.variant -cp /home/REDACTED/.gradle/wrapper/dists/gradle-8.13-bin/5xuhj0ry160q40clulazy9h7d/gradle-8.13/lib/gradle-daemon-main-8.13.jar -javaagent:/home/REDACTED/.gradle/wrapper/dists/gradle-8.13-bin/5xuhj0ry160q40clulazy9h7d/gradle-8.13/lib/agents/gradle-instrumentation-agent-8.13.jar org.gradle.launcher.daemon.bootstrap.GradleDaemon 8.13 (dns block)

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Copilot AI commented Sep 2, 2025

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Co-authored-by: riccardobl <4943530+riccardobl@users.noreply.github.com>
@Copilot Copilot AI changed the title [WIP] Add method to get gpu info Add GPU information API to renderer abstraction Sep 2, 2025
Copilot finished work on behalf of riccardobl September 2, 2025 18:05
@Copilot Copilot AI requested a review from riccardobl September 2, 2025 18:05
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Add method to get gpu info
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