void
piglit_init(int argc, char **argv)
{
unsigned i;
(void) argc;
(void) argv;
piglit_require_vertex_program();
piglit_require_fragment_program();
piglit_require_extension("GL_NV_vertex_program2_option");
piglit_ortho_projection(piglit_width, piglit_height, GL_FALSE);
for (i = 0; i < ARRAY_SIZE(progs); i++) {
char shader_source[1024];
snprintf(shader_source, sizeof(shader_source),
vertex_source_template);
progs[i] = piglit_compile_program(GL_VERTEX_PROGRAM_ARB,
shader_source);
}
glEnable(GL_FRAGMENT_PROGRAM_ARB);
glEnable(GL_VERTEX_PROGRAM_ARB);
frag_prog = piglit_compile_program(GL_FRAGMENT_PROGRAM_ARB,
fragment_source);
glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, frag_prog);
glClearColor(clear_color[0],
clear_color[1],
clear_color[2],
clear_color[3]);
}
void
piglit_init(int argc, char **argv)
{
static const char components[] = "xyzw";
unsigned i;
(void) argc;
(void) argv;
piglit_require_vertex_program();
piglit_require_fragment_program();
piglit_require_extension("GL_NV_vertex_program2_option");
piglit_ortho_projection(piglit_width, piglit_height, GL_FALSE);
for (i = 0; i < ARRAY_SIZE(progs); i++) {
char shader_source[1024];
snprintf(shader_source, sizeof(shader_source),
vertex_source_template,
components[i + 0],
components[i + 2]);
progs[i] = piglit_compile_program(GL_VERTEX_PROGRAM_ARB,
shader_source);
}
glEnable(GL_FRAGMENT_PROGRAM_ARB);
glEnable(GL_VERTEX_PROGRAM_ARB);
glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, piglit_ARBfp_pass_through);
glClearColor(0.5, 0.5, 0.5, 1.0);
}
void
piglit_init(int argc, char **argv)
{
(void) argc;
(void) argv;
piglit_require_vertex_program();
piglit_require_fragment_program();
piglit_ortho_projection(piglit_width, piglit_height, GL_FALSE);
progs[0] = piglit_compile_program(GL_FRAGMENT_PROGRAM_ARB,
cos_shader_source);
progs[1] = piglit_compile_program(GL_FRAGMENT_PROGRAM_ARB,
sge_shader_source);
vert_prog = piglit_compile_program(GL_VERTEX_PROGRAM_ARB,
vert_shader_source);
glClearColor(0.5, 0.5, 0.5, 1.0);
}
void piglit_init(int argc, char **argv)
{
piglit_automatic = GL_TRUE;
piglit_require_vertex_program();
}
void
piglit_init(int argc, char **argv)
{
unsigned r;
unsigned c;
unsigned i;
(void) argc;
(void) argv;
piglit_require_vertex_program();
piglit_require_fragment_program();
piglit_require_extension("GL_NV_fragment_program_option");
piglit_ortho_projection(piglit_width, piglit_height, GL_FALSE);
vert_prog = piglit_compile_program(GL_VERTEX_PROGRAM_ARB,
vert_shader_source);
frag_prog = piglit_compile_program(GL_FRAGMENT_PROGRAM_ARB,
frag_shader_source);
glClearColor(0.5, 0.5, 0.5, 1.0);
i = 0;
for (r = 0; r < TEST_ROWS; r++) {
for (c = 0; c < TEST_COLS; c++) {
position[i + 0] = (float)((BOX_SIZE / 2) + c *
(BOX_SIZE + 1) + 1);
position[i + 1] = (float)((BOX_SIZE / 2) + r *
(BOX_SIZE + 1) + 1);
position[i + 2] = 0.0f;
position[i + 3] = 1.0f;
i += 4;
}
}
/* Generate a bunch of random direction vectors. Based on the random
* direction vector, generate an axis such that the reflection of the
* random vector across the axis is { 0, 1, 0 }.
*/
srand(time(NULL));
for (i = 0; i < (ARRAY_SIZE(direction) / 4); i++) {
const double d[3] = {
random_float(),
random_float(),
random_float()
};
const double inv_mag_d = 1.0 /
sqrt((d[0] * d[0]) + (d[1] * d[1]) + (d[2] * d[2]));
double a[3];
double mag_a;
direction[(i * 4) + 0] = d[0] * inv_mag_d;
direction[(i * 4) + 1] = d[1] * inv_mag_d;
direction[(i * 4) + 2] = d[2] * inv_mag_d;
direction[(i * 4) + 3] = 0.0;
a[0] = direction[(i * 4) + 0] + 0.0;
a[1] = direction[(i * 4) + 1] + 1.0;
a[2] = direction[(i * 4) + 2] + 0.0;
mag_a = sqrt((a[0] * a[0]) + (a[1] * a[1]) + (a[2] * a[2]));
axis[(i * 4) + 0] = a[0] / mag_a;
axis[(i * 4) + 1] = a[1] / mag_a;
axis[(i * 4) + 2] = a[2] / mag_a;
axis[(i * 4) + 3] = 0.0;
}
}
void
piglit_init(int argc, char **argv)
{
GLint max_parameters;
GLint max_native_parameters;
GLint max_local_parameters;
GLint max_env_parameters;
char *shader_source;
bool pass = true;
size_t len;
int offset;
unsigned i;
(void) argc;
(void) argv;
piglit_require_vertex_program();
/* First, query all of the limits.
*/
pass = query_and_require_limit(GL_MAX_PROGRAM_PARAMETERS_ARB,
& max_parameters,
"GL_MAX_PROGRAM_PARAMETERS_ARB",
96)
&& pass;
pass = query_and_require_limit(GL_MAX_PROGRAM_NATIVE_PARAMETERS_ARB,
& max_native_parameters,
"GL_MAX_PROGRAM_NATIVE_PARAMETERS_ARB",
96)
&& pass;
pass = query_and_require_limit(GL_MAX_PROGRAM_LOCAL_PARAMETERS_ARB,
& max_local_parameters,
"GL_MAX_PROGRAM_LOCAL_PARAMETERS_ARB",
96)
&& pass;
pass = query_and_require_limit(GL_MAX_PROGRAM_ENV_PARAMETERS_ARB,
& max_env_parameters,
"GL_MAX_PROGRAM_ENV_PARAMETERS_ARB",
96)
&& pass;
if (!pass) {
piglit_report_result(PIGLIT_FAIL);
}
/* Allocate a buffer big enough to hold any program that this test
* might generate.
*/
len = sizeof(template_header)
+ sizeof(template_footer)
+ sizeof(max_native_template_footer)
+ (80 * max_parameters) + 1;
shader_source = malloc(len);
if (shader_source == NULL)
piglit_report_result(PIGLIT_FAIL);
/* Generate a program that uses the full parameter space using an
* array of constants. Since only one parameter is statically used,
* this exercises GL_MAX_PROGRAM_PARAMETERS_ARB and *not*
* GL_MAX_PROGRAM_NATIVE_PARAMETERS_ARB.
*/
offset = snprintf(shader_source, len, template_header, max_parameters);
for (i = 0; i < max_parameters; i++) {
int comma = (i < (max_parameters - 1)) ? ',' : ' ';
int used = snprintf(& shader_source[offset],
len - offset,
"\t\t{ %.1f, %.1f, %.1f, %.1f }%c\n",
(float) i,
(float) i + 0.2,
(float) i + 0.4,
(float) i + 0.6,
comma);
offset += used;
}
memcpy(& shader_source[offset], template_footer,
sizeof(template_footer));
(void) piglit_compile_program(GL_VERTEX_PROGRAM_ARB, shader_source);
/* Generate a program that uses the full native parameter space using
* an array of constants. The array is accessed indirectly, so the
* assembler cannot know which elements may be used. As a result, it
* has to upload all of them. This exercises
* GL_MAX_PROGRAM_NATIVE_PARAMETERS_ARB.
*/
offset = snprintf(shader_source, len, template_header,
max_native_parameters);
for (i = 0; i < max_native_parameters; i++) {
int comma = (i < (max_native_parameters - 1)) ? ',' : ' ';
int used = snprintf(& shader_source[offset],
len - offset,
"\t\t{ %.1f, %.1f, %.1f, %.1f }%c\n",
(float) i,
(float) i + 0.2,
(float) i + 0.4,
(float) i + 0.6,
comma);
offset += used;
}
memcpy(& shader_source[offset], max_native_template_footer,
sizeof(max_native_template_footer));
(void) piglit_compile_program(GL_VERTEX_PROGRAM_ARB, shader_source);
/* Generate a program that uses as much of the local parameter space
* as possible. This basically tries to hit both ends of the
* program.local array without making assumptions about the relative
* amount of parameter space. We only assume that the
* minimum-maximums of 96 are respected by the GL implementation.
*/
snprintf(shader_source, len, max_local_template,
"local",
"local", max_local_parameters - 47, max_local_parameters - 1);
(void) piglit_compile_program(GL_VERTEX_PROGRAM_ARB, shader_source);
/* Generate a program that uses as much of the env parameter space
* as possible. This basically tries to hit both ends of the
* program.env array without making assumptions about the relative
* amount of parameter space. We only assume that the
* minimum-maximums of 96 are respected by the GL implementation.
*/
snprintf(shader_source, len, max_local_template,
"env",
"env", max_env_parameters - 47, max_env_parameters - 1);
(void) piglit_compile_program(GL_VERTEX_PROGRAM_ARB, shader_source);
}
void
piglit_init(int argc, char **argv)
{
GLint max_address_registers;
unsigned i;
(void) argc;
(void) argv;
piglit_require_vertex_program();
piglit_require_fragment_program();
piglit_ortho_projection(piglit_width, piglit_height, GL_FALSE);
glGetProgramivARB(GL_VERTEX_PROGRAM_ARB,
GL_MAX_PROGRAM_ADDRESS_REGISTERS_ARB,
& max_address_registers);
if (max_address_registers == 0) {
/* we have to have at least one address register */
if (! piglit_automatic)
printf("GL_MAX_PROGRAM_ADDRESS_REGISTERS_ARB == 0\n");
piglit_report_result(PIGLIT_FAIL);
} else if (max_address_registers == 1) {
if (piglit_is_extension_supported("GL_NV_vertex_program2_option")) {
/* this extension requires two address regs */
if (! piglit_automatic)
printf("GL_MAX_PROGRAM_ADDRESS_REGISTERS_ARB "
"== 1\n");
piglit_report_result(PIGLIT_FAIL);
} else {
piglit_report_result(PIGLIT_SKIP);
}
}
for (i = 0; i < ARRAY_SIZE(progs); i++) {
char shader_source[1024];
int offset[2];
char direction[2];
/* We want the constant offset in the instruction plus the
* value read from the attribute to be 1.
*/
offset[0] = 1 - (int) attrib[(2 * i) + 0];
offset[1] = 1 - (int) attrib[(2 * i) + 1];
if (offset[0] < 0) {
direction[0] = '-';
offset[0] = -offset[0];
} else {
direction[0] = '+';
}
if (offset[1] < 0) {
direction[1] = '-';
offset[1] = -offset[1];
} else {
direction[1] = '+';
}
snprintf(shader_source, sizeof(shader_source),
vertex_source_template,
direction[0], offset[0],
direction[1], offset[1]);
progs[i] = piglit_compile_program(GL_VERTEX_PROGRAM_ARB,
shader_source);
}
glEnable(GL_FRAGMENT_PROGRAM_ARB);
glEnable(GL_VERTEX_PROGRAM_ARB);
glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, piglit_ARBfp_pass_through);
glClearColor(0.5, 0.5, 0.5, 1.0);
}