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path 2.0: update path API for experimental 2.0 API

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When COGL_ENABLE_EXPERIMENTAL_2_0_API is defined cogl.h will now include
cogl2-path.h which changes cogl_path_new() so it can directly return a
CoglPath pointer; it no longer exposes a prototype for
cogl_{get,set}_path and all the remaining cogl_path_ functions now take
an explicit path as their first argument.

The idea is that we want to encourage developers to retain path objects
for as long as possible so they can take advantage of us uploading the
path geometry to the GPU. Currently although it is possible to start a
new path and query the current path, it is not convenient.

The other thing is that we want to get Cogl to the point where nothing
depends on a global, current context variable. This will allow us to one
day define a sensible threading model if/when that is ever desired.
This commit is contained in:
Robert Bragg
2010-11-04 00:27:47 +00:00
parent 1b75ad9c80
commit cce8645aba
11 changed files with 2087 additions and 1310 deletions
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14
cogl/cogl-path-private.h
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@ -24,10 +24,7 @@
#ifndef __COGL_PATH_PRIVATE_H
#define __COGL_PATH_PRIVATE_H
#include "cogl-handle.h"
#include "cogl-path.h"
#define COGL_PATH(tex) ((CoglPath *)(tex))
#include "cogl-object.h"
typedef struct _floatVec2
{
@ -61,9 +58,9 @@ typedef struct _CoglPathData CoglPathData;
struct _CoglPath
{
CoglHandleObject _parent;
CoglObject _parent;
CoglPathData *data;
CoglPathData *data;
};
#define COGL_PATH_N_ATTRIBUTES 2
@ -88,11 +85,6 @@ struct _CoglPathData
CoglVertexAttribute *vbo_attributes[COGL_PATH_N_ATTRIBUTES + 1];
};
/* This is an internal version of cogl_path_new that doesn't affect
the current path and just creates a new handle */
CoglPath *
_cogl_path_new (void);
void
_cogl_add_path_to_stencil_buffer (CoglPath *path,
gboolean merge,