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72f4ddf532
Since using addresses that might change is something that finally the FSF acknowledge as a plausible scenario (after changing address twice), the license blurb in the source files should use the URI for getting the license in case the library did not come with it. Not that URIs cannot possibly change, but at least it's easier to set up a redirection at the same place. As a side note: this commit closes the oldes bug in Clutter's bug report tool. http://bugzilla.openedhand.com/show_bug.cgi?id=521
160 lines
3.8 KiB
C
160 lines
3.8 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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typedef struct _floatVec2
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{
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float x;
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float y;
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} floatVec2;
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typedef struct _CoglPathNode
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{
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float x;
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float y;
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unsigned int path_size;
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} CoglPathNode;
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typedef struct _CoglBezQuad
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{
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floatVec2 p1;
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floatVec2 p2;
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floatVec2 p3;
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} CoglBezQuad;
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typedef struct _CoglBezCubic
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{
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floatVec2 p1;
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floatVec2 p2;
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floatVec2 p3;
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floatVec2 p4;
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} CoglBezCubic;
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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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#ifdef HAVE_COGL_GLES2
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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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gpointer array;
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} v;
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} CoglBoxedValue;
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#endif
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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_BLEND (1<<1)
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#define COGL_ENABLE_ALPHA_TEST (1<<2)
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#define COGL_ENABLE_VERTEX_ARRAY (1<<3)
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#define COGL_ENABLE_COLOR_ARRAY (1<<4)
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#define COGL_ENABLE_BACKFACE_CULLING (1<<5)
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void
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_cogl_features_init (void);
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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 (gulong flags);
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unsigned long
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cogl_get_enable (void);
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typedef struct _CoglTextureUnit
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{
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int index;
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CoglMatrixStack *matrix_stack;
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} CoglTextureUnit;
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CoglTextureUnit *
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_cogl_get_texture_unit (int index_);
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void
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_cogl_destroy_texture_units (void);
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unsigned int
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_cogl_get_max_texture_image_units (void);
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void
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_cogl_flush_face_winding (void);
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#endif /* __COGL_INTERNAL_H */
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