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d40cdfa3e1
This migrates all the GLX window system code down from the Clutter backend code into a Cogl winsys. Moving OpenGL window system binding code down from Clutter into Cogl is the biggest blocker to having Cogl become a standalone 3D graphics library, so this is an important step in that direction.
136 lines
3.7 KiB
C
136 lines
3.7 KiB
C
/*
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* Cogl
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*
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* An object oriented GL/GLES Abstraction/Utility Layer
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*
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* Copyright (C) 2007,2008,2009,2010 Intel Corporation.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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*
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*/
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#ifndef __COGL_INTERNAL_H
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#define __COGL_INTERNAL_H
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#include "cogl.h"
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#include "cogl-matrix-stack.h"
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#include "cogl-bitmask.h"
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#ifdef COGL_HAS_XLIB_SUPPORT
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#include <X11/Xutil.h>
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#endif
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typedef enum
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{
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COGL_FRONT_WINDING_CLOCKWISE,
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COGL_FRONT_WINDING_COUNTER_CLOCKWISE
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} CoglFrontWinding;
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typedef enum {
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COGL_BOXED_NONE,
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COGL_BOXED_INT,
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COGL_BOXED_FLOAT,
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COGL_BOXED_MATRIX
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} CoglBoxedType;
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typedef struct _CoglBoxedValue
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{
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CoglBoxedType type;
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int size, count;
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gboolean transpose;
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union {
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float float_value[4];
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int int_value[4];
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float matrix[16];
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float *float_array;
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int *int_array;
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void *array;
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} v;
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} CoglBoxedValue;
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#ifdef COGL_GL_DEBUG
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const char *
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cogl_gl_error_to_string (GLenum error_code);
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#define GE(x) G_STMT_START { \
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GLenum __err; \
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(x); \
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while ((__err = glGetError ()) != GL_NO_ERROR) \
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{ \
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g_warning ("%s: GL error (%d): %s\n", \
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G_STRLOC, \
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__err, \
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cogl_gl_error_to_string (__err)); \
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} } G_STMT_END
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#define GE_RET(ret, x) G_STMT_START { \
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GLenum __err; \
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ret = (x); \
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while ((__err = glGetError ()) != GL_NO_ERROR) \
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{ \
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g_warning ("%s: GL error (%d): %s\n", \
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G_STRLOC, \
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__err, \
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cogl_gl_error_to_string (__err)); \
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} } G_STMT_END
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#else /* !COGL_GL_DEBUG */
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#define GE(x) (x)
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#define GE_RET(ret, x) (ret = (x))
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#endif /* COGL_GL_DEBUG */
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#define COGL_ENABLE_ALPHA_TEST (1<<1)
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#define COGL_ENABLE_VERTEX_ARRAY (1<<2)
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#define COGL_ENABLE_COLOR_ARRAY (1<<3)
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#define COGL_ENABLE_BACKFACE_CULLING (1<<4)
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int
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_cogl_get_format_bpp (CoglPixelFormat format);
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void
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_cogl_enable (unsigned long flags);
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unsigned long
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_cogl_get_enable (void);
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void
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_cogl_flush_face_winding (void);
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void
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_cogl_transform_point (const CoglMatrix *matrix_mv,
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const CoglMatrix *matrix_p,
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const float *viewport,
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float *x,
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float *y);
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#define COGL_DRIVER_ERROR (_cogl_driver_error_quark ())
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typedef enum { /*< prefix=COGL_DRIVER_ERROR >*/
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COGL_DRIVER_ERROR_UNKNOWN_VERSION,
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COGL_DRIVER_ERROR_INVALID_VERSION
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} CoglDriverError;
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gboolean
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_cogl_check_extension (const char *name, const char *ext);
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GQuark
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_cogl_driver_error_quark (void);
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#endif /* __COGL_INTERNAL_H */
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