int __glXDisp_GetPixelMapusv(__GLXclientState *cl, GLbyte *pc)
{
GLenum map;
GLint compsize;
__GLXcontext *cx;
ClientPtr client = cl->client;
int error;
GLushort answerBuffer[200];
char *answer;
cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error);
if (!cx) {
return error;
}
pc += __GLX_SINGLE_HDR_SIZE;
map = *(GLenum *)(pc + 0);
compsize = __glGetPixelMapusv_size(map);
if (compsize < 0) compsize = 0;
__GLX_GET_ANSWER_BUFFER(answer,cl,compsize*2,2);
__glXClearErrorOccured();
glGetPixelMapusv(
*(GLenum *)(pc + 0),
(GLushort *) answer
);
if (__glXErrorOccured()) {
__GLX_BEGIN_REPLY(0);
__GLX_PUT_SIZE(0);
__GLX_SEND_HEADER();
} else if (compsize == 1) {
__GLX_BEGIN_REPLY(0);
__GLX_PUT_SIZE(1);
__GLX_PUT_SHORT();
__GLX_SEND_HEADER();
} else {
__GLX_BEGIN_REPLY(compsize*2);
__GLX_PUT_SIZE(compsize);
__GLX_SEND_HEADER();
__GLX_SEND_SHORT_ARRAY(compsize);
}
return Success;
}
enum piglit_result
test_pixel_map(void *null)
{
int use_unpack;
int use_pack;
GLuint pb_pack[1];
GLuint pb_unpack[1];
int i;
int size;
int max;
GLushort *pbo_mem;
glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB, 0);
glBindBufferARB(GL_PIXEL_PACK_BUFFER_ARB, 0);
glGetIntegerv(GL_MAX_PIXEL_MAP_TABLE, &max);
for (use_pack = 0; use_pack < 2; use_pack++) {
for (use_unpack = 0; use_unpack < 2;
use_unpack++) {
glClearColor(0.0, 0.0, 0.0, 1.0);
glClear(GL_COLOR_BUFFER_BIT);
if (use_unpack) {
glGenBuffersARB(1, pb_unpack);
glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB,
pb_unpack[0]);
glBufferDataARB(GL_PIXEL_UNPACK_BUFFER_ARB,
max * sizeof(GLushort), NULL,
GL_STREAM_DRAW);
}
pbo_mem = NULL;
if (use_unpack) {
pbo_mem = (GLushort *) glMapBufferARB(
GL_PIXEL_UNPACK_BUFFER_ARB,
GL_WRITE_ONLY);
}
else {
pbo_mem = (GLushort *)
malloc(sizeof(GLushort) * max);
}
for (i = 0; i < max; i++)
pbo_mem[i] = max - i - 1;
if (use_unpack) {
glUnmapBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB);
glPixelMapusv(GL_PIXEL_MAP_R_TO_R, max, NULL);
glPixelMapusv(GL_PIXEL_MAP_G_TO_G, max, NULL);
glPixelMapusv(GL_PIXEL_MAP_B_TO_B, max, NULL);
glPixelMapusv(GL_PIXEL_MAP_A_TO_A, max, NULL);
glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB,
0);
}
else {
glPixelMapusv(GL_PIXEL_MAP_R_TO_R, max,
pbo_mem);
glPixelMapusv(GL_PIXEL_MAP_G_TO_G, max,
pbo_mem);
glPixelMapusv(GL_PIXEL_MAP_B_TO_B, max,
pbo_mem);
glPixelMapusv(GL_PIXEL_MAP_A_TO_A, max,
pbo_mem);
free(pbo_mem);
}
glGetIntegerv(GL_PIXEL_MAP_R_TO_R_SIZE, &size);
if (size != max) {
REPORT_FAILURE("glPixelMap failed");
return PIGLIT_FAIL;
}
glPixelTransferi(GL_MAP_COLOR, GL_FALSE);
/* Read back pixel map */
if (use_pack) {
glGenBuffersARB(1, pb_pack);
glBindBufferARB(GL_PIXEL_PACK_BUFFER_ARB,
pb_pack[0]);
glBufferDataARB(GL_PIXEL_PACK_BUFFER_ARB,
max * sizeof(GLushort),
NULL, GL_STREAM_DRAW);
glGetPixelMapusv(GL_PIXEL_MAP_R_TO_R, NULL);
pbo_mem = (GLushort *) glMapBufferARB(
GL_PIXEL_PACK_BUFFER_ARB,
GL_READ_ONLY);
}
else {
pbo_mem = (GLushort *)
malloc(sizeof(GLushort) * max);
glGetPixelMapusv(GL_PIXEL_MAP_R_TO_R, pbo_mem);
}
for (i = 0; i < max; i++) {
if (pbo_mem[i] != max - i - 1) {
REPORT_FAILURE("get PixelMap failed");
return PIGLIT_FAIL;
}
}
if (use_pack) {
glUnmapBufferARB(GL_PIXEL_PACK_BUFFER_ARB);
glBindBufferARB(GL_PIXEL_PACK_BUFFER_ARB, 0);
glDeleteBuffersARB(1, pb_pack);
}
else {
free(pbo_mem);
}
if (use_unpack) {
glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB,
0);
glDeleteBuffersARB(1, pb_unpack);
}
if (!piglit_automatic)
piglit_present_results();
}
}
return PIGLIT_PASS;
}
M(void, glGetPixelMapusv, jint map, jobject values) {
glGetPixelMapusv(map, BUFF(GLushort, values));
}