-/* $Id: mtypes.h,v 1.59 2002/01/06 03:54:12 brianp Exp $ */
+/* $Id: mtypes.h,v 1.66 2002/03/13 04:33:16 brianp Exp $ */
/*
* Mesa 3-D graphics library
* 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
-#define VERT_ATTRIB_MAX 16
-
struct gl_current_attrib {
/* These values valid only when FLUSH_VERTICES has been called.
*/
GLuint RasterIndex; /* Current raster index */
GLfloat *RasterTexCoord; /* Current raster texcoord */
GLfloat RasterMultiTexCoord[MAX_TEXTURE_UNITS][4];
- GLfloat RasterFogCoord;
GLboolean RasterPosValid; /* Raster pos valid flag */
};
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 */
};
SGE,
MAD,
ARL,
+ DPH,
+ RCC,
+ SUB,
+ ABS,
END
};
GLenum Target; /* GL_VERTEX_PROGRAM_NV or GL_VERTEX_STATE_PROGRAM_NV */
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 */
};
/* 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 */
#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;
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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