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cogl-clip-state: Adapt to experimental cogl2 API.

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The current clip state implementation couldn't be used in
conjunction with the CoglPath experimental API.

http://bugzilla.clutter-project.org/show_bug.cgi?id=2594

Signed-off-by: Neil Roberts <neil@linux.intel.com>
This commit is contained in:
Jasper St. Pierre 2011-03-02 12:45:25 -05:00 committed by Neil Roberts
parent 9cba5b83bd
commit 0b9aa1fa24
8 changed files with 186 additions and 53 deletions
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5
clutter/cogl/cogl/Makefile.am
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@ -77,11 +77,13 @@ cogl_public_h = \
$(srcdir)/cogl-indices.h \
$(srcdir)/cogl-attribute.h \
$(srcdir)/cogl-primitive.h \
$(srcdir)/cogl-clip-state.h \
$(srcdir)/cogl.h \
$(NULL)
cogl_experimental_h = \
$(srcdir)/cogl2-path.h \
$(srcdir)/cogl2-clip-state.h \
$(NULL)
# driver sources
@ -182,8 +184,11 @@ cogl_sources_c = \
$(srcdir)/cogl-bitmap-pixbuf.c \
$(srcdir)/cogl-clip-stack.h \
$(srcdir)/cogl-clip-stack.c \
$(srcdir)/cogl-clip-state-private.h \
$(srcdir)/cogl-clip-state.h \
$(srcdir)/cogl-clip-state.c \
$(srcdir)/cogl2-clip-state.h \
$(srcdir)/cogl2-clip-state.c \
$(srcdir)/cogl-feature-private.h \
$(srcdir)/cogl-feature-private.c \
$(srcdir)/cogl-fixed.c \

53
clutter/cogl/cogl/cogl-clip-state-private.h Normal file
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@ -0,0 +1,53 @@
/*
* Cogl
*
* An object oriented GL/GLES Abstraction/Utility Layer
*
* Copyright (C) 2007,2008,2009,2010 Intel Corporation.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
*
*/
#ifndef __COGL_CLIP_STATE_PRIVATE_H
#define __COGL_CLIP_STATE_PRIVATE_H
#include "cogl-clip-stack.h"
typedef struct _CoglClipState CoglClipState;
struct _CoglClipState
{
/* Stack of CoglClipStacks */
GSList *stacks;
};
void
_cogl_clip_state_init (CoglClipState *state);
void
_cogl_clip_state_destroy (CoglClipState *state);
void
_cogl_clip_state_flush (CoglClipState *clip_state);
CoglClipStack *
_cogl_clip_state_get_stack (CoglClipState *clip_state);
void
_cogl_clip_state_set_stack (CoglClipState *clip_state,
CoglClipStack *clip_stack);
#endif /* __COGL_CLIP_STATE_PRIVATE_H */

20
clutter/cogl/cogl/cogl-clip-state.c
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@ -32,7 +32,7 @@
#include "cogl.h"
#include "cogl-clip-stack.h"
#include "cogl-clip-state.h"
#include "cogl-clip-state-private.h"
#include "cogl-context.h"
#include "cogl-internal.h"
#include "cogl-framebuffer-private.h"
@ -109,29 +109,17 @@ cogl_clip_push (float x_offset,
void
cogl_clip_push_from_path_preserve (void)
{
CoglFramebuffer *framebuffer;
CoglClipState *clip_state;
CoglMatrix modelview_matrix;
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
framebuffer = _cogl_get_draw_buffer ();
clip_state = _cogl_framebuffer_get_clip_state (framebuffer);
cogl_get_modelview_matrix (&modelview_matrix);
clip_state->stacks->data =
_cogl_clip_stack_push_from_path (clip_state->stacks->data,
ctx->current_path,
&modelview_matrix);
cogl2_clip_push_from_path (ctx->current_path);
}
#undef cogl_clip_push_from_path
void
cogl_clip_push_from_path (void)
{
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
cogl_clip_push_from_path_preserve ();
cogl2_clip_push_from_path (ctx->current_path);
cogl_object_unref (ctx->current_path);
ctx->current_path = cogl2_path_new ();

39
clutter/cogl/cogl/cogl-clip-state.h
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@ -21,33 +21,30 @@
*
*/
#if !defined(__COGL_H_INSIDE__) && !defined(CLUTTER_COMPILATION)
#error "Only <cogl/cogl.h> can be included directly."
#endif
#ifndef __COGL_CLIP_STATE_H
#define __COGL_CLIP_STATE_H
#include "cogl-clip-stack.h"
#include <cogl/cogl-types.h>
typedef struct _CoglClipState CoglClipState;
struct _CoglClipState
{
/* Stack of CoglClipStacks */
GSList *stacks;
};
G_BEGIN_DECLS
/**
* cogl_clip_push_from_path:
*
* Sets a new clipping area using the current path. The current path
* is then cleared. The clipping area is intersected with the previous
* clipping area. To restore the previous clipping area, call
* cogl_clip_pop().
*
* Since: 1.0
*/
void
_cogl_clip_state_init (CoglClipState *state);
cogl_clip_push_from_path (void);
void
_cogl_clip_state_destroy (CoglClipState *state);
void
_cogl_clip_state_flush (CoglClipState *clip_state);
CoglClipStack *
_cogl_clip_state_get_stack (CoglClipState *clip_state);
void
_cogl_clip_state_set_stack (CoglClipState *clip_state,
CoglClipStack *clip_stack);
G_END_DECLS
#endif /* __COGL_CLIP_STATE_H */

2
clutter/cogl/cogl/cogl-framebuffer-private.h
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@ -26,7 +26,7 @@
#include "cogl-handle.h"
#include "cogl-matrix-stack.h"
#include "cogl-clip-state.h"
#include "cogl-clip-state-private.h"
#include "cogl-journal-private.h"
typedef enum _CoglFramebufferType {

15
clutter/cogl/cogl/cogl.h
View File

@ -53,8 +53,10 @@
#include <cogl/cogl-primitives.h>
#ifdef COGL_ENABLE_EXPERIMENTAL_2_0_API
#include <cogl/cogl2-path.h>
#include <cogl/cogl2-clip-state.h>
#else
#include <cogl/cogl-path.h>
#include <cogl/cogl-clip-state.h>
#endif
#include <cogl/cogl-shader.h>
#include <cogl/cogl-texture.h>
@ -857,19 +859,6 @@ cogl_clip_push_rectangle (float x0,
float x1,
float y1);
/**
* cogl_clip_push_from_path:
*
* Sets a new clipping area using the current path. The current path
* is then cleared. The clipping area is intersected with the previous
* clipping area. To restore the previous clipping area, call
* cogl_clip_pop().
*
* Since: 1.0
*/
void
cogl_clip_push_from_path (void);
/**
* cogl_clip_push_from_path_preserve:
*

49
clutter/cogl/cogl/cogl2-clip-state.c Normal file
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@ -0,0 +1,49 @@
/*
* Cogl
*
* An object oriented GL/GLES Abstraction/Utility Layer
*
* Copyright (C) 2007,2008,2009,2010 Intel Corporation.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "cogl.h"
#include "cogl-clip-state-private.h"
#include "cogl-framebuffer-private.h"
#include "cogl-journal-private.h"
void
cogl2_clip_push_from_path (CoglPath *path)
{
CoglFramebuffer *framebuffer;
CoglClipState *clip_state;
CoglMatrix modelview_matrix;
framebuffer = _cogl_get_draw_buffer ();
clip_state = _cogl_framebuffer_get_clip_state (framebuffer);
cogl_get_modelview_matrix (&modelview_matrix);
clip_state->stacks->data =
_cogl_clip_stack_push_from_path (clip_state->stacks->data,
path,
&modelview_matrix);
}

52
clutter/cogl/cogl/cogl2-clip-state.h Normal file
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@ -0,0 +1,52 @@
/*
* Cogl
*
* An object oriented GL/GLES Abstraction/Utility Layer
*
* Copyright (C) 2007,2008,2009,2010 Intel Corporation.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
*
*/
#if !defined(__COGL_H_INSIDE__) && !defined(CLUTTER_COMPILATION)
#error "Only <cogl/cogl.h> can be included directly."
#endif
#ifndef __COGL2_CLIP_STATE_H
#define __COGL2_CLIP_STATE_H
#include <cogl/cogl-types.h>
G_BEGIN_DECLS
#define cogl_clip_push_from_path cogl2_clip_push_from_path
/**
* cogl_clip_push_from_path:
* @path: The path to clip with.
*
* Sets a new clipping area using @path. The clipping area is intersected
* with the previous clipping area. To restore the previous clipping area,
* call cogl_clip_pop().
*
* Since: 1.8
* Stability: Unstable
*/
void
cogl_clip_push_from_path (CoglPath *path);
G_END_DECLS
#endif /* __COGL2_CLIP_STATE_H */