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mutter-performance-source/clutter/cogl/common/cogl-material-private.h
Robert Bragg f85377372c [cogl] Updates all file headers and removes lots of trailing white space
Adds missing notices, and ensures all the notices are consistent. The Cogl
blurb also now reads:

 * Cogl
 *
 * An object oriented GL/GLES Abstraction/Utility Layer
2009-05-02 04:12:25 +01:00

124 lines
3.7 KiB
C

/*
* Cogl
*
* An object oriented GL/GLES Abstraction/Utility Layer
*
* Copyright (C) 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.
*
* Authors:
* Robert Bragg <robert@linux.intel.com>
*/
#ifndef __COGL_MATERIAL_PRIVATE_H
#define __COGL_MATERIAL_PRIVATE_H
#include "cogl-material.h"
#include "cogl-matrix.h"
#include "cogl-handle.h"
#include <glib.h>
typedef struct _CoglMaterial CoglMaterial;
typedef struct _CoglMaterialLayer CoglMaterialLayer;
/* XXX: I don't think gtk-doc supports having private enums so these aren't
* bundled in with CoglMaterialLayerFlags */
typedef enum _CoglMaterialLayerPrivFlags
{
/* Ref: CoglMaterialLayerFlags
COGL_MATERIAL_LAYER_FLAG_HAS_USER_MATRIX = 1L<<0
*/
COGL_MATERIAL_LAYER_FLAG_DIRTY = 1L<<1,
COGL_MATERIAL_LAYER_FLAG_DEFAULT_COMBINE = 1L<<2
} CoglMaterialLayerPrivFlags;
/* For tracking the state of a layer that's been flushed to OpenGL */
typedef struct _CoglLayerInfo
{
CoglHandle handle;
gulong flags;
GLenum gl_target;
GLuint gl_texture;
gboolean fallback;
gboolean disabled;
gboolean layer0_overridden;
} CoglLayerInfo;
struct _CoglMaterialLayer
{
CoglHandleObject _parent;
guint index; /*!< lowest index is blended first then others
on top */
gulong flags;
CoglHandle texture; /*!< The texture for this layer, or COGL_INVALID_HANDLE
for an empty layer */
/* Determines how the color of individual texture fragments
* are calculated. */
CoglMaterialLayerCombineFunc texture_combine_rgb_func;
CoglMaterialLayerCombineSrc texture_combine_rgb_src[3];
CoglMaterialLayerCombineOp texture_combine_rgb_op[3];
CoglMaterialLayerCombineFunc texture_combine_alpha_func;
CoglMaterialLayerCombineSrc texture_combine_alpha_src[3];
CoglMaterialLayerCombineOp texture_combine_alpha_op[3];
/* TODO: Support purely GLSL based material layers */
CoglMatrix matrix;
};
typedef enum _CoglMaterialFlags
{
COGL_MATERIAL_FLAG_ENABLE_BLEND = 1L<<0,
COGL_MATERIAL_FLAG_SHOWN_SAMPLER_WARNING = 1L<<1,
COGL_MATERIAL_FLAG_DEFAULT_COLOR = 1L<<2,
COGL_MATERIAL_FLAG_DEFAULT_GL_MATERIAL = 1L<<3,
COGL_MATERIAL_FLAG_DEFAULT_ALPHA_FUNC = 1L<<4,
COGL_MATERIAL_FLAG_DEFAULT_BLEND_FUNC = 1L<<5
} CoglMaterialFlags;
struct _CoglMaterial
{
CoglHandleObject _parent;
gulong flags;
/* If no lighting is enabled; this is the basic material color */
GLfloat unlit[4];
/* Standard OpenGL lighting model attributes */
GLfloat ambient[4];
GLfloat diffuse[4];
GLfloat specular[4];
GLfloat emission[4];
GLfloat shininess;
/* Determines what fragments are discarded based on their alpha */
CoglMaterialAlphaFunc alpha_func;
GLfloat alpha_func_reference;
/* Determines how this material is blended with other primitives */
CoglMaterialBlendFactor blend_src_factor;
CoglMaterialBlendFactor blend_dst_factor;
GList *layers;
};
#endif /* __COGL_MATERIAL_PRIVATE_H */