-/* $Id: mtypes.h,v 1.55 2001/12/14 02:50:02 brianp Exp $ */
+/* $Id: mtypes.h,v 1.66 2002/03/13 04:33:16 brianp Exp $ */
/*
* Mesa 3-D graphics library
* Version: 4.1
*
- * Copyright (C) 1999-2001 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2002 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
#endif
-/*
+/**
* Accumulation buffer data type:
*/
#if ACCUM_BITS==8
#endif
-/*
+/**
* Stencil buffer data type:
*/
#if STENCIL_BITS==8
#endif
-/*
+/**
* Depth buffer data type:
*/
typedef GLuint GLdepth; /* Must be 32-bits! */
-/*
+/**
* Fixed point data type:
*/
typedef int GLfixed;
-/*
+/**
* Some forward type declarations
*/
struct _mesa_HashTable;
-/* Maximum number of temporary vertices required for clipping. (Used
+/* 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
+
+/* These are used in bitfields in many places */
+#define VERT_BIT_POS (1 << VERT_ATTRIB_POS)
+#define VERT_BIT_WEIGHT (1 << VERT_ATTRIB_WEIGHT)
+#define VERT_BIT_NORMAL (1 << VERT_ATTRIB_NORMAL)
+#define VERT_BIT_COLOR0 (1 << VERT_ATTRIB_COLOR0)
+#define VERT_BIT_COLOR1 (1 << VERT_ATTRIB_COLOR1)
+#define VERT_BIT_FOG (1 << VERT_ATTRIB_FOG)
+#define VERT_BIT_SIX (1 << VERT_ATTRIB_SIX)
+#define VERT_BIT_SEVEN (1 << VERT_ATTRIB_SEVEN)
+#define VERT_BIT_TEX0 (1 << VERT_ATTRIB_TEX0)
+#define VERT_BIT_TEX1 (1 << VERT_ATTRIB_TEX1)
+#define VERT_BIT_TEX2 (1 << VERT_ATTRIB_TEX2)
+#define VERT_BIT_TEX3 (1 << VERT_ATTRIB_TEX3)
+#define VERT_BIT_TEX4 (1 << VERT_ATTRIB_TEX4)
+#define VERT_BIT_TEX5 (1 << VERT_ATTRIB_TEX5)
+#define VERT_BIT_TEX6 (1 << VERT_ATTRIB_TEX6)
+#define VERT_BIT_TEX7 (1 << VERT_ATTRIB_TEX7)
+
+#define VERT_BIT_TEX(u) (1 << (VERT_ATTRIB_TEX0 + (u)))
+
+
+
+/**
+ * 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)
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 */
};
-/* These define the aliases between numbered vertex attributes and
- * conventional OpenGL vertex attributes.
- */
-#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
-
struct gl_current_attrib {
/* These values valid only when FLUSH_VERTICES has been called.
*/
- GLfloat Attrib[8 + MAX_TEXTURE_UNITS][4]; /* Current vertex attributes */
+ GLfloat Attrib[VERT_ATTRIB_MAX][4]; /* Current vertex attributes */
/* indexed by VERT_ATTRIB_* */
GLuint Index; /* Current color index */
GLboolean EdgeFlag; /* Current edge flag */
GLuint RasterIndex; /* Current raster index */
GLfloat *RasterTexCoord; /* Current raster texcoord */
GLfloat RasterMultiTexCoord[MAX_TEXTURE_UNITS][4];
- GLfloat RasterFogCoord;
GLboolean RasterPosValid; /* Raster pos valid flag */
};
GLboolean Map1TextureCoord4;
GLboolean Map1Vertex3;
GLboolean Map1Vertex4;
+ GLboolean Map1Attrib[16]; /* GL_NV_vertex_program */
GLboolean Map2Color4;
GLboolean Map2Index;
GLboolean Map2Normal;
GLboolean Map2TextureCoord4;
GLboolean Map2Vertex3;
GLboolean Map2Vertex4;
+ GLboolean Map2Attrib[16]; /* GL_NV_vertex_program */
GLboolean MinMax;
GLboolean Normalize;
GLboolean PixelTexture;
GLboolean Map1TextureCoord4;
GLboolean Map1Vertex3;
GLboolean Map1Vertex4;
+ GLboolean Map1Attrib[16]; /* GL_NV_vertex_program */
GLboolean Map2Color4;
GLboolean Map2Index;
GLboolean Map2Normal;
GLboolean Map2TextureCoord4;
GLboolean Map2Vertex3;
GLboolean Map2Vertex4;
+ GLboolean Map2Attrib[16]; /* GL_NV_vertex_program */
GLboolean AutoNormal;
/* Map Grid endpoints and divisions and calculated du values */
GLint MapGrid1un;
GLchan ShadowAmbient; /* GL_SGIX/ARB_shadow_ambient */
GLenum CompareMode; /* GL_ARB_shadow */
GLenum CompareFunc; /* GL_ARB_shadow */
- GLenum CompareResult; /* 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 */
GLsizei StrideB; /* actual stride in bytes */
void *Ptr;
GLuint Flags;
- GLboolean Enabled;
+ GLuint Enabled; /* one of the _NEW_ARRAY_ bits */
};
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 */
/* 2-D maps */
struct gl_2d_map Map2Vertex3;
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 */
};
*/
#define VP_MAX_INSTRUCTIONS 128
-#define VP_MAX_MATRICES 8
-#define VP_MAX_MATRIX_DEPTH 4
-#define VP_NUM_INPUT_REGS 16
+#define VP_NUM_INPUT_REGS VERT_ATTRIB_MAX
#define VP_NUM_OUTPUT_REGS 15
#define VP_NUM_TEMP_REGS 12
#define VP_NUM_PROG_REGS 96
#define VP_PROG_REG_START (VP_TEMP_REG_END + 1)
#define VP_PROG_REG_END (VP_PROG_REG_START + VP_NUM_PROG_REGS - 1)
-/* Input register names */
-#define VP_IN_OPOS (VP_INPUT_REG_START + 0)
-#define VP_IN_WGHT (VP_INPUT_REG_START + 1)
-#define VP_IN_NRML (VP_INPUT_REG_START + 2)
-#define VP_IN_COL0 (VP_INPUT_REG_START + 3)
-#define VP_IN_COL1 (VP_INPUT_REG_START + 4)
-#define VP_IN_FOGC (VP_INPUT_REG_START + 5)
-#define VP_IN_TEX0 (VP_INPUT_REG_START + 8)
-#define VP_IN_TEX1 (VP_INPUT_REG_START + 9)
-#define VP_IN_TEX2 (VP_INPUT_REG_START + 10)
-#define VP_IN_TEX3 (VP_INPUT_REG_START + 11)
-#define VP_IN_TEX4 (VP_INPUT_REG_START + 12)
-#define VP_IN_TEX5 (VP_INPUT_REG_START + 13)
-#define VP_IN_TEX6 (VP_INPUT_REG_START + 14)
-#define VP_IN_TEX7 (VP_INPUT_REG_START + 15)
-
-/* Output register names */
-#define VP_OUT_HPOS (VP_OUTPUT_REG_START + 0)
-#define VP_OUT_COL0 (VP_OUTPUT_REG_START + 1)
-#define VP_OUT_COL1 (VP_OUTPUT_REG_START + 2)
-#define VP_OUT_BFC0 (VP_OUTPUT_REG_START + 3)
-#define VP_OUT_BFC1 (VP_OUTPUT_REG_START + 4)
-#define VP_OUT_FOGC (VP_OUTPUT_REG_START + 5)
-#define VP_OUT_PSIZ (VP_OUTPUT_REG_START + 6)
-#define VP_OUT_TEX0 (VP_OUTPUT_REG_START + 7)
-#define VP_OUT_TEX1 (VP_OUTPUT_REG_START + 8)
-#define VP_OUT_TEX2 (VP_OUTPUT_REG_START + 9)
-#define VP_OUT_TEX3 (VP_OUTPUT_REG_START + 10)
-#define VP_OUT_TEX4 (VP_OUTPUT_REG_START + 11)
-#define VP_OUT_TEX5 (VP_OUTPUT_REG_START + 12)
-#define VP_OUT_TEX6 (VP_OUTPUT_REG_START + 13)
-#define VP_OUT_TEX7 (VP_OUTPUT_REG_START + 14)
-
-
/* Machine state (i.e. the register file) */
struct vp_machine
SGE,
MAD,
ARL,
+ DPH,
+ RCC,
+ SUB,
+ ABS,
END
};
GLubyte *String; /* Original user code */
struct vp_instruction *Instructions; /* Compiled instructions */
GLenum Target; /* GL_VERTEX_PROGRAM_NV or GL_VERTEX_STATE_PROGRAM_NV */
- GLint ErrorPos;
+ GLint ErrorPos; /* Position in string where error was detected */
+ GLint RefCount; /* Since programs can be shared among contexts */
+ GLboolean IsPositionInvariant; /* GL_NV_vertex_program1_1 */
GLboolean Resident;
+ GLuint InputsRead; /* Bitmask of which input regs are read */
+ GLuint OutputsWritten; /* Bitmask of which output regs are written to */
};
/*
* State vars for GL_NV_vertex_program
*/
-struct gl_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 */
- GLuint Binding; /* currently bound program */
- struct _mesa_HashTable *HashTable; /* all programs */
+ GLboolean TwoSideEnabled; /* GL_VERTEX_PROGRAM_TWO_SIDE_NV */
+ GLuint CurrentID; /* currently bound program's ID */
+ struct vp_program *Current; /* ptr to currently bound program */
struct vp_machine Machine; /* machine state */
- GLmatrix Matrix[VP_MAX_MATRICES]; /* Tracking matrices */
- GLmatrix MatrixStack[VP_MAX_MATRICES][VP_MAX_MATRIX_DEPTH-1]; /* stacks */
- GLuint MatrixStackDepth[VP_MAX_MATRICES];
GLenum TrackMatrix[VP_NUM_PROG_REGS / 4];
GLenum TrackMatrixTransform[VP_NUM_PROG_REGS / 4];
-
};
struct gl_texture_object *Default3D;
struct gl_texture_object *DefaultCubeMap;
+ /* GL_NV_vertex_program */
+ struct _mesa_HashTable *VertexPrograms;
+
void *DriverData; /* Device driver shared state */
};
/* Flags to quickly test if certain extensions are available.
* Not every extension needs to have such a flag, but it's encouraged.
*/
+ GLboolean ARB_depth_texture;
GLboolean ARB_imaging;
GLboolean ARB_multisample;
GLboolean ARB_multitexture;
GLboolean NV_blend_square;
GLboolean NV_texgen_reflection;
GLboolean NV_vertex_program;
+ GLboolean NV_vertex_program1_1;
GLboolean SGI_color_matrix;
GLboolean SGI_color_table;
GLboolean SGIS_generate_mipmap;
GLboolean SGIS_pixel_texture;
GLboolean SGIS_texture_edge_clamp;
- GLboolean SGIX_depth_texture; /* or GL_ARB_depth_texture */
+ GLboolean SGIX_depth_texture;
GLboolean SGIX_pixel_texture;
GLboolean SGIX_shadow;
GLboolean SGIX_shadow_ambient; /* or GL_ARB_shadow_ambient */
/* XXX just an idea */
struct matrix_stack
{
- GLmatrix Top;
- GLmatrix *Stack;
- GLuint Depth;
- GLuint MaxDepth;
+ 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 */
};
#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 */
#define _NEW_ALL ~0
/* Bits to track array state changes (also used to summarize array enabled)
*/
-#define _NEW_ARRAY_VERTEX (1 << VERT_ATTRIB_POS)
-#define _NEW_ARRAY_WEIGHT (1 << VERT_ATTRIB_WEIGHT)
-#define _NEW_ARRAY_NORMAL (1 << VERT_ATTRIB_NORMAL)
-#define _NEW_ARRAY_COLOR0 (1 << VERT_ATTRIB_COLOR0)
-#define _NEW_ARRAY_COLOR1 (1 << VERT_ATTRIB_COLOR1)
-#define _NEW_ARRAY_FOGCOORD (1 << VERT_ATTRIB_FOG)
-#define _NEW_ARRAY_INDEX (1 << VERT_ATTRIB_SIX)
-#define _NEW_ARRAY_EDGEFLAG (1 << VERT_ATTRIB_SEVEN)
-#define _NEW_ARRAY_TEXCOORD_0 (1 << VERT_ATTRIB_TEX0)
-#define _NEW_ARRAY_TEXCOORD_1 (1 << VERT_ATTRIB_TEX1)
-#define _NEW_ARRAY_TEXCOORD_2 (1 << VERT_ATTRIB_TEX2)
-#define _NEW_ARRAY_TEXCOORD_3 (1 << VERT_ATTRIB_TEX3)
-#define _NEW_ARRAY_TEXCOORD_4 (1 << VERT_ATTRIB_TEX4)
-#define _NEW_ARRAY_TEXCOORD_5 (1 << VERT_ATTRIB_TEX5)
-#define _NEW_ARRAY_TEXCOORD_6 (1 << VERT_ATTRIB_TEX6)
-#define _NEW_ARRAY_TEXCOORD_7 (1 << VERT_ATTRIB_TEX7)
+#define _NEW_ARRAY_VERTEX VERT_BIT_POS
+#define _NEW_ARRAY_WEIGHT VERT_BIT_WEIGHT
+#define _NEW_ARRAY_NORMAL VERT_BIT_NORMAL
+#define _NEW_ARRAY_COLOR0 VERT_BIT_COLOR0
+#define _NEW_ARRAY_COLOR1 VERT_BIT_COLOR1
+#define _NEW_ARRAY_FOGCOORD VERT_BIT_FOG
+#define _NEW_ARRAY_INDEX VERT_BIT_SIX
+#define _NEW_ARRAY_EDGEFLAG VERT_BIT_SEVEN
+#define _NEW_ARRAY_TEXCOORD_0 VERT_BIT_TEX0
+#define _NEW_ARRAY_TEXCOORD_1 VERT_BIT_TEX1
+#define _NEW_ARRAY_TEXCOORD_2 VERT_BIT_TEX2
+#define _NEW_ARRAY_TEXCOORD_3 VERT_BIT_TEX3
+#define _NEW_ARRAY_TEXCOORD_4 VERT_BIT_TEX4
+#define _NEW_ARRAY_TEXCOORD_5 VERT_BIT_TEX5
+#define _NEW_ARRAY_TEXCOORD_6 VERT_BIT_TEX6
+#define _NEW_ARRAY_TEXCOORD_7 VERT_BIT_TEX7
#define _NEW_ARRAY_ALL 0xffff
#define _NEW_ARRAY_VERT_ATTRIB0 0x10000
#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
/*
};
-/*
- * The library context:
+/**
+ * This is the central context data structure for Mesa. Almost all
+ * OpenGL state is contained in this structure.
*/
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).
- */
+ /**
+ * OS related interfaces; these *must* be the first members of this
+ * structure, because they are exposed to the outside world (i.e. GLX
+ * extension).
+ */
__GLimports imports;
__GLexports exports;
struct gl_shared_state *Shared;
/* API function pointer tables */
- struct _glapi_table *Save; /* Display list save funcs */
- struct _glapi_table *Exec; /* Execute funcs */
- struct _glapi_table *CurrentDispatch; /* == Save or Exec !! */
+ struct _glapi_table *Save; /**< Display list save funcs */
+ struct _glapi_table *Exec; /**< Execute funcs */
+ struct _glapi_table *CurrentDispatch; /**< == Save or Exec !! */
- GLboolean ExecPrefersFloat; /* What preference for color conversion? */
+ GLboolean ExecPrefersFloat; /**< What preference for color conversion? */
GLboolean SavePrefersFloat;
GLvisual Visual;
- GLframebuffer *DrawBuffer; /* buffer for writing */
- GLframebuffer *ReadBuffer; /* buffer for reading */
+ GLframebuffer *DrawBuffer; /**< buffer for writing */
+ GLframebuffer *ReadBuffer; /**< buffer for reading */
- /* Driver function pointer table */
+ /**
+ * Device driver function pointer table
+ */
struct dd_function_table Driver;
- void *DriverCtx; /* Points to device driver context/state */
- void *DriverMgrCtx; /* Points to device driver manager (optional)*/
+ void *DriverCtx; /**< Points to device driver context/state */
+ void *DriverMgrCtx; /**< Points to device driver manager (optional)*/
/* Core/Driver constants */
struct gl_constants Const;
- /* Modelview matrix and stack */
- GLmatrix ModelView; /* current matrix, not stored on stack */
- GLuint ModelViewStackDepth;
- GLmatrix ModelViewStack[MAX_MODELVIEW_STACK_DEPTH - 1];
-#if 1
- struct matrix_stack ModelviewStack;
-#endif
-
- /* Projection matrix and stack */
- GLmatrix ProjectionMatrix; /* current matrix, not stored on stack */
- GLuint ProjectionStackDepth;
- GLmatrix ProjectionStack[MAX_PROJECTION_STACK_DEPTH - 1];
+ /* The various 4x4 matrix stacks */
+ struct matrix_stack ModelviewMatrixStack;
+ struct matrix_stack ProjectionMatrixStack;
+ struct matrix_stack ColorMatrixStack;
+ struct matrix_stack TextureMatrixStack[MAX_TEXTURE_UNITS];
+ struct matrix_stack ProgramMatrixStack[MAX_PROGRAM_MATRICES];
+ struct matrix_stack *CurrentStack; /* Points to one of the above stacks */
/* Combined modelview and projection matrix */
GLmatrix _ModelProjectMatrix;
- /* Texture matrix and stack */
- GLmatrix TextureMatrix[MAX_TEXTURE_UNITS];
- GLuint TextureStackDepth[MAX_TEXTURE_UNITS];
- GLmatrix TextureStack[MAX_TEXTURE_UNITS][MAX_TEXTURE_STACK_DEPTH - 1];
-
- /* Color matrix and stack */
- GLmatrix ColorMatrix;
- GLuint ColorStackDepth;
- GLmatrix ColorStack[MAX_COLOR_STACK_DEPTH - 1];
-
/* Display lists */
GLuint CallDepth; /* Current recursion calling depth */
GLboolean ExecuteFlag; /* Execute GL commands? */
struct gl_color_table PostColorMatrixColorTable;
struct gl_color_table ProxyPostColorMatrixColorTable;
- struct gl_vertex_program VertexProgram; /* GL_NV_vertex_program */
+ struct vertex_program_state VertexProgram; /* GL_NV_vertex_program */
GLenum ErrorValue; /* Last error code */
GLenum RenderMode; /* either GL_RENDER, GL_SELECT, GL_FEEDBACK */
GLuint _NeedEyeCoords;
GLuint _NeedNormals; /* Are vertex normal vectors needed? */
- 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 */
- GLboolean OcclusionResult; /* GL_HP_occlusion_test */
- GLboolean OcclusionResultSaved; /* GL_HP_occlusion_test */
+ GLboolean OcclusionResult; /**< for GL_HP_occlusion_test */
+ GLboolean OcclusionResultSaved; /**< for GL_HP_occlusion_test */
/* Z buffer stuff */
- GLuint DepthMax; /* Max depth buffer value */
- GLfloat DepthMaxF; /* Float max depth buffer value */
- GLfloat MRD; /* minimum resolvable difference in Z values */
+ 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? */
+ /** Should 3Dfx Glide driver catch signals? */
GLboolean CatchSignals;
- /* For debugging/development only */
+ /** For debugging/development only */
GLboolean NoRaster;
GLboolean FirstTimeCurrent;
- /* Dither disable via MESA_NO_DITHER env var */
+ /** Dither disable via MESA_NO_DITHER env var */
GLboolean NoDither;
GLboolean Rendering;
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