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cogl-clip-stack: Convert to be a CoglHandle

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CoglClipStacks can now be reference counted via a CoglHandle. The
ClipClipState now stores handles in the list rather than CoglClipStack
pointers.
This commit is contained in:
Neil Roberts 2010-04-15 10:27:43 +01:00
parent aba7fb63cb
commit 3a58bc440b
3 changed files with 35 additions and 26 deletions
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28
clutter/cogl/cogl/cogl-clip-stack.c
View File

@ -40,6 +40,7 @@
#include "cogl-util.h"
#include "cogl-path-private.h"
typedef struct _CoglClipStack CoglClipStack;
typedef struct _CoglClipStackEntry CoglClipStackEntry;
typedef struct _CoglClipStackEntryRect CoglClipStackEntryRect;
typedef struct _CoglClipStackEntryWindowRect CoglClipStackEntryWindowRect;
@ -94,6 +95,8 @@ typedef enum
struct _CoglClipStack
{
CoglHandleObject _parent;
CoglClipStackEntry *stack_top;
};
@ -144,6 +147,12 @@ struct _CoglClipStackEntryPath
CoglHandle path;
};
static void _cogl_clip_stack_free (CoglClipStack *stack);
COGL_HANDLE_DEFINE (ClipStack, clip_stack);
#define COGL_CLIP_STACK(stack) ((CoglClipStack *) (stack))
static void
project_vertex (const CoglMatrix *modelview_matrix,
const CoglMatrix *projection_matrix,
@ -400,12 +409,13 @@ _cogl_clip_stack_push_entry (CoglClipStack *clip_stack,
}
void
_cogl_clip_stack_push_window_rectangle (CoglClipStack *stack,
_cogl_clip_stack_push_window_rectangle (CoglHandle handle,
int x_offset,
int y_offset,
int width,
int height)
{
CoglClipStack *stack = COGL_CLIP_STACK (handle);
CoglClipStackEntryWindowRect *entry;
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
@ -421,13 +431,14 @@ _cogl_clip_stack_push_window_rectangle (CoglClipStack *stack,
}
void
_cogl_clip_stack_push_rectangle (CoglClipStack *stack,
_cogl_clip_stack_push_rectangle (CoglHandle handle,
float x_1,
float y_1,
float x_2,
float y_2,
const CoglMatrix *modelview_matrix)
{
CoglClipStack *stack = COGL_CLIP_STACK (handle);
CoglClipStackEntryRect *entry;
/* Make a new entry */
@ -444,10 +455,11 @@ _cogl_clip_stack_push_rectangle (CoglClipStack *stack,
}
void
_cogl_clip_stack_push_from_path (CoglClipStack *stack,
_cogl_clip_stack_push_from_path (CoglHandle handle,
CoglHandle path,
const CoglMatrix *modelview_matrix)
{
CoglClipStack *stack = COGL_CLIP_STACK (handle);
CoglClipStackEntryPath *entry;
entry = _cogl_clip_stack_push_entry (stack,
@ -492,8 +504,9 @@ _cogl_clip_stack_entry_unref (CoglClipStackEntry *entry)
}
void
_cogl_clip_stack_pop (CoglClipStack *stack)
_cogl_clip_stack_pop (CoglHandle handle)
{
CoglClipStack *stack = COGL_CLIP_STACK (handle);
CoglClipStackEntry *entry;
g_return_if_fail (stack->stack_top != NULL);
@ -514,9 +527,10 @@ _cogl_clip_stack_pop (CoglClipStack *stack)
}
void
_cogl_clip_stack_flush (CoglClipStack *stack,
_cogl_clip_stack_flush (CoglHandle handle,
gboolean *stencil_used_p)
{
CoglClipStack *stack = COGL_CLIP_STACK (handle);
int has_clip_planes;
gboolean using_clip_planes = FALSE;
gboolean using_stencil_buffer = FALSE;
@ -647,7 +661,7 @@ _cogl_clip_stack_flush (CoglClipStack *stack,
*stencil_used_p = using_stencil_buffer;
}
CoglClipStack *
CoglHandle
_cogl_clip_stack_new (void)
{
CoglClipStack *stack;
@ -655,7 +669,7 @@ _cogl_clip_stack_new (void)
stack = g_slice_new (CoglClipStack);
stack->stack_top = NULL;
return stack;
return _cogl_clip_stack_handle_new (stack);
}
void

17
clutter/cogl/cogl/cogl-clip-stack.h
View File

@ -24,23 +24,18 @@
#ifndef __COGL_CLIP_STACK_H
#define __COGL_CLIP_STACK_H
typedef struct _CoglClipStack CoglClipStack;
CoglClipStack *
CoglHandle
_cogl_clip_stack_new (void);
void
_cogl_clip_stack_free (CoglClipStack *stack);
void
_cogl_clip_stack_push_window_rectangle (CoglClipStack *stack,
_cogl_clip_stack_push_window_rectangle (CoglHandle handle,
int x_offset,
int y_offset,
int width,
int height);
void
_cogl_clip_stack_push_rectangle (CoglClipStack *stack,
_cogl_clip_stack_push_rectangle (CoglHandle handle,
float x_1,
float y_1,
float x_2,
@ -48,14 +43,14 @@ _cogl_clip_stack_push_rectangle (CoglClipStack *stack,
const CoglMatrix *modelview_matrix);
void
_cogl_clip_stack_push_from_path (CoglClipStack *stack,
_cogl_clip_stack_push_from_path (CoglHandle handle,
CoglHandle path,
const CoglMatrix *modelview_matrix);
void
_cogl_clip_stack_pop (CoglClipStack *stack);
_cogl_clip_stack_pop (CoglHandle handle);
void
_cogl_clip_stack_flush (CoglClipStack *stack,
_cogl_clip_stack_flush (CoglHandle handle,
gboolean *stencil_used_p);
#endif /* __COGL_CLIP_STACK_H */

16
clutter/cogl/cogl/cogl-clip-state.c
View File

@ -47,7 +47,7 @@ cogl_clip_push_window_rectangle (int x_offset,
{
CoglHandle framebuffer;
CoglClipState *clip_state;
CoglClipStack *stack;
CoglHandle stack;
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
@ -174,7 +174,7 @@ cogl_clip_push_rectangle (float x_1,
{
CoglHandle framebuffer;
CoglClipState *clip_state;
CoglClipStack *stack;
CoglHandle stack;
CoglMatrix modelview_matrix;
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
@ -219,7 +219,7 @@ cogl_clip_push_from_path_preserve (void)
{
CoglHandle framebuffer;
CoglClipState *clip_state;
CoglClipStack *stack;
CoglHandle stack;
CoglMatrix modelview_matrix;
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
@ -252,7 +252,7 @@ cogl_clip_push_from_path (void)
static void
_cogl_clip_pop_real (CoglClipState *clip_state)
{
CoglClipStack *stack;
CoglHandle stack;
/* We don't log clip stack changes in the journal so we must flush
* it before making modifications */
@ -282,7 +282,7 @@ cogl_clip_pop (void)
void
_cogl_clip_state_flush (CoglClipState *clip_state)
{
CoglClipStack *stack;
CoglHandle stack;
if (!clip_state->stack_dirty)
return;
@ -316,7 +316,7 @@ cogl_clip_ensure (void)
static void
_cogl_clip_stack_save_real (CoglClipState *clip_state)
{
CoglClipStack *stack;
CoglHandle stack;
/* We don't log clip stack changes in the journal so we must flush
* it before making modifications */
@ -345,7 +345,7 @@ cogl_clip_stack_save (void)
static void
_cogl_clip_stack_restore_real (CoglClipState *clip_state)
{
CoglClipStack *stack;
CoglHandle stack;
g_return_if_fail (clip_state->stacks != NULL);
@ -355,7 +355,7 @@ _cogl_clip_stack_restore_real (CoglClipState *clip_state)
stack = clip_state->stacks->data;
_cogl_clip_stack_free (stack);
cogl_handle_unref (stack);
/* Revert to an old stack */
clip_state->stacks = g_slist_delete_link (clip_state->stacks,