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[cogl] Adds a debug option for disabling use of VBOs --cogl-debug=disable-vbos

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For testing the VBO fallback paths it helps to be able to disable the
COGL_FEATURE_VBOS feature flag.  When VBOs aren't available Cogl should use
client side malloc()'d buffers instead.
This commit is contained in:
Robert Bragg 2009-06-17 01:46:06 +01:00
parent 491ceaae07
commit 540a91c7fc
3 changed files with 7 additions and 2 deletions
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3
cogl-debug.h
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@ -40,7 +40,8 @@ typedef enum {
COGL_DEBUG_HANDLE = 1 << 8,
COGL_DEBUG_BLEND_STRINGS = 1 << 9,
COGL_DEBUG_DISABLE_BATCHING = 1 << 10,
COGL_DEBUG_FORCE_CLIENT_SIDE_MATRICES = 1 << 11
COGL_DEBUG_FORCE_CLIENT_SIDE_MATRICES = 1 << 11,
COGL_DEBUG_DISABLE_VBOS = 1 << 12
} CoglDebugFlags;
#ifdef COGL_ENABLE_DEBUG

3
common/cogl-debug.c
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@ -42,7 +42,8 @@ static const GDebugKey cogl_debug_keys[] = {
{ "handle", COGL_DEBUG_HANDLE },
{ "blend-strings", COGL_DEBUG_BLEND_STRINGS },
{ "disable-batching", COGL_DEBUG_DISABLE_BATCHING },
{ "client-side-matrices", COGL_DEBUG_FORCE_CLIENT_SIDE_MATRICES }
{ "client-side-matrices", COGL_DEBUG_FORCE_CLIENT_SIDE_MATRICES },
{ "disable-vbos", COGL_DEBUG_DISABLE_VBOS }
};
static const gint n_cogl_debug_keys = G_N_ELEMENTS (cogl_debug_keys);

3
common/cogl.c
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@ -574,6 +574,9 @@ cogl_get_features (void)
if (!ctx->features_cached)
_cogl_features_init ();
if (cogl_debug_flags & COGL_DEBUG_DISABLE_VBOS)
ctx->feature_flags &= ~COGL_FEATURE_VBOS;
return ctx->feature_flags;
}