diff options
Diffstat (limited to 'progs/util/glstate.c')
| -rw-r--r-- | progs/util/glstate.c | 504 |
1 files changed, 504 insertions, 0 deletions
diff --git a/progs/util/glstate.c b/progs/util/glstate.c new file mode 100644 index 000000000..4c5db13ec --- /dev/null +++ b/progs/util/glstate.c @@ -0,0 +1,504 @@ +/* $Id: glstate.c,v 1.1 1999/08/19 00:55:42 jtg Exp $ */ + +/* + * Print GL state information (for debugging) + * Copyright (C) 1998 Brian Paul + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the Free + * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + + +/* + * $Log: glstate.c,v $ + * Revision 1.1 1999/08/19 00:55:42 jtg + * Initial revision + * + * Revision 1.4 1999/06/19 01:36:43 brianp + * more features added + * + * Revision 1.3 1999/02/24 05:16:20 brianp + * added still more records to EnumTable + * + * Revision 1.2 1998/11/24 03:47:54 brianp + * added more records to EnumTable + * + * Revision 1.1 1998/11/24 03:41:16 brianp + * Initial revision + * + */ + + + +#include <assert.h> +#include <GL/gl.h> +#include <stdio.h> +#include <stdlib.h> +#include "glstate.h" + + +#define FLOAT 1 +#define INT 2 +#define DOUBLE 3 +#define BOOLEAN 4 +#define ENUM 5 +#define VOID 6 +#define LAST_TOKEN ~0 + + +struct EnumRecord { + GLenum enumerator; /* GLenum constant */ + const char *string; /* string name */ + int getType; /* INT, FLOAT, DOUBLE, BOOLEAN, ENUM, or VOID */ + int getCount; /* number of values returned by the glGet*v() call */ +}; + + +/* XXX Lots more records to add here! Help, anyone? */ + +static struct EnumRecord EnumTable[] = { + { GL_ACCUM_RED_BITS, "GL_ACCUM_RED_BITS", INT, 1 }, + { GL_ACCUM_GREEN_BITS, "GL_ACCUM_GREEN_BITS", INT, 1 }, + { GL_ACCUM_BLUE_BITS, "GL_ACCUM_BLUE_BITS", INT, 1 }, + { GL_ACCUM_ALPHA_BITS, "GL_ACCUM_ALPHA_BITS", INT, 1 }, + { GL_ACCUM_CLEAR_VALUE, "GL_ACCUM_CLEAR_VALUE", FLOAT, 4 }, + { GL_ALPHA_BIAS, "GL_ALPHA_BIAS", FLOAT, 1 }, + { GL_ALPHA_BITS, "GL_ALPHA_BITS", INT, 1 }, + { GL_ALPHA_SCALE, "GL_ALPHA_SCALE", FLOAT, 1 }, + { GL_ALPHA_TEST, "GL_ALPHA_TEST", BOOLEAN, 1 }, + { GL_ALPHA_TEST_FUNC, "GL_ALPHA_TEST_FUNC", ENUM, 1 }, + { GL_ALWAYS, "GL_ALWAYS", ENUM, 0 }, + { GL_ALPHA_TEST_REF, "GL_ALPHA_TEST_REF", FLOAT, 1 }, + { GL_ATTRIB_STACK_DEPTH, "GL_ATTRIB_STACK_DEPTH", INT, 1 }, + { GL_AUTO_NORMAL, "GL_AUTO_NORMAL", BOOLEAN, 1 }, + { GL_AUX_BUFFERS, "GL_AUX_BUFFERS", INT, 1 }, + { GL_BLEND, "GL_BLEND", BOOLEAN, 1 }, + { GL_BLEND_DST, "GL_BLEND_DST", ENUM, 1 }, + { GL_BLEND_SRC, "GL_BLEND_SRC", ENUM, 1 }, + { GL_BLUE_BIAS, "GL_BLUE_BIAS", FLOAT, 1 }, + { GL_BLUE_BITS, "GL_BLUE_BITS", INT, 1 }, + { GL_BLUE_SCALE, "GL_BLUE_SCALE", FLOAT, 1 }, + + { GL_CLAMP_TO_EDGE, "GL_CLAMP_TO_EDGE", ENUM, 0 }, + { GL_CLEAR, "GL_CLEAR", ENUM, 0 }, + { GL_CLIENT_ATTRIB_STACK_DEPTH, "GL_CLIENT_ATTRIB_STACK_DEPTH", INT, 1 }, + { GL_CLIP_PLANE0, "GL_CLIP_PLANE0", BOOLEAN, 1 }, + { GL_CLIP_PLANE1, "GL_CLIP_PLANE1", BOOLEAN, 1 }, + { GL_CLIP_PLANE2, "GL_CLIP_PLANE2", BOOLEAN, 1 }, + { GL_CLIP_PLANE3, "GL_CLIP_PLANE3", BOOLEAN, 1 }, + { GL_CLIP_PLANE4, "GL_CLIP_PLANE4", BOOLEAN, 1 }, + { GL_CLIP_PLANE5, "GL_CLIP_PLANE5", BOOLEAN, 1 }, + { GL_COEFF, "GL_COEEF", ENUM, 0 }, + { GL_COLOR, "GL_COLOR", ENUM, 0 }, + { GL_COLOR_BUFFER_BIT, "GL_COLOR_BUFFER_BIT", ENUM, 0 }, + { GL_COLOR_CLEAR_VALUE, "GL_COLOR_CLEAR_VALUE", FLOAT, 4 }, + { GL_COLOR_INDEX, "GL_COLOR_INDEX", ENUM, 0 }, + { GL_COLOR_MATERIAL, "GL_COLOR_MATERIAL", BOOLEAN, 1 }, + { GL_COLOR_MATERIAL_FACE, "GL_COLOR_MATERIAL_FACE", ENUM, 1 }, + { GL_COLOR_MATERIAL_PARAMETER, "GL_COLOR_MATERIAL_PARAMETER", ENUM, 1 }, + { GL_COLOR_WRITEMASK, "GL_COLOR_WRITEMASK", BOOLEAN, 4 }, + { GL_COMPILE, "GL_COMPILE", ENUM, 0 }, + { GL_COMPILE_AND_EXECUTE, "GL_COMPILE_AND_EXECUTE", ENUM, 0 }, + { GL_COPY, "GL_COPY", ENUM, 0 }, + { GL_COPY_INVERTED, "GL_COPY_INVERTED", ENUM, 0 }, + { GL_COPY_PIXEL_TOKEN, "GL_COPY_PIXEL_TOKEN", ENUM, 0 }, + { GL_CULL_FACE, "GL_CULL_FACE", BOOLEAN, 1 }, + { GL_CULL_FACE_MODE, "GL_CULL_FACE_MODE", ENUM, 1 }, + { GL_CURRENT_BIT, "GL_CURRENT_BIT", ENUM, 0 }, + { GL_CURRENT_COLOR, "GL_CURRENT_COLOR", FLOAT, 4 }, + { GL_CURRENT_INDEX, "GL_CURRENT_INDEX", INT, 1 }, + { GL_CURRENT_NORMAL, "GL_CURRENT_NORMAL", FLOAT, 3 }, + { GL_CURRENT_RASTER_COLOR, "GL_CURRENT_RASTER_COLOR", FLOAT, 4 }, + { GL_CURRENT_RASTER_DISTANCE, "GL_CURRENT_RASTER_DISTANCE", FLOAT, 1 }, + { GL_CURRENT_RASTER_INDEX, "GL_CURRENT_RASTER_INDEX", INT, 1 }, + { GL_CURRENT_RASTER_POSITION, "GL_CURRENT_RASTER_POSITION", FLOAT, 4 }, + { GL_CURRENT_RASTER_TEXTURE_COORDS, "GL_CURRENT_RASTER_TEXTURE_COORDS", FLOAT, 4 }, + { GL_CURRENT_RASTER_POSITION_VALID, "GL_CURRENT_RASTER_POSITION_VALID", BOOLEAN, 1 }, + { GL_CURRENT_TEXTURE_COORDS, "GL_CURRENT_TEXTURE_COORDS", FLOAT, 4 }, + { GL_CW, "GL_CW", ENUM, 0 }, + { GL_CCW, "GL_CCW", ENUM, 0 }, + + { GL_DECAL, "GL_DECAL", ENUM, 0 }, + { GL_DECR, "GL_DECR", ENUM, 0 }, + { GL_DEPTH, "GL_DEPTH", ENUM, 0 }, + { GL_DEPTH_BIAS, "GL_DEPTH_BIAS", FLOAT, 1 }, + { GL_DEPTH_BITS, "GL_DEPTH_BITS", INT, 1 }, + { GL_DEPTH_BUFFER_BIT, "GL_DEPTH_BUFFER_BIT", ENUM, 0 }, + { GL_DEPTH_CLEAR_VALUE, "GL_DEPTH_CLEAR_VALUE", FLOAT, 1 }, + { GL_DEPTH_COMPONENT, "GL_DEPTH_COMPONENT", ENUM, 0 }, + { GL_DEPTH_FUNC, "GL_DEPTH_FUNC", ENUM, 1 }, + { GL_DEPTH_RANGE, "GL_DEPTH_RANGE", FLOAT, 2 }, + { GL_DEPTH_SCALE, "GL_DEPTH_SCALE", FLOAT, 1 }, + { GL_DEPTH_TEST, "GL_DEPTH_TEST", ENUM, 1 }, + { GL_DEPTH_WRITEMASK, "GL_DEPTH_WRITEMASK", BOOLEAN, 1 }, + { GL_DIFFUSE, "GL_DIFFUSE", ENUM, 0 }, /*XXX*/ + { GL_DITHER, "GL_DITHER", BOOLEAN, 1 }, + { GL_DOMAIN, "GL_DOMAIN", ENUM, 0 }, + { GL_DONT_CARE, "GL_DONT_CARE", ENUM, 0 }, + { GL_DOUBLE, "GL_DOUBLE", ENUM, 0 }, + { GL_DOUBLEBUFFER, "GL_DOUBLEBUFFER", BOOLEAN, 1}, + { GL_DRAW_BUFFER, "GL_DRAW_BUFFER", ENUM, 1 }, + { GL_DRAW_PIXEL_TOKEN, "GL_DRAW_PIXEL_TOKEN", ENUM, 0 }, + { GL_DST_ALPHA, "GL_DST_ALPHA", ENUM, 0 }, + { GL_DST_COLOR, "GL_DST_COLOR", ENUM, 0 }, + + { GL_EDGE_FLAG, "GL_EDGE_FLAG", BOOLEAN, 1 }, + /* XXX GL_EDGE_FLAG_ARRAY_* */ + { GL_EMISSION, "GL_EMISSION", ENUM, 0 }, /* XXX */ + { GL_ENABLE_BIT, "GL_ENABLE_BIT", ENUM, 0 }, + { GL_EQUAL, "GL_EQUAL", ENUM, 0 }, + { GL_EQUIV, "GL_EQUIV", ENUM, 0 }, + { GL_EVAL_BIT, "GL_EVAL_BIT", ENUM, 0 }, + { GL_EXP, "GL_EXP", ENUM, 0 }, + { GL_EXP2, "GL_EXP2", ENUM, 0 }, + { GL_EXTENSIONS, "GL_EXTENSIONS", ENUM, 0 }, + { GL_EYE_LINEAR, "GL_EYE_LINEAR", ENUM, 0 }, + { GL_EYE_PLANE, "GL_EYE_PLANE", ENUM, 0 }, + + { GL_FALSE, "GL_FALSE", ENUM, 0 }, + { GL_FASTEST, "GL_FASTEST", ENUM, 0 }, + { GL_FEEDBACK, "GL_FEEDBACK", ENUM, 0 }, + { GL_FEEDBACK_BUFFER_POINTER, "GL_FEEDBACK_BUFFER_POINTER", VOID, 0 }, + { GL_FEEDBACK_BUFFER_SIZE, "GL_FEEDBACK_BUFFER_SIZE", INT, 1 }, + { GL_FEEDBACK_BUFFER_TYPE, "GL_FEEDBACK_BUFFER_TYPE", INT, 1 }, + { GL_FILL, "GL_FILL", ENUM, 0 }, + { GL_FLAT, "GL_FLAT", ENUM, 0 }, + { GL_FLOAT, "GL_FLOAT", ENUM, 0 }, + { GL_FOG, "GL_FOG", BOOLEAN, 1 }, + { GL_FOG_BIT, "GL_FOG_BIT", ENUM, 0 }, + { GL_FOG_COLOR, "GL_FOG_COLOR", FLOAT, 4 }, + { GL_FOG_DENSITY, "GL_FOG_DENSITY", FLOAT, 1 }, + { GL_FOG_END, "GL_FOG_END", FLOAT, 1 }, + { GL_FOG_HINT, "GL_FOG_HINT", ENUM, 1 }, + { GL_FOG_INDEX, "GL_FOG_INDEX", INT, 1 }, + { GL_FOG_MODE, "GL_FOG_MODE", ENUM, 1 }, + { GL_FOG_START, "GL_FOG_START", FLOAT, 1 }, + { GL_FRONT, "GL_FRONT", ENUM, 0 }, + { GL_FRONT_AND_BACK, "GL_FRONT_AND_BACK", ENUM, 0 }, + { GL_FRONT_FACE, "GL_FRONT_FACE", ENUM, 1 }, + { GL_FRONT_LEFT, "GL_FRONT_LEFT", ENUM, 0 }, + { GL_FRONT_RIGHT, "GL_FRONT_RIGHT", ENUM, 0 }, + + { GL_GEQUAL, "GL_GEQUAL", ENUM, 0 }, + { GL_GREATER, "GL_GREATER", ENUM, 0 }, + { GL_GREEN, "GL_GREEN", ENUM, 0 }, + { GL_GREEN_BIAS, "GL_GREEN_BIAS", FLOAT, 1 }, + { GL_GREEN_BITS, "GL_GREEN_BITS", INT, 1 }, + { GL_GREEN_SCALE, "GL_GREEN_SCALE", FLOAT, 1 }, + + + + { GL_LESS, "GL_LESS", ENUM, 0 }, + { GL_LEQUAL, "GL_LEQUAL", ENUM, 0 }, + { GL_LIGHTING, "GL_LIGHTING", BOOLEAN, 1 }, + { GL_LINE_SMOOTH, "GL_LINE_SMOOTH", BOOLEAN, 1 }, + { GL_LINE_STIPPLE, "GL_LINE_STIPPLE", BOOLEAN, 1 }, + { GL_LINE_STIPPLE_PATTERN, "GL_LINE_STIPPLE_PATTERN", INT, 1 }, + { GL_LINE_STIPPLE_REPEAT, "GL_LINE_STIPPLE_REPEAT", INT, 1 }, + { GL_LINE_WIDTH, "GL_LINE_WIDTH", FLOAT, 1 }, + + { GL_MODELVIEW_MATRIX, "GL_MODELVIEW_MATRIX", DOUBLE, 16 }, + + { GL_NEVER, "GL_NEVER", ENUM, 0 }, + { GL_NOTEQUAL, "GL_NOTEQUAL", ENUM, 0 }, + + { GL_PROJECTION_MATRIX, "GL_PROJECTION_MATRIX", FLOAT, 16 }, + + { GL_PACK_SWAP_BYTES, "GL_PACK_SWAP_BYTES", INT, 1 }, + { GL_PACK_LSB_FIRST, "GL_PACK_LSB_FIRST", INT, 1 }, + { GL_PACK_ROW_LENGTH, "GL_PACK_ROW_LENGTH", INT, 1 }, + { GL_PACK_SKIP_PIXELS, "GL_PACK_SKIP_PIXELS", INT, 1 }, + { GL_PACK_SKIP_ROWS, "GL_PACK_SKIP_ROWS", INT, 1 }, + { GL_PACK_ALIGNMENT, "GL_PACK_ALIGNMENT", INT, 1 }, + + { GL_TRUE, "GL_TRUE", ENUM, 0 }, + + { GL_UNPACK_SWAP_BYTES, "GL_UNPACK_SWAP_BYTES", INT, 1 }, + { GL_UNPACK_LSB_FIRST, "GL_UNPACK_LSB_FIRST", INT, 1 }, + { GL_UNPACK_ROW_LENGTH, "GL_UNPACK_ROW_LENGTH", INT, 1 }, + { GL_UNPACK_SKIP_PIXELS, "GL_UNPACK_SKIP_PIXELS", INT, 1 }, + { GL_UNPACK_SKIP_ROWS, "GL_UNPACK_SKIP_ROWS", INT, 1 }, + { GL_UNPACK_ALIGNMENT, "GL_UNPACK_ALIGNMENT", INT, 1 }, + + { GL_VIEWPORT, "GL_VIEWPORT", INT, 4 }, + + + /* + * Extensions + */ + +#if defined(GL_EXT_blend_minmax) + { GL_BLEND_EQUATION_EXT, "GL_BLEND_EQUATION_EXT", ENUM, 1 }, +#endif +#if defined(GL_EXT_blend_color) + { GL_BLEND_COLOR_EXT, "GL_BLEND_COLOR_EXT", FLOAT, 4 }, +#endif +#if defined(GL_EXT_point_parameters) + { GL_DISTANCE_ATTENUATION_EXT, "GL_DISTANCE_ATTENUATION_EXT", FLOAT, 1 }, +#endif +#if defined(GL_INGR_blend_func_separate) + { GL_BLEND_SRC_RGB_INGR, "GL_BLEND_SRC_RGB_INGR", ENUM, 1 }, + { GL_BLEND_DST_RGB_INGR, "GL_BLEND_DST_RGB_INGR", ENUM, 1 }, + { GL_BLEND_SRC_ALPHA_INGR, "GL_BLEND_SRC_ALPHA_INGR", ENUM, 1 }, + { GL_BLEND_DST_ALPHA_INGR, "GL_BLEND_DST_ALPHA_INGR", ENUM, 1 }, +#endif + + + { LAST_TOKEN, "", 0, 0 } +}; + + +static const struct EnumRecord *FindRecord( GLenum var ) +{ + int i; + for (i = 0; EnumTable[i].enumerator != LAST_TOKEN; i++) { + if (EnumTable[i].enumerator == var) { + return &EnumTable[i]; + } + } + return NULL; +} + + + +/* + * Return the string label for the given enum. + */ +const char *GetEnumString( GLenum var ) +{ + const struct EnumRecord *rec = FindRecord(var); + if (rec) + return rec->string; + else + return NULL; +} + + + +/* + * Print current value of the given state variable. + */ +void PrintState( int indent, GLenum var ) +{ + const struct EnumRecord *rec = FindRecord(var); + + while (indent-- > 0) + putchar(' '); + + if (rec) { + if (rec->getCount <= 0) { + assert(rec->getType == ENUM); + printf("%s is not a state variable\n", rec->string); + } + else { + switch (rec->getType) { + case INT: + { + GLint values[100]; + int i; + glGetIntegerv(rec->enumerator, values); + printf("%s = ", rec->string); + for (i = 0; i < rec->getCount; i++) + printf("%d ", values[i]); + printf("\n"); + } + break; + case FLOAT: + { + GLfloat values[100]; + int i; + glGetFloatv(rec->enumerator, values); + printf("%s = ", rec->string); + for (i = 0; i < rec->getCount; i++) + printf("%f ", values[i]); + printf("\n"); + } + break; + case DOUBLE: + { + GLdouble values[100]; + int i; + glGetDoublev(rec->enumerator, values); + printf("%s = ", rec->string); + for (i = 0; i < rec->getCount; i++) + printf("%f ", (float) values[i]); + printf("\n"); + } + break; + case BOOLEAN: + { + GLboolean values[100]; + int i; + glGetBooleanv(rec->enumerator, values); + printf("%s = ", rec->string); + for (i = 0; i < rec->getCount; i++) + printf("%s ", values[i] ? "GL_TRUE" : "GL_FALSE"); + printf("\n"); + } + break; + case ENUM: + { + GLint values[100]; + int i; + glGetIntegerv(rec->enumerator, values); + printf("%s = ", rec->string); + for (i = 0; i < rec->getCount; i++) { + const char *str = GetEnumString((GLenum) values[i]); + if (str) + printf("%s ", str); + else + printf("??? "); + } + printf("\n"); + } + break; + case VOID: + { + GLvoid *values[100]; + int i; + glGetPointerv(rec->enumerator, values); + printf("%s = ", rec->string); + for (i = 0; i < rec->getCount; i++) { + printf("%p ", values[i]); + } + printf("\n"); + } + break; + default: + printf("fatal error in PrintState()\n"); + abort(); + } + } + } + else { + printf("Unknown GLenum passed to PrintState()\n"); + } +} + + + +/* + * Print all glPixelStore-related state. + * NOTE: Should write similar functions for lighting, texturing, etc. + */ +void PrintPixelStoreState( void ) +{ + const GLenum enums[] = { + GL_PACK_SWAP_BYTES, + GL_PACK_LSB_FIRST, + GL_PACK_ROW_LENGTH, + GL_PACK_SKIP_PIXELS, + GL_PACK_SKIP_ROWS, + GL_PACK_ALIGNMENT, + GL_UNPACK_SWAP_BYTES, + GL_UNPACK_LSB_FIRST, + GL_UNPACK_ROW_LENGTH, + GL_UNPACK_SKIP_PIXELS, + GL_UNPACK_SKIP_ROWS, + GL_UNPACK_ALIGNMENT, + 0 + }; + int i; + printf("Pixel pack/unpack state:\n"); + for (i = 0; enums[i]; i++) { + PrintState(3, enums[i]); + } +} + + + + +/* + * Print all state for the given attribute group. + */ +void PrintAttribState( GLbitfield attrib ) +{ + static const GLenum depth_buffer_enums[] = { + GL_DEPTH_FUNC, + GL_DEPTH_CLEAR_VALUE, + GL_DEPTH_TEST, + GL_DEPTH_WRITEMASK, + 0 + }; + static const GLenum fog_enums[] = { + GL_FOG, + GL_FOG_COLOR, + GL_FOG_DENSITY, + GL_FOG_START, + GL_FOG_END, + GL_FOG_INDEX, + GL_FOG_MODE, + 0 + }; + static const GLenum line_enums[] = { + GL_LINE_SMOOTH, + GL_LINE_STIPPLE, + GL_LINE_STIPPLE_PATTERN, + GL_LINE_STIPPLE_REPEAT, + GL_LINE_WIDTH, + 0 + }; + + const GLenum *enumList = NULL; + + switch (attrib) { + case GL_DEPTH_BUFFER_BIT: + enumList = depth_buffer_enums; + printf("GL_DEPTH_BUFFER_BIT state:\n"); + break; + case GL_FOG_BIT: + enumList = fog_enums; + printf("GL_FOG_BIT state:\n"); + break; + case GL_LINE_BIT: + enumList = line_enums; + printf("GL_LINE_BIT state:\n"); + break; + default: + printf("Bad value in PrintAttribState()\n"); + } + + if (enumList) { + int i; + for (i = 0; enumList[i]; i++) + PrintState(3, enumList[i]); + } +} + + +/*#define TEST*/ +#ifdef TEST + +#include <GL/glut.h> + +int main( int argc, char *argv[] ) +{ + glutInit( &argc, argv ); + glutInitWindowPosition(0, 0); + glutInitWindowSize(400, 300); + glutInitDisplayMode(GLUT_RGB); + glutCreateWindow(argv[0]); + PrintAttribState(GL_DEPTH_BUFFER_BIT); + PrintAttribState(GL_FOG_BIT); + PrintAttribState(GL_LINE_BIT); + PrintState(0, GL_ALPHA_BITS); + PrintState(0, GL_VIEWPORT); + PrintState(0, GL_ALPHA_TEST_FUNC); + PrintState(0, GL_MODELVIEW_MATRIX); + PrintState(0, GL_ALWAYS); + PrintPixelStoreState(); + return 0; +} + +#endif |