void
piglit_init(int argc, char **argv)
{
GLint loc;
piglit_require_gl_version(20);
piglit_require_extension("GL_EXT_separate_shader_objects");
glClearColor(0.3, 0.3, 0.3, 0.0);
piglit_ortho_projection(piglit_width, piglit_height, GL_FALSE);
prog[0] = glCreateShaderProgramEXT(GL_VERTEX_SHADER, vs_text);
prog[1] = glCreateShaderProgramEXT(GL_FRAGMENT_SHADER, fs_text);
loc = glGetUniformLocation(prog[0], "color");
if (loc < 0) {
printf("Unable to get uniform location in separate vertex "
"shader");
piglit_report_result(PIGLIT_FAIL);
}
glActiveProgramEXT(prog[0]);
glUniform4f(loc, 0.0, 0.5, 0.0, 0.5);
loc = glGetUniformLocation(prog[1], "color");
if (loc < 0) {
printf("Unable to get uniform location in separate fragment "
"shader");
piglit_report_result(PIGLIT_FAIL);
}
glActiveProgramEXT(prog[1]);
glUniform1i(loc, 2);
}
JNIEXPORT void JNICALL Java_org_lwjgl_opengl_EXTSeparateShaderObjects_nglActiveProgramEXT(JNIEnv *env, jclass clazz, jint program, jlong function_pointer) {
glActiveProgramEXTPROC glActiveProgramEXT = (glActiveProgramEXTPROC)((intptr_t)function_pointer);
glActiveProgramEXT(program);
}
void
piglit_init(int argc, char **argv)
{
enum piglit_result result = PIGLIT_PASS;
GLenum err;
GLint ok;
GLuint prog;
GLuint vs;
if (piglit_get_gl_version() < 20) {
printf("Requires OpenGL 2.0\n");
piglit_report_result(PIGLIT_SKIP);
}
piglit_require_extension("GL_EXT_separate_shader_objects");
printf("Trying shader with unresolved external symbol...\n");
vs = piglit_compile_shader_text(GL_VERTEX_SHADER, bad_vs_text);
prog = glCreateProgram();
glAttachShader(prog, vs);
glLinkProgram(prog);
glDeleteShader(vs);
ok = piglit_link_check_status_quiet(prog);
if (ok) {
fprintf(stderr,
"Linking with unresolved symbol succeeded when it "
"should have failed.\n");
piglit_report_result(PIGLIT_FAIL);
}
/* There shouldn't be any GL errors, but clear them all just to be
* sure.
*/
while (glGetError() != 0)
/* empty */ ;
/* The specified program is not linked. This should generate
* the error GL_INVALID_OPERATION.
*/
glActiveProgramEXT(prog);
err = glGetError();
if (err != GL_INVALID_OPERATION) {
printf("Unexpected OpenGL error state 0x%04x for "
"glActiveProgramEXT called with\n"
"an unlinked shader program (expected 0x%04x).\n",
err, GL_INVALID_OPERATION);
result = PIGLIT_FAIL;
}
glDeleteProgram(prog);
glUseProgram(0);
/* Try again with a shader program that could be linked but wasn't.
*/
printf("Trying unlinked, valid shader...\n");
vs = piglit_compile_shader_text(GL_VERTEX_SHADER, good_vs_text);
prog = glCreateProgram();
glAttachShader(prog, vs);
glDeleteShader(vs);
/* There shouldn't be any GL errors, but clear them all just to be
* sure.
*/
while (glGetError() != 0)
/* empty */ ;
/* The specified program is not linked. This should generate
* the error GL_INVALID_OPERATION.
*/
glActiveProgramEXT(prog);
err = glGetError();
if (err != GL_INVALID_OPERATION) {
printf("Unexpected OpenGL error state 0x%04x for "
"glActiveProgramEXT called with\n"
"an unlinked shader program (expected 0x%04x).\n",
err, GL_INVALID_OPERATION);
result = PIGLIT_FAIL;
}
glDeleteProgram(prog);
glUseProgram(0);
piglit_report_result(result);
}
