/* ** $VER: cybergl.h 1.0 (20.03.97) ** ** Copyright © 1996-1997 by phase5 digital products ** All Rights reserved. ** */ #ifndef _CYBERGL_H #define _CYBERGL_H #include extern struct Library *CyberGLBase; /*----------------------Defines------------------------------*/ #define GL_ACCUM_BUFFER_BIT (1 << 0) /* accumulation buffer mask */ #define GL_COLOR_BUFFER_BIT (1 << 1) /* color buffer mask */ #define GL_CURRENT_BIT (1 << 2) /* current values mask */ #define GL_DEPTH_BUFFER_BIT (1 << 3) /* depth buffer mask */ #define GL_ENABLE_BIT (1 << 4) /* enable mask */ #define GL_EVAL_BIT (1 << 5) /* evaluator mask */ #define GL_FOG_BIT (1 << 6) /* fog mask */ #define GL_HINT_BIT (1 << 7) /* hint mask */ #define GL_LIGHTING_BIT (1 << 8) /* lighting mask */ #define GL_LINE_BIT (1 << 9) /* line mask */ #define GL_LIST_BIT (1 << 10) /* display list mask */ #define GL_PIXEL_MODE_BIT (1 << 11) /* pixel mode mask */ #define GL_POINT_BIT (1 << 12) /* point mask */ #define GL_POLYGON_BIT (1 << 13) /* polygon mask */ #define GL_POLYGON_STIPPLE_BIT (1 << 14) /* polygon stipple mask */ #define GL_SCISSOR_BIT (1 << 15) /* scissor mask */ #define GL_STENCIL_BUFFER_BIT (1 << 16) /* stencil buffer mask */ #define GL_TEXTURE_BIT (1 << 17) /* texture mask */ #define GL_TRANSFORM_BIT (1 << 18) /* transformation mask */ #define GL_VIEWPORT_BIT (1 << 19) /* viewport mask */ #define GL_ALL_ATTRIB_BIT (GL_ACCUM_BUFFER_BIT || GL_COLOR_BUFFER_BIT || \ GL_CURRENT_BIT || GL_DEPTH_BUFFER_BIT || \ GL_ENABLE_BIT || GL_EVAL_BIT || \ GL_FOG_BIT || GL_HINT_BIT || \ GL_LIGHTING_BIT || GL_LINE_BIT || \ GL_LIST_BIT || GL_PIXEL_MODE_BIT || \ GL_POINT_BIT || GL_POLYGON_BIT || \ GL_POLYGON_STIPPLE_BIT || GL_SCISSOR_BIT || \ GL_STENCIL_BUFFER_BIT || GL_TEXTURE_BIT || \ GL_TRANSFORM_BIT || GL_VIEWPORT_BIT) /* all attrib bits at once */ /*----------------------Types--------------------------------*/ typedef void GLvoid; typedef unsigned long GLbitfield; typedef signed char GLbyte; typedef short GLshort; typedef long GLint; typedef unsigned long GLsizei; typedef unsigned char GLubyte; typedef unsigned short GLushort; typedef unsigned long GLuint; typedef float GLfloat; typedef float GLclampf; typedef double GLdouble; typedef double GLclampd; typedef enum { GL_FALSE, GL_TRUE } GLboolean; enum { GL_CLIENT_PIXEL_STORE_BIT = 0x00000001, GL_CLIENT_VERTEX_ARRAY_BIT = 0x00000002, GL_CLIENT_ALL_ATTRIB_BITS = 0x0000FFFF }; typedef enum { /* enumerated constants */ GL_NO_ERROR, /* no error occured */ GL_INVALID_ENUM, /* invalid enum specified */ GL_INVALID_VALUE, /* invalid value specified */ GL_INVALID_OPERATION, /* invalid operation executed */ GL_STACK_OVERFLOW, /* stack overflow error */ GL_STACK_UNDERFLOW, /* stack underflow error */ GL_OUT_OF_MEMORY, /* out of memory */ GL_NOT_IMPLEMENTED, /* not implemented in simpleGL */ GL_NO_PRIMITIVE, /* currently not in begin/end mode */ GL_POINTS, /* assembling points */ GL_LINE_STRIP, /* assembling a line strip */ GL_LINE_LOOP, /* assembling a line loop */ GL_LINES, /* assembling lines */ GL_POLYGON, /* assembling a polygon */ GL_TRIANGLE_STRIP, /* assembling a triangle strip */ GL_TRIANGLE_FAN, /* assembling a triangle fan */ GL_TRIANGLES, /* assembling triangles */ GL_QUAD_STRIP, /* assembling a quad strip */ GL_QUADS, /* assembling quads */ GL_CLIP_PLANE0, /* clip plane 0 */ GL_CLIP_PLANE1, /* clip plane 1 */ GL_CLIP_PLANE2, /* clip plane 2 */ GL_CLIP_PLANE3, /* clip plane 3 */ GL_CLIP_PLANE4, /* clip plane 4 */ GL_CLIP_PLANE5, /* clip plane 5 */ GL_LESS, /* pass depth test if new z is less */ GL_ALWAYS, /* always pass depth test */ GL_GEQUAL, /* pass depth test if new z is greater or equal */ GL_GREATER, /* pass depth test if new z is greater */ GL_LEQUAL, /* pass depth test if new z is less or equal */ GL_EQUAL, /* pass depth test if new z is equal */ GL_NOTEQUAL, /* pass depth test if new z is different */ GL_NEVER, /* never pass depth test */ GL_NONE, /* draw to no buffer */ GL_FRONT_LEFT, /* draw to front left buffer */ GL_FRONT_RIGHT, /* draw to front right buffer */ GL_BACK_LEFT, /* draw to back left buffer */ GL_BACK_RIGHT, /* draw to back right buffer */ GL_LEFT, /* draw to front and back left buffers */ GL_RIGHT, /* draw to front and back right buffers */ GL_FRONT, /* draw to left and right front buffers */ GL_BACK, /* draw to left and right back buffers */ GL_FRONT_AND_BACK, /* draw to all buffers */ GL_AUX0, /* draw to auxiliary buffer 0 */ GL_COLOR_MATERIAL, /* enable current color tracking */ GL_CULL_FACE, /* enable back face culling */ GL_DEPTH_TEST, /* enable depth test */ GL_FOG, /* enable fog calculation */ GL_LIGHTING, /* enable lighting */ GL_NORMALIZE, /* enable auto normalization */ GL_DITHER, /* enable dithering */ GL_FOG_MODE, /* specify fog mode */ GL_FOG_DENSITY, /* specify fog density */ GL_FOG_START, /* distance where no fog occurs */ GL_FOG_END, /* distance where full fog occurs */ GL_FOG_COLOR, /* color of fog */ GL_FOG_INDEX, /* not implemented */ GL_CW, /* clock wise */ GL_CCW, /* counter clock wise */ GL_AUX_BUFFERS, /* get number of auxiliary buffers */ GL_DEPTH_BITS, /* get number of depth buffer bits */ GL_RED_BITS, /* get number of red component bits */ GL_GREEN_BITS, /* get number of green component bits */ GL_BLUE_BITS, /* get number of blue component bits */ GL_ALPHA_BITS, /* get number of alpha component bits */ GL_COLOR_CLEAR_VALUE, /* get current clear color */ GL_COLOR_MATERIAL_FACE, /* get current color tracking face(s) */ GL_COLOR_MATERIAL_PARAMETER, /* get current color tracking material property */ GL_CULL_FACE_MODE, /* get current cull face mode */ GL_CURRENT_COLOR, /* get current color */ GL_CURRENT_NORMAL, /* get current normal */ GL_DEPTH_CLEAR_VALUE, /* get current depth clear value */ GL_DEPTH_FUNC, /* get current depth test function */ GL_DEPTH_RANGE, /* get current depth range */ GL_DOUBLEBUFFER, /* ask wheter doublebuffering is possible */ GL_DRAW_BUFFER, /* get current draw buffer(s) */ GL_EDGE_FLAG, /* get current edge flag */ GL_FRONT_FACE, /* get current front face orientation */ GL_MATRIX_MODE, /* get current matrix mode */ GL_MAX_CLIP_PLANES, /* get maximum number of clipping planes */ GL_MAX_LIGHTS, /* get maximum number of lights */ GL_MAX_MODELVIEW_STACK_DEPTH, /* get maximum modelview matrix stack depth */ GL_MAX_NAME_STACK_DEPTH, /* get maximum name stack depth */ GL_MAX_PROJECTION_STACK_DEPTH, /* get maximum projection matrix stack depth */ GL_MAX_VIEWPORT_DIMS, /* get maximum viewport dimensions */ GL_MODELVIEW_MATRIX, /* get current modelview matrix */ GL_MODELVIEW_STACK_DEPTH, /* get current modelview matrix stack depth */ GL_NAME_STACK_DEPTH, /* get current name stack depth */ GL_POLYGON_MODE, /* get current polygon rasterisation mode */ GL_PROJECTION_MATRIX, /* get current projection matrix */ GL_PROJECTION_STACK_DEPTH, /* get current projection matrix stack depth */ GL_RENDER_MODE, /* get current render mode */ GL_SHADE_MODEL, /* get current shade model */ GL_STEREO, /* ask whether stereo drawing is possible */ GL_VIEWPORT, /* get current viewport dimensions */ GL_VENDOR, /* get the implementation company's name */ GL_RENDERER, /* get platform specific string */ GL_VERSION, /* get release version */ GL_EXTENSIONS, /* get list of extensions */ GL_FOG_HINT, /* get current fog hint */ GL_PERSPECTIVE_CORRECTION_HINT, /* get current perspective correction hint */ GL_FASTEST, /* hint value 'fastest' */ GL_NICEST, /* hint value 'nicest' */ GL_DONT_CARE, /* do not care about hint */ GL_LIGHT0, /* light 0 */ GL_LIGHT1, /* light 1 */ GL_LIGHT2, /* light 2 */ GL_LIGHT3, /* light 3 */ GL_LIGHT4, /* light 4 */ GL_LIGHT5, /* light 5 */ GL_LIGHT6, /* light 6 */ GL_LIGHT7, /* light 7 */ GL_AMBIENT, /* ambient color */ GL_DIFFUSE, /* diffuse color */ GL_SPECULAR, /* specular color */ GL_POSITION, /* light position */ GL_SPOT_EXPONENT, /* spot exponent */ GL_SPOT_CUTOFF, /* spot light cutoff angle */ GL_SPOT_DIRECTION, /* spot light direction */ GL_CONSTANT_ATTENUATION, /* constant attenuation factor */ GL_LINEAR_ATTENUATION, /* linear attenuation factor */ GL_QUADRATIC_ATTENUATION, /* quadratic attenuation factor */ GL_LIGHT_MODEL_LOCAL_VIEWER, /* viewer at infinity or at [0,0,0,1] */ GL_LIGHT_MODEL_TWO_SIDE, /* handle front and back materials different */ GL_LIGHT_MODEL_AMBIENT, /* ambient color of scene */ GL_EMISSION, /* emissive color */ GL_SHININESS, /* specular reflection shininess */ GL_AMBIENT_AND_DIFFUSE, /* ambient and diffuse color */ GL_MODELVIEW, /* modelview matrix mode */ GL_PROJECTION, /* perspective matrix mode */ GL_POINT, /* polygon rasterisation mode 'point' */ GL_LINE, /* polygon rasterisation mode 'line' */ GL_FILL, /* polygon rasterisation mode 'fill' */ GL_RENDER, /* render primitives */ GL_SELECT, /* determine selected primitives */ GL_FEEDBACK, /* determine data, that would have been rendered */ GL_FLAT, /* flat shading */ GL_SMOOTH, /* gouraud shading */ GL_S, /* TexGen s coordinate */ GL_T, /* TexGen t coordinate */ GL_R, /* TexGen r coordinate */ GL_Q, /* TexGen q coordinate */ GL_PACK_SWAP_BYTES, /* swap bytes while packing image data */ GL_PACK_LSB_FIRST, /* swap bits while packing image data */ GL_PACK_ROW_LENGTH, /* image row length for packing */ GL_PACK_SKIP_PIXELS, /* image left offset for packing */ GL_PACK_SKIP_ROWS, /* image bottom offset for packing */ GL_PACK_ALIGNMENT, /* image packing row alignment */ GL_UNPACK_SWAP_BYTES, /* swap bytes while unpacking image data */ GL_UNPACK_LSB_FIRST, /* swap bits while unpacking image data */ GL_UNPACK_ROW_LENGTH, /* image row length for unpacking */ GL_UNPACK_SKIP_PIXELS, /* image left offset for unpacking */ GL_UNPACK_SKIP_ROWS, /* image bottom offset for unpacking */ GL_UNPACK_ALIGNMENT, /* image unpacking row alignment */ GL_MAP_COLOR, /* color mapping via lookup tables */ GL_MAP_STENCIL, /* stencil mapping vias lookup table */ GL_INDEX_SHIFT, /* index shift for images */ GL_INDEX_OFFSET, /* index offset for images */ GL_RED_SCALE, /* red scale for images */ GL_RED_BIAS, /* red bias for images */ GL_GREEN_SCALE, /* green scale for images */ GL_GREEN_BIAS, /* green bias for images */ GL_BLUE_SCALE, /* blue scale for images */ GL_BLUE_BIAS, /* blue bias for images */ GL_ALPHA_SCALE, /* alpha scale for images */ GL_ALPHA_BIAS, /* alpha bias for images */ GL_DEPTH_SCALE, /* depth scale for images */ GL_DEPTH_BIAS, /* depth bias for images */ GL_ALPHA_TEST, /* not implemented */ GL_AUTO_NORMAL, /* not implemented */ GL_MODULATE, /* texture environment mode modulate */ GL_DECAL, /* texture environment mode decal */ GL_BLEND, /* texture environment mode blend */ GL_LINE_SMOOTH, /* not implemented */ GL_LINE_STIPPLE, /* not implemented */ GL_LOGIC_OP, /* not implemented */ GL_MAP1_COLOR4, /* not implemented */ GL_MAP1_INDEX, /* not implemented */ GL_MAP1_NORMAL, /* not implemented */ GL_MAP1_TEXTURE_COORD_1, /* not implemented */ GL_MAP1_TEXTURE_COORD_2, /* not implemented */ GL_MAP1_TEXTURE_COORD_3, /* not implemented */ GL_MAP1_TEXTURE_COORD_4, /* not implemented */ GL_MAP1_VERTEX_3, /* not implemented */ GL_MAP1_VERTEX_4, /* not implemented */ GL_MAP2_COLOR4, /* not implemented */ GL_MAP2_INDEX, /* not implemented */ GL_MAP2_NORMAL, /* not implemented */ GL_MAP2_TEXTURE_COORD_1, /* not implemented */ GL_MAP2_TEXTURE_COORD_2, /* not implemented */ GL_MAP2_TEXTURE_COORD_3, /* not implemented */ GL_MAP2_TEXTURE_COORD_4, /* not implemented */ GL_MAP2_VERTEX_3, /* not implemented */ GL_MAP2_VERTEX_4, /* not implemented */ GL_POINT_SMOOTH, /* not implemented */ GL_POLYGON_SMOOTH, /* not implemented */ GL_POLYGON_STIPPLE, /* not implemented */ GL_SCISSOR_TEST, /* not implemented */ GL_STENCIL_TEST, /* not implemented */ GL_TEXTURE_1D, /* 1D texture mapping */ GL_TEXTURE_2D, /* 2D texture mapping */ GL_TEXTURE_GEN_Q, /* q-texture-coordinate generation */ GL_TEXTURE_GEN_R, /* r-texture-coordinate generation */ GL_TEXTURE_GEN_S, /* s-texture-coordinate generation */ GL_TEXTURE_GEN_T, /* t-texture-coordinate generation */ GL_ACCUM_ALPHA_BITS, /* not implemented */ GL_ACCUM_BLUE_BITS, /* not implemented */ GL_ACCUM_CLEAR_VALUE, /* not implemented */ GL_ACCUM_GREEN_BITS, /* not implemented */ GL_ACCUM_RED_BITS, /* not implemented */ GL_ALPHA_TEST_FUNC, /* not implemented */ GL_ALPHA_TEST_REF, /* not implemented */ GL_ATTRIB_STACK_DEPTH, /* attribute stack depth */ GL_BLEND_DST, /* not implemented */ GL_BLEND_SRC, /* not implemented */ GL_COLOR_WRITEMASK, /* not implemented */ GL_CURRENT_INDEX, /* not implemented */ GL_CURRENT_RASTER_COLOR, /* not implemented */ GL_CURRENT_RASTER_INDEX, /* not implemented */ GL_CURRENT_RASTER_POSITION, /* not implemented */ GL_CURRENT_RASTER_TEXTURE_COORDS, /* not implemented */ GL_CURRENT_RASTER_POSITION_VALID, /* not implemented */ GL_CURRENT_TEXTURE_COORDS, /* not implemented */ GL_DEPTH_WRITEMASK, /* not implemented */ GL_INDEX_BITS, /* number of color index bits */ GL_INDEX_CLEAR_VALUE, /* not implemented */ GL_INDEX_MODE, /* not implemented */ GL_INDEX_WRITEMASK, /* not implemented */ GL_LINE_SMOOTH_HINT, /* not implemented */ GL_LINE_STIPPLE_PATTERN, /* not implemented */ GL_LINE_STIPPLE_REPEAT, /* not implemented */ GL_LINE_WIDTH, /* not implemented */ GL_LINE_WIDTH_GRANULARITY, /* not implemented */ GL_LINE_WIDTH_RANGE, /* not implemented */ GL_LIST_BASE, /* not implemented */ GL_LIST_INDEX, /* not implemented */ GL_LIST_MODE, /* not implemented */ GL_LOGIC_OP_MODE, /* not implemented */ GL_MAP1_COLOR_4, /* not implemented */ GL_MAP1_GRID_DOMAIN, /* not implemented */ GL_MAP1_GRID_SEGMENTS, /* not implemented */ GL_MAP2_COLOR_4, /* not implemented */ GL_MAP2_GRID_DOMAIN, /* not implemented */ GL_MAP2_GRID_SEGMENTS, /* not implemented */ GL_MAX_ATTRIB_STACK_DEPTH, /* not implemented */ GL_MAX_EVAL_ORDER, /* not implemented */ GL_MAX_LIST_NESTING, /* not implemented */ GL_MAX_PIXEL_MAP_TABLE, /* maximum mapping table size */ GL_MAX_TEXTURE_SIZE, /* maximum texture size */ GL_MAX_TEXTURE_STACK_DEPTH, /* maximum texture stack depth */ GL_PIXEL_MAP_A_TO_A_SIZE, /* alpha to alpha mapping table size */ GL_PIXEL_MAP_B_TO_B_SIZE, /* blue to blue mapping table size */ GL_PIXEL_MAP_G_TO_G_SIZE, /* green to green mapping table size */ GL_PIXEL_MAP_I_TO_A_SIZE, /* index to alpha mapping table size */ GL_PIXEL_MAP_I_TO_B_SIZE, /* index to blue mapping table size */ GL_PIXEL_MAP_I_TO_G_SIZE, /* index to green mapping table size */ GL_PIXEL_MAP_I_TO_I_SIZE, /* index to index mapping table size */ GL_PIXEL_MAP_I_TO_R_SIZE, /* index to red mapping table size */ GL_PIXEL_MAP_R_TO_R_SIZE, /* red to red mapping table size */ GL_PIXEL_MAP_S_TO_S_SIZE, /* stencil to stencil mapping table size */ GL_PIXEL_MAP_A_TO_A, /* alpha to alpha mapping table */ GL_PIXEL_MAP_B_TO_B, /* blue to blue mapping table */ GL_PIXEL_MAP_G_TO_G, /* green to green mapping table */ GL_PIXEL_MAP_I_TO_A, /* index to alpha mapping table */ GL_PIXEL_MAP_I_TO_B, /* index to blue mapping table */ GL_PIXEL_MAP_I_TO_G, /* index to green mapping table */ GL_PIXEL_MAP_I_TO_I, /* index to index mapping table */ GL_PIXEL_MAP_I_TO_R, /* index to red mapping table */ GL_PIXEL_MAP_R_TO_R, /* red to red mapping table */ GL_PIXEL_MAP_S_TO_S, /* stencil to stencil mapping table */ GL_POINT_SIZE, /* not implemented */ GL_POINT_SIZE_GRANULARITY, /* not implemented */ GL_POINT_SIZE_RANGE, /* not implemented */ GL_POINT_SMOOTH_HINT, /* not implemented */ GL_POLYGON_SMOOTH_HINT, /* not implemented */ GL_READ_BUFFER, /* not implemented */ GL_RGBA_MODE, /* RGBA mode */ GL_SCISSOR_BOX, /* not implemented */ GL_STENCIL_BITS, /* not implemented */ GL_STENCIL_CLEAR_VALUE, /* not implemented */ GL_STENCIL_FAIL, /* not implemented */ GL_STENCIL_FUNC, /* not implemented */ GL_STENCIL_PASS_DEPTH_FAIL, /* not implemented */ GL_STENCIL_PASS_DEPTH_PASS, /* not implemented */ GL_STENCIL_REF, /* not implemented */ GL_STENCIL_VALUE_MASK, /* not implemented */ GL_STENCIL_WRITEMASK, /* not implemented */ GL_SUBPIXEL_BITS, /* not implemented */ GL_TEXTURE_ENV, /* texture environment */ GL_TEXTURE_ENV_COLOR, /* texture environment color */ GL_TEXTURE_ENV_MODE, /* texture environment mode */ GL_TEXTURE_MATRIX, /* texture matrix */ GL_TEXTURE_STACK_DEPTH, /* texture matrix stack depth */ GL_ZOOM_X, /* pixel zoom x-value for images */ GL_ZOOM_Y, /* pixel zoom y-value for images */ GL_COLOR_INDEXES, /* not implemented */ GL_TEXTURE, /* not implemented */ GL_UNSIGNED_BYTE, /* unsigned byte type */ GL_BYTE, /* byte type */ GL_BITMAP, /* single bits in unsigned byte type */ GL_UNSIGNED_SHORT, /* unsigned short type */ GL_SHORT, /* short type */ GL_UNSIGNED_INT, /* unsigned int type */ GL_INT, /* int type */ GL_FLOAT, /* float type */ GL_COLOR_INDEX, /* color index image */ GL_STENCIL_INDEX, /* stencil index image */ GL_DEPTH_COMPONENT, /* depth component image */ GL_RED, /* red image */ GL_GREEN, /* green image */ GL_BLUE, /* blue image */ GL_ALPHA, /* alpha image */ GL_RGB, /* rgb image */ GL_RGBA, /* rgba image */ GL_LUMINANCE, /* luminance image */ GL_LUMINANCE_ALPHA, /* luminance alpha image */ GL_LINEAR, /* fog mode linear */ GL_EXP, /* fog mode exp */ GL_EXP2, /* fog mode exp2 */ GL_EYE_LINEAR, /* eye linear texture generation mode */ GL_OBJECT_LINEAR, /* object linear texture generation mode */ GL_SPHERE_MAP, /* sphere map texture generation mode */ GL_TEXTURE_GEN_MODE, /* texture generation mode */ GL_OBJECT_PLANE, /* object plane equation for texture generation */ GL_EYE_PLANE, /* eye plane equation for texture generation */ GL_TEXTURE_WRAP_S, /* texture wrapping mode for s-coordinate */ GL_TEXTURE_WRAP_T, /* texture wrapping mode for t-coordinate */ GL_TEXTURE_MIN_FILTER, /* texture minification filter type */ GL_TEXTURE_MAG_FILTER, /* texture magnification filter type */ GL_TEXTURE_BORDER_COLOR, /* texture border color */ GL_CLAMP, /* texture wrapping mode clamp */ GL_REPEAT, /* texture wrapping mode repeat */ GL_NEAREST, /* texture filter type nearest texel */ GL_NEAREST_MIPMAP_NEAREST, /* texture filter type nearest mipmap nearest texel */ GL_NEAREST_MIPMAP_LINEAR, /* texture filter type nearest mipmap linear texel */ GL_LINEAR_MIPMAP_NEAREST, /* texture filter type linear mipmap nearest texel */ GL_LINEAR_MIPMAP_LINEAR, /* texture filter type linear mipmap linear texel */ GL_TEXTURE_WIDTH, /* texture image width */ GL_TEXTURE_HEIGHT, /* texture image height */ GL_TEXTURE_COMPONENTS, /* texture image component number */ GL_TEXTURE_BORDER /* texture image border */ } GLenum; typedef struct { GLdouble eyex; GLdouble eyey; GLdouble eyez; GLdouble centerx; GLdouble centery; GLdouble centerz; GLdouble upx; GLdouble upy; GLdouble upz; } GLlookAt; typedef struct { GLdouble objx; GLdouble objy; GLdouble objz; GLdouble *winx; /* x coordinate of resulting point */ GLdouble *winy; /* y coordinate of resulting point */ GLdouble *winz; /* z coordinate of resulting point */ } GLproject; typedef struct { GLdouble winx; GLdouble winy; GLdouble winz; GLdouble *objx; /* x coordinate of resulting point */ GLdouble *objy; /* y coordinate of resulting point */ GLdouble *objz; /* z coordinate of resulting point */ } GLunProject; typedef struct { GLdouble left; GLdouble right; GLdouble bottom; GLdouble top; GLdouble zNear; GLdouble zFar; } GLfrustum; typedef struct { GLdouble left; GLdouble right; GLdouble bottom; GLdouble top; GLdouble zNear; GLdouble zFar; } GLortho; typedef struct { GLsizei width; GLsizei height; GLfloat xorig; GLfloat yorig; GLfloat xmove; GLfloat ymove; GLubyte *bitmap; } GLbitmap; #endif