void
ShaderAPITest::test_uniform_scalar_count(void)
{
GLuint program;
GLint location;
GLfloat data[128];
program = make_program("#version 110\nuniform vec2 x;\nvoid main() { gl_Position.xy = x; }\n", NULL);
location = glGetUniformLocation_func(program, "x");
assert_no_error();
glUniform2fv_func(location, 64, data);
assert_error(GL_INVALID_OPERATION);
}
void
ShaderAPITest::test_uniform_array_overflow(void)
{
GLuint program;
GLint location;
GLfloat data[128];
program = make_program("#version 120\nuniform vec2 x[10];\nvoid main() { gl_Position.xy = x[9]; }\n", NULL);
location = glGetUniformLocation_func(program, "x");
assert_no_error();
glUniform2fv_func(location, 64, data);
assert_no_error();
}
static void
Init(void)
{
const char *version;
GLint i;
version = (const char *) glGetString(GL_VERSION);
if (version[0] != '2' || version[1] != '.') {
printf("Warning: this program expects OpenGL 2.0\n");
/*exit(1);*/
}
GetExtensionFuncs();
vertShader = glCreateShader_func(GL_VERTEX_SHADER);
ReadShader(vertShader, VertProgFile);
fragShader = glCreateShader_func(GL_FRAGMENT_SHADER);
ReadShader(fragShader, FragProgFile);
program = glCreateProgram_func();
glAttachShader_func(program, fragShader);
glAttachShader_func(program, vertShader);
glLinkProgram_func(program);
CheckLink(program);
glUseProgram_func(program);
for (i = 0; Uniforms[i].name; i++) {
Uniforms[i].location
= glGetUniformLocation_func(program, Uniforms[i].name);
printf("Uniform %s location: %d\n", Uniforms[i].name,
Uniforms[i].location);
switch (Uniforms[i].size) {
case 1:
glUniform1fv_func(Uniforms[i].location, 1, Uniforms[i].value);
break;
case 2:
glUniform2fv_func(Uniforms[i].location, 1, Uniforms[i].value);
break;
case 3:
glUniform3fv_func(Uniforms[i].location, 1, Uniforms[i].value);
break;
case 4:
glUniform4fv_func(Uniforms[i].location, 1, Uniforms[i].value);
break;
default:
abort();
}
}
assert(glGetError() == 0);
glClearColor(0.4f, 0.4f, 0.8f, 0.0f);
printf("GL_RENDERER = %s\n",(const char *) glGetString(GL_RENDERER));
assert(glIsProgram_func(program));
assert(glIsShader_func(fragShader));
assert(glIsShader_func(vertShader));
glColor3f(1, 0, 0);
}
