glx: Implement GLX_EXT_get_drawable_type
Trivial extension to let the client query whether this is a window pixmap or pbuffer. Mostly for Mesa's convenience when setting up drawable state, but plausibly useful for apps and middleware as well. Upstream OpenGL Registry merge request: https://github.com/KhronosGroup/OpenGL-Registry/pull/425
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@ -86,6 +86,7 @@ static const struct extension_info known_glx_extensions[] = {
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{ GLX(EXT_create_context_es2_profile), VER(0,0), N, },
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{ GLX(EXT_fbconfig_packed_float), VER(0,0), N, },
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{ GLX(EXT_framebuffer_sRGB), VER(0,0), N, },
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{ GLX(EXT_get_drawable_type), VER(0,0), Y, },
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{ GLX(EXT_import_context), VER(0,0), N, },
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{ GLX(EXT_libglvnd), VER(0,0), N, },
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{ GLX(EXT_no_config_context), VER(0,0), N, },
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@ -47,6 +47,7 @@ enum {
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EXT_create_context_es_profile_bit,
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EXT_create_context_es2_profile_bit,
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EXT_fbconfig_packed_float_bit,
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EXT_get_drawable_type_bit,
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EXT_import_context_bit,
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EXT_libglvnd_bit,
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EXT_no_config_context_bit,
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@ -1860,7 +1860,7 @@ DoGetDrawableAttributes(__GLXclientState * cl, XID drawId)
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xGLXGetDrawableAttributesReply reply;
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__GLXdrawable *pGlxDraw = NULL;
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DrawablePtr pDraw;
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CARD32 attributes[18];
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CARD32 attributes[20];
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int num = 0, error;
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if (!validGlxDrawable(client, drawId, GLX_DRAWABLE_ANY,
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@ -1897,6 +1897,14 @@ DoGetDrawableAttributes(__GLXclientState * cl, XID drawId)
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ATTRIB(GLX_STEREO_TREE_EXT, 0);
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}
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}
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/* GLX_EXT_get_drawable_type */
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if (!pGlxDraw || pGlxDraw->type == GLX_DRAWABLE_WINDOW)
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ATTRIB(GLX_DRAWABLE_TYPE, GLX_WINDOW_BIT);
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else if (pGlxDraw->type == GLX_DRAWABLE_PIXMAP)
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ATTRIB(GLX_DRAWABLE_TYPE, GLX_PIXMAP_BIT);
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else if (pGlxDraw->type == GLX_DRAWABLE_PBUFFER)
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ATTRIB(GLX_DRAWABLE_TYPE, GLX_PBUFFER_BIT);
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#undef ATTRIB
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reply = (xGLXGetDrawableAttributesReply) {
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