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https://github.com/brl/mutter.git
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19b8622983
This implements a variation of frustum culling whereby we convert screen space clip rectangles into eye space mini-frustums so that we don't have to repeatedly transform actor paint-volumes all the way into screen coordinates to perform culling, we just have to apply the modelview transform and then determine each points distance from the planes that make up the clip frustum. By avoiding the projective transform, perspective divide and viewport scale for each point culled this makes culling much cheaper.
118 lines
4.8 KiB
C
118 lines
4.8 KiB
C
#ifndef __CLUTTER_DEBUG_H__
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#define __CLUTTER_DEBUG_H__
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#include <glib.h>
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#include "clutter-main.h"
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#include "clutter-profile.h"
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G_BEGIN_DECLS
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typedef enum {
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CLUTTER_DEBUG_MISC = 1 << 0,
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CLUTTER_DEBUG_ACTOR = 1 << 1,
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CLUTTER_DEBUG_TEXTURE = 1 << 2,
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CLUTTER_DEBUG_EVENT = 1 << 3,
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CLUTTER_DEBUG_PAINT = 1 << 4,
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CLUTTER_DEBUG_GL = 1 << 5,
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CLUTTER_DEBUG_ALPHA = 1 << 6,
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CLUTTER_DEBUG_BEHAVIOUR = 1 << 7,
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CLUTTER_DEBUG_PANGO = 1 << 8,
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CLUTTER_DEBUG_BACKEND = 1 << 9,
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CLUTTER_DEBUG_SCHEDULER = 1 << 10,
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CLUTTER_DEBUG_SCRIPT = 1 << 11,
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CLUTTER_DEBUG_SHADER = 1 << 12,
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CLUTTER_DEBUG_MULTISTAGE = 1 << 13,
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CLUTTER_DEBUG_ANIMATION = 1 << 14,
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CLUTTER_DEBUG_LAYOUT = 1 << 15,
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CLUTTER_DEBUG_PICK = 1 << 16,
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CLUTTER_DEBUG_EVENTLOOP = 1 << 17,
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CLUTTER_DEBUG_CLIPPING = 1 << 18
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} ClutterDebugFlag;
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typedef enum {
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CLUTTER_DEBUG_NOP_PICKING = 1 << 0,
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CLUTTER_DEBUG_DUMP_PICK_BUFFERS = 1 << 1
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} ClutterPickDebugFlag;
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typedef enum {
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CLUTTER_DEBUG_DISABLE_SWAP_EVENTS = 1 << 0,
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CLUTTER_DEBUG_DISABLE_CLIPPED_REDRAWS = 1 << 1,
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CLUTTER_DEBUG_REDRAWS = 1 << 2,
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CLUTTER_DEBUG_PAINT_VOLUMES = 1 << 3,
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CLUTTER_DEBUG_DISABLE_CULLING = 1 << 4
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} ClutterDrawDebugFlag;
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#ifdef CLUTTER_ENABLE_DEBUG
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#define CLUTTER_HAS_DEBUG(type) ((clutter_debug_flags & CLUTTER_DEBUG_##type) != FALSE)
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#ifdef __GNUC__
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/* Try the GCC extension for valists in macros */
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#define CLUTTER_NOTE(type,x,a...) G_STMT_START { \
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if (G_UNLIKELY (CLUTTER_HAS_DEBUG (type))) \
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{ _clutter_profile_trace_message ("[" #type "] " \
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G_STRLOC ": " x, ##a); } \
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} G_STMT_END
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#define CLUTTER_TIMESTAMP(type,x,a...) G_STMT_START { \
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if (G_UNLIKELY (CLUTTER_HAS_DEBUG (type))) \
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{ g_message ("[" #type "]" " %li:" G_STRLOC ": " \
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x, clutter_get_timestamp(), ##a); } \
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} G_STMT_END
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#else /* !__GNUC__ */
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/* Try the C99 version; unfortunately, this does not allow us to pass
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* empty arguments to the macro, which means we have to
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* do an intemediate printf.
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*/
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#define CLUTTER_NOTE(type,...) G_STMT_START { \
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if (G_UNLIKELY (CLUTTER_HAS_DEBUG (type))) \
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{ \
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gchar * _fmt = g_strdup_printf (__VA_ARGS__); \
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_clutter_profile_trace_message ("[" #type "] " \
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G_STRLOC ": %s",_fmt); \
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g_free (_fmt); \
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} \
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} G_STMT_END
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#define CLUTTER_TIMESTAMP(type,...) G_STMT_START { \
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if (G_UNLIKELY (CLUTTER_HAS_DEBUG (type))) \
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{ \
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gchar * _fmt = g_strdup_printf (__VA_ARGS__); \
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g_message ("[" #type "]" " %li:" G_STRLOC ": %s", \
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clutter_get_timestamp(), _fmt); \
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g_free (_fmt); \
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} \
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} G_STMT_END
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#endif
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#define CLUTTER_MARK() CLUTTER_NOTE(MISC, "== mark ==")
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#define CLUTTER_DBG(x) { a }
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#define CLUTTER_GLERR() G_STMT_START { \
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if (clutter_debug_flags & CLUTTER_DEBUG_GL) { \
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GLenum _err = glGetError (); /* roundtrip */ \
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if (_err != GL_NO_ERROR) \
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g_warning (G_STRLOC ": GL Error %x", _err); \
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} } G_STMT_END
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#else /* !CLUTTER_ENABLE_DEBUG */
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#define CLUTTER_NOTE(type,...) G_STMT_START { } G_STMT_END
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#define CLUTTER_MARK() G_STMT_START { } G_STMT_END
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#define CLUTTER_DBG(x) G_STMT_START { } G_STMT_END
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#define CLUTTER_GLERR() G_STMT_START { } G_STMT_END
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#define CLUTTER_TIMESTAMP(type,...) G_STMT_START { } G_STMT_END
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#define CLUTTER_HAS_DEBUG(type) FALSE
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#endif /* CLUTTER_ENABLE_DEBUG */
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extern guint clutter_debug_flags;
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extern guint clutter_pick_debug_flags;
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extern guint clutter_paint_debug_flags;
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G_END_DECLS
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#endif /* __CLUTTER_DEBUG_H__ */
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