X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=progs%2Fdemos%2Ffslight.c;h=f0d76a4a06fb50de4ec40ba530cf4c3bf179b229;hb=7e7f0f61bf41bccfdd0f68afc03ccc6b1d3c0c91;hp=2fa25a0adf46a8ae38c8725342e79f16565a06d5;hpb=2cf5fd48d1586f961910a14324a457854cb66221;p=mesa.git

diff --git a/progs/demos/fslight.c b/progs/demos/fslight.c
index 2fa25a0adf4..f0d76a4a06f 100644
--- a/progs/demos/fslight.c
+++ b/progs/demos/fslight.c
@@ -23,6 +23,8 @@
 #include "extfuncs.h"
 
 
+#define TEXTURE 0
+
 static GLint CoordAttrib = 0;
 
 static char *FragProgFile = NULL;
@@ -43,7 +45,7 @@ static GLint uTexture;
 
 static GLuint SphereList, RectList, CurList;
 static GLint win = 0;
-static GLboolean anim = GL_FALSE;
+static GLboolean anim = GL_TRUE;
 static GLboolean wire = GL_FALSE;
 static GLboolean pixelLight = GL_TRUE;
 
@@ -56,7 +58,7 @@ static GLfloat xRot = 90.0f, yRot = 0.0f;
 static void
 normalize(GLfloat *dst, const GLfloat *src)
 {
-   GLfloat len = sqrtf(src[0] * src[0] + src[1] * src[1] + src[2] * src[2]);
+   GLfloat len = sqrt(src[0] * src[0] + src[1] * src[1] + src[2] * src[2]);
    dst[0] = src[0] / len;
    dst[1] = src[1] / len;
    dst[2] = src[2] / len;
@@ -103,6 +105,7 @@ Redisplay(void)
          GLfloat fps = frames / seconds;
          printf("%d frames in %6.3f seconds = %6.3f FPS\n",
                 frames, seconds, fps);
+         fflush(stdout);
          t0 = t;
          frames = 0;
       }
@@ -223,33 +226,6 @@ static void
 TestFunctions(void)
 {
    printf("Error 0x%x at line %d\n", glGetError(), __LINE__);
-   {
-      GLfloat pos[3];
-      printf("Error 0x%x at line %d\n", glGetError(), __LINE__);
-      printf("Light pos %g %g %g\n", pos[0], pos[1], pos[2]);
-   }
-
-
-   {
-      GLfloat m[16], result[16];
-      GLint mPos;
-      int i;
-
-      for (i = 0; i < 16; i++)
-         m[i] = (float) i;
-
-      mPos = glGetUniformLocation_func(program, "m");
-      printf("Error 0x%x at line %d\n", glGetError(), __LINE__);
-      glUniformMatrix4fv_func(mPos, 1, GL_FALSE, m);
-      printf("Error 0x%x at line %d\n", glGetError(), __LINE__);
-
-      glGetUniformfv_func(program, mPos, result);
-      printf("Error 0x%x at line %d\n", glGetError(), __LINE__);
-
-      for (i = 0; i < 16; i++) {
-         printf("%8g %8g\n", m[i], result[i]);
-      }
-   }
 
    assert(glIsProgram_func(program));
    assert(glIsShader_func(fragShader));
@@ -278,14 +254,31 @@ TestFunctions(void)
       glGetProgramInfoLog_func(program, 1000, &len, log);
       printf("Program Info Log: %s\n", log);
    }
+
+   /* active uniforms */
+   {
+      GLint n, max, i;
+      glGetProgramiv_func(program, GL_ACTIVE_UNIFORMS, &n);
+      glGetProgramiv_func(program, GL_ACTIVE_UNIFORM_MAX_LENGTH, &max);
+      printf("Num uniforms: %d  Max name length: %d\n", n, max);
+      for (i = 0; i < n; i++) {
+         GLint size, len;
+         GLenum type;
+         char name[100];
+         glGetActiveUniform_func(program, i, 100, &len, &size, &type, name);
+         printf("  %d: %s nameLen=%d size=%d type=0x%x\n",
+                i, name, len, size, type);
+      }
+   }
 }
 
 
+#if TEXTURE
 static void
 MakeTexture(void)
 {
-#define SZ0 128
-#define SZ1 64
+#define SZ0 64
+#define SZ1 32
    GLubyte image0[SZ0][SZ0][SZ0][4];
    GLubyte image1[SZ1][SZ1][SZ1][4];
    GLuint i, j, k;
@@ -348,6 +341,7 @@ MakeTexture(void)
    glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
    glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
 }
+#endif
 
 
 static void
@@ -473,8 +467,8 @@ Init(void)
 
    version = (const char *) glGetString(GL_VERSION);
    if (version[0] != '2' || version[1] != '.') {
-      printf("Warning: this program expects OpenGL 2.0\n");
-      /*exit(1);*/
+      printf("This program requires OpenGL 2.x, found %s\n", version);
+      exit(1);
    }
 
    GetExtensionFuncs();
@@ -507,8 +501,10 @@ Init(void)
 
    glUniform4fv_func(uDiffuse, 1, diffuse);
    glUniform4fv_func(uSpecular, 1, specular);
-   assert(glGetError() == 0);
+   /*   assert(glGetError() == 0);*/
+#if TEXTURE
    glUniform1i_func(uTexture, 2);  /* use texture unit 2 */
+#endif
    /*assert(glGetError() == 0);*/
 
    if (CoordAttrib) {
@@ -540,7 +536,9 @@ Init(void)
 
    CurList = SphereList;
 
+#if TEXTURE
    MakeTexture();
+#endif
 
    printf("GL_RENDERER = %s\n",(const char *) glGetString(GL_RENDERER));
    printf("Press p to toggle between per-pixel and per-vertex lighting\n");
@@ -573,6 +571,8 @@ Init(void)
 
 #if 0
    TestFunctions();
+#else
+   (void) TestFunctions;
 #endif
 }
 
@@ -583,10 +583,14 @@ ParseOptions(int argc, char *argv[])
    int i;
    for (i = 1; i < argc; i++) {
       if (strcmp(argv[i], "-fs") == 0) {
-         FragProgFile = argv[i+1];
+         FragProgFile = argv[++i];
       }
       else if (strcmp(argv[i], "-vs") == 0) {
-         VertProgFile = argv[i+1];
+         VertProgFile = argv[++i];
+      }
+      else {
+         fprintf(stderr, "unknown option %s\n", argv[i]);
+         break;
       }
    }
 }
@@ -597,7 +601,7 @@ main(int argc, char *argv[])
 {
    glutInit(&argc, argv);
    glutInitWindowPosition( 0, 0);
-   glutInitWindowSize(100, 100);
+   glutInitWindowSize(200, 200);
    glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
    win = glutCreateWindow(argv[0]);
    glutReshapeFunc(Reshape);