void uniform_set(Uniform* uniform, float f) {
check_uniform(uniform);
glUniform1f(uniform->location, f);
}
void uniform_set(Uniform* uniform, int i) {
check_uniform(uniform);
glUniform1i(uniform->location, i);
}
void uniform_set(Uniform* uniform, const vec2 &v) {
check_uniform(uniform);
glUniform2f(uniform->location, v.x, v.y);
}
void uniform_set(Uniform* uniform, const vec3 &v) {
check_uniform(uniform);
glUniform3f(uniform->location, v.x, v.y, v.z);
}
void uniform_set(Uniform* uniform, const vec4& v) {
check_uniform(uniform);
glUniform4f(uniform->location, v.x, v.y, v.z, v.w);
}
void uniform_set(Uniform* uniform, const mat3 &m) {
check_uniform(uniform);
glUniformMatrix3fv(uniform->location, 1, 0, value_ptr(m));
}
static GLboolean
test_uniform_funcs(void)
{
static const char *signedFragText =
"uniform int value1; \n"
"uniform ivec2 value2; \n"
"uniform ivec3 value3; \n"
"uniform ivec4 value4; \n"
"void main() \n"
"{ \n"
" vec4 t = vec4(value4); \n"
" t += vec4(value3, 0.0); \n"
" t += vec4(value2, 0.0, 0.0); \n"
" t += vec4(value1, 0.0, 0.0, 0.0); \n"
" gl_FragColor = 0.01 * t; \n"
"} \n";
static const char *unsignedFragText =
"#extension GL_EXT_gpu_shader4: enable \n"
"uniform unsigned int value1; \n"
"uniform uvec2 value2; \n"
"uniform uvec3 value3; \n"
"uniform uvec4 value4; \n"
"void main() \n"
"{ \n"
" vec4 t = vec4(value4); \n"
" t += vec4(value3, 0.0); \n"
" t += vec4(value2, 0.0, 0.0); \n"
" t += vec4(value1, 0.0, 0.0, 0.0); \n"
" gl_FragColor = 0.01 * t; \n"
"} \n";
GLint vals[4], loc1, loc2, loc3, loc4;
GLuint shader;
/*
* Signed integer tests.
*/
shader = piglit_compile_shader_text(GL_FRAGMENT_SHADER, signedFragText);
assert(shader);
Program = piglit_link_simple_program(0, shader);
assert(Program);
glUseProgram(Program);
check_error(__FILE__, __LINE__);
loc1 = glGetUniformLocation(Program, "value1");
assert(loc1 >= 0);
loc2 = glGetUniformLocation(Program, "value2");
assert(loc2 >= 0);
loc3 = glGetUniformLocation(Program, "value3");
assert(loc3 >= 0);
loc4 = glGetUniformLocation(Program, "value4");
assert(loc4 >= 0);
check_error(__FILE__, __LINE__);
gen_values(vals, 1, SIGNED);
glUniform1iARB(loc1, vals[0]);
if (!check_uniform(vals, 1, SIGNED, loc1, "glUniform1iARB"))
return GL_FALSE;
gen_values(vals, 2, SIGNED);
glUniform2iARB(loc2, vals[0], vals[1]);
if (!check_uniform(vals, 2, SIGNED, loc2, "glUniform2iARB"))
return GL_FALSE;
gen_values(vals, 3, SIGNED);
glUniform3iARB(loc3, vals[0], vals[1], vals[2]);
if (!check_uniform(vals, 3, SIGNED, loc3, "glUniform3iARB"))
return GL_FALSE;
gen_values(vals, 4, SIGNED);
glUniform4iARB(loc4, vals[0], vals[1], vals[2], vals[3]);
if (!check_uniform(vals, 4, SIGNED, loc4, "glUniform4iARB"))
return GL_FALSE;
/*
* Unsigned integer tests.
*/
shader = piglit_compile_shader_text(GL_FRAGMENT_SHADER, unsignedFragText);
assert(shader);
Program = piglit_link_simple_program(0, shader);
assert(Program);
glUseProgram(Program);
check_error(__FILE__, __LINE__);
loc1 = glGetUniformLocation(Program, "value1");
assert(loc1 >= 0);
loc2 = glGetUniformLocation(Program, "value2");
assert(loc2 >= 0);
loc3 = glGetUniformLocation(Program, "value3");
assert(loc3 >= 0);
loc4 = glGetUniformLocation(Program, "value4");
assert(loc4 >= 0);
check_error(__FILE__, __LINE__);
gen_values(vals, 1, UNSIGNED);
glUniform1uiEXT(loc1, vals[0]);
if (!check_uniform(vals, 1, UNSIGNED, loc1, "glUniform1uiEXT"))
return GL_FALSE;
gen_values(vals, 2, UNSIGNED);
glUniform2uiEXT(loc2, vals[0], vals[1]);
if (!check_uniform(vals, 2, UNSIGNED, loc2, "glUniform2uiEXT"))
return GL_FALSE;
gen_values(vals, 3, UNSIGNED);
glUniform3uiEXT(loc3, vals[0], vals[1], vals[2]);
if (!check_uniform(vals, 3, UNSIGNED, loc3, "glUniform3uiEXT"))
return GL_FALSE;
gen_values(vals, 4, UNSIGNED);
glUniform4uiEXT(loc4, vals[0], vals[1], vals[2], vals[3]);
if (!check_uniform(vals, 4, UNSIGNED, loc4, "glUniform4uiEXT"))
return GL_FALSE;
return GL_TRUE;
}