+++ /dev/null
-/*
- * 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;
-}
-
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