diff options
Diffstat (limited to 'progs/slang/cltest.c')
| -rw-r--r-- | progs/slang/cltest.c | 253 |
1 files changed, 0 insertions, 253 deletions
diff --git a/progs/slang/cltest.c b/progs/slang/cltest.c deleted file mode 100644 index dfff6cb226a..00000000000 --- a/progs/slang/cltest.c +++ /dev/null @@ -1,253 +0,0 @@ -/* - * GL_ARB_shading_language_100 test application. - * - * Tests correctness of emited code. Runs multiple well-formed shaders and checks if - * they produce valid results. - * - * Requires specific support on the GL implementation side. A special function printMESA() - * must be supported in the language that prints current values of generic type - * to the appropriate shader's info log, and optionally to the screen. - * - * Author: Michal Krol - */ - -#include "framework.h" - -#define EPSILON 0.0001f - -static GLhandleARB vert = 0; -static GLhandleARB prog = 0; - -static int get_line (FILE *f, char *line, int size) -{ - if (fgets (line, size, f) == NULL) - return 0; - if (line[strlen (line) - 1] == '\n') - line[strlen (line) - 1] = '\0'; - return 1; -} - -struct ATTRIB -{ - char name[32]; - GLfloat value[64][4]; - GLuint count; -}; - -struct ATTRIBS -{ - struct ATTRIB attrib[32]; - GLuint count; -}; - -struct SHADER -{ - char code[16000]; - GLfloat output[1000]; - GLuint count; -}; - -enum SHADER_LOAD_STATE -{ - SLS_NONE, - SLS_CODE, - SLS_OUTPUT -}; - -struct PROGRAM -{ - struct PROGRAM *next; - char name[256]; - struct ATTRIBS attribs; - struct SHADER vertex; -}; - -enum PROGRAM_LOAD_STATE -{ - PLS_NONE, - PLS_ATTRIB, - PLS_VERTEX -}; - -static struct PROGRAM *program = NULL; - -static void load_test_file (const char *filename, struct PROGRAM **program) -{ - struct PROGRAM **currprog = program; - FILE *f; - char line[256]; - enum PROGRAM_LOAD_STATE pls = PLS_NONE; - enum SHADER_LOAD_STATE sls = SLS_NONE; - - f = fopen (filename, "r"); - if (f == NULL) - return; - - while (get_line (f, line, sizeof (line))) { - if (line[0] == '$') { - if (strncmp (line + 1, "program", 7) == 0) { - if (*currprog != NULL) - currprog = &(**currprog).next; - *currprog = (struct PROGRAM *) (malloc (sizeof (struct PROGRAM))); - if (*currprog == NULL) - break; - (**currprog).next = NULL; - strcpy ((**currprog).name, line + 9); - (**currprog).attribs.count = 0; - (**currprog).vertex.code[0] = '\0'; - (**currprog).vertex.count = 0; - pls = PLS_NONE; - } - else if (strncmp (line + 1, "attrib", 6) == 0) { - if (*currprog == NULL) - break; - strcpy ((**currprog).attribs.attrib[(**currprog).attribs.count].name, line + 8); - (**currprog).attribs.attrib[(**currprog).attribs.count].count = 0; - (**currprog).attribs.count++; - pls = PLS_ATTRIB; - } - else if (strcmp (line + 1, "vertex") == 0) { - if (*currprog == NULL) - break; - pls = PLS_VERTEX; - sls = SLS_NONE; - } - else if (strcmp (line + 1, "code") == 0) { - if (*currprog == NULL || pls != PLS_VERTEX) - break; - sls = SLS_CODE; - } - else if (strcmp (line + 1, "output") == 0) { - if (*currprog == NULL || pls != PLS_VERTEX) - break; - sls = SLS_OUTPUT; - } - } - else { - if ((*currprog == NULL || pls == PLS_NONE || sls == SLS_NONE) && line[0] != '\0') - break; - if (*currprog != NULL && pls == PLS_VERTEX) { - if (sls == SLS_CODE) { - strcat ((**currprog).vertex.code, line); - strcat ((**currprog).vertex.code, "\n"); - } - else if (sls == SLS_OUTPUT && line[0] != '\0') { - if (strcmp (line, "true") == 0) - (**currprog).vertex.output[(**currprog).vertex.count] = 1.0f; - else if (strcmp (line, "false") == 0) - (**currprog).vertex.output[(**currprog).vertex.count] = 0.0f; - else - sscanf (line, "%f", &(**currprog).vertex.output[(**currprog).vertex.count]); - (**currprog).vertex.count++; - } - } - else if (*currprog != NULL && pls == PLS_ATTRIB && line[0] != '\0') { - struct ATTRIB *att = &(**currprog).attribs.attrib[(**currprog).attribs.count - 1]; - GLfloat *vec = att->value[att->count]; - sscanf (line, "%f %f %f %f", &vec[0], &vec[1], &vec[2], &vec[3]); - att->count++; - } - } - } - - fclose (f); -} - -void InitScene (void) -{ - prog = glCreateProgramObjectARB (); - vert = glCreateShaderObjectARB (GL_VERTEX_SHADER_ARB); - glAttachObjectARB (prog, vert); - glDeleteObjectARB (vert); - load_test_file ("cltest.txt", &program); -} - -void RenderScene (void) -{ - struct PROGRAM *nextprogram; - char *code; - GLint info_length, length; - char output[65000], *p; - GLuint i; - - if (program == NULL) - exit (0); - - code = program->vertex.code; - glShaderSourceARB (vert, 1, (const GLcharARB **) (&code), NULL); - glCompileShaderARB (vert); - CheckObjectStatus (vert); - - for (i = 0; i < program->attribs.count; i++) { - const char *name = program->attribs.attrib[i].name; - if (strcmp (name, "gl_Vertex") != 0) - glBindAttribLocationARB (prog, i, name); - } - - glLinkProgramARB (prog); - CheckObjectStatus (prog); - glUseProgramObjectARB (prog); - - printf ("\n--- %s\n", program->name); - - glGetObjectParameterivARB (vert, GL_OBJECT_INFO_LOG_LENGTH_ARB, &info_length); - - glBegin (GL_POINTS); - if (program->attribs.count == 0) { - glVertex2f (0.0f, 0.0f); - } - else { - for (i = 0; i < program->attribs.attrib[0].count; i++) { - GLuint j; - for (j = 0; j < program->attribs.count; j++) { - GLuint n = (j + 1) % program->attribs.count; - GLfloat *vec = program->attribs.attrib[n].value[i]; - const char *name = program->attribs.attrib[n].name; - if (strcmp (name, "gl_Vertex") == 0) - glVertex4fv (vec); - else - glVertexAttrib4fvARB (n, vec); - } - } - } - glEnd (); - glFlush (); - - glGetInfoLogARB (vert, sizeof (output), &length, output); - p = output + info_length - 1; - for (i = 0; i < program->vertex.count; i++) { - GLfloat value; - if (p == NULL) { - printf ("*** %s\n", "I/O error"); - break; - } - if (strncmp (p, "true", 4) == 0) - value = 1.0f; - else if (strncmp (p, "false", 5) == 0) - value = 0.0f; - else if (sscanf (p, "%f", &value) != 1) { - printf ("*** %s\n", "I/O error"); - break; - } - if (fabs (value - program->vertex.output[i]) > EPSILON) { - printf ("*** Values are different, is %f, should be %f\n", value, - program->vertex.output[i]); - } - p = strchr (p, '\n'); - if (p != NULL) - p++; - } - if (p && *p != '\0') - printf ("*** %s\n", "I/O error"); - - nextprogram = program->next; - free (program); - program = nextprogram; -} - -int main (int argc, char *argv[]) -{ - InitFramework (&argc, argv); - return 0; -} - |