diff options
Diffstat (limited to 'progs/tests/debugger.c')
| -rw-r--r-- | progs/tests/debugger.c | 282 |
1 files changed, 277 insertions, 5 deletions
diff --git a/progs/tests/debugger.c b/progs/tests/debugger.c index 5429fe33750..fbebf77fd3e 100644 --- a/progs/tests/debugger.c +++ b/progs/tests/debugger.c @@ -12,7 +12,35 @@ #include <GL/glut.h> +/* + * Print the string with line numbers + */ +static void list_program(const GLubyte *string, GLsizei len) +{ + const char *c = (const char *) string; + int i, line = 1, printNumber = 1; + + for (i = 0; i < len; i++) { + if (printNumber) { + printf("%3d ", line); + printNumber = 0; + } + if (*c == '\n') { + line++; + printNumber = 1; + } + putchar(*c); + c++; + } + putchar('\n'); +} + +/* + * Return the line number and column number that corresponds to the + * given program position. Also return a null-terminated copy of that + * line of the program string. + */ static const GLubyte * find_line_column(const GLubyte *string, const GLubyte *pos, GLint *line, GLint *col) @@ -46,6 +74,241 @@ find_line_column(const GLubyte *string, const GLubyte *pos, } +#define ARB_VERTEX_PROGRAM 1 +#define ARB_FRAGMENT_PROGRAM 2 +#define NV_VERTEX_PROGRAM 3 +#define NV_FRAGMENT_PROGRAM 4 + + +/* + * Interactive debugger + */ +static void Debugger2(GLenum target, GLvoid *data) +{ + static GLboolean continueFlag = GL_FALSE; + const GLubyte *ln; + GLint pos, line, column; + GLint id; + int progType; + GLint len; + GLubyte *program; + + /* Sigh, GL_VERTEX_PROGRAM_ARB == GL_VERTEX_PROGRAM_NV so it's a bit + * hard to distinguish between them. + */ + if (target == GL_FRAGMENT_PROGRAM_ARB) + progType = ARB_FRAGMENT_PROGRAM; + else if (target == GL_FRAGMENT_PROGRAM_NV) + progType = NV_FRAGMENT_PROGRAM; + else + progType = NV_VERTEX_PROGRAM; + + + if (continueFlag) + return; + + /* Get id of the program and current position */ + switch (progType) { + case ARB_FRAGMENT_PROGRAM: + glGetProgramivARB(GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_BINDING_ARB, &id); + glGetIntegerv(GL_FRAGMENT_PROGRAM_POSITION_MESA, &pos); + break; + case NV_FRAGMENT_PROGRAM: + glGetIntegerv(GL_FRAGMENT_PROGRAM_BINDING_NV, &id); + glGetIntegerv(GL_FRAGMENT_PROGRAM_POSITION_MESA, &pos); + break; + case ARB_VERTEX_PROGRAM: + glGetProgramivARB(GL_VERTEX_PROGRAM_ARB, GL_PROGRAM_BINDING_ARB, &id); + glGetIntegerv(GL_VERTEX_PROGRAM_POSITION_MESA, &pos); + break; + case NV_VERTEX_PROGRAM: + glGetIntegerv(GL_VERTEX_PROGRAM_BINDING_NV, &id); + glGetIntegerv(GL_VERTEX_PROGRAM_POSITION_MESA, &pos); + break; + default: + abort(); + } + + /* get program string */ + if (progType == ARB_VERTEX_PROGRAM || + progType == ARB_FRAGMENT_PROGRAM) + glGetProgramivARB(target, GL_PROGRAM_LENGTH_ARB, &len); + else + glGetProgramivNV(id, GL_PROGRAM_LENGTH_NV, &len); + program = malloc(len + 1); + if (progType == ARB_VERTEX_PROGRAM || + progType == ARB_FRAGMENT_PROGRAM) + glGetProgramStringARB(target, GL_PROGRAM_STRING_ARB, program); + else + glGetProgramStringNV(id, GL_PROGRAM_STRING_NV, program); + + + /* Get current line number, column, line string */ + ln = find_line_column(program, program + pos, &line, &column); + + printf("%d: %s\n", line, ln); + + /* get commands from stdin */ + while (1) { + char command[1000], *cmd; + + /* print prompt and get command */ + printf("(%s %d) ", (target == GL_VERTEX_PROGRAM_ARB ? "vert" : "frag"), + line); + fgets(command, 999, stdin); + + /* skip leading whitespace */ + for (cmd = command; cmd[0] == ' '; cmd++) + ; + + if (!cmd[0]) + /* nothing (repeat the previous cmd?) */ + continue; + + switch (cmd[0]) { + case 's': + case 'n': + /* step / next */ + return; + case 'c': + continueFlag = GL_TRUE; + return; + case 'd': + /* dump machine state */ + if (progType == NV_FRAGMENT_PROGRAM) { + static const char *inRegs[] = { + "f[WPOS]", "f[COL0]", "f[COL1]", "f[FOGC]", + "f[TEX0]", "f[TEX1]", "f[TEX2]", "f[TEX3]", + NULL + }; + static const char *outRegs[] = { + "o[COLR]", "o[COLH]", "o[DEPR]", NULL + }; + GLfloat v[4]; + int i; + printf("Fragment input attributes:\n"); + for (i = 0; inRegs[i]; i++) { + glGetProgramRegisterfvMESA(GL_FRAGMENT_PROGRAM_NV, + strlen(inRegs[i]), + (const GLubyte *) inRegs[i], v); + printf(" %s: %g, %g, %g, %g\n", inRegs[i], + v[0], v[1], v[2], v[3]); + } + printf("Fragment output attributes:\n"); + for (i = 0; outRegs[i]; i++) { + glGetProgramRegisterfvMESA(GL_FRAGMENT_PROGRAM_NV, + strlen(outRegs[i]), + (const GLubyte *) outRegs[i], v); + printf(" %s: %g, %g, %g, %g\n", outRegs[i], + v[0], v[1], v[2], v[3]); + } + printf("Temporaries:\n"); + for (i = 0; i < 4; i++) { + char temp[100]; + GLfloat v[4]; + sprintf(temp, "R%d", i); + glGetProgramRegisterfvMESA(GL_FRAGMENT_PROGRAM_NV, + strlen(temp), + (const GLubyte *) temp, v); + printf(" %s: %g, %g, %g, %g\n", temp, v[0],v[1],v[2],v[3]); + } + } + else if (progType == NV_VERTEX_PROGRAM) { + GLfloat v[4]; + int i; + static const char *inRegs[] = { + "v[OPOS]", "v[WGHT]", "v[NRML]", "v[COL0]", + "v[COL1]", "v[FOGC]", "v[6]", "v[7]", + "v[TEX0]", "v[TEX1]", "v[TEX2]", "v[TEX3]", + "v[TEX4]", "v[TEX5]", "v[TEX6]", "v[TEX7]", + NULL + }; + static const char *outRegs[] = { + "o[HPOS]", "o[COL0]", "o[COL1]", "o[BFC0]", + "o[BFC1]", "o[FOGC]", "o[PSIZ]", + "o[TEX0]", "o[TEX1]", "o[TEX2]", "o[TEX3]", + "o[TEX4]", "o[TEX5]", "o[TEX6]", "o[TEX7]", + NULL + }; + printf("Vertex input attributes:\n"); + for (i = 0; inRegs[i]; i++) { + glGetProgramRegisterfvMESA(GL_VERTEX_PROGRAM_NV, + strlen(inRegs[i]), + (const GLubyte *) inRegs[i], v); + printf(" %s: %g, %g, %g, %g\n", inRegs[i], + v[0], v[1], v[2], v[3]); + } + printf("Vertex output attributes:\n"); + for (i = 0; outRegs[i]; i++) { + glGetProgramRegisterfvMESA(GL_VERTEX_PROGRAM_NV, + strlen(outRegs[i]), + (const GLubyte *) outRegs[i], v); + printf(" %s: %g, %g, %g, %g\n", outRegs[i], + v[0], v[1], v[2], v[3]); + } + printf("Temporaries:\n"); + for (i = 0; i < 4; i++) { + char temp[100]; + GLfloat v[4]; + sprintf(temp, "R%d", i); + glGetProgramRegisterfvMESA(GL_VERTEX_PROGRAM_NV, + strlen(temp), + (const GLubyte *) temp, v); + printf(" %s: %g, %g, %g, %g\n", temp, v[0],v[1],v[2],v[3]); + } + } + break; + case 'l': + /* list */ + list_program(program, len); + break; + case 'p': + /* print */ + { + GLfloat v[4]; + char *c; + cmd++; + while (*cmd == ' ') + cmd++; + c = cmd; + while (*c) { + if (*c == '\n' || *c == '\r') + *c = 0; + else + c++; + } + glGetProgramRegisterfvMESA(target, strlen(cmd), + (const GLubyte *) cmd, v); + if (glGetError() == GL_NO_ERROR) + printf("%s = %g, %g, %g, %g\n", cmd, v[0], v[1], v[2], v[3]); + else + printf("Invalid expression\n"); + } + break; + case 'b': + /* break */ + /* break at line number */ + /* break at screen pixel (x,y) */ + /* break if condition is true */ + printf("Breakpoints not implemented yet.\n"); + break; + case 'h': + /* help */ + printf("Debugger commands:\n"); + printf(" s step n next c continue\n"); + printf(" d dump regs h help l list\n"); + printf(" b break p print\n"); + break; + default: + printf("Unknown command: %c\n", cmd[0]); + } + } +} + + +/* + * Print current line, some registers, and continue. + */ static void Debugger(GLenum target, GLvoid *data) { GLint pos; @@ -226,7 +489,7 @@ static void SpecialKey( int key, int x, int y ) } -static void Init( void ) +static void Init( int argc, char *argv[] ) { static const char *fragProgramText = "!!FP1.0\n" @@ -324,9 +587,18 @@ static void Init( void ) printf("Press p to toggle between per-pixel and per-vertex lighting\n"); #ifdef GL_MESA_program_debug - glProgramCallbackMESA(GL_FRAGMENT_PROGRAM_ARB, Debugger, - (GLvoid *) fragProgramText); - glEnable(GL_FRAGMENT_PROGRAM_CALLBACK_MESA); + if (argc > 1 && strcmp(argv[1], "fragment") == 0) { + printf(">> Debugging fragment program\n"); + glProgramCallbackMESA(GL_FRAGMENT_PROGRAM_ARB, Debugger2, + (GLvoid *) fragProgramText); + glEnable(GL_FRAGMENT_PROGRAM_CALLBACK_MESA); + } + else { + printf(">> Debugging vertex program\n"); + glProgramCallbackMESA(GL_VERTEX_PROGRAM_ARB, Debugger2, + (GLvoid *) fragProgramText); + glEnable(GL_VERTEX_PROGRAM_CALLBACK_MESA); + } #endif } @@ -344,7 +616,7 @@ int main( int argc, char *argv[] ) glutDisplayFunc( Display ); if (Anim) glutIdleFunc(Idle); - Init(); + Init(argc, argv); glutMainLoop(); return 0; } |