diff options
| -rw-r--r-- | src/opengl/qegl.cpp | 49 |
1 files changed, 48 insertions, 1 deletions
diff --git a/src/opengl/qegl.cpp b/src/opengl/qegl.cpp index 165a0f3..aebc3cb 100644 --- a/src/opengl/qegl.cpp +++ b/src/opengl/qegl.cpp @@ -405,7 +405,54 @@ int QEglProperties::value(int name) const if (props[index] == name) return props[index + 1]; } - return EGL_DONT_CARE; + + // If the attribute has not been explicitly set, return the EGL default + // The following defaults were taken from the EGL 1.4 spec: + switch(name) { + case EGL_BUFFER_SIZE: return 0; + case EGL_RED_SIZE: return 0; + case EGL_GREEN_SIZE: return 0; + case EGL_BLUE_SIZE: return 0; + case EGL_LUMINANCE_SIZE: return 0; + case EGL_ALPHA_SIZE: return 0; + case EGL_ALPHA_MASK_SIZE: return 0; + case EGL_BIND_TO_TEXTURE_RGB: return EGL_DONT_CARE; + case EGL_BIND_TO_TEXTURE_RGBA: return EGL_DONT_CARE; + case EGL_COLOR_BUFFER_TYPE: return EGL_RGB_BUFFER; + case EGL_CONFIG_CAVEAT: return EGL_DONT_CARE; + case EGL_CONFIG_ID: return EGL_DONT_CARE; + case EGL_DEPTH_SIZE: return 0; + case EGL_LEVEL: return 0; + case EGL_NATIVE_RENDERABLE: return EGL_DONT_CARE; + case EGL_NATIVE_VISUAL_TYPE: return EGL_DONT_CARE; + case EGL_MAX_SWAP_INTERVAL: return EGL_DONT_CARE; + case EGL_MIN_SWAP_INTERVAL: return EGL_DONT_CARE; + case EGL_RENDERABLE_TYPE: return EGL_OPENGL_ES_BIT; + case EGL_SAMPLE_BUFFERS: return 0; + case EGL_SAMPLES: return 0; + case EGL_STENCIL_SIZE: return 0; + case EGL_SURFACE_TYPE: return EGL_WINDOW_BIT; + case EGL_TRANSPARENT_TYPE: return EGL_NONE; + case EGL_TRANSPARENT_RED_VALUE: return EGL_DONT_CARE; + case EGL_TRANSPARENT_GREEN_VALUE: return EGL_DONT_CARE; + case EGL_TRANSPARENT_BLUE_VALUE: return EGL_DONT_CARE; + +#if defined(EGL_VERSION_1_3) + case EGL_CONFORMANT: return 0; + case EGL_MATCH_NATIVE_PIXMAP: return EGL_NONE; +#endif + + case EGL_MAX_PBUFFER_HEIGHT: + case EGL_MAX_PBUFFER_WIDTH: + case EGL_MAX_PBUFFER_PIXELS: + case EGL_NATIVE_VISUAL_ID: + case EGL_NONE: + qWarning("QEglProperties::value() - Attibute %d does not affect config selection", name); + return 0; + default: + qWarning("QEglProperties::value() - Attibute %d is unknown in EGL <=1.4", name); + return EGL_DONT_CARE; + } } // Set the value associated with a property, replacing an existing |