GLSL regression test suite.

1 files changed, 439 insertions, 0 deletions

diff --git a/progs/slang/sotest.c b/progs/slang/sotest.c
new file mode 100644
index 0000000000..4bd3bc23c9
--- /dev/null
+++ b/progs/slang/sotest.c
@@ -0,0 +1,439 @@
+/*
+ * GL_ARB_shader_objects & GL_ARB_vertex_shader interface test application.
+ * Neither compiler nor executor is being tested here, although some simple shader
+ * compilation tests are performed.
+ *
+ * Perfectly valid behaviour produces output that does not have a line
+ * beginning with three stars (***).
+ *
+ * Author: Michal Krol
+ */
+
+#include "framework.h"
+
+enum TEST_TYPE
+{
+   TT_GETERROR_NOERROR,
+   TT_GETERROR_INVALIDVALUE,
+   TT_GETERROR_INVALIDOPERATION,
+   TT_PARAM1_ZERO,
+   TT_PARAM1_NONZERO
+};
+
+static enum TEST_TYPE current_test;
+
+static void begintest (enum TEST_TYPE type, const char *name)
+{
+   current_test = type;
+   printf ("\n    BEGIN TEST: %s\n", name);
+   while (glGetError () != GL_NO_ERROR)
+      ;
+}
+
+static void endtest1 (GLuint param1)
+{
+   const char *msg = NULL;
+
+   switch (current_test)
+   {
+   case TT_GETERROR_NOERROR:
+      if (glGetError () != GL_NO_ERROR)
+         msg = "glGetError () does not return GL_NO_ERROR";
+      break;
+   case TT_GETERROR_INVALIDVALUE:
+      if (glGetError () != GL_INVALID_VALUE)
+         msg = "glGetError () does not return GL_INVALID_VALUE";
+      break;
+    case TT_GETERROR_INVALIDOPERATION:
+      if (glGetError () != GL_INVALID_OPERATION)
+         msg = "glGetError () does not return GL_INVALID_OPERATION";
+      break;
+   case TT_PARAM1_ZERO:
+      if (param1)
+         msg = "The parameter is not zero";
+      break;
+   case TT_PARAM1_NONZERO:
+      if (!param1)
+         msg = "The parameter is not non-zero";
+      break;
+   default:
+      assert (0);
+   }
+
+   if (msg == NULL)
+      printf ("    OK\n");
+   else
+      printf ("*** %s\n", msg);
+
+   while (glGetError () != GL_NO_ERROR)
+      ;
+}
+
+static void endtest ()
+{
+   endtest1 (0);
+}
+
+static GLhandleARB vert = 0;
+static GLhandleARB frag = 0;
+static GLhandleARB prog = 0;
+
+static GLhandleARB find_invalid_handle ()
+{
+   GLhandleARB handle;
+
+   for (handle = 1; handle < 16; handle++)
+      if (handle != vert && handle != frag && handle != prog)
+         return handle;
+   assert (0);
+   return 0;
+}
+
+static const char *invsynvertsrc =
+   "void main () {\n"
+   "   gl_Position = gl_ModelViewMatrix ! gl_Vertex;\n"   /* unexpected token */
+   "}\n"
+;
+
+static const char *invsemvertsrc =
+   "void main () {\n"
+   "   gl_Position = gl_ModelviewMatrix * gl_Vertex;\n"  /* undeclared identifier */
+   "}\n"
+;
+
+static const char *uniforms =
+   "uniform vec4 CommonUniform;\n"
+;
+
+static const char *validvertsrc =
+   "uniform vec4 VertexUniform;\n"
+   "attribute vec4 FirstAttrib;\n"
+   "attribute vec4 SecondAttrib;\n"
+   "void main () {\n"
+   "   gl_Position = gl_ModelViewMatrix * gl_Vertex + CommonUniform + VertexUniform\n"
+   "      + FirstAttrib + SecondAttrib;\n"
+   "}\n"
+;
+
+static const char *invsynfragsrc =
+   "void main () {\n"
+   "   gl_FragColor = gl_Color\n"   /* missing ; */
+   "}\n"
+;
+
+static const char *invsemfragsrc =
+   "void main () {\n"
+   "   gl_FragColor = gl_FrontColor;\n"   /* gl_FrontColor only in vertex shader */
+   "}\n"
+;
+
+static const char *validfragsrc =
+   "uniform vec4 FragmentUniform;\n"
+   "void main () {\n"
+   "   gl_FragColor = gl_Color + CommonUniform + FragmentUniform;\n"
+   "}\n"
+;
+
+void InitScene (void)
+{
+   GLint params[1];
+   const char *tab[2];
+
+   /*
+    * GL should silently ignore calls that delete object 0.
+    */
+   begintest (TT_GETERROR_NOERROR, "glDeleteObject(0)");
+   glDeleteObjectARB (0);
+   endtest ();
+
+   /*
+    * GL generates an error on invalid object handle.
+    */
+   begintest (TT_GETERROR_INVALIDVALUE, "Pass invalid non-zero object handle");
+   glDeleteObjectARB (find_invalid_handle ());
+   endtest ();
+   glUseProgramObjectARB (find_invalid_handle ());
+   endtest ();
+
+   /*
+    * Create object. GL should return unique non-zero values.
+    */
+   begintest (TT_PARAM1_NONZERO, "Create object");
+   vert = glCreateShaderObjectARB (GL_VERTEX_SHADER_ARB);
+   endtest1 (vert);
+   frag = glCreateShaderObjectARB (GL_FRAGMENT_SHADER_ARB);
+   endtest1 (frag);
+   prog = glCreateProgramObjectARB ();
+   endtest1 (prog);
+   endtest1 (vert != frag && frag != prog && prog != vert);
+
+   /*
+    * Link empty program.
+    */
+   begintest (TT_PARAM1_NONZERO, "Link empty program");
+   glLinkProgramARB (prog);
+   endtest1 (CheckObjectStatus (prog));
+
+   /*
+    * Use empty program object. Empty program objects are valid.
+    */
+   begintest (TT_GETERROR_NOERROR, "Use empty program object");
+   glUseProgramObjectARB (prog);
+   endtest ();
+
+   /*
+    * Attach invalid object handles. Program object 0 should not be accepted.
+    */
+   begintest (TT_GETERROR_INVALIDVALUE, "Attach invalid object handle");
+   glAttachObjectARB (0, find_invalid_handle ());
+   endtest ();
+   glAttachObjectARB (0, frag);
+   endtest ();
+   glAttachObjectARB (find_invalid_handle (), find_invalid_handle ());
+   endtest ();
+   glAttachObjectARB (find_invalid_handle (), frag);
+   endtest ();
+   glAttachObjectARB (prog, find_invalid_handle ());
+   endtest ();
+
+   /*
+    * Attach valid object handles with wrong semantics.
+    */
+   begintest (TT_GETERROR_INVALIDOPERATION, "Attach object badly");
+   glAttachObjectARB (vert, frag);
+   endtest ();
+   glAttachObjectARB (vert, prog);
+   endtest ();
+   glAttachObjectARB (prog, prog);
+   endtest ();
+
+   /*
+    * Detach non-attached object.
+    */
+   begintest (TT_GETERROR_INVALIDOPERATION, "Detach non-attached object");
+   glDetachObjectARB (prog, vert);
+   endtest ();
+   glDetachObjectARB (prog, frag);
+   endtest ();
+
+   /*
+    * Attach shader.
+    */
+   begintest (TT_GETERROR_NOERROR, "Attach shader to program object");
+   glAttachObjectARB (prog, vert);
+   endtest ();
+   glAttachObjectARB (prog, frag);
+   endtest ();
+
+   /*
+    * Attach object twice.
+    */
+   begintest (TT_GETERROR_INVALIDOPERATION, "Attach object twice");
+   glAttachObjectARB (prog, vert);
+   endtest ();
+   glAttachObjectARB (prog, frag);
+   endtest ();
+
+   /*
+    * Detach attached object.
+    */
+   begintest (TT_GETERROR_NOERROR, "Detach attached object");
+   glDetachObjectARB (prog, vert);
+   endtest ();
+   glDetachObjectARB (prog, frag);
+   endtest ();
+
+   /*
+    * Attach shader again.
+    */
+   begintest (TT_GETERROR_NOERROR, "Attach shader again");
+   glAttachObjectARB (prog, vert);
+   endtest ();
+   glAttachObjectARB (prog, frag);
+   endtest ();
+
+   /*
+    * Delete attached object.
+    */
+   begintest (TT_GETERROR_NOERROR, "Delete attached object");
+   glDeleteObjectARB (vert);
+   endtest ();
+   glDeleteObjectARB (frag);
+   endtest ();
+
+   /*
+    * Query delete status. It should return TRUE. Object handles are still valid
+    * as they are referenced by program object container.
+    */
+   begintest (TT_PARAM1_NONZERO, "Query delete status");
+   glGetObjectParameterivARB (vert, GL_OBJECT_DELETE_STATUS_ARB, params);
+   endtest1 (params[0]);
+   glGetObjectParameterivARB (frag, GL_OBJECT_DELETE_STATUS_ARB, params);
+   endtest1 (params[0]);
+
+   /*
+    * Delete already deleted attached object. The behaviour is undefined, but we
+    * check for no errors. The object still exists, so the handle value is okay.
+    * In other words, these calls should be silently ignored by GL.
+    */
+   begintest (TT_GETERROR_NOERROR, "Delete already deleted attached object");
+   glDeleteObjectARB (vert);
+   endtest ();
+   glDeleteObjectARB (frag);
+   endtest ();
+
+   /*
+    * Compile shader source with syntax error.
+    */
+   begintest (TT_PARAM1_ZERO, "Compile shader source with syntax error");
+   glShaderSourceARB (vert, 1, &invsynvertsrc, NULL);
+   glCompileShaderARB (vert);
+   endtest1 (CheckObjectStatus (vert));
+   glShaderSourceARB (frag, 1, &invsynfragsrc, NULL);
+   glCompileShaderARB (frag);
+   endtest1 (CheckObjectStatus (frag));
+
+   /*
+    * Compile shader source with semantic error.
+    */
+   begintest (TT_PARAM1_ZERO, "Compile shader source with semantic error");
+   glShaderSourceARB (vert, 1, &invsemvertsrc, NULL);
+   glCompileShaderARB (vert);
+   endtest1 (CheckObjectStatus (vert));
+   glShaderSourceARB (frag, 1, &invsemfragsrc, NULL);
+   glCompileShaderARB (frag);
+   endtest1 (CheckObjectStatus (frag));
+
+   /*
+    * Link ill-formed vertex-fragment program.
+    */
+   begintest (TT_PARAM1_ZERO, "Link ill-formed vertex-fragment program");
+   glLinkProgramARB (prog);
+   endtest1 (CheckObjectStatus (prog));
+
+   /*
+    * Use badly linked program object.
+    */
+   begintest (TT_GETERROR_INVALIDOPERATION, "Use badly linked program object");
+   glUseProgramObjectARB (prog);
+   endtest ();
+
+   /*
+    * Compile well-formed shader source. Check if multi-string sources can be handled.
+    */
+   begintest (TT_PARAM1_NONZERO, "Compile well-formed shader source");
+   tab[0] = uniforms;
+   tab[1] = validvertsrc;
+   glShaderSourceARB (vert, 2, tab, NULL);
+   glCompileShaderARB (vert);
+   endtest1 (CheckObjectStatus (vert));
+   tab[0] = uniforms;
+   tab[1] = validfragsrc;
+   glShaderSourceARB (frag, 2, tab, NULL);
+   glCompileShaderARB (frag);
+   endtest1 (CheckObjectStatus (frag));
+
+   /*
+    * Link vertex-fragment program.
+    */
+   begintest (TT_PARAM1_NONZERO, "Link vertex-fragment program");
+   glLinkProgramARB (prog);
+   endtest1 (CheckObjectStatus (prog));
+
+   /*
+    * Use valid linked program object.
+    */
+   begintest (TT_GETERROR_NOERROR, "Use linked program object");
+   glUseProgramObjectARB (prog);
+   endtest ();
+
+   /*
+    * Get current program.
+    */
+   begintest (TT_PARAM1_NONZERO, "Get current program");
+   endtest1 (glGetHandleARB (GL_PROGRAM_OBJECT_ARB) == prog);
+
+   /*
+    * Use 0 program object.
+    */
+   begintest (TT_GETERROR_NOERROR, "Use 0 program object");
+   glUseProgramObjectARB (0);
+   endtest ();
+
+   /*
+    * Query uniform location. Uniforms with gl_ prefix cannot be queried.
+    */
+   begintest (TT_PARAM1_NONZERO, "Query uniform location");
+   endtest1 (glGetUniformLocationARB (prog, "gl_ModelViewMatrix") == -1);
+   endtest1 (glGetUniformLocationARB (prog, "UniformThatDoesNotExist") == -1);
+   endtest1 (glGetUniformLocationARB (prog, "") == -1);
+   endtest1 (glGetUniformLocationARB (prog, "CommonUniform") != -1);
+   endtest1 (glGetUniformLocationARB (prog, "VertexUniform") != -1);
+   endtest1 (glGetUniformLocationARB (prog, "FragmentUniform") != -1);
+
+   /*
+    * Query attrib location. Attribs with gl_ prefix cannot be queried.
+    * When gl_Vertex is used, none of the generic attribs can have index 0.
+    */
+   begintest (TT_PARAM1_NONZERO, "Query attrib location");
+   endtest1 (glGetAttribLocationARB (prog, "gl_Vertex") == -1);
+   endtest1 (glGetAttribLocationARB (prog, "AttribThatDoesNotExist") == -1);
+   endtest1 (glGetAttribLocationARB (prog, "") == -1);
+   endtest1 (glGetAttribLocationARB (prog, "FirstAttrib") > 0);
+   endtest1 (glGetAttribLocationARB (prog, "SecondAttrib") > 0);
+
+   /*
+    * Bind attrib locations, link and check if locations are correct.
+    */
+   begintest (TT_PARAM1_NONZERO, "Bind attrib location #1");
+   glBindAttribLocationARB (prog, 1, "FirstAttrib");
+   glBindAttribLocationARB (prog, 2, "SecondAttrib");
+   glLinkProgramARB (prog);
+   endtest1 (CheckObjectStatus (prog));
+   endtest1 (glGetAttribLocationARB (prog, "FirstAttrib") == 1);
+   endtest1 (glGetAttribLocationARB (prog, "SecondAttrib") == 2);
+
+   /*
+    * Bind attrib locations in different order. Link and check if locations are correct.
+    */
+   begintest (TT_PARAM1_NONZERO, "Bind attrib location #2");
+   glBindAttribLocationARB (prog, 1, "SecondAttrib");
+   glBindAttribLocationARB (prog, 2, "FirstAttrib");
+   glLinkProgramARB (prog);
+   endtest1 (CheckObjectStatus (prog));
+   endtest1 (glGetAttribLocationARB (prog, "SecondAttrib") == 1);
+   endtest1 (glGetAttribLocationARB (prog, "FirstAttrib") == 2);
+
+   /*
+    * Detach deleted object.
+    */
+   begintest (TT_GETERROR_NOERROR, "Detach deleted object");
+   glDetachObjectARB (prog, vert);
+   endtest ();
+   glDetachObjectARB (prog, frag);
+   endtest ();
+
+   /*
+    * Delete deleted detached object.
+    */
+   begintest (TT_GETERROR_INVALIDVALUE, "Delete deleted detached object");
+   glDeleteObjectARB (vert);
+   endtest ();
+   glDeleteObjectARB (frag);
+   endtest ();
+
+   exit (0);
+}
+
+void RenderScene (void)
+{
+   /* never reached */
+   assert (0);
+}
+
+int main (int argc, char *argv[])
+{
+   InitFramework (&argc, argv);
+   return 0;
+}
+