-/* $Id: mtypes.h,v 1.108 2003/03/29 17:01:00 brianp Exp $ */
+/**
+ * \file mtypes.h
+ * Main Mesa data structures.
+ *
+ * Please try to mark derived values with a leading underscore ('_').
+ */
/*
* Mesa 3-D graphics library
- * Version: 4.1
+ * Version: 5.1
*
- * Copyright (C) 1999-2002 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2003 Brian Paul All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
-/**
- * \file mtypes.h
- * \brief Main Mesa data structures.
- */
+
#ifndef TYPES_H
#define TYPES_H
#include "config.h" /* Hardwired parameters */
#include "glapitable.h"
#include "glthread.h"
-
#include "math/m_matrix.h" /* GLmatrix */
-#if defined(MESA_TRACE)
-#include "Trace/tr_context.h"
-#endif
-
-
-/* Please try to mark derived values with a leading underscore ('_').
- */
-/*
- * Color channel data type:
+/**
+ * Color channel data type.
*/
#if CHAN_BITS == 8
typedef GLubyte GLchan;
/**
- * Accumulation buffer data type:
+ * Accumulation buffer data type.
*/
#if ACCUM_BITS==8
typedef GLbyte GLaccum;
/**
- * Stencil buffer data type:
+ * Stencil buffer data type.
*/
#if STENCIL_BITS==8
typedef GLubyte GLstencil;
/**
- * Depth buffer data type:
+ * Depth buffer data type.
+ *
+ * \note Must be 32-bits!
*/
-typedef GLuint GLdepth; /* Must be 32-bits! */
+typedef GLuint GLdepth;
/**
- * Fixed point data type:
+ * Fixed point data type.
*/
typedef int GLfixed;
/*
/**
- * Some forward type declarations
+ * \name Some forward type declarations
*/
+/*@{*/
struct _mesa_HashTable;
struct gl_texture_image;
struct gl_texture_object;
typedef struct __GLcontextRec GLcontext;
typedef struct __GLcontextModesRec GLvisual;
typedef struct gl_frame_buffer GLframebuffer;
+/*@}*/
-/* These define the aliases between numbered vertex attributes and
+/**
+ * These define the aliases between numbered vertex attributes and
* conventional OpenGL vertex attributes. We use these values in
- * quite a few places. New in Mesa 4.1.
- */
-#define VERT_ATTRIB_POS 0
-#define VERT_ATTRIB_WEIGHT 1
-#define VERT_ATTRIB_NORMAL 2
-#define VERT_ATTRIB_COLOR0 3
-#define VERT_ATTRIB_COLOR1 4
-#define VERT_ATTRIB_FOG 5
-#define VERT_ATTRIB_SIX 6
-#define VERT_ATTRIB_SEVEN 7
-#define VERT_ATTRIB_TEX0 8
-#define VERT_ATTRIB_TEX1 9
-#define VERT_ATTRIB_TEX2 10
-#define VERT_ATTRIB_TEX3 11
-#define VERT_ATTRIB_TEX4 12
-#define VERT_ATTRIB_TEX5 13
-#define VERT_ATTRIB_TEX6 14
-#define VERT_ATTRIB_TEX7 15
-#define VERT_ATTRIB_MAX 16
+ * quite a few places.
+ *
+ * New in Mesa 4.1.
+ */
+enum {
+ VERT_ATTRIB_POS = 0,
+ VERT_ATTRIB_WEIGHT = 1,
+ VERT_ATTRIB_NORMAL = 2,
+ VERT_ATTRIB_COLOR0 = 3,
+ VERT_ATTRIB_COLOR1 = 4,
+ VERT_ATTRIB_FOG = 5,
+ VERT_ATTRIB_SIX = 6,
+ VERT_ATTRIB_SEVEN = 7,
+ VERT_ATTRIB_TEX0 = 8,
+ VERT_ATTRIB_TEX1 = 9,
+ VERT_ATTRIB_TEX2 = 10,
+ VERT_ATTRIB_TEX3 = 11,
+ VERT_ATTRIB_TEX4 = 12,
+ VERT_ATTRIB_TEX5 = 13,
+ VERT_ATTRIB_TEX6 = 14,
+ VERT_ATTRIB_TEX7 = 15,
+ VERT_ATTRIB_MAX = 16
+} ;
/* These are used in bitfields in many places */
#define VERT_BIT_POS (1 << VERT_ATTRIB_POS)
/**
- * Maximum number of temporary vertices required for clipping. (Used
- * in array_cache and tnl modules).
+ * Maximum number of temporary vertices required for clipping.
+ *
+ * Used in array_cache and tnl modules.
*/
#define MAX_CLIPPED_VERTICES ((2 * (6 + MAX_CLIP_PLANES))+1)
-/* Data structure for color tables */
+/**
+ * Data structure for color tables
+ */
struct gl_color_table {
- GLenum Format; /* GL_ALPHA, GL_RGB, GL_RGB, etc */
+ GLenum Format; /**< GL_ALPHA, GL_RGB, GL_RGB, etc */
GLenum IntFormat;
- GLuint Size; /* number of entries (rows) in table */
- GLvoid *Table; /* either GLfloat * or GLchan * */
- GLboolean FloatTable; /* are entries stored as floats? */
+ GLuint Size; /**< number of entries (rows) in table */
+ GLvoid *Table; /**< either GLfloat * or GLchan * */
+ GLboolean FloatTable; /**< are entries stored as floats? */
GLubyte RedSize;
GLubyte GreenSize;
GLubyte BlueSize;
};
-/*
- * Bit flags used for updating material values.
- */
-#define FRONT_AMBIENT_BIT 0x1
-#define BACK_AMBIENT_BIT 0x2
-#define FRONT_DIFFUSE_BIT 0x4
-#define BACK_DIFFUSE_BIT 0x8
-#define FRONT_SPECULAR_BIT 0x10
-#define BACK_SPECULAR_BIT 0x20
-#define FRONT_EMISSION_BIT 0x40
-#define BACK_EMISSION_BIT 0x80
-#define FRONT_SHININESS_BIT 0x100
-#define BACK_SHININESS_BIT 0x200
-#define FRONT_INDEXES_BIT 0x400
-#define BACK_INDEXES_BIT 0x800
-
-#define FRONT_MATERIAL_BITS (FRONT_EMISSION_BIT | FRONT_AMBIENT_BIT | \
- FRONT_DIFFUSE_BIT | FRONT_SPECULAR_BIT | \
- FRONT_SHININESS_BIT | FRONT_INDEXES_BIT)
-
-#define BACK_MATERIAL_BITS (BACK_EMISSION_BIT | BACK_AMBIENT_BIT | \
- BACK_DIFFUSE_BIT | BACK_SPECULAR_BIT | \
- BACK_SHININESS_BIT | BACK_INDEXES_BIT)
+/**
+ * \name Bit flags used for updating material values.
+ */
+/*@{*/
+#define MAT_ATTRIB_FRONT_AMBIENT 0
+#define MAT_ATTRIB_BACK_AMBIENT 1
+#define MAT_ATTRIB_FRONT_DIFFUSE 2
+#define MAT_ATTRIB_BACK_DIFFUSE 3
+#define MAT_ATTRIB_FRONT_SPECULAR 4
+#define MAT_ATTRIB_BACK_SPECULAR 5
+#define MAT_ATTRIB_FRONT_EMISSION 6
+#define MAT_ATTRIB_BACK_EMISSION 7
+#define MAT_ATTRIB_FRONT_SHININESS 8
+#define MAT_ATTRIB_BACK_SHININESS 9
+#define MAT_ATTRIB_FRONT_INDEXES 10
+#define MAT_ATTRIB_BACK_INDEXES 11
+#define MAT_ATTRIB_MAX 12
+
+#define MAT_ATTRIB_AMBIENT(f) (MAT_ATTRIB_FRONT_AMBIENT+(f))
+#define MAT_ATTRIB_DIFFUSE(f) (MAT_ATTRIB_FRONT_DIFFUSE+(f))
+#define MAT_ATTRIB_SPECULAR(f) (MAT_ATTRIB_FRONT_SPECULAR+(f))
+#define MAT_ATTRIB_EMISSION(f) (MAT_ATTRIB_FRONT_EMISSION+(f))
+#define MAT_ATTRIB_SHININESS(f)(MAT_ATTRIB_FRONT_SHININESS+(f))
+#define MAT_ATTRIB_INDEXES(f) (MAT_ATTRIB_FRONT_INDEXES+(f))
+
+#define MAT_INDEX_AMBIENT 0
+#define MAT_INDEX_DIFFUSE 1
+#define MAT_INDEX_SPECULAR 2
+
+#define MAT_BIT_FRONT_AMBIENT (1<<MAT_ATTRIB_FRONT_AMBIENT)
+#define MAT_BIT_BACK_AMBIENT (1<<MAT_ATTRIB_BACK_AMBIENT)
+#define MAT_BIT_FRONT_DIFFUSE (1<<MAT_ATTRIB_FRONT_DIFFUSE)
+#define MAT_BIT_BACK_DIFFUSE (1<<MAT_ATTRIB_BACK_DIFFUSE)
+#define MAT_BIT_FRONT_SPECULAR (1<<MAT_ATTRIB_FRONT_SPECULAR)
+#define MAT_BIT_BACK_SPECULAR (1<<MAT_ATTRIB_BACK_SPECULAR)
+#define MAT_BIT_FRONT_EMISSION (1<<MAT_ATTRIB_FRONT_EMISSION)
+#define MAT_BIT_BACK_EMISSION (1<<MAT_ATTRIB_BACK_EMISSION)
+#define MAT_BIT_FRONT_SHININESS (1<<MAT_ATTRIB_FRONT_SHININESS)
+#define MAT_BIT_BACK_SHININESS (1<<MAT_ATTRIB_BACK_SHININESS)
+#define MAT_BIT_FRONT_INDEXES (1<<MAT_ATTRIB_FRONT_INDEXES)
+#define MAT_BIT_BACK_INDEXES (1<<MAT_ATTRIB_BACK_INDEXES)
+
+
+#define FRONT_MATERIAL_BITS (MAT_BIT_FRONT_EMISSION | \
+ MAT_BIT_FRONT_AMBIENT | \
+ MAT_BIT_FRONT_DIFFUSE | \
+ MAT_BIT_FRONT_SPECULAR | \
+ MAT_BIT_FRONT_SHININESS | \
+ MAT_BIT_FRONT_INDEXES)
+
+#define BACK_MATERIAL_BITS (MAT_BIT_BACK_EMISSION | \
+ MAT_BIT_BACK_AMBIENT | \
+ MAT_BIT_BACK_DIFFUSE | \
+ MAT_BIT_BACK_SPECULAR | \
+ MAT_BIT_BACK_SHININESS | \
+ MAT_BIT_BACK_INDEXES)
#define ALL_MATERIAL_BITS (FRONT_MATERIAL_BITS | BACK_MATERIAL_BITS)
+/*@}*/
+#define EXP_TABLE_SIZE 512 /**< Specular exponent lookup table sizes */
+#define SHINE_TABLE_SIZE 256 /**< Material shininess lookup table sizes */
-/*
- * Specular exponent and material shininess lookup table sizes:
+/**
+ * Material shininess lookup table.
*/
-#define EXP_TABLE_SIZE 512
-#define SHINE_TABLE_SIZE 256
-
struct gl_shine_tab {
struct gl_shine_tab *next, *prev;
GLfloat tab[SHINE_TABLE_SIZE+1];
};
+/**
+ * Light.
+ */
struct gl_light {
- struct gl_light *next; /* double linked list with sentinel */
+ struct gl_light *next; /**< double linked list with sentinel */
struct gl_light *prev;
- GLfloat Ambient[4]; /* ambient color */
- GLfloat Diffuse[4]; /* diffuse color */
- GLfloat Specular[4]; /* specular color */
- GLfloat EyePosition[4]; /* position in eye coordinates */
- GLfloat EyeDirection[4]; /* spotlight dir in eye coordinates */
+ GLfloat Ambient[4]; /**< ambient color */
+ GLfloat Diffuse[4]; /**< diffuse color */
+ GLfloat Specular[4]; /**< specular color */
+ GLfloat EyePosition[4]; /**< position in eye coordinates */
+ GLfloat EyeDirection[4]; /**< spotlight dir in eye coordinates */
GLfloat SpotExponent;
- GLfloat SpotCutoff; /* in degress */
- GLfloat _CosCutoff; /* = MAX(0, cos(SpotCutoff)) */
+ GLfloat SpotCutoff; /**< in degrees */
+ GLfloat _CosCutoff; /**< = MAX(0, cos(SpotCutoff)) */
GLfloat ConstantAttenuation;
GLfloat LinearAttenuation;
GLfloat QuadraticAttenuation;
- GLboolean Enabled; /* On/off flag */
+ GLboolean Enabled; /**< On/off flag */
- /* Derived fields */
- GLuint _Flags; /* State */
+ /**
+ * \name Derived fields
+ */
+ /*@{*/
+ GLuint _Flags; /**< State */
- GLfloat _Position[4]; /* position in eye/obj coordinates */
- GLfloat _VP_inf_norm[3]; /* Norm direction to infinite light */
- GLfloat _h_inf_norm[3]; /* Norm( _VP_inf_norm + <0,0,1> ) */
- GLfloat _NormDirection[4]; /* normalized spotlight direction */
+ GLfloat _Position[4]; /**< position in eye/obj coordinates */
+ GLfloat _VP_inf_norm[3]; /**< Norm direction to infinite light */
+ GLfloat _h_inf_norm[3]; /**< Norm( _VP_inf_norm + <0,0,1> ) */
+ GLfloat _NormDirection[4]; /**< normalized spotlight direction */
GLfloat _VP_inf_spot_attenuation;
- GLfloat _SpotExpTable[EXP_TABLE_SIZE][2]; /* to replace a pow() call */
- GLfloat _MatAmbient[2][3]; /* material ambient * light ambient */
- GLfloat _MatDiffuse[2][3]; /* material diffuse * light diffuse */
- GLfloat _MatSpecular[2][3]; /* material spec * light specular */
- GLfloat _dli; /* CI diffuse light intensity */
- GLfloat _sli; /* CI specular light intensity */
+ GLfloat _SpotExpTable[EXP_TABLE_SIZE][2]; /**< to replace a pow() call */
+ GLfloat _MatAmbient[2][3]; /**< material ambient * light ambient */
+ GLfloat _MatDiffuse[2][3]; /**< material diffuse * light diffuse */
+ GLfloat _MatSpecular[2][3]; /**< material spec * light specular */
+ GLfloat _dli; /**< CI diffuse light intensity */
+ GLfloat _sli; /**< CI specular light intensity */
+ /*@}*/
};
+/**
+ * Light model.
+ */
struct gl_lightmodel {
- GLfloat Ambient[4]; /* ambient color */
- GLboolean LocalViewer; /* Local (or infinite) view point? */
- GLboolean TwoSide; /* Two (or one) sided lighting? */
- GLenum ColorControl; /* either GL_SINGLE_COLOR */
- /* or GL_SEPARATE_SPECULAR_COLOR */
+ GLfloat Ambient[4]; /**< ambient color */
+ GLboolean LocalViewer; /**< Local (or infinite) view point? */
+ GLboolean TwoSide; /**< Two (or one) sided lighting? */
+ GLenum ColorControl; /**< either GL_SINGLE_COLOR
+ * or GL_SEPARATE_SPECULAR_COLOR */
};
+/**
+ * Material.
+ */
struct gl_material
{
- GLfloat Ambient[4];
- GLfloat Diffuse[4];
- GLfloat Specular[4];
- GLfloat Emission[4];
- GLfloat Shininess;
- GLfloat AmbientIndex; /* for color index lighting */
- GLfloat DiffuseIndex; /* for color index lighting */
- GLfloat SpecularIndex; /* for color index lighting */
+ GLfloat Attrib[MAT_ATTRIB_MAX][4];
};
-/*
- * Attribute structures:
- * We define a struct for each attribute group to make pushing and
- * popping attributes easy. Also it's a good organization.
+/**
+ * Accumulation buffer attributes.
*/
struct gl_accum_attrib {
- GLfloat ClearColor[4]; /* Accumulation buffer clear color */
+ GLfloat ClearColor[4]; /**< Accumulation buffer clear color */
};
-/*
- * Used in _DrawDestMask and _ReadSrcMask below to identify color buffers.
+/**
+ * \name Clipping planes bits
+ *
+ * Used in gl_colorbuffer_attrib::_DrawDestMask and
+ * gl_colorbuffer_attrib::_ReadSrcMask below to identify color buffers.
*/
+/*@{*/
#define FRONT_LEFT_BIT 0x1
#define FRONT_RIGHT_BIT 0x2
#define BACK_LEFT_BIT 0x4
#define AUX1_BIT 0x20
#define AUX2_BIT 0x40
#define AUX3_BIT 0x80
+/*@}*/
+
+/**
+ * Color buffers attributes.
+ */
struct gl_colorbuffer_attrib {
- GLuint ClearIndex; /* Index to use for glClear */
- GLclampf ClearColor[4]; /* Color to use for glClear */
-
- GLuint IndexMask; /* Color index write mask */
- GLubyte ColorMask[4]; /* Each flag is 0xff or 0x0 */
-
- GLenum DrawBuffer; /* Which buffer to draw into */
- GLubyte _DrawDestMask; /* bitwise-OR of FRONT/BACK_LEFT/RIGHT_BITs */
-
- /* alpha testing */
- GLboolean AlphaEnabled; /* Alpha test enabled flag */
- GLenum AlphaFunc; /* Alpha test function */
- GLclampf AlphaRef;
-
- /* blending */
- GLboolean BlendEnabled; /* Blending enabled flag */
- GLenum BlendSrcRGB; /* Blending source operator */
- GLenum BlendDstRGB; /* Blending destination operator */
- GLenum BlendSrcA; /* GL_INGR_blend_func_separate */
- GLenum BlendDstA; /* GL_INGR_blend_func_separate */
- GLenum BlendEquation;
- GLfloat BlendColor[4];
-
- /* logic op */
- GLenum LogicOp; /* Logic operator */
- GLboolean IndexLogicOpEnabled; /* Color index logic op enabled flag */
- GLboolean ColorLogicOpEnabled; /* RGBA logic op enabled flag */
-
- GLboolean DitherFlag; /* Dither enable flag */
+ GLuint ClearIndex; /**< Index to use for glClear */
+ GLclampf ClearColor[4]; /**< Color to use for glClear */
+
+ GLuint IndexMask; /**< Color index write mask */
+ GLubyte ColorMask[4]; /**< Each flag is 0xff or 0x0 */
+
+ GLenum DrawBuffer; /**< Which buffer to draw into */
+ GLubyte _DrawDestMask; /**< bitwise-OR of FRONT/BACK_LEFT/RIGHT_BITs */
+
+ /**
+ * \name alpha testing
+ */
+ /*@{*/
+ GLboolean AlphaEnabled; /**< Alpha test enabled flag */
+ GLenum AlphaFunc; /**< Alpha test function */
+ GLclampf AlphaRef; /**< Alpha reference value */
+ /*@}*/
+
+ /**
+ * \name Blending
+ */
+ /*@{*/
+ GLboolean BlendEnabled; /**< Blending enabled flag */
+ GLenum BlendSrcRGB; /**< Blending source operator */
+ GLenum BlendDstRGB; /**< Blending destination operator */
+ GLenum BlendSrcA; /**< GL_INGR_blend_func_separate */
+ GLenum BlendDstA; /**< GL_INGR_blend_func_separate */
+ GLenum BlendEquation; /**< Blending equation */
+ GLfloat BlendColor[4]; /**< Blending color */
+ /*@}*/
+
+ /**
+ * \name Logic op
+ */
+ /*@{*/
+ GLenum LogicOp; /**< Logic operator */
+ GLboolean IndexLogicOpEnabled; /**< Color index logic op enabled flag */
+ GLboolean ColorLogicOpEnabled; /**< RGBA logic op enabled flag */
+ GLboolean _LogicOpEnabled; /**< RGBA logic op + EXT_blend_logic_op enabled flag */
+ /*@}*/
+
+ GLboolean DitherFlag; /**< Dither enable flag */
};
+/**
+ * Current attributes.
+ */
struct gl_current_attrib {
- /* These values valid only when FLUSH_VERTICES has been called.
+ /**
+ * \name Values valid only when FLUSH_VERTICES has been called.
*/
- GLfloat Attrib[VERT_ATTRIB_MAX][4]; /* Current vertex attributes */
- /* indexed by VERT_ATTRIB_* */
- GLuint Index; /* Current color index */
- GLboolean EdgeFlag; /* Current edge flag */
+ /*@{*/
+ GLfloat Attrib[VERT_ATTRIB_MAX][4]; /**< Current vertex attributes
+ * indexed by VERT_ATTRIB_* */
+ GLfloat Index; /**< Current color index */
+ GLboolean EdgeFlag; /**< Current edge flag */
+ /*@}*/
- /* These values are always valid. BTW, note how similar this set of
- * attributes is to the SWvertex datatype in the software rasterizer...
+ /**
+ * \name Values are always valid.
+ *
+ * \note BTW, note how similar this set of attributes is to the SWvertex
+ * data type in the software rasterizer...
*/
- GLfloat RasterPos[4]; /* Current raster position */
- GLfloat RasterDistance; /* Current raster distance */
- GLfloat RasterColor[4]; /* Current raster color */
- GLfloat RasterSecondaryColor[4]; /* Current rast 2ndary color */
- GLuint RasterIndex; /* Current raster index */
- GLfloat RasterTexCoords[MAX_TEXTURE_COORD_UNITS][4];
- GLboolean RasterPosValid; /* Raster pos valid flag */
+ /*@{*/
+ GLfloat RasterPos[4]; /**< Current raster position */
+ GLfloat RasterDistance; /**< Current raster distance */
+ GLfloat RasterColor[4]; /**< Current raster color */
+ GLfloat RasterSecondaryColor[4]; /**< Current raster secondary color */
+ GLfloat RasterIndex; /**< Current raster index */
+ GLfloat RasterTexCoords[MAX_TEXTURE_UNITS][4];/**< Current raster texcoords */
+ GLboolean RasterPosValid; /**< Raster pos valid flag */
+ /*@}*/
};
+/**
+ * Depth buffer attributes.
+ */
struct gl_depthbuffer_attrib {
- GLenum Func; /* Function for depth buffer compare */
- GLfloat Clear; /* Value to clear depth buffer to */
- GLboolean Test; /* Depth buffering enabled flag */
- GLboolean Mask; /* Depth buffer writable? */
- GLboolean OcclusionTest; /* GL_HP_occlusion_test */
+ GLenum Func; /**< Function for depth buffer compare */
+ GLclampd Clear; /**< Value to clear depth buffer to */
+ GLboolean Test; /**< Depth buffering enabled flag */
+ GLboolean Mask; /**< Depth buffer writable? */
+ GLboolean OcclusionTest; /**< GL_HP_occlusion_test */
+ GLboolean BoundsTest; /**< GL_EXT_depth_bounds_test */
+ GLfloat BoundsMin, BoundsMax;/**< GL_EXT_depth_bounds_test */
};
+/**
+ * glEnable()/glDisable() attributes.
+ */
struct gl_enable_attrib {
GLboolean AlphaTest;
GLboolean AutoNormal;
GLboolean VertexProgram;
GLboolean VertexProgramPointSize;
GLboolean VertexProgramTwoSide;
- /* GL_NV_point_sprite */
+ /* GL_ARB_point_sprite / GL_NV_point_sprite */
GLboolean PointSprite;
};
+/**
+ * Eval attributes.
+ */
struct gl_eval_attrib {
- /* Enable bits */
+ /**
+ * \name Enable bits
+ */
+ /*@{*/
GLboolean Map1Color4;
GLboolean Map1Index;
GLboolean Map1Normal;
GLboolean Map2Vertex4;
GLboolean Map2Attrib[16]; /* GL_NV_vertex_program */
GLboolean AutoNormal;
- /* Map Grid endpoints and divisions and calculated du values */
+ /*@}*/
+
+ /**
+ * \name Map Grid endpoints and divisions and calculated du values
+ */
+ /*@{*/
GLint MapGrid1un;
GLfloat MapGrid1u1, MapGrid1u2, MapGrid1du;
GLint MapGrid2un, MapGrid2vn;
GLfloat MapGrid2u1, MapGrid2u2, MapGrid2du;
GLfloat MapGrid2v1, MapGrid2v2, MapGrid2dv;
+ /*@}*/
};
+/**
+ * Fog attributes.
+ */
struct gl_fog_attrib {
- GLboolean Enabled; /* Fog enabled flag */
- GLfloat Color[4]; /* Fog color */
- GLfloat Density; /* Density >= 0.0 */
- GLfloat Start; /* Start distance in eye coords */
- GLfloat End; /* End distance in eye coords */
- GLfloat Index; /* Fog index */
- GLenum Mode; /* Fog mode */
+ GLboolean Enabled; /**< Fog enabled flag */
+ GLfloat Color[4]; /**< Fog color */
+ GLfloat Density; /**< Density >= 0.0 */
+ GLfloat Start; /**< Start distance in eye coords */
+ GLfloat End; /**< End distance in eye coords */
+ GLfloat Index; /**< Fog index */
+ GLenum Mode; /**< Fog mode */
GLboolean ColorSumEnabled;
- GLenum FogCoordinateSource; /* GL_EXT_fog_coord */
+ GLenum FogCoordinateSource; /**< GL_EXT_fog_coord */
};
+/**
+ * Hint attributes.
+ *
+ * Values are always one of GL_FASTEST, GL_NICEST, or GL_DONT_CARE.
+ */
struct gl_hint_attrib {
- /* always one of GL_FASTEST, GL_NICEST, or GL_DONT_CARE */
GLenum PerspectiveCorrection;
GLenum PointSmooth;
GLenum LineSmooth;
GLenum PolygonSmooth;
GLenum Fog;
- GLenum ClipVolumeClipping; /* GL_EXT_clip_volume_hint */
- GLenum TextureCompression; /* GL_ARB_texture_compression */
- GLenum GenerateMipmap; /* GL_SGIS_generate_mipmap */
+ GLenum ClipVolumeClipping; /**< GL_EXT_clip_volume_hint */
+ GLenum TextureCompression; /**< GL_ARB_texture_compression */
+ GLenum GenerateMipmap; /**< GL_SGIS_generate_mipmap */
};
+/**
+ * Histogram attributes.
+ */
struct gl_histogram_attrib {
- GLuint Width; /* number of table entries */
- GLint Format; /* GL_ALPHA, GL_RGB, etc */
- GLuint Count[HISTOGRAM_TABLE_SIZE][4]; /* the histogram */
- GLboolean Sink; /* terminate image transfer? */
- GLubyte RedSize; /* Bits per counter */
+ GLuint Width; /**< number of table entries */
+ GLint Format; /**< GL_ALPHA, GL_RGB, etc */
+ GLuint Count[HISTOGRAM_TABLE_SIZE][4]; /**< the histogram */
+ GLboolean Sink; /**< terminate image transfer? */
+ GLubyte RedSize; /**< Bits per counter */
GLubyte GreenSize;
GLubyte BlueSize;
GLubyte AlphaSize;
struct gl_minmax_attrib {
GLenum Format;
GLboolean Sink;
- GLfloat Min[4], Max[4]; /* RGBA */
+ GLfloat Min[4], Max[4]; /**< RGBA */
};
#define LIGHT_POSITIONAL 0x4
#define LIGHT_NEED_VERTICES (LIGHT_POSITIONAL|LIGHT_LOCAL_VIEWER)
+/**
+ * Lighting attributes.
+ */
struct gl_light_attrib {
- struct gl_light Light[MAX_LIGHTS]; /* Array of lights */
- struct gl_lightmodel Model; /* Lighting model */
+ struct gl_light Light[MAX_LIGHTS]; /**< Array of lights */
+ struct gl_lightmodel Model; /**< Lighting model */
- /* Must flush FLUSH_VERTICES before referencing:
+ /**
+ * Must flush FLUSH_VERTICES before referencing:
*/
- struct gl_material Material[2]; /* Material 0=front, 1=back */
-
- GLboolean Enabled; /* Lighting enabled flag */
- GLenum ShadeModel; /* GL_FLAT or GL_SMOOTH */
- GLenum ColorMaterialFace; /* GL_FRONT, BACK or FRONT_AND_BACK */
- GLenum ColorMaterialMode; /* GL_AMBIENT, GL_DIFFUSE, etc */
- GLuint ColorMaterialBitmask; /* bitmask formed from Face and Mode */
+ /*@{*/
+ struct gl_material Material; /**< Includes front & back values */
+ /*@}*/
+
+ GLboolean Enabled; /**< Lighting enabled flag */
+ GLenum ShadeModel; /**< GL_FLAT or GL_SMOOTH */
+ GLenum ColorMaterialFace; /**< GL_FRONT, BACK or FRONT_AND_BACK */
+ GLenum ColorMaterialMode; /**< GL_AMBIENT, GL_DIFFUSE, etc */
+ GLuint ColorMaterialBitmask; /**< bitmask formed from Face and Mode */
GLboolean ColorMaterialEnabled;
- struct gl_light EnabledList; /* List sentinel */
+ struct gl_light EnabledList; /**< List sentinel */
- /* Derived for optimizations: */
- GLboolean _NeedVertices; /* Use fast shader? */
- GLuint _Flags; /* LIGHT_* flags, see above */
+ /**
+ * Derived for optimizations:
+ */
+ /*@{*/
+ GLboolean _NeedEyeCoords;
+ GLboolean _NeedVertices; /**< Use fast shader? */
+ GLuint _Flags; /**< LIGHT_* flags, see above */
GLfloat _BaseColor[2][3];
+ /*@}*/
};
+/**
+ * Line attributes.
+ */
struct gl_line_attrib {
- GLboolean SmoothFlag; /* GL_LINE_SMOOTH enabled? */
- GLboolean StippleFlag; /* GL_LINE_STIPPLE enabled? */
- GLushort StipplePattern; /* Stipple pattern */
- GLint StippleFactor; /* Stipple repeat factor */
- GLfloat Width; /* Line width */
- GLfloat _Width; /* Clamped Line width */
+ GLboolean SmoothFlag; /**< GL_LINE_SMOOTH enabled? */
+ GLboolean StippleFlag; /**< GL_LINE_STIPPLE enabled? */
+ GLushort StipplePattern; /**< Stipple pattern */
+ GLint StippleFactor; /**< Stipple repeat factor */
+ GLfloat Width; /**< Line width */
+ GLfloat _Width; /**< Clamped Line width */
};
};
+/**
+ * Pixel attributes.
+ */
struct gl_pixel_attrib {
- GLenum ReadBuffer; /* src buffer for glRead/CopyPixels */
- GLubyte _ReadSrcMask; /* Not really a mask, but like _DrawDestMask */
- /* May be: FRONT_LEFT_BIT, BACK_LEFT_BIT, */
- /* FRONT_RIGHT_BIT or BACK_RIGHT_BIT. */
+ GLenum ReadBuffer; /**< source buffer for glReadPixels()/glCopyPixels() */
+ GLubyte _ReadSrcMask; /**< Not really a mask, but like _DrawDestMask
+ *
+ * May be: FRONT_LEFT_BIT, BACK_LEFT_BIT,
+ * FRONT_RIGHT_BIT or BACK_RIGHT_BIT. */
GLfloat RedBias, RedScale;
GLfloat GreenBias, GreenScale;
GLfloat BlueBias, BlueScale;
GLboolean MapStencilFlag;
GLfloat ZoomX, ZoomY;
/* XXX move these out of gl_pixel_attrib */
- GLint MapStoSsize; /* Size of each pixel map */
+ GLint MapStoSsize; /**< Size of each pixel map */
GLint MapItoIsize;
GLint MapItoRsize;
GLint MapItoGsize;
GLint MapGtoGsize;
GLint MapBtoBsize;
GLint MapAtoAsize;
- GLint MapStoS[MAX_PIXEL_MAP_TABLE]; /* Pixel map tables */
+ GLint MapStoS[MAX_PIXEL_MAP_TABLE]; /**< Pixel map tables */
GLint MapItoI[MAX_PIXEL_MAP_TABLE];
GLfloat MapItoR[MAX_PIXEL_MAP_TABLE];
GLfloat MapItoG[MAX_PIXEL_MAP_TABLE];
GLfloat MapItoB[MAX_PIXEL_MAP_TABLE];
GLfloat MapItoA[MAX_PIXEL_MAP_TABLE];
- GLubyte MapItoR8[MAX_PIXEL_MAP_TABLE]; /* converted to 8-bit color */
+ GLubyte MapItoR8[MAX_PIXEL_MAP_TABLE]; /**< converted to 8-bit color */
GLubyte MapItoG8[MAX_PIXEL_MAP_TABLE];
GLubyte MapItoB8[MAX_PIXEL_MAP_TABLE];
GLubyte MapItoA8[MAX_PIXEL_MAP_TABLE];
GLfloat MapGtoG[MAX_PIXEL_MAP_TABLE];
GLfloat MapBtoB[MAX_PIXEL_MAP_TABLE];
GLfloat MapAtoA[MAX_PIXEL_MAP_TABLE];
- /* GL_EXT_histogram */
+ /** GL_EXT_histogram */
GLboolean HistogramEnabled;
GLboolean MinMaxEnabled;
- /* GL_SGIS_pixel_texture */
+ /** GL_SGIS_pixel_texture */
GLboolean PixelTextureEnabled;
GLenum FragmentRgbSource;
GLenum FragmentAlphaSource;
- /* GL_SGI_color_matrix */
- GLfloat PostColorMatrixScale[4]; /* RGBA */
- GLfloat PostColorMatrixBias[4]; /* RGBA */
- /* GL_SGI_color_table */
+ /** GL_SGI_color_matrix */
+ GLfloat PostColorMatrixScale[4]; /**< RGBA */
+ GLfloat PostColorMatrixBias[4]; /**< RGBA */
+ /** GL_SGI_color_table */
GLfloat ColorTableScale[4];
GLfloat ColorTableBias[4];
GLboolean ColorTableEnabled;
GLfloat PCMCTscale[4];
GLfloat PCMCTbias[4];
GLboolean PostColorMatrixColorTableEnabled;
- /* GL_SGI_texture_color_table */
+ /** GL_SGI_texture_color_table */
GLfloat TextureColorTableScale[4];
GLfloat TextureColorTableBias[4];
- /* Convolution */
+ /** Convolution */
GLboolean Convolution1DEnabled;
GLboolean Convolution2DEnabled;
GLboolean Separable2DEnabled;
GLenum ConvolutionBorderMode[3];
GLfloat ConvolutionFilterScale[3][4];
GLfloat ConvolutionFilterBias[3][4];
- GLfloat PostConvolutionScale[4]; /* RGBA */
- GLfloat PostConvolutionBias[4]; /* RGBA */
+ GLfloat PostConvolutionScale[4]; /**< RGBA */
+ GLfloat PostConvolutionBias[4]; /**< RGBA */
};
+/**
+ * Point attributes.
+ */
struct gl_point_attrib {
- GLboolean SmoothFlag; /* True if GL_POINT_SMOOTH is enabled */
- GLfloat Size; /* User-specified point size */
- GLfloat _Size; /* Size clamped to Const.Min/MaxPointSize */
- GLfloat Params[3]; /* GL_EXT_point_parameters */
- GLfloat MinSize, MaxSize; /* GL_EXT_point_parameters */
- GLfloat Threshold; /* GL_EXT_point_parameters */
- GLboolean _Attenuated; /* True if Params != [1, 0, 0] */
- GLboolean PointSprite; /* GL_NV_point_sprite */
- GLboolean CoordReplace[MAX_TEXTURE_COORD_UNITS]; /* GL_NV_point_sprite */
- GLenum SpriteRMode; /* GL_NV_point_sprite */
+ GLboolean SmoothFlag; /**< True if GL_POINT_SMOOTH is enabled */
+ GLfloat Size; /**< User-specified point size */
+ GLfloat _Size; /**< Size clamped to Const.Min/MaxPointSize */
+ GLfloat Params[3]; /**< GL_EXT_point_parameters */
+ GLfloat MinSize, MaxSize; /**< GL_EXT_point_parameters */
+ GLfloat Threshold; /**< GL_EXT_point_parameters */
+ GLboolean _Attenuated; /**< True if Params != [1, 0, 0] */
+ GLboolean PointSprite; /**< GL_NV_point_sprite / GL_NV_point_sprite */
+ GLboolean CoordReplace[MAX_TEXTURE_UNITS]; /**< GL_NV_point_sprite / GL_NV_point_sprite */
+ GLenum SpriteRMode; /**< GL_NV_point_sprite (only!) */
};
+/**
+ * Polygon attributes.
+ */
struct gl_polygon_attrib {
- GLenum FrontFace; /* Either GL_CW or GL_CCW */
- GLenum FrontMode; /* Either GL_POINT, GL_LINE or GL_FILL */
- GLenum BackMode; /* Either GL_POINT, GL_LINE or GL_FILL */
- GLboolean _FrontBit; /* 0=GL_CCW, 1=GL_CW */
- GLboolean CullFlag; /* Culling on/off flag */
- GLboolean SmoothFlag; /* True if GL_POLYGON_SMOOTH is enabled */
- GLboolean StippleFlag; /* True if GL_POLYGON_STIPPLE is enabled */
- GLenum CullFaceMode; /* Culling mode GL_FRONT or GL_BACK */
- GLfloat OffsetFactor; /* Polygon offset factor, from user */
- GLfloat OffsetUnits; /* Polygon offset units, from user */
- GLboolean OffsetPoint; /* Offset in GL_POINT mode */
- GLboolean OffsetLine; /* Offset in GL_LINE mode */
- GLboolean OffsetFill; /* Offset in GL_FILL mode */
+ GLenum FrontFace; /**< Either GL_CW or GL_CCW */
+ GLenum FrontMode; /**< Either GL_POINT, GL_LINE or GL_FILL */
+ GLenum BackMode; /**< Either GL_POINT, GL_LINE or GL_FILL */
+ GLboolean _FrontBit; /**< 0=GL_CCW, 1=GL_CW */
+ GLboolean CullFlag; /**< Culling on/off flag */
+ GLboolean SmoothFlag; /**< True if GL_POLYGON_SMOOTH is enabled */
+ GLboolean StippleFlag; /**< True if GL_POLYGON_STIPPLE is enabled */
+ GLenum CullFaceMode; /**< Culling mode GL_FRONT or GL_BACK */
+ GLfloat OffsetFactor; /**< Polygon offset factor, from user */
+ GLfloat OffsetUnits; /**< Polygon offset units, from user */
+ GLboolean OffsetPoint; /**< Offset in GL_POINT mode */
+ GLboolean OffsetLine; /**< Offset in GL_LINE mode */
+ GLboolean OffsetFill; /**< Offset in GL_FILL mode */
};
+/**
+ * Scissor attributes.
+ */
struct gl_scissor_attrib {
- GLboolean Enabled; /* Scissor test enabled? */
- GLint X, Y; /* Lower left corner of box */
- GLsizei Width, Height; /* Size of box */
+ GLboolean Enabled; /**< Scissor test enabled? */
+ GLint X, Y; /**< Lower left corner of box */
+ GLsizei Width, Height; /**< Size of box */
};
+/**
+ * Stencil attributes.
+ */
struct gl_stencil_attrib {
- GLboolean Enabled; /* Enabled flag */
- GLboolean TestTwoSide; /* GL_EXT_stencil_two_side */
- GLubyte ActiveFace; /* GL_EXT_stencil_two_side (0 or 1) */
- GLenum Function[2]; /* Stencil function */
- GLenum FailFunc[2]; /* Fail function */
- GLenum ZPassFunc[2]; /* Depth buffer pass function */
- GLenum ZFailFunc[2]; /* Depth buffer fail function */
- GLstencil Ref[2]; /* Reference value */
- GLstencil ValueMask[2]; /* Value mask */
- GLstencil WriteMask[2]; /* Write mask */
- GLstencil Clear; /* Clear value */
+ GLboolean Enabled; /**< Enabled flag */
+ GLboolean TestTwoSide; /**< GL_EXT_stencil_two_side */
+ GLubyte ActiveFace; /**< GL_EXT_stencil_two_side (0 or 1) */
+ GLenum Function[2]; /**< Stencil function */
+ GLenum FailFunc[2]; /**< Fail function */
+ GLenum ZPassFunc[2]; /**< Depth buffer pass function */
+ GLenum ZFailFunc[2]; /**< Depth buffer fail function */
+ GLstencil Ref[2]; /**< Reference value */
+ GLstencil ValueMask[2]; /**< Value mask */
+ GLstencil WriteMask[2]; /**< Write mask */
+ GLstencil Clear; /**< Clear value */
};
#define ENABLE_TEXGEN(i) (ENABLE_TEXGEN0 << (i))
#define ENABLE_TEXMAT(i) (ENABLE_TEXMAT0 << (i))
-/*
- * If teximage is color-index, texelOut returns GLchan[1].
- * If teximage is depth, texelOut returns GLfloat[1].
- * Otherwise, texelOut returns GLchan[4].
+/**
+ * Texel fetch function prototype.
+ *
+ * \param texImage texture image.
+ * \param col texel column.
+ * \param row texel row.
+ * \param img texel level.
+ * \param texelOut output texel. If \p texImage is color-index, \p texelOut
+ * returns <tt>GLchan[1]</tt>. If \p texImage is depth, \p texelOut returns
+ * <tt>GLfloat[1]</tt>. Otherwise, \p texelOut returns <tt>GLchan[4]</tt>.
*/
typedef void (*FetchTexelFunc)( const struct gl_texture_image *texImage,
GLint col, GLint row, GLint img,
GLvoid *texelOut );
-/* Texture format record */
+/**
+ * Texture format record
+ */
struct gl_texture_format {
- GLint MesaFormat; /* One of the MESA_FORMAT_* values */
+ GLint MesaFormat; /**< One of the MESA_FORMAT_* values */
- GLenum BaseFormat; /* Either GL_ALPHA, GL_INTENSITY, GL_LUMINANCE,
- * GL_LUMINANCE_ALPHA, GL_RGB, GL_RGBA,
- * GL_COLOR_INDEX or GL_DEPTH_COMPONENT.
+ GLenum BaseFormat; /**< Either GL_ALPHA, GL_INTENSITY, GL_LUMINANCE,
+ * GL_LUMINANCE_ALPHA, GL_RGB, GL_RGBA,
+ * GL_COLOR_INDEX or GL_DEPTH_COMPONENT.
*/
- GLubyte RedBits; /* Bits per texel component */
- GLubyte GreenBits; /* These are just rough approximations for */
- GLubyte BlueBits; /* compressed texture formats. */
+ GLubyte RedBits; /**< Bits per texel component */
+ GLubyte GreenBits; /**< These are just rough approximations for */
+ GLubyte BlueBits; /**< compressed texture formats. */
GLubyte AlphaBits;
GLubyte LuminanceBits;
GLubyte IntensityBits;
GLubyte IndexBits;
GLubyte DepthBits;
- GLint TexelBytes; /* Bytes per texel (0 for compressed formats */
+ GLint TexelBytes; /**< Bytes per texel (0 for compressed formats */
- FetchTexelFunc FetchTexel1D; /* Texel fetch function pointers */
+ /**
+ * \name Texel fetch function pointers
+ */
+ /*@{*/
+ FetchTexelFunc FetchTexel1D;
FetchTexelFunc FetchTexel2D;
FetchTexelFunc FetchTexel3D;
+ /*@}*/
};
-/* Texture image record */
+/**
+ * Texture image record
+ */
struct gl_texture_image {
- GLenum Format; /* GL_ALPHA, GL_LUMINANCE, GL_LUMINANCE_ALPHA,
- * GL_INTENSITY, GL_RGB, GL_RGBA,
- * GL_COLOR_INDEX or GL_DEPTH_COMPONENT only.
- * Used for choosing TexEnv arithmetic.
+ GLenum Format; /**< GL_ALPHA, GL_LUMINANCE, GL_LUMINANCE_ALPHA,
+ * GL_INTENSITY, GL_RGB, GL_RGBA,
+ * GL_COLOR_INDEX or GL_DEPTH_COMPONENT only.
+ * Used for choosing TexEnv arithmetic.
*/
- GLint IntFormat; /* Internal format as given by the user */
- GLuint Border; /* 0 or 1 */
- GLuint Width; /* = 2^WidthLog2 + 2*Border */
- GLuint Height; /* = 2^HeightLog2 + 2*Border */
- GLuint Depth; /* = 2^DepthLog2 + 2*Border */
- GLuint RowStride; /* == Width unless IsClientData and padded */
- GLuint Width2; /* = Width - 2*Border */
- GLuint Height2; /* = Height - 2*Border */
- GLuint Depth2; /* = Depth - 2*Border */
- GLuint WidthLog2; /* = log2(Width2) */
- GLuint HeightLog2; /* = log2(Height2) */
- GLuint DepthLog2; /* = log2(Depth2) */
- GLuint MaxLog2; /* = MAX(WidthLog2, HeightLog2) */
- GLfloat WidthScale; /* used for mipmap lod computation */
- GLfloat HeightScale; /* used for mipmap lod computation */
- GLfloat DepthScale; /* used for mipmap lod computation */
- GLvoid *Data; /* Image data, accessed via FetchTexel() */
- GLboolean IsClientData; /* Data owned by client? */
-
+ GLint IntFormat; /**< Internal format as given by the user */
+ GLuint Border; /**< 0 or 1 */
+ GLuint Width; /**< = 2^WidthLog2 + 2*Border */
+ GLuint Height; /**< = 2^HeightLog2 + 2*Border */
+ GLuint Depth; /**< = 2^DepthLog2 + 2*Border */
+ GLuint RowStride; /**< == Width unless IsClientData and padded */
+ GLuint Width2; /**< = Width - 2*Border */
+ GLuint Height2; /**< = Height - 2*Border */
+ GLuint Depth2; /**< = Depth - 2*Border */
+ GLuint WidthLog2; /**< = log2(Width2) */
+ GLuint HeightLog2; /**< = log2(Height2) */
+ GLuint DepthLog2; /**< = log2(Depth2) */
+ GLuint MaxLog2; /**< = MAX(WidthLog2, HeightLog2) */
+ GLfloat WidthScale; /**< used for mipmap LOD computation */
+ GLfloat HeightScale; /**< used for mipmap LOD computation */
+ GLfloat DepthScale; /**< used for mipmap LOD computation */
+ GLvoid *Data; /**< Image data, accessed via FetchTexel() */
+ GLboolean IsClientData; /**< Data owned by client? */
+ GLboolean _IsPowerOfTwo; /**< Are all dimensions powers of two? */
const struct gl_texture_format *TexFormat;
- FetchTexelFunc FetchTexel; /* Texel fetch function pointer */
+ FetchTexelFunc FetchTexel; /**< Texel fetch function pointer */
- GLboolean IsCompressed; /* GL_ARB_texture_compression */
- GLuint CompressedSize; /* GL_ARB_texture_compression */
+ GLboolean IsCompressed; /**< GL_ARB_texture_compression */
+ GLuint CompressedSize; /**< GL_ARB_texture_compression */
- /* For device driver: */
- void *DriverData; /* Arbitrary device driver data */
+ /**
+ * \name For device driver:
+ */
+ /*@{*/
+ void *DriverData; /**< Arbitrary device driver data */
+ /*@}*/
};
-/* Texture object record */
+/**
+ * Texture object record
+ */
struct gl_texture_object {
- _glthread_Mutex Mutex; /* for thread safety */
- GLint RefCount; /* reference count */
- GLuint Name; /* an unsigned integer */
- GLenum Target; /* GL_TEXTURE_1D, GL_TEXTURE_2D, etc. */
- GLfloat Priority; /* in [0,1] */
- GLfloat BorderColor[4]; /* unclamped */
- GLchan _BorderChan[4]; /* clamped, as GLchan */
- GLenum WrapS; /* Wrap modes are: GL_CLAMP, REPEAT */
- GLenum WrapT; /* GL_CLAMP_TO_EDGE, and */
- GLenum WrapR; /* GL_CLAMP_TO_BORDER_ARB */
- GLenum MinFilter; /* minification filter */
- GLenum MagFilter; /* magnification filter */
- GLfloat MinLod; /* min lambda, OpenGL 1.2 */
- GLfloat MaxLod; /* max lambda, OpenGL 1.2 */
- GLint BaseLevel; /* min mipmap level, OpenGL 1.2 */
- GLint MaxLevel; /* max mipmap level, OpenGL 1.2 */
- GLfloat MaxAnisotropy; /* GL_EXT_texture_filter_anisotropic */
- GLboolean CompareFlag; /* GL_SGIX_shadow */
- GLenum CompareOperator; /* GL_SGIX_shadow */
+ _glthread_Mutex Mutex; /**< for thread safety */
+ GLint RefCount; /**< reference count */
+ GLuint Name; /**< an unsigned integer */
+ GLenum Target; /**< GL_TEXTURE_1D, GL_TEXTURE_2D, etc. */
+ GLfloat Priority; /**< in [0,1] */
+ GLfloat BorderColor[4]; /**< unclamped */
+ GLchan _BorderChan[4]; /**< clamped, as GLchan */
+ /** \name Wrap modes
+ * Are GL_CLAMP, REPEAT, GL_CLAMP_TO_EDGE, and GL_CLAMP_TO_BORDER_ARB. */
+ /*@{*/
+ GLenum WrapS;
+ GLenum WrapT;
+ GLenum WrapR;
+ /*@}*/
+ GLenum MinFilter; /**< minification filter */
+ GLenum MagFilter; /**< magnification filter */
+ GLfloat MinLod; /**< min lambda, OpenGL 1.2 */
+ GLfloat MaxLod; /**< max lambda, OpenGL 1.2 */
+ GLfloat LodBias; /**< OpenGL 1.4 */
+ GLint BaseLevel; /**< min mipmap level, OpenGL 1.2 */
+ GLint MaxLevel; /**< max mipmap level, OpenGL 1.2 */
+ GLfloat MaxAnisotropy; /**< GL_EXT_texture_filter_anisotropic */
+ GLboolean CompareFlag; /**< GL_SGIX_shadow */
+ GLenum CompareOperator; /**< GL_SGIX_shadow */
GLfloat ShadowAmbient;
- GLenum CompareMode; /* GL_ARB_shadow */
- GLenum CompareFunc; /* GL_ARB_shadow */
- GLenum DepthMode; /* GL_ARB_depth_texture */
- GLint _MaxLevel; /* actual max mipmap level (q in the spec) */
- GLfloat _MaxLambda; /* = _MaxLevel - BaseLevel (q - b in spec) */
- GLboolean GenerateMipmap; /* GL_SGIS_generate_mipmap */
+ GLenum CompareMode; /**< GL_ARB_shadow */
+ GLenum CompareFunc; /**< GL_ARB_shadow */
+ GLenum DepthMode; /**< GL_ARB_depth_texture */
+ GLint _MaxLevel; /**< actual max mipmap level (q in the spec) */
+ GLfloat _MaxLambda; /**< = _MaxLevel - BaseLevel (q - b in spec) */
+ GLboolean GenerateMipmap; /**< GL_SGIS_generate_mipmap */
+ GLboolean _IsPowerOfTwo; /**< Are all image dimensions powers of two? */
struct gl_texture_image *Image[MAX_TEXTURE_LEVELS];
- /* Texture cube faces */
- /* Image[] is alias for *PosX[MAX_TEXTURE_LEVELS]; */
+ /**
+ * \name Texture cube faces
+ *
+ * Image[] is alias for *PosX[MAX_TEXTURE_LEVELS];
+ */
+ /*@{*/
struct gl_texture_image *NegX[MAX_TEXTURE_LEVELS];
struct gl_texture_image *PosY[MAX_TEXTURE_LEVELS];
struct gl_texture_image *NegY[MAX_TEXTURE_LEVELS];
struct gl_texture_image *PosZ[MAX_TEXTURE_LEVELS];
struct gl_texture_image *NegZ[MAX_TEXTURE_LEVELS];
+ /*@}*/
- /* GL_EXT_paletted_texture */
+ /** GL_EXT_paletted_texture */
struct gl_color_table Palette;
- GLboolean Complete; /* Is texture object complete? */
- struct gl_texture_object *Next; /* Next in linked list */
+ GLboolean Complete; /**< Is texture object complete? */
+ struct gl_texture_object *Next; /**< Next in linked list */
- /* For device driver: */
- void *DriverData; /* Arbitrary device driver data */
+ /**
+ * \name For device driver
+ */
+ /*@{*/
+ void *DriverData; /**< Arbitrary device driver data */
+ /*@}*/
};
-/* Texture unit record */
+/**
+ * Texture unit record
+ */
struct gl_texture_unit {
- GLuint Enabled; /* bitmask of TEXTURE_*_BIT flags */
- GLuint _ReallyEnabled; /* 0 or exactly one of TEXTURE_*_BIT flags */
+ GLuint Enabled; /**< bitmask of TEXTURE_*_BIT flags */
+ GLuint _ReallyEnabled; /**< 0 or exactly one of TEXTURE_*_BIT flags */
- GLenum EnvMode; /* GL_MODULATE, GL_DECAL, GL_BLEND, etc. */
+ GLenum EnvMode; /**< GL_MODULATE, GL_DECAL, GL_BLEND, etc. */
GLfloat EnvColor[4];
- GLuint TexGenEnabled; /* Bitwise-OR of [STRQ]_BIT values */
- GLenum GenModeS; /* Tex coord generation mode, either */
- GLenum GenModeT; /* GL_OBJECT_LINEAR, or */
- GLenum GenModeR; /* GL_EYE_LINEAR, or */
- GLenum GenModeQ; /* GL_SPHERE_MAP */
+ GLuint TexGenEnabled; /**< Bitwise-OR of [STRQ]_BIT values */
+ /** \name Tex coord generation mode
+ * Either GL_OBJECT_LINEAR, GL_EYE_LINEAR or GL_SPHERE_MAP. */
+ /*@{*/
+ GLenum GenModeS;
+ GLenum GenModeT;
+ GLenum GenModeR;
+ GLenum GenModeQ;
+ /*@}*/
GLuint _GenBitS;
GLuint _GenBitT;
GLuint _GenBitR;
GLuint _GenBitQ;
- GLuint _GenFlags; /* bitwise or of GenBit[STRQ] */
+ GLuint _GenFlags; /**< bitwise or of GenBit[STRQ] */
GLfloat ObjectPlaneS[4];
GLfloat ObjectPlaneT[4];
GLfloat ObjectPlaneR[4];
GLfloat EyePlaneT[4];
GLfloat EyePlaneR[4];
GLfloat EyePlaneQ[4];
- GLfloat LodBias; /* for biasing mipmap levels */
-
- /* GL_EXT_texture_env_combine */
- GLenum CombineModeRGB; /* GL_REPLACE, GL_DECAL, GL_ADD, etc. */
- GLenum CombineModeA; /* GL_REPLACE, GL_DECAL, GL_ADD, etc. */
- GLenum CombineSourceRGB[3]; /* GL_PRIMARY_COLOR, GL_TEXTURE, etc. */
- GLenum CombineSourceA[3]; /* GL_PRIMARY_COLOR, GL_TEXTURE, etc. */
- GLenum CombineOperandRGB[3]; /* SRC_COLOR, ONE_MINUS_SRC_COLOR, etc */
- GLenum CombineOperandA[3]; /* SRC_ALPHA, ONE_MINUS_SRC_ALPHA, etc */
- GLuint CombineScaleShiftRGB; /* 0, 1 or 2 */
- GLuint CombineScaleShiftA; /* 0, 1 or 2 */
+ GLfloat LodBias; /**< for biasing mipmap levels */
+
+ /**
+ * \name GL_EXT_texture_env_combine
+ */
+ /*@{*/
+ GLenum CombineModeRGB; /**< GL_REPLACE, GL_DECAL, GL_ADD, etc. */
+ GLenum CombineModeA; /**< GL_REPLACE, GL_DECAL, GL_ADD, etc. */
+ GLenum CombineSourceRGB[3]; /**< GL_PRIMARY_COLOR, GL_TEXTURE, etc. */
+ GLenum CombineSourceA[3]; /**< GL_PRIMARY_COLOR, GL_TEXTURE, etc. */
+ GLenum CombineOperandRGB[3]; /**< SRC_COLOR, ONE_MINUS_SRC_COLOR, etc */
+ GLenum CombineOperandA[3]; /**< SRC_ALPHA, ONE_MINUS_SRC_ALPHA, etc */
+ GLuint CombineScaleShiftRGB; /**< 0, 1 or 2 */
+ GLuint CombineScaleShiftA; /**< 0, 1 or 2 */
+ /*@}*/
struct gl_texture_object *Current1D;
struct gl_texture_object *Current2D;
struct gl_texture_object *Current3D;
- struct gl_texture_object *CurrentCubeMap; /* GL_ARB_texture_cube_map */
- struct gl_texture_object *CurrentRect; /* GL_NV_texture_rectangle */
+ struct gl_texture_object *CurrentCubeMap; /**< GL_ARB_texture_cube_map */
+ struct gl_texture_object *CurrentRect; /**< GL_NV_texture_rectangle */
- struct gl_texture_object *_Current; /* Points to really enabled tex obj */
+ struct gl_texture_object *_Current; /**< Points to really enabled tex obj */
- struct gl_texture_object Saved1D; /* only used by glPush/PopAttrib */
+ struct gl_texture_object Saved1D; /**< only used by glPush/PopAttrib */
struct gl_texture_object Saved2D;
struct gl_texture_object Saved3D;
struct gl_texture_object SavedCubeMap;
};
-/* The texture attribute group */
+/**
+ * Texture attributes
+ */
struct gl_texture_attrib {
- /* multitexture */
- GLuint CurrentUnit; /* Active texture unit */
-
- GLuint _EnabledUnits; /* one bit set for each really-enabled unit */
- GLuint _GenFlags; /* for texgen */
- GLuint _TexGenEnabled;
+ /**
+ * name multitexture
+ */
+ /**@{*/
+ GLuint CurrentUnit; /**< Active texture unit */
+ GLuint _EnabledUnits; /**< one bit set for each really-enabled unit */
+ GLuint _EnabledCoordUnits; /**< one bit per enabled coordinate unit */
+ GLuint _GenFlags; /**< for texgen */
+ GLuint _TexGenEnabled;
GLuint _TexMatEnabled;
+ /**@}*/
struct gl_texture_unit Unit[MAX_TEXTURE_UNITS];
struct gl_texture_object *ProxyCubeMap;
struct gl_texture_object *ProxyRect;
- /* GL_EXT_shared_texture_palette */
+ /** GL_EXT_shared_texture_palette */
GLboolean SharedPalette;
struct gl_color_table Palette;
};
+/**
+ * Transformation attributes.
+ */
struct gl_transform_attrib {
- GLenum MatrixMode; /* Matrix mode */
- GLfloat EyeUserPlane[MAX_CLIP_PLANES][4];
- GLfloat _ClipUserPlane[MAX_CLIP_PLANES][4]; /* derived */
- GLuint ClipPlanesEnabled; /* on/off bitmask */
- GLboolean Normalize; /* Normalize all normals? */
- GLboolean RescaleNormals; /* GL_EXT_rescale_normal */
- GLboolean RasterPositionUnclipped; /* GL_IBM_rasterpos_clip */
+ GLenum MatrixMode; /**< Matrix mode */
+ GLfloat EyeUserPlane[MAX_CLIP_PLANES][4]; /**< User clip planes */
+ GLfloat _ClipUserPlane[MAX_CLIP_PLANES][4]; /**< derived */
+ GLuint ClipPlanesEnabled; /**< on/off bitmask */
+ GLboolean Normalize; /**< Normalize all normals? */
+ GLboolean RescaleNormals; /**< GL_EXT_rescale_normal */
+ GLboolean RasterPositionUnclipped; /**< GL_IBM_rasterpos_clip */
};
+/**
+ * Viewport attributes.
+ */
struct gl_viewport_attrib {
- GLint X, Y; /* position */
- GLsizei Width, Height; /* size */
- GLfloat Near, Far; /* Depth buffer range */
- GLmatrix _WindowMap; /* Mapping transformation as a matrix. */
+ GLint X, Y; /**< position */
+ GLsizei Width, Height; /**< size */
+ GLfloat Near, Far; /**< Depth buffer range */
+ GLmatrix _WindowMap; /**< Mapping transformation as a matrix. */
};
-/* For the attribute stack: */
+/**
+ * Node for the attribute stack
+ */
struct gl_attrib_node {
GLbitfield kind;
void *data;
};
-/*
+/**
+ * GL_ARB_vertex_buffer_object buffer object
+ */
+struct gl_buffer_object {
+ GLint RefCount;
+ GLuint Name;
+ GLenum Usage;
+ GLenum Access;
+ GLvoid *Pointer; /**< Only valid while buffer is mapped */
+ GLuint Size; /**< Size of data array in bytes */
+ GLubyte *Data; /**< The storage */
+};
+
+
+
+/**
* Client pixel packing/unpacking attributes
*/
struct gl_pixelstore_attrib {
GLint RowLength;
GLint SkipPixels;
GLint SkipRows;
- GLint ImageHeight; /* for GL_EXT_texture3D */
- GLint SkipImages; /* for GL_EXT_texture3D */
+ GLint ImageHeight; /**< for GL_EXT_texture3D */
+ GLint SkipImages; /**< for GL_EXT_texture3D */
GLboolean SwapBytes;
GLboolean LsbFirst;
- GLboolean ClientStorage; /* GL_APPLE_client_storage */
- GLboolean Invert; /* GL_MESA_pack_invert */
+ GLboolean ClientStorage; /**< GL_APPLE_client_storage */
+ GLboolean Invert; /**< GL_MESA_pack_invert */
};
-#define CA_CLIENT_DATA 0x1 /* Data not alloced by mesa */
+#define CA_CLIENT_DATA 0x1 /**< Data not allocated by mesa */
-/*
+/**
* Client vertex array attributes
*/
struct gl_client_array {
GLint Size;
GLenum Type;
- GLsizei Stride; /* user-specified stride */
- GLsizei StrideB; /* actual stride in bytes */
- void *Ptr;
+ GLsizei Stride; /**< user-specified stride */
+ GLsizei StrideB; /**< actual stride in bytes */
+ const GLubyte *Ptr;
+ GLuint Enabled; /**< one of the _NEW_ARRAY_ bits */
+ GLboolean Normalized; /**< GL_ARB_vertex_program */
+
+ /**< GL_ARB_vertex_buffer_object */
+ struct gl_buffer_object *BufferObj;
+ GLuint _MaxElement;
+
GLuint Flags;
- GLuint Enabled; /* one of the _NEW_ARRAY_ bits */
};
+/**
+ * Array attributes.
+ */
struct gl_array_attrib {
- struct gl_client_array Vertex; /* client data descriptors */
+ struct gl_client_array Vertex; /**< client data descriptors */
struct gl_client_array Normal;
struct gl_client_array Color;
struct gl_client_array SecondaryColor;
struct gl_client_array TexCoord[MAX_TEXTURE_COORD_UNITS];
struct gl_client_array EdgeFlag;
- struct gl_client_array VertexAttrib[16]; /* GL_NV_vertex_program */
+ struct gl_client_array VertexAttrib[VERT_ATTRIB_MAX]; /**< GL_NV_vertex_program */
+
+ GLint ActiveTexture; /**< Client Active Texture */
+ GLuint LockFirst; /**< GL_EXT_compiled_vertex_array */
+ GLuint LockCount; /**< GL_EXT_compiled_vertex_array */
- GLint TexCoordInterleaveFactor;
- GLint ActiveTexture; /* Client Active Texture */
- GLuint LockFirst;
- GLuint LockCount;
+ GLuint _Enabled; /**< _NEW_ARRAY_* - bit set if array enabled */
+ GLuint NewState; /**< _NEW_ARRAY_* */
- GLuint _Enabled; /* _NEW_ARRAY_* - bit set if array enabled */
- GLuint NewState; /* _NEW_ARRAY_* */
+#if FEATURE_ARB_vertex_buffer_object
+ struct gl_buffer_object *NullBufferObj;
+ struct gl_buffer_object *ArrayBufferObj;
+ struct gl_buffer_object *ElementArrayBufferObj;
+#endif
+ GLuint _MaxElement; /* Min of all enabled array's maxes */
};
};
+/**
+ * Selection attributes.
+ */
struct gl_selection {
- GLuint *Buffer;
- GLuint BufferSize; /* size of SelectBuffer */
- GLuint BufferCount; /* number of values in SelectBuffer */
- GLuint Hits; /* number of records in SelectBuffer */
- GLuint NameStackDepth;
- GLuint NameStack[MAX_NAME_STACK_DEPTH];
- GLboolean HitFlag;
- GLfloat HitMinZ, HitMaxZ;
+ GLuint *Buffer; /**< selection buffer */
+ GLuint BufferSize; /**< size of the selection buffer */
+ GLuint BufferCount; /**< number of values in the selection buffer */
+ GLuint Hits; /**< number of records in the selection buffer */
+ GLuint NameStackDepth; /**< name stack depth */
+ GLuint NameStack[MAX_NAME_STACK_DEPTH]; /**< name stack */
+ GLboolean HitFlag; /**< hit flag */
+ GLfloat HitMinZ; /**< minimum hit depth */
+ GLfloat HitMaxZ; /**< maximum hit depth */
};
-/*
+/**
* 1-D Evaluator control points
*/
-struct gl_1d_map {
- GLuint Order; /* Number of control points */
- GLfloat u1, u2, du; /* u1, u2, 1.0/(u2-u1) */
- GLfloat *Points; /* Points to contiguous control points */
+struct gl_1d_map
+{
+ GLuint Order; /**< Number of control points */
+ GLfloat u1, u2, du; /**< u1, u2, 1.0/(u2-u1) */
+ GLfloat *Points; /**< Points to contiguous control points */
};
-/*
+/**
* 2-D Evaluator control points
*/
-struct gl_2d_map {
- GLuint Uorder; /* Number of control points in U dimension */
- GLuint Vorder; /* Number of control points in V dimension */
+struct gl_2d_map
+{
+ GLuint Uorder; /**< Number of control points in U dimension */
+ GLuint Vorder; /**< Number of control points in V dimension */
GLfloat u1, u2, du;
GLfloat v1, v2, dv;
- GLfloat *Points; /* Points to contiguous control points */
+ GLfloat *Points; /**< Points to contiguous control points */
};
-/*
- * All evalutator control points
+/**
+ * All evaluator control points
*/
-struct gl_evaluators {
- /* 1-D maps */
+struct gl_evaluators
+{
+ /**
+ * \name 1-D maps
+ */
+ /*@{*/
struct gl_1d_map Map1Vertex3;
struct gl_1d_map Map1Vertex4;
struct gl_1d_map Map1Index;
struct gl_1d_map Map1Texture2;
struct gl_1d_map Map1Texture3;
struct gl_1d_map Map1Texture4;
- struct gl_1d_map Map1Attrib[16]; /* GL_NV_vertex_program */
+ struct gl_1d_map Map1Attrib[16]; /**< GL_NV_vertex_program */
+ /*@}*/
- /* 2-D maps */
+ /**
+ * \name 2-D maps
+ */
+ /*@{*/
struct gl_2d_map Map2Vertex3;
struct gl_2d_map Map2Vertex4;
struct gl_2d_map Map2Index;
struct gl_2d_map Map2Texture2;
struct gl_2d_map Map2Texture3;
struct gl_2d_map Map2Texture4;
- struct gl_2d_map Map2Attrib[16]; /* GL_NV_vertex_program */
+ struct gl_2d_map Map2Attrib[16]; /**< GL_NV_vertex_program */
+ /*@}*/
};
-
-/* NV_vertex_program runtime state */
-struct vp_machine
+/**
+ * NV_fragment_program runtime state
+ */
+struct fp_machine
{
- GLfloat Registers[MAX_NV_VERTEX_PROGRAM_TEMPS
- + MAX_NV_VERTEX_PROGRAM_PARAMS
- + MAX_NV_VERTEX_PROGRAM_INPUTS
- + MAX_NV_VERTEX_PROGRAM_OUTPUTS][4];
- GLint AddressReg; /* might someday be a 4-vector */
+ GLfloat Temporaries[MAX_NV_FRAGMENT_PROGRAM_TEMPS][4];
+ GLfloat Inputs[MAX_NV_FRAGMENT_PROGRAM_INPUTS][4];
+ GLfloat Outputs[MAX_NV_FRAGMENT_PROGRAM_OUTPUTS][4];
+ GLuint CondCodes[4];
};
-/* NV_fragment_program runtime state */
-struct fp_machine
+/**
+ * Names of the various vertex/fragment register files
+ */
+enum register_file
{
- GLfloat Registers[MAX_NV_FRAGMENT_PROGRAM_TEMPS
- + MAX_NV_FRAGMENT_PROGRAM_PARAMS
- + MAX_NV_FRAGMENT_PROGRAM_INPUTS
- + MAX_NV_FRAGMENT_PROGRAM_OUTPUTS
- + MAX_NV_FRAGMENT_PROGRAM_WRITE_ONLYS][4];
- GLuint CondCodes[4];
+ PROGRAM_TEMPORARY = 10,
+ PROGRAM_INPUT,
+ PROGRAM_OUTPUT,
+ PROGRAM_LOCAL_PARAM,
+ PROGRAM_ENV_PARAM,
+ PROGRAM_NAMED_PARAM,
+ PROGRAM_STATE_VAR,
+ PROGRAM_WRITE_ONLY,
+ PROGRAM_ADDRESS
};
struct vp_instruction;
struct fp_instruction;
-/* Program parameters */
-struct program_parameter
-{
- const char *Name;
- GLfloat Values[4];
-};
+struct program_parameter_list;
-/* Base class for any kind of program object */
+/**
+ * Base class for any kind of program object
+ */
struct program
{
GLuint Id;
GLubyte *String; /* Null-terminated program text */
GLenum Target;
+ GLenum Format; /* String encoding format */
GLint RefCount;
GLboolean Resident;
+ GLfloat LocalParams[MAX_PROGRAM_LOCAL_PARAMS][4];
+ GLuint NumInstructions; /* GL_ARB_vertex/fragment_program */
+ GLuint NumTemporaries;
+ GLuint NumParameters;
+ GLuint NumAttributes;
+ GLuint NumAddressRegs;
};
-/* Vertex program object */
+/** Vertex program object */
struct vertex_program
{
struct program Base; /* base class */
GLboolean IsPositionInvariant; /* GL_NV_vertex_program1_1 */
GLuint InputsRead; /* Bitmask of which input regs are read */
GLuint OutputsWritten; /* Bitmask of which output regs are written to */
+ struct program_parameter_list *Parameters; /**< array [NumParameters] */
};
-/* Fragment program object */
+/** Fragment program object */
struct fragment_program
{
- struct program Base; /* base class */
- struct fp_instruction *Instructions; /* Compiled instructions */
- GLuint InputsRead; /* Bitmask of which input regs are read */
- GLuint OutputsWritten; /* Bitmask of which output regs are written to */
- GLuint TexturesUsed[MAX_TEXTURE_IMAGE_UNITS]; /* TEXTURE_x_INDEX bitmask */
- GLfloat LocalParams[MAX_NV_FRAGMENT_PROGRAM_PARAMS][4];
- GLuint NumParameters;
- struct program_parameter *Parameters; /* array [NumParameters] */
+ struct program Base; /**< base class */
+ struct fp_instruction *Instructions; /**< Compiled instructions */
+ GLuint InputsRead; /**< Bitmask of which input regs are read */
+ GLuint OutputsWritten; /**< Bitmask of which output regs are written to */
+ GLuint TexturesUsed[MAX_TEXTURE_IMAGE_UNITS]; /**< TEXTURE_x_INDEX bitmask */
+ GLuint NumAluInstructions; /**< GL_ARB_fragment_program */
+ GLuint NumTexInstructions;
+ GLuint NumTexIndirections;
+ struct program_parameter_list *Parameters; /**< array [NumParameters] */
};
-/*
+/**
* State common to vertex and fragment programs.
*/
struct program_state {
};
-/*
- * State for GL_NV_vertex_program
+/**
+ * State vars for GL_NV_vertex_program
*/
struct vertex_program_state
{
- GLboolean Enabled; /* GL_VERTEX_PROGRAM_NV */
- GLboolean PointSizeEnabled; /* GL_VERTEX_PROGRAM_POINT_SIZE_NV */
- GLboolean TwoSideEnabled; /* GL_VERTEX_PROGRAM_TWO_SIDE_NV */
- struct vertex_program *Current; /* ptr to currently bound program */
- struct vp_machine Machine; /* machine state */
+ GLboolean Enabled; /**< GL_VERTEX_PROGRAM_NV */
+ GLboolean PointSizeEnabled; /**< GL_VERTEX_PROGRAM_POINT_SIZE_NV */
+ GLboolean TwoSideEnabled; /**< GL_VERTEX_PROGRAM_TWO_SIDE_NV */
+ struct vertex_program *Current; /**< ptr to currently bound program */
GLenum TrackMatrix[MAX_NV_VERTEX_PROGRAM_PARAMS / 4];
GLenum TrackMatrixTransform[MAX_NV_VERTEX_PROGRAM_PARAMS / 4];
+
+ GLfloat Parameters[MAX_NV_VERTEX_PROGRAM_PARAMS][4]; /* Env params */
+ /* Only used during program execution (may be moved someday): */
+ GLfloat Temporaries[MAX_NV_VERTEX_PROGRAM_TEMPS][4];
+ GLfloat Inputs[MAX_NV_VERTEX_PROGRAM_INPUTS][4];
+ GLfloat Outputs[MAX_NV_VERTEX_PROGRAM_OUTPUTS][4];
+ GLint AddressReg[4];
+
+#if FEATURE_MESA_program_debug
+ GLprogramcallbackMESA Callback;
+ GLvoid *CallbackData;
+ GLboolean CallbackEnabled;
+ GLuint CurrentPosition;
+#endif
};
/*
- * State for GL_NV_fragment_program
+ * State for GL_ARB/NV_fragment_program
*/
struct fragment_program_state
{
GLboolean Enabled; /* GL_VERTEX_PROGRAM_NV */
struct fragment_program *Current; /* ptr to currently bound program */
struct fp_machine Machine; /* machine state */
+ GLfloat Parameters[MAX_NV_FRAGMENT_PROGRAM_PARAMS][4]; /* Env params */
+
+#if FEATURE_MESA_program_debug
+ GLprogramcallbackMESA Callback;
+ GLvoid *CallbackData;
+ GLboolean CallbackEnabled;
+ GLuint CurrentPosition;
+#endif
};
/*
+ * State for GL_ARB_occlusion_query
+ */
+struct occlusion_state
+{
+ GLboolean Active;
+ GLuint CurrentQueryObject;
+ GLuint PassedCounter;
+ struct _mesa_HashTable *QueryObjects;
+};
+
+
+/**
* State which can be shared by multiple contexts:
*/
-struct gl_shared_state {
- _glthread_Mutex Mutex; /* for thread safety */
- GLint RefCount; /* Reference count */
- struct _mesa_HashTable *DisplayList; /* Display lists hash table */
- struct _mesa_HashTable *TexObjects; /* Texture objects hash table */
- struct gl_texture_object *TexObjectList;/* Linked list of texture objects */
+struct gl_shared_state
+{
+ _glthread_Mutex Mutex; /**< for thread safety */
+ GLint RefCount; /**< Reference count */
+ struct _mesa_HashTable *DisplayList; /**< Display lists hash table */
+ struct _mesa_HashTable *TexObjects; /**< Texture objects hash table */
+ struct gl_texture_object *TexObjectList;/**< Linked list of texture objects */
- /* Default texture objects (shared by all multi-texture units) */
+ /**
+ * \name Default texture objects (shared by all multi-texture units)
+ */
+ /*@{*/
struct gl_texture_object *Default1D;
struct gl_texture_object *Default2D;
struct gl_texture_object *Default3D;
struct gl_texture_object *DefaultCubeMap;
struct gl_texture_object *DefaultRect;
+ /*@}*/
- /* GL_NV_vertex/_program */
+ /**
+ * \name GL_NV_vertex/_program
+ */
+ /*@{*/
struct _mesa_HashTable *Programs;
+#if FEATURE_ARB_vertex_program
+ struct program *DefaultVertexProgram;
+#endif
+#if FEATURE_ARB_fragment_program
+ struct program *DefaultFragmentProgram;
+#endif
+ /*@}*/
+
+#if FEATURE_ARB_vertex_buffer_object
+ struct _mesa_HashTable *BufferObjects;
+#endif
- void *DriverData; /* Device driver shared state */
+ void *DriverData; /**< Device driver shared state */
};
-/*
+/**
+ * Frame buffer.
+ *
* A "frame buffer" is a color buffer and its optional ancillary buffers:
* depth, accum, stencil, and software-simulated alpha buffers.
* In C++ terms, think of this as a base class from which device drivers
* will make derived classes.
*/
-struct gl_frame_buffer {
- GLvisual Visual; /* The corresponding visual */
+struct gl_frame_buffer
+{
+ GLvisual Visual; /**< The corresponding visual */
- GLuint Width, Height; /* size of frame buffer in pixels */
+ GLuint Width, Height; /**< size of frame buffer in pixels */
GLboolean UseSoftwareDepthBuffer;
GLboolean UseSoftwareAccumBuffer;
GLboolean UseSoftwareStencilBuffer;
GLboolean UseSoftwareAlphaBuffers;
- /* Software depth (aka Z) buffer */
- GLvoid *DepthBuffer; /* array [Width*Height] of GLushort or GLuint*/
-
- /* Software stencil buffer */
- GLstencil *Stencil; /* array [Width*Height] of GLstencil values */
-
- /* Software accumulation buffer */
- GLaccum *Accum; /* array [4*Width*Height] of GLaccum values */
-
- /* Software alpha planes */
- GLvoid *FrontLeftAlpha; /* array [Width*Height] of GLubyte */
- GLvoid *BackLeftAlpha; /* array [Width*Height] of GLubyte */
- GLvoid *FrontRightAlpha; /* array [Width*Height] of GLubyte */
- GLvoid *BackRightAlpha; /* array [Width*Height] of GLubyte */
-
- /* Drawing bounds: intersection of window size and scissor box */
- GLint _Xmin, _Ymin; /* inclusive */
- GLint _Xmax, _Ymax; /* exclusive */
+ /** \name Software depth (aka Z) buffer */
+ /*@{*/
+ GLvoid *DepthBuffer; /**< array [Width*Height] of GLushort or GLuint*/
+ /*@}*/
+
+ /** \name Software stencil buffer */
+ /*@{*/
+ GLstencil *Stencil; /**< array [Width*Height] of GLstencil values */
+ /*@}*/
+
+ /** \name Software accumulation buffer */
+ /*@{*/
+ GLaccum *Accum; /**< array [4*Width*Height] of GLaccum values */
+ /*@}*/
+
+ /** \name Software alpha planes */
+ /*@{*/
+ GLvoid *FrontLeftAlpha; /**< array [Width*Height] of GLubyte */
+ GLvoid *BackLeftAlpha; /**< array [Width*Height] of GLubyte */
+ GLvoid *FrontRightAlpha; /**< array [Width*Height] of GLubyte */
+ GLvoid *BackRightAlpha; /**< array [Width*Height] of GLubyte */
+ /*@}*/
+
+ /**
+ * \name Drawing bounds
+ *
+ * Intersection of window size and scissor box
+ */
+ /*@{*/
+ GLint _Xmin; /**< inclusive */
+ GLint _Ymin; /**< inclusive */
+ GLint _Xmax; /**< exclusive */
+ GLint _Ymax; /**< exclusive */
+ /*@}*/
};
-/*
- * Constants which may be overriden by device driver during context creation
+/**
+ * Constants which may be overridden by device driver during context creation
* but are never changed after that.
*/
-struct gl_constants {
- GLint MaxTextureLevels;
- GLint Max3DTextureLevels;
- GLint MaxCubeTextureLevels; /* GL_ARB_texture_cube_map */
+struct gl_constants
+{
+ GLint MaxTextureLevels; /**< Maximum number of allowed mipmap levels. */
+ GLint Max3DTextureLevels; /**< Maximum number of allowed mipmap levels for 3D texture targets. */
+ GLint MaxCubeTextureLevels; /**< Maximum number of allowed mipmap levels for GL_ARB_texture_cube_map */
GLint MaxTextureRectSize; /* GL_NV_texture_rectangle */
- GLuint MaxTextureUnits;
GLuint MaxTextureCoordUnits;
GLuint MaxTextureImageUnits;
+ GLuint MaxTextureUnits; /* = MAX(CoordUnits, ImageUnits) */
GLfloat MaxTextureMaxAnisotropy; /* GL_EXT_texture_filter_anisotropic */
GLfloat MaxTextureLodBias; /* GL_EXT_texture_lod_bias */
GLuint MaxArrayLockSize;
GLuint MaxConvolutionHeight;
GLuint MaxClipPlanes;
GLuint MaxLights;
+ GLfloat MaxShininess; /* GL_NV_light_max_exponent */
+ GLfloat MaxSpotExponent; /* GL_NV_light_max_exponent */
+ /* GL_ARB_vertex_program */
+ GLuint MaxVertexProgramInstructions;
+ GLuint MaxVertexProgramAttribs;
+ GLuint MaxVertexProgramTemps;
+ GLuint MaxVertexProgramLocalParams;
+ GLuint MaxVertexProgramEnvParams;
+ GLuint MaxVertexProgramAddressRegs;
+ /* GL_ARB_fragment_program */
+ GLuint MaxFragmentProgramInstructions;
+ GLuint MaxFragmentProgramAttribs;
+ GLuint MaxFragmentProgramTemps;
+ GLuint MaxFragmentProgramLocalParams;
+ GLuint MaxFragmentProgramEnvParams;
+ GLuint MaxFragmentProgramAddressRegs;
+ GLuint MaxFragmentProgramAluInstructions;
+ GLuint MaxFragmentProgramTexInstructions;
+ GLuint MaxFragmentProgramTexIndirections;
+ /* vertex or fragment program */
+ GLuint MaxProgramMatrices;
+ GLuint MaxProgramMatrixStackDepth;
+ /* vertex array / buffer object bounds checking */
+ GLboolean CheckArrayBounds;
};
-/*
+/**
* List of extensions.
*/
-struct extension;
-struct gl_extensions {
- char *ext_string;
- struct extension *ext_list;
- /* Flags to quickly test if certain extensions are available.
+struct gl_extensions
+{
+ /**
+ * \name Flags to quickly test if certain extensions are available.
+ *
* Not every extension needs to have such a flag, but it's encouraged.
*/
+ /*@{*/
+ GLboolean dummy; /* don't remove this! */
GLboolean ARB_depth_texture;
+ GLboolean ARB_fragment_program;
GLboolean ARB_imaging;
GLboolean ARB_multisample;
GLboolean ARB_multitexture;
+ GLboolean ARB_occlusion_query;
+ GLboolean ARB_point_sprite;
GLboolean ARB_shadow;
GLboolean ARB_texture_border_clamp;
GLboolean ARB_texture_compression;
GLboolean ARB_texture_env_crossbar;
GLboolean ARB_texture_env_dot3;
GLboolean ARB_texture_mirrored_repeat;
+ GLboolean ARB_texture_non_power_of_two;
GLboolean ARB_vertex_buffer_object;
+ GLboolean ARB_vertex_program;
GLboolean ARB_window_pos;
GLboolean ATI_texture_mirror_once;
GLboolean ATI_texture_env_combine3;
GLboolean EXT_blend_logic_op;
GLboolean EXT_blend_minmax;
GLboolean EXT_blend_subtract;
- GLboolean EXT_clip_volume_hint;
GLboolean EXT_convolution;
GLboolean EXT_compiled_vertex_array;
+ GLboolean EXT_depth_bounds_test;
GLboolean EXT_fog_coord;
GLboolean EXT_histogram;
GLboolean EXT_multi_draw_arrays;
- GLboolean EXT_packed_pixels;
GLboolean EXT_paletted_texture;
GLboolean EXT_point_parameters;
- GLboolean EXT_polygon_offset;
- GLboolean EXT_rescale_normal;
GLboolean EXT_shadow_funcs;
GLboolean EXT_secondary_color;
GLboolean EXT_shared_texture_palette;
GLboolean EXT_texture_env_combine;
GLboolean EXT_texture_env_dot3;
GLboolean EXT_texture_filter_anisotropic;
- GLboolean EXT_texture_object;
GLboolean EXT_texture_lod_bias;
+ GLboolean EXT_texture_mirror_clamp;
GLboolean EXT_vertex_array_set;
GLboolean HP_occlusion_test;
GLboolean IBM_rasterpos_clip;
- GLboolean INGR_blend_func_separate;
+ GLboolean IBM_multimode_draw_arrays;
GLboolean MESA_pack_invert;
- GLboolean MESA_window_pos;
+ GLboolean MESA_packed_depth_stencil;
+ GLboolean MESA_program_debug;
GLboolean MESA_resize_buffers;
GLboolean MESA_ycbcr_texture;
GLboolean NV_blend_square;
GLboolean NV_fragment_program;
GLboolean NV_point_sprite;
GLboolean NV_texture_rectangle;
- GLboolean NV_texgen_reflection;
GLboolean NV_vertex_program;
GLboolean NV_vertex_program1_1;
GLboolean SGI_color_matrix;
GLboolean SGIX_shadow_ambient; /* or GL_ARB_shadow_ambient */
GLboolean TDFX_texture_compression_FXT1;
GLboolean APPLE_client_storage;
+ GLboolean S3_s3tc;
+ /*@}*/
+ /* The extension string */
+ const GLubyte *String;
};
-/*
+/**
* A stack of matrices (projection, modelview, color, texture, etc).
*/
struct matrix_stack
{
- GLmatrix *Top; /* points into Stack */
- GLmatrix *Stack; /* array [MaxDepth] of GLmatrix */
- GLuint Depth; /* 0 <= Depth < MaxDepth */
- GLuint MaxDepth; /* size of Stack[] array */
- GLuint DirtyFlag; /* _NEW_MODELVIEW or _NEW_PROJECTION, for example */
+ GLmatrix *Top; /**< points into Stack */
+ GLmatrix *Stack; /**< array [MaxDepth] of GLmatrix */
+ GLuint Depth; /**< 0 <= Depth < MaxDepth */
+ GLuint MaxDepth; /**< size of Stack[] array */
+ GLuint DirtyFlag; /**< _NEW_MODELVIEW or _NEW_PROJECTION, for example */
};
-/*
- * Bits for image transfer operations (ctx->ImageTransferState).
+/**
+ * \name Bits for image transfer operations
+ *
+ * \sa __GLcontextRec::ImageTransferState.
*/
+/*@{*/
#define IMAGE_SCALE_BIAS_BIT 0x1
#define IMAGE_SHIFT_OFFSET_BIT 0x2
#define IMAGE_MAP_COLOR_BIT 0x4
#define IMAGE_HISTOGRAM_BIT 0x200
#define IMAGE_MIN_MAX_BIT 0x400
-/* transfer ops up to convolution: */
+/** Transfer ops up to convolution */
#define IMAGE_PRE_CONVOLUTION_BITS (IMAGE_SCALE_BIAS_BIT | \
IMAGE_SHIFT_OFFSET_BIT | \
IMAGE_MAP_COLOR_BIT | \
IMAGE_COLOR_TABLE_BIT)
-/* transfer ops after convolution: */
+/** Transfer ops after convolution */
#define IMAGE_POST_CONVOLUTION_BITS (IMAGE_POST_CONVOLUTION_SCALE_BIAS | \
IMAGE_POST_CONVOLUTION_COLOR_TABLE_BIT | \
IMAGE_COLOR_MATRIX_BIT | \
IMAGE_POST_COLOR_MATRIX_COLOR_TABLE_BIT |\
IMAGE_HISTOGRAM_BIT | \
IMAGE_MIN_MAX_BIT)
+/*@}*/
-/*
- * Bits to indicate what state has changed. 6 unused flags.
- */
-#define _NEW_MODELVIEW 0x1 /* ctx->ModelView */
-#define _NEW_PROJECTION 0x2 /* ctx->Projection */
-#define _NEW_TEXTURE_MATRIX 0x4 /* ctx->TextureMatrix */
-#define _NEW_COLOR_MATRIX 0x8 /* ctx->ColorMatrix */
-#define _NEW_ACCUM 0x10 /* ctx->Accum */
-#define _NEW_COLOR 0x20 /* ctx->Color */
-#define _NEW_DEPTH 0x40 /* ctx->Depth */
-#define _NEW_EVAL 0x80 /* ctx->Eval, ctx->EvalMap */
-#define _NEW_FOG 0x100 /* ctx->Fog */
-#define _NEW_HINT 0x200 /* ctx->Hint */
-#define _NEW_LIGHT 0x400 /* ctx->Light */
-#define _NEW_LINE 0x800 /* ctx->Line */
-#define _NEW_PIXEL 0x1000 /* ctx->Pixel */
-#define _NEW_POINT 0x2000 /* ctx->Point */
-#define _NEW_POLYGON 0x4000 /* ctx->Polygon */
-#define _NEW_POLYGONSTIPPLE 0x8000 /* ctx->PolygonStipple */
-#define _NEW_SCISSOR 0x10000 /* ctx->Scissor */
-#define _NEW_STENCIL 0x20000 /* ctx->Stencil */
-#define _NEW_TEXTURE 0x40000 /* ctx->Texture */
-#define _NEW_TRANSFORM 0x80000 /* ctx->Transform */
-#define _NEW_VIEWPORT 0x100000 /* ctx->Viewport */
-#define _NEW_PACKUNPACK 0x200000 /* ctx->Pack, ctx->Unpack */
-#define _NEW_ARRAY 0x400000 /* ctx->Array */
-#define _NEW_RENDERMODE 0x800000 /* RenderMode, Feedback, Select */
-#define _NEW_BUFFERS 0x1000000 /* ctx->Visual, ctx->DrawBuffer, */
-#define _NEW_MULTISAMPLE 0x2000000 /* ctx->Multisample */
-#define _NEW_TRACK_MATRIX 0x4000000 /* ctx->VertexProgram */
-#define _NEW_PROGRAM 0x8000000 /* ctx->VertexProgram */
+/**
+ * \name Bits to indicate what state has changed.
+ *
+ * 4 unused flags.
+ */
+/*@{*/
+#define _NEW_MODELVIEW 0x1 /**< __GLcontextRec::ModelView */
+#define _NEW_PROJECTION 0x2 /**< __GLcontextRec::Projection */
+#define _NEW_TEXTURE_MATRIX 0x4 /**< __GLcontextRec::TextureMatrix */
+#define _NEW_COLOR_MATRIX 0x8 /**< __GLcontextRec::ColorMatrix */
+#define _NEW_ACCUM 0x10 /**< __GLcontextRec::Accum */
+#define _NEW_COLOR 0x20 /**< __GLcontextRec::Color */
+#define _NEW_DEPTH 0x40 /**< __GLcontextRec::Depth */
+#define _NEW_EVAL 0x80 /**< __GLcontextRec::Eval, __GLcontextRec::EvalMap */
+#define _NEW_FOG 0x100 /**< __GLcontextRec::Fog */
+#define _NEW_HINT 0x200 /**< __GLcontextRec::Hint */
+#define _NEW_LIGHT 0x400 /**< __GLcontextRec::Light */
+#define _NEW_LINE 0x800 /**< __GLcontextRec::Line */
+#define _NEW_PIXEL 0x1000 /**< __GLcontextRec::Pixel */
+#define _NEW_POINT 0x2000 /**< __GLcontextRec::Point */
+#define _NEW_POLYGON 0x4000 /**< __GLcontextRec::Polygon */
+#define _NEW_POLYGONSTIPPLE 0x8000 /**< __GLcontextRec::PolygonStipple */
+#define _NEW_SCISSOR 0x10000 /**< __GLcontextRec::Scissor */
+#define _NEW_STENCIL 0x20000 /**< __GLcontextRec::Stencil */
+#define _NEW_TEXTURE 0x40000 /**< __GLcontextRec::Texture */
+#define _NEW_TRANSFORM 0x80000 /**< __GLcontextRec::Transform */
+#define _NEW_VIEWPORT 0x100000 /**< __GLcontextRec::Viewport */
+#define _NEW_PACKUNPACK 0x200000 /**< __GLcontextRec::Pack, __GLcontextRec::Unpack */
+#define _NEW_ARRAY 0x400000 /**< __GLcontextRec::Array */
+#define _NEW_RENDERMODE 0x800000 /**< __GLcontextRec::RenderMode, __GLcontextRec::Feedback, __GLcontextRec::Select */
+#define _NEW_BUFFERS 0x1000000 /**< __GLcontextRec::Visual, __GLcontextRec::DrawBuffer, */
+#define _NEW_MULTISAMPLE 0x2000000 /**< __GLcontextRec::Multisample */
+#define _NEW_TRACK_MATRIX 0x4000000 /**< __GLcontextRec::VertexProgram */
+#define _NEW_PROGRAM 0x8000000 /**< __GLcontextRec::VertexProgram */
#define _NEW_ALL ~0
+/*@}*/
-
-/* Bits to track array state changes (also used to summarize array enabled)
+/**
+ * \name Bits to track array state changes
+ *
+ * Also used to summarize array enabled.
*/
+/*@{*/
#define _NEW_ARRAY_VERTEX VERT_BIT_POS
#define _NEW_ARRAY_WEIGHT VERT_BIT_WEIGHT
#define _NEW_ARRAY_NORMAL VERT_BIT_NORMAL
#define _NEW_ARRAY_TEXCOORD(i) (_NEW_ARRAY_TEXCOORD_0 << (i))
#define _NEW_ARRAY_ATTRIB(i) (_NEW_ARRAY_ATTRIB_0 << (i))
+/*@}*/
-/* A bunch of flags that we think might be useful to drivers.
- * Set in the ctx->_TriangleCaps bitfield.
+/**
+ * \name A bunch of flags that we think might be useful to drivers.
+ *
+ * Set in the __GLcontextRec::_TriangleCaps bitfield.
*/
+/*@{*/
#define DD_FLATSHADE 0x1
#define DD_SEPARATE_SPECULAR 0x2
#define DD_TRI_CULL_FRONT_BACK 0x4 /* special case on some hw */
#define DD_POINT_SMOOTH 0x800
#define DD_POINT_SIZE 0x1000
#define DD_POINT_ATTEN 0x2000
+/*@}*/
-/* Define the state changes under which each of these bits might change
+/**
+ * \name Define the state changes under which each of these bits might change
*/
+/*@{*/
#define _DD_NEW_FLATSHADE _NEW_LIGHT
#define _DD_NEW_SEPARATE_SPECULAR (_NEW_LIGHT | _NEW_FOG)
#define _DD_NEW_TRI_CULL_FRONT_BACK _NEW_POLYGON
#define _DD_NEW_POINT_SMOOTH _NEW_POINT
#define _DD_NEW_POINT_SIZE _NEW_POINT
#define _DD_NEW_POINT_ATTEN _NEW_POINT
+/*@}*/
+
#define _MESA_NEW_NEED_EYE_COORDS (_NEW_LIGHT | \
_NEW_TEXTURE | \
#define _IMAGE_NEW_TRANSFER_STATE (_NEW_PIXEL | _NEW_COLOR_MATRIX)
-/* Bits for ctx->_NeedNormals */
-#define NEED_NORMALS_TEXGEN 0x1
-#define NEED_NORMALS_LIGHT 0x2
-
-/* Bits for ctx->_NeedEyeCoords */
-#define NEED_EYE_TEXGEN 0x1
-#define NEED_EYE_LIGHT 0x2
-#define NEED_EYE_LIGHT_MODELVIEW 0x4
-#define NEED_EYE_POINT_ATTEN 0x8
-#define NEED_EYE_DRIVER 0x10
/*
- * Forward declaration of display list datatypes:
+ * Forward declaration of display list data types:
*/
union node;
typedef union node Node;
#include "dd.h"
-/*
- * Core Mesa's support for tnl modules:
- */
#define NUM_VERTEX_FORMAT_ENTRIES (sizeof(GLvertexformat) / sizeof(void *))
+/**
+ * Core Mesa's support for tnl modules:
+ */
struct gl_tnl_module {
- /* Vertex format to be lazily swapped into current dispatch.
+ /**
+ * Vertex format to be lazily swapped into current dispatch.
*/
GLvertexformat *Current;
- /* Record of functions swapped out. On restore, only need to swap
- * these functions back in.
+ /**
+ * \name Record of functions swapped out.
+ * On restore, only need to swap these functions back in.
*/
+ /*@{*/
void *Swapped[NUM_VERTEX_FORMAT_ENTRIES][2];
GLuint SwapCount;
+ /*@}*/
+};
+
+struct mesa_list_state {
+ GLuint CallDepth; /**< Current recursion calling depth */
+ Node *CurrentListPtr; /**< Head of list being compiled */
+ GLuint CurrentListNum; /**< Number of the list being compiled */
+ Node *CurrentBlock; /**< Pointer to current block of nodes */
+ GLuint CurrentPos; /**< Index into current block of nodes */
+ GLvertexformat ListVtxfmt;
+
+ GLubyte ActiveAttribSize[VERT_ATTRIB_MAX];
+ GLfloat CurrentAttrib[VERT_ATTRIB_MAX][4];
+
+ GLubyte ActiveMaterialSize[MAT_ATTRIB_MAX];
+ GLfloat CurrentMaterial[MAT_ATTRIB_MAX][4];
+
+ GLubyte ActiveIndex;
+ GLfloat CurrentIndex;
+
+ GLubyte ActiveEdgeFlag;
+ GLboolean CurrentEdgeFlag;
};
/**
+ * Mesa context
+ *
* This is the central context data structure for Mesa. Almost all
* OpenGL state is contained in this structure.
* Think of this as a base class from which device drivers will derive
*/
struct __GLcontextRec {
/**
- * OS related interfaces; these *must* be the first members of this
- * structure, because they are exposed to the outside world (i.e. GLX
- * extension).
+ * \name OS related interfaces.
+ *
+ * These \b must be the first members of this structure, because they are
+ * exposed to the outside world (i.e. GLX extension).
*/
+ /*@{*/
__GLimports imports;
__GLexports exports;
+ /*@}*/
- /* State possibly shared with other contexts in the address space */
+ /** State possibly shared with other contexts in the address space */
struct gl_shared_state *Shared;
- /* API function pointer tables */
- struct _glapi_table *Save; /**< Display list save funcs */
- struct _glapi_table *Exec; /**< Execute funcs */
+ /** \name API function pointer tables */
+ /*@{*/
+ struct _glapi_table *Save; /**< Display list save functions */
+ struct _glapi_table *Exec; /**< Execute functions */
struct _glapi_table *CurrentDispatch; /**< == Save or Exec !! */
-
- GLboolean ExecPrefersFloat; /**< What preference for color conversion? */
- GLboolean SavePrefersFloat;
+ /*@}*/
GLvisual Visual;
GLframebuffer *DrawBuffer; /**< buffer for writing */
void *DriverCtx; /**< Points to device driver context/state */
void *DriverMgrCtx; /**< Points to device driver manager (optional)*/
- /* Core/Driver constants */
+ /** Core/Driver constants */
struct gl_constants Const;
- /* The various 4x4 matrix stacks */
+ /** \name The various 4x4 matrix stacks */
+ /*@{*/
struct matrix_stack ModelviewMatrixStack;
struct matrix_stack ProjectionMatrixStack;
struct matrix_stack ColorMatrixStack;
struct matrix_stack TextureMatrixStack[MAX_TEXTURE_COORD_UNITS];
struct matrix_stack ProgramMatrixStack[MAX_PROGRAM_MATRICES];
- struct matrix_stack *CurrentStack; /* Points to one of the above stacks */
+ struct matrix_stack *CurrentStack; /**< Points to one of the above stacks */
+ /*@}*/
- /* Combined modelview and projection matrix */
+ /** Combined modelview and projection matrix */
GLmatrix _ModelProjectMatrix;
- /* Display lists */
- GLuint CallDepth; /* Current recursion calling depth */
- GLboolean ExecuteFlag; /* Execute GL commands? */
- GLboolean CompileFlag; /* Compile GL commands into display list? */
- Node *CurrentListPtr; /* Head of list being compiled */
- GLuint CurrentListNum; /* Number of the list being compiled */
- Node *CurrentBlock; /* Pointer to current block of nodes */
- GLuint CurrentPos; /* Index into current block of nodes */
+ /** \name Display lists */
+ struct mesa_list_state ListState;
+
+ GLboolean ExecuteFlag; /**< Execute GL commands? */
+ GLboolean CompileFlag; /**< Compile GL commands into display list? */
- /* Extensions */
+ /** Extensions */
struct gl_extensions Extensions;
- /* Renderer attribute stack */
+ /** \name Renderer attribute stack */
+ /*@{*/
GLuint AttribStackDepth;
struct gl_attrib_node *AttribStack[MAX_ATTRIB_STACK_DEPTH];
+ /*@}*/
- /* Renderer attribute groups */
- struct gl_accum_attrib Accum;
- struct gl_colorbuffer_attrib Color;
- struct gl_current_attrib Current;
- struct gl_depthbuffer_attrib Depth;
- struct gl_eval_attrib Eval;
- struct gl_fog_attrib Fog;
- struct gl_hint_attrib Hint;
- struct gl_light_attrib Light;
- struct gl_line_attrib Line;
- struct gl_list_attrib List;
+ /** \name Renderer attribute groups
+ *
+ * We define a struct for each attribute group to make pushing and popping
+ * attributes easy. Also it's a good organization.
+ */
+ /*@{*/
+ struct gl_accum_attrib Accum; /**< Accumulation buffer attributes */
+ struct gl_colorbuffer_attrib Color; /**< Color buffers attributes */
+ struct gl_current_attrib Current; /**< Current attributes */
+ struct gl_depthbuffer_attrib Depth; /**< Depth buffer attributes */
+ struct gl_eval_attrib Eval; /**< Eval attributes */
+ struct gl_fog_attrib Fog; /**< Fog attributes */
+ struct gl_hint_attrib Hint; /**< Hint attributes */
+ struct gl_light_attrib Light; /**< Light attributes */
+ struct gl_line_attrib Line; /**< Line attributes */
+ struct gl_list_attrib List; /**< List attributes */
struct gl_multisample_attrib Multisample;
- struct gl_pixel_attrib Pixel;
- struct gl_point_attrib Point;
- struct gl_polygon_attrib Polygon;
- GLuint PolygonStipple[32];
- struct gl_scissor_attrib Scissor;
- struct gl_stencil_attrib Stencil;
- struct gl_texture_attrib Texture;
- struct gl_transform_attrib Transform;
- struct gl_viewport_attrib Viewport;
-
- /* Other attribute groups */
+ struct gl_pixel_attrib Pixel; /**< Pixel attributes */
+ struct gl_point_attrib Point; /**< Point attributes */
+ struct gl_polygon_attrib Polygon; /**< Polygon attributes */
+ GLuint PolygonStipple[32]; /**< Polygon stipple */
+ struct gl_scissor_attrib Scissor; /**< Scissor attributes */
+ struct gl_stencil_attrib Stencil; /**< Stencil buffer attributes */
+ struct gl_texture_attrib Texture; /**< Texture attributes */
+ struct gl_transform_attrib Transform; /**< Transformation attributes */
+ struct gl_viewport_attrib Viewport; /**< Viewport attributes */
+ /*@}*/
+
+ /** \name Other attribute groups */
+ /*@{*/
struct gl_histogram_attrib Histogram;
struct gl_minmax_attrib MinMax;
struct gl_convolution_attrib Convolution1D;
struct gl_convolution_attrib Convolution2D;
struct gl_convolution_attrib Separable2D;
+ /*@}*/
- /* Client attribute stack */
+ /** \name Client attribute stack */
+ /*@{*/
GLuint ClientAttribStackDepth;
struct gl_attrib_node *ClientAttribStack[MAX_CLIENT_ATTRIB_STACK_DEPTH];
+ /*@}*/
- /* Client attribute groups */
- struct gl_array_attrib Array; /* Vertex arrays */
- struct gl_pixelstore_attrib Pack; /* Pixel packing */
- struct gl_pixelstore_attrib Unpack; /* Pixel unpacking */
+ /** \name Client attribute groups */
+ /*@{*/
+ struct gl_array_attrib Array; /**< Vertex arrays */
+ struct gl_pixelstore_attrib Pack; /**< Pixel packing */
+ struct gl_pixelstore_attrib Unpack; /**< Pixel unpacking */
- struct gl_evaluators EvalMap; /* All evaluators */
- struct gl_feedback Feedback; /* Feedback */
- struct gl_selection Select; /* Selection */
+ struct gl_evaluators EvalMap; /**< All evaluators */
+ struct gl_feedback Feedback; /**< Feedback */
+ struct gl_selection Select; /**< Selection */
- struct gl_color_table ColorTable; /* Pre-convolution */
- struct gl_color_table ProxyColorTable; /* Pre-convolution */
+ struct gl_color_table ColorTable; /**< Pre-convolution */
+ struct gl_color_table ProxyColorTable; /**< Pre-convolution */
struct gl_color_table PostConvolutionColorTable;
struct gl_color_table ProxyPostConvolutionColorTable;
struct gl_color_table PostColorMatrixColorTable;
struct gl_color_table ProxyPostColorMatrixColorTable;
- struct program_state Program; /* for vertex or fragment progs */
- struct vertex_program_state VertexProgram; /* GL_NV_vertex_program */
- struct fragment_program_state FragmentProgram; /* GL_NV_fragment_program */
+ struct program_state Program; /**< for vertex or fragment progs */
+ struct vertex_program_state VertexProgram; /**< GL_NV_vertex_program */
+ struct fragment_program_state FragmentProgram; /**< GL_NV_fragment_program */
+
+ struct occlusion_state Occlusion; /**< GL_ARB_occlusion_query */
- GLenum ErrorValue; /* Last error code */
- GLenum RenderMode; /* either GL_RENDER, GL_SELECT, GL_FEEDBACK */
- GLuint NewState; /* bitwise-or of _NEW_* flags */
+ GLenum ErrorValue; /**< Last error code */
+ GLenum RenderMode; /**< either GL_RENDER, GL_SELECT, GL_FEEDBACK */
+ GLuint NewState; /**< bitwise-or of _NEW_* flags */
+ /*@}*/
- /* Derived */
- GLuint _TriangleCaps; /* bitwise-or of DD_* flags */
- GLuint _ImageTransferState;/* bitwise-or of IMAGE_*_BIT flags */
+ /** \name Derived */
+ /*@{*/
+ GLuint _TriangleCaps; /**< bitwise-or of DD_* flags */
+ GLuint _ImageTransferState;/**< bitwise-or of IMAGE_*_BIT flags */
GLfloat _EyeZDir[3];
GLfloat _ModelViewInvScale;
GLuint _NeedEyeCoords;
- GLuint _NeedNormals; /* Are vertex normal vectors needed? */
+ GLuint _ForceEyeCoords;
+ GLboolean _RotateMode;
+ GLenum _CurrentProgram; /* currently executing program */
- struct gl_shine_tab *_ShineTable[2]; /* Active shine tables */
- struct gl_shine_tab *_ShineTabList; /* Mru list of inactive shine tables */
+ struct gl_shine_tab *_ShineTable[2]; /**< Active shine tables */
+ struct gl_shine_tab *_ShineTabList; /**< MRU list of inactive shine tables */
+ /**@}*/
- struct gl_list_extensions listext; /* driver dlist extensions */
+ struct gl_list_extensions listext; /**< driver dlist extensions */
GLboolean OcclusionResult; /**< for GL_HP_occlusion_test */
GLboolean OcclusionResultSaved; /**< for GL_HP_occlusion_test */
- GLuint _Facing; /* This is a hack for 2-sided stencil test. We don't */
- /* have a better way to communicate this value from */
- /* swrast_setup to swrast. */
+ GLuint _Facing; /**< This is a hack for 2-sided stencil test.
+ *
+ * We don't have a better way to communicate this value from
+ * swrast_setup to swrast. */
- /* Z buffer stuff */
+ /** \name Z buffer stuff */
+ /*@{*/
GLuint DepthMax; /**< Max depth buffer value */
GLfloat DepthMaxF; /**< Float max depth buffer value */
GLfloat MRD; /**< minimum resolvable difference in Z values */
+ /*@}*/
/** Should 3Dfx Glide driver catch signals? */
GLboolean CatchSignals;
- /** For debugging/development only */
- GLboolean NoRaster;
+ /** \name For debugging/development only */
+ /*@{*/
GLboolean FirstTimeCurrent;
+ /*@}*/
/** Dither disable via MESA_NO_DITHER env var */
GLboolean NoDither;
- GLboolean Rendering;
-
-#if defined(MESA_TRACE)
- struct _glapi_table *TraceDispatch;
- trace_context_t *TraceCtx;
-#else
- void *TraceDispatch;
- void *TraceCtx;
-#endif
-
- /* Core tnl module support */
+ /** Core tnl module support */
struct gl_tnl_module TnlModule;
- /* Hooks for module contexts. These will eventually live
- * in the driver or elsewhere.
+ /**
+ * \name Hooks for module contexts.
+ *
+ * These will eventually live in the driver or elsewhere.
*/
+ /*@{*/
void *swrast_context;
void *swsetup_context;
void *swtnl_context;
void *swtnl_im;
void *acache_context;
void *aelt_context;
+ /*@}*/
};
-/* The string names for GL_POINT, GL_LINE_LOOP, etc */
+/** The string names for GL_POINT, GL_LINE_LOOP, etc */
extern const char *_mesa_prim_name[GL_POLYGON+4];
#ifdef MESA_DEBUG
extern int MESA_VERBOSE;
extern int MESA_DEBUG_FLAGS;
+# define MESA_FUNCTION __FUNCTION__
#else
# define MESA_VERBOSE 0
# define MESA_DEBUG_FLAGS 0
+# define MESA_FUNCTION "a function"
# ifndef NDEBUG
# define NDEBUG
# endif
#define Elements(x) sizeof(x)/sizeof(*(x))
-/* Eventually let the driver specify what statechanges require a flush:
- */
-#define FLUSH_VERTICES(ctx, newstate) \
-do { \
- if (MESA_VERBOSE & VERBOSE_STATE) \
- _mesa_debug(ctx, "FLUSH_VERTICES in %s\n", __FUNCTION__); \
- if (ctx->Driver.NeedFlush & FLUSH_STORED_VERTICES) \
- ctx->Driver.FlushVertices(ctx, FLUSH_STORED_VERTICES); \
- ctx->NewState |= newstate; \
-} while (0)
-
-#define FLUSH_CURRENT(ctx, newstate) \
-do { \
- if (MESA_VERBOSE & VERBOSE_STATE) \
- _mesa_debug(ctx, "FLUSH_CURRENT in %s\n", __FUNCTION__); \
- if (ctx->Driver.NeedFlush & FLUSH_UPDATE_CURRENT) \
- ctx->Driver.FlushVertices(ctx, FLUSH_UPDATE_CURRENT); \
- ctx->NewState |= newstate; \
-} while (0)
-
-#define ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, retval) \
-do { \
- if (ctx->Driver.CurrentExecPrimitive != PRIM_OUTSIDE_BEGIN_END) { \
- _mesa_error( ctx, GL_INVALID_OPERATION, "begin/end" ); \
- return retval; \
- } \
-} while (0)
-
-#define ASSERT_OUTSIDE_BEGIN_END(ctx) \
-do { \
- if (ctx->Driver.CurrentExecPrimitive != PRIM_OUTSIDE_BEGIN_END) { \
- _mesa_error( ctx, GL_INVALID_OPERATION, "begin/end" ); \
- return; \
- } \
-} while (0)
-
-#define ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx) \
-do { \
- ASSERT_OUTSIDE_BEGIN_END(ctx); \
- FLUSH_VERTICES(ctx, 0); \
-} while (0)
-
-#define ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH_WITH_RETVAL(ctx, retval) \
-do { \
- ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, retval); \
- FLUSH_VERTICES(ctx, 0); \
-} while (0)
-
-
-
-
#endif /* TYPES_H */
projects / mesa.git / blobdiff