mirror of
https://github.com/brl/mutter.git
synced 2024-11-22 08:00:42 -05:00
0adc2c458d
Some GL functions have a return value that the GE() macro is not able to handle. Let's define a new Ge_RET() macro which will be able to handle functions such as glMapBuffer(). While at it, removed the unused variadic dots to the GE() macro.
123 lines
3.5 KiB
C
123 lines
3.5 KiB
C
/*
|
|
* Cogl
|
|
*
|
|
* An object oriented GL/GLES Abstraction/Utility Layer
|
|
*
|
|
* Copyright (C) 2007,2008,2009 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, write to the
|
|
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
#ifndef __COGL_INTERNAL_H
|
|
#define __COGL_INTERNAL_H
|
|
|
|
#include "cogl.h"
|
|
#include "cogl-matrix-stack.h"
|
|
|
|
typedef enum
|
|
{
|
|
COGL_FRONT_WINDING_CLOCKWISE,
|
|
COGL_FRONT_WINDING_COUNTER_CLOCKWISE
|
|
} CoglFrontWinding;
|
|
|
|
#ifdef HAVE_COGL_GLES2
|
|
typedef enum {
|
|
COGL_BOXED_NONE,
|
|
COGL_BOXED_INT,
|
|
COGL_BOXED_FLOAT,
|
|
COGL_BOXED_MATRIX
|
|
} CoglBoxedType;
|
|
|
|
typedef struct _CoglBoxedValue
|
|
{
|
|
CoglBoxedType type;
|
|
int size, count;
|
|
gboolean transpose;
|
|
|
|
union {
|
|
gfloat float_value[4];
|
|
gint int_value[4];
|
|
gfloat matrix[16];
|
|
gfloat *float_array;
|
|
gint *int_array;
|
|
gpointer array;
|
|
} v;
|
|
} CoglBoxedValue;
|
|
#endif
|
|
|
|
#ifdef COGL_GL_DEBUG
|
|
|
|
const gchar *cogl_gl_error_to_string (GLenum error_code);
|
|
|
|
#define GE(x) G_STMT_START { \
|
|
GLenum __err; \
|
|
(x); \
|
|
while ((__err = glGetError ()) != GL_NO_ERROR) \
|
|
{ \
|
|
g_warning ("%s: GL error (%d): %s\n", \
|
|
G_STRLOC, \
|
|
__err, \
|
|
cogl_gl_error_to_string (__err)); \
|
|
} } G_STMT_END
|
|
|
|
#define GE_RET(ret, x) G_STMT_START { \
|
|
GLenum __err; \
|
|
ret = (x); \
|
|
while ((__err = glGetError ()) != GL_NO_ERROR) \
|
|
{ \
|
|
g_warning ("%s: GL error (%d): %s\n", \
|
|
G_STRLOC, \
|
|
__err, \
|
|
cogl_gl_error_to_string (__err)); \
|
|
} } G_STMT_END
|
|
|
|
#else /* !COGL_GL_DEBUG */
|
|
|
|
#define GE(x) (x)
|
|
#define GE_RET(ret, x) (ret = (x))
|
|
|
|
#endif /* COGL_GL_DEBUG */
|
|
|
|
#define COGL_ENABLE_BLEND (1<<1)
|
|
#define COGL_ENABLE_ALPHA_TEST (1<<2)
|
|
#define COGL_ENABLE_VERTEX_ARRAY (1<<3)
|
|
#define COGL_ENABLE_COLOR_ARRAY (1<<4)
|
|
#define COGL_ENABLE_BACKFACE_CULLING (1<<5)
|
|
|
|
void _cogl_features_init (void);
|
|
gint _cogl_get_format_bpp (CoglPixelFormat format);
|
|
|
|
void cogl_enable (gulong flags);
|
|
gulong cogl_get_enable (void);
|
|
|
|
typedef struct _CoglTextureUnit
|
|
{
|
|
int index;
|
|
CoglMatrixStack *matrix_stack;
|
|
} CoglTextureUnit;
|
|
|
|
CoglTextureUnit *
|
|
_cogl_get_texture_unit (int index_);
|
|
void
|
|
_cogl_destroy_texture_units (void);
|
|
guint
|
|
_cogl_get_max_texture_image_units (void);
|
|
|
|
void
|
|
_cogl_flush_face_winding (void);
|
|
|
|
#endif /* __COGL_INTERNAL_H */
|