static void
clear_buffer(int i, unsigned offset, unsigned size, unsigned char value, char *cpu)
{
glClearBufferSubData(GL_ARRAY_BUFFER, GL_R8, offset, size,
GL_RED, GL_UNSIGNED_BYTE, &value);
memset(cpu+offset, value, size);
if (debug && !check_array_buffer_data(SIZE, cpu)) {
printf("Clear %i failed: offset=%i (%%4 = %i), size=%i (%%4 = %i)\n",
i, offset, offset % 4, size, size % 4);
piglit_report_result(PIGLIT_FAIL);
}
}
void
piglit_init(int argc, char **argv)
{
bool pass = true;
GLuint buffer;
int i;
unsigned offset, size;
char *cpu = malloc(SIZE);
if (!cpu)
piglit_report_result(PIGLIT_FAIL);
for (i = 1; i < argc; i++)
if (!strcmp(argv[i], "-debug"))
debug = true;
piglit_require_extension("GL_ARB_clear_buffer_object");
glGenBuffers(1, &buffer);
glBindBuffer(GL_ARRAY_BUFFER, buffer);
glBufferData(GL_ARRAY_BUFFER, SIZE, NULL, GL_STREAM_READ);
clear_buffer(0, 0, SIZE, 0, cpu);
srand(6487216);
for (i = 1; i <= 200; i++) {
offset = rand() % SIZE;
size = 1 + (rand() % (SIZE - offset));
clear_buffer(i, offset, size, rand(), cpu);
}
/* and some small unaligned copies within one dword */
for (; i < 230; i++) {
offset = (rand() % (SIZE/4)) * 4 + 1 + (rand() % 2);
size = 1;
clear_buffer(i, offset, size, rand(), cpu);
}
pass = piglit_check_gl_error(GL_NO_ERROR) &&
check_array_buffer_data(SIZE, cpu);
glDeleteBuffers(1, &buffer);
free(cpu);
piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
}
PIGLIT_GL_TEST_CONFIG_END
void
piglit_init(int argc, char **argv)
{
bool pass = true;
const int buffer_size = 1<<20;
unsigned int buffer;
static const char *const data_zero = "\x00\x00\x00\x00";
static const char *const data_init = "\xff\xff\xff\xff"
"\xff\xff\xff\xff"
"\x00\x00\x00\x00"
"\x00\x00\x00\x00"
"\x55\x55\x55\x55"
"\x55\x55\x55\x55"
"\xaa\xaa\xaa\xaa"
"\xaa\xaa\xaa\xaa"
"\xff\x00\xff\x00"
"\xff\x00\xff\x00"
"\x00\xff\x00\xff"
"\x00\xff\x00\xff"
"\x91\xcc\x45\x36"
"\xd3\xe4\xe3\x5b"
"\x79\x1e\x21\x39"
"\xa8\xfa\x69\x6a";
piglit_require_extension("GL_ARB_clear_buffer_object");
glGenBuffers(1, &buffer);
glBindBuffer(GL_ARRAY_BUFFER, buffer);
glBufferData(GL_ARRAY_BUFFER, buffer_size, NULL, GL_STREAM_READ);
fill_array_buffer(64, data_init);
glClearBufferData(GL_ARRAY_BUFFER, GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE,
NULL);
pass = check_array_buffer_data(4, data_zero) && pass;
glBindBuffer(GL_ARRAY_BUFFER, 0);
glDeleteBuffers(1, &buffer);
pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
}
static bool
test_format(const int i)
{
static const char *const data_7f = "\x7f\x7f\x7f\x7f"
"\x7f\x7f\x7f\x7f"
"\x7f\x7f\x7f\x7f"
"\x7f\x7f\x7f\x7f"
"\x7f\x7f\x7f\x7f"
"\x7f\x7f\x7f\x7f"
"\x7f\x7f\x7f\x7f"
"\x7f\x7f\x7f\x7f"
"\x7f\x7f\x7f\x7f"
"\x7f\x7f\x7f\x7f"
"\x7f\x7f\x7f\x7f"
"\x7f\x7f\x7f\x7f"
"\x7f\x7f\x7f\x7f"
"\x7f\x7f\x7f\x7f"
"\x7f\x7f\x7f\x7f"
"\x7f\x7f\x7f\x7f"
"\x7f\x7f\x7f\x7f"
"\x7f\x7f\x7f\x7f"
"\x7f\x7f\x7f\x7f"
"\x7f\x7f\x7f\x7f"
"\x7f\x7f\x7f\x7f"
"\x7f\x7f\x7f\x7f"
"\x7f\x7f\x7f\x7f"
"\x7f\x7f\x7f\x7f"
"\x7f\x7f\x7f\x7f"
"\x7f\x7f\x7f\x7f"
"\x7f\x7f\x7f\x7f"
"\x7f\x7f\x7f\x7f"
"\x7f\x7f\x7f\x7f"
"\x7f\x7f\x7f\x7f"
"\x7f\x7f\x7f\x7f"
"\x7f\x7f\x7f\x7f";
static const char *const data_init = "\xff\xff\xff\xff"
"\xff\xff\xff\xff"
"\x00\x00\x00\x00"
"\x00\x00\x00\x00"
"\x55\x55\x55\x55"
"\x55\x55\x55\x55"
"\xaa\xaa\xaa\xaa"
"\xaa\xaa\xaa\xaa"
"\xff\x00\xff\x00"
"\xff\x00\xff\x00"
"\x00\xff\x00\xff"
"\x00\xff\x00\xff"
"\x91\xcc\x45\x36"
"\xd3\xe4\xe3\x5b"
"\x79\x1e\x21\x39"
"\xa8\xfa\x69\x6a";
if (piglit_is_core_profile && !formats[i].core_profile)
return true;
/* All required extensions are included in GL 3.0. */
if (piglit_get_gl_version() < 30) {
int j;
for (j = 0; j < 3; ++j)
if (formats[i].ext[j])
if (!piglit_is_extension_supported(
formats[i].ext[j]))
return true;
}
printf("Testing %s... ",
piglit_get_gl_enum_name(formats[i].internal_format));
fill_array_buffer(64, data_init);
glClearBufferData(GL_ARRAY_BUFFER, formats[i].internal_format,
formats[i].format, formats[i].type, data_7f);
if (!piglit_check_gl_error(GL_NO_ERROR) ||
!check_array_buffer_data(formats[i].size, data_7f)) {
printf("Failed!\n");
return false;
}
printf("Passed.\n");
return true;
}
