7e9685294e
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
124 lines
3.7 KiB
C
124 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) 2008,2009 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, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*
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* Authors:
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* Robert Bragg <robert@linux.intel.com>
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*/
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#ifndef __COGL_MATERIAL_PRIVATE_H
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#define __COGL_MATERIAL_PRIVATE_H
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#include "cogl-material.h"
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#include "cogl-matrix.h"
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#include "cogl-handle.h"
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#include <glib.h>
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typedef struct _CoglMaterial CoglMaterial;
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typedef struct _CoglMaterialLayer CoglMaterialLayer;
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/* XXX: I don't think gtk-doc supports having private enums so these aren't
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* bundled in with CoglMaterialLayerFlags */
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typedef enum _CoglMaterialLayerPrivFlags
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{
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/* Ref: CoglMaterialLayerFlags
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COGL_MATERIAL_LAYER_FLAG_HAS_USER_MATRIX = 1L<<0
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*/
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COGL_MATERIAL_LAYER_FLAG_DIRTY = 1L<<1,
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COGL_MATERIAL_LAYER_FLAG_DEFAULT_COMBINE = 1L<<2
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} CoglMaterialLayerPrivFlags;
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/* For tracking the state of a layer that's been flushed to OpenGL */
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typedef struct _CoglLayerInfo
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{
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CoglHandle handle;
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gulong flags;
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GLenum gl_target;
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GLuint gl_texture;
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gboolean fallback;
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gboolean disabled;
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gboolean layer0_overridden;
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} CoglLayerInfo;
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struct _CoglMaterialLayer
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{
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CoglHandleObject _parent;
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guint index; /*!< lowest index is blended first then others
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on top */
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gulong flags;
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CoglHandle texture; /*!< The texture for this layer, or COGL_INVALID_HANDLE
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for an empty layer */
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/* Determines how the color of individual texture fragments
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* are calculated. */
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CoglMaterialLayerCombineFunc texture_combine_rgb_func;
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CoglMaterialLayerCombineSrc texture_combine_rgb_src[3];
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CoglMaterialLayerCombineOp texture_combine_rgb_op[3];
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CoglMaterialLayerCombineFunc texture_combine_alpha_func;
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CoglMaterialLayerCombineSrc texture_combine_alpha_src[3];
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CoglMaterialLayerCombineOp texture_combine_alpha_op[3];
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/* TODO: Support purely GLSL based material layers */
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CoglMatrix matrix;
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};
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typedef enum _CoglMaterialFlags
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{
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COGL_MATERIAL_FLAG_ENABLE_BLEND = 1L<<0,
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COGL_MATERIAL_FLAG_SHOWN_SAMPLER_WARNING = 1L<<1,
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COGL_MATERIAL_FLAG_DEFAULT_COLOR = 1L<<2,
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COGL_MATERIAL_FLAG_DEFAULT_GL_MATERIAL = 1L<<3,
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COGL_MATERIAL_FLAG_DEFAULT_ALPHA_FUNC = 1L<<4,
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COGL_MATERIAL_FLAG_DEFAULT_BLEND_FUNC = 1L<<5
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} CoglMaterialFlags;
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struct _CoglMaterial
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{
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CoglHandleObject _parent;
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gulong flags;
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/* If no lighting is enabled; this is the basic material color */
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GLfloat unlit[4];
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/* Standard OpenGL lighting model attributes */
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GLfloat ambient[4];
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GLfloat diffuse[4];
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GLfloat specular[4];
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GLfloat emission[4];
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GLfloat shininess;
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/* Determines what fragments are discarded based on their alpha */
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CoglMaterialAlphaFunc alpha_func;
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GLfloat alpha_func_reference;
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/* Determines how this material is blended with other primitives */
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CoglMaterialBlendFactor blend_src_factor;
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CoglMaterialBlendFactor blend_dst_factor;
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GList *layers;
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};
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#endif /* __COGL_MATERIAL_PRIVATE_H */
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