void __indirect_glArrayElement(GLint i)
{
__GLXcontext *gc = __glXGetCurrentContext();
__GLXattribute * state = (__GLXattribute *)(gc->client_state_private);
__GLXvertArrayState *va = &state->vertArray;
GLint j;
if (IS_TEXARRAY_ENABLED(state, 0)) {
(*va->texCoord[0].proc)(va->texCoord[0].ptr+i*va->texCoord[0].skip);
}
/* Multitexturing is handled specially because the protocol
* requires an extra parameter.
*/
for (j=1; j<__GLX_MAX_TEXTURE_UNITS; ++j) {
if (IS_TEXARRAY_ENABLED(state, j)) {
(*va->texCoord[j].mtex_proc)(GL_TEXTURE0 + j, va->texCoord[j].ptr+i*va->texCoord[j].skip);
}
}
for ( j = 0 ; j < __GLX_MAX_ARRAYS ; j++ ) {
if (IS_ARRAY_ENABLED_BY_INDEX(state, j)) {
(*va->arrays[ j ].proc)(va->arrays[ j ].ptr+i*va->arrays[ j ].skip);
}
}
}
void __indirect_glIndexPointer( GLenum type, GLsizei stride,
const GLvoid * pointer )
{
uint16_t opcode;
__GLXcontext *gc = __glXGetCurrentContext();
__GLXattribute * state = (__GLXattribute *)(gc->client_state_private);
struct array_state_vector * arrays = state->array_state;
struct array_state * a;
if (stride < 0) {
__glXSetError(gc, GL_INVALID_VALUE);
return;
}
switch ( type ) {
case GL_UNSIGNED_BYTE: opcode = X_GLrop_Indexubv; break;
case GL_SHORT: opcode = X_GLrop_Indexsv; break;
case GL_INT: opcode = X_GLrop_Indexiv; break;
case GL_FLOAT: opcode = X_GLrop_Indexfv; break;
case GL_DOUBLE: opcode = X_GLrop_Indexdv; break;
default:
__glXSetError(gc, GL_INVALID_ENUM);
return;
}
a = get_array_entry( arrays, GL_INDEX_ARRAY, 0 );
assert( a != NULL );
COMMON_ARRAY_DATA_INIT( a, pointer, type, stride, 1, GL_FALSE, 4,
opcode );
if ( a->enabled ) {
arrays->array_info_cache_valid = GL_FALSE;
}
}
void
__glXSendError(Display * dpy, int errorCode, unsigned long resourceID,
unsigned long minorCode, bool coreX11error)
{
XExtDisplayInfo *info = __glXFindDisplay(dpy);
GLXContext gc = __glXGetCurrentContext();
xError error;
LockDisplay(dpy);
error.type = X_Error;
if (coreX11error) {
error.errorCode = errorCode;
}
else {
error.errorCode = info->codes->first_error + errorCode;
}
error.sequenceNumber = dpy->request;
error.resourceID = resourceID;
error.minorCode = minorCode;
error.majorCode = gc ? gc->majorOpcode : 0;
_XError(dpy, &error);
UnlockDisplay(dpy);
}
void __indirect_glGetVertexAttribivARB( GLuint index, GLenum pname,
GLint * params )
{
__GLXcontext * const gc = __glXGetCurrentContext();
Display * const dpy = gc->currentDpy;
__GLXattribute * state = (__GLXattribute *)(gc->client_state_private);
xGLXSingleReply reply;
get_vertex_attrib( gc, 1303, index, pname, (xReply *) & reply );
if ( reply.size != 0 ) {
if ( ! get_attrib_array_data( state, index, pname, params ) ) {
if (reply.size == 1) {
*params = (GLint) reply.pad3;
}
else {
_XRead(dpy, (void *) params, 4 * reply.size);
}
}
}
UnlockDisplay(dpy);
SyncHandle();
}
void
emit_DrawArrays_old( GLenum mode, GLint first, GLsizei count )
{
__GLXcontext *gc = __glXGetCurrentContext();
const __GLXattribute * state =
(const __GLXattribute *)(gc->client_state_private);
struct array_state_vector * arrays = state->array_state;
GLubyte * pc;
size_t elements_per_request;
unsigned total_requests = 0;
unsigned i;
size_t total_sent = 0;
pc = emit_DrawArrays_header_old( gc, arrays, & elements_per_request,
& total_requests, mode, count);
/* Write the arrays.
*/
if ( total_requests == 0 ) {
assert( elements_per_request >= count );
for ( i = 0 ; i < count ; i++ ) {
pc = emit_element_old( pc, arrays, i + first );
}
assert( pc <= gc->bufEnd );
gc->pc = pc;
if ( gc->pc > gc->limit ) {
(void) __glXFlushRenderBuffer(gc, gc->pc);
}
}
else {
unsigned req;
for ( req = 2 ; req <= total_requests ; req++ ) {
if ( count < elements_per_request ) {
elements_per_request = count;
}
pc = gc->pc;
for ( i = 0 ; i < elements_per_request ; i++ ) {
pc = emit_element_old( pc, arrays, i + first );
}
first += elements_per_request;
total_sent += (size_t) (pc - gc->pc);
__glXSendLargeChunk( gc, req, total_requests, gc->pc,
pc - gc->pc );
count -= elements_per_request;
}
}
}
void __indirect_glGetVertexAttribdvARB( GLuint index, GLenum pname,
GLdouble * params )
{
__GLXcontext * const gc = __glXGetCurrentContext();
Display * const dpy = gc->currentDpy;
__GLXattribute * state = (__GLXattribute *)(gc->client_state_private);
xGLXSingleReply reply;
get_vertex_attrib( gc, 1301, index, pname, (xReply *) & reply );
if ( reply.size != 0 ) {
GLintptr data;
if ( get_attrib_array_data( state, index, pname, & data ) ) {
*params = (GLdouble) data;
}
else {
if (reply.size == 1) {
(void) memcpy( params, & reply.pad3, sizeof( GLdouble ) );
}
else {
_XRead(dpy, (void *) params, 8 * reply.size);
}
}
}
UnlockDisplay(dpy);
SyncHandle();
}
void
__indirect_glPushClientAttrib(GLuint mask)
{
__GLXcontext *gc = __glXGetCurrentContext();
__GLXattribute *state = (__GLXattribute *) (gc->client_state_private);
__GLXattribute **spp = gc->attributes.stackPointer, *sp;
if (spp < &gc->attributes.stack[__GL_CLIENT_ATTRIB_STACK_DEPTH]) {
if (!(sp = *spp)) {
sp = (__GLXattribute *) Xmalloc(sizeof(__GLXattribute));
*spp = sp;
}
sp->mask = mask;
gc->attributes.stackPointer = spp + 1;
if (mask & GL_CLIENT_PIXEL_STORE_BIT) {
sp->storePack = state->storePack;
sp->storeUnpack = state->storeUnpack;
}
if (mask & GL_CLIENT_VERTEX_ARRAY_BIT) {
__glXPushArrayState(state);
}
}
else {
__glXSetError(gc, GL_STACK_OVERFLOW);
return;
}
}
/*
** Setup for sending a GLX command on dpy. Make sure the extension is
** initialized. Try to avoid calling __glXInitialize as its kinda slow.
*/
_X_HIDDEN CARD8
__glXSetupForCommand(Display * dpy)
{
struct glx_context *gc;
struct glx_display *priv;
/* If this thread has a current context, flush its rendering commands */
gc = __glXGetCurrentContext();
if (gc->currentDpy) {
/* Flush rendering buffer of the current context, if any */
(void) __glXFlushRenderBuffer(gc, gc->pc);
if (gc->currentDpy == dpy) {
/* Use opcode from gc because its right */
return gc->majorOpcode;
}
else {
/*
** Have to get info about argument dpy because it might be to
** a different server
*/
}
}
/* Forced to lookup extension via the slow initialize route */
priv = __glXInitialize(dpy);
if (!priv) {
return 0;
}
return priv->majorOpcode;
}
/**
* I don't have 100% confidence that this is correct. The different rules
* about whether or not generic vertex attributes alias "classic" vertex
* attributes (i.e., attrib1 ?= primary color) between ARB_vertex_program,
* ARB_vertex_shader, and NV_vertex_program are a bit confusing. My
* feeling is that the client-side doesn't have to worry about it. The
* client just sends all the data to the server and lets the server deal
* with it.
*/
void __indirect_glVertexAttribPointerNV( GLuint index, GLint size,
GLenum type, GLsizei stride,
const GLvoid * pointer)
{
__GLXcontext *gc = __glXGetCurrentContext();
GLboolean normalized = GL_FALSE;
switch( type ) {
case GL_UNSIGNED_BYTE:
if ( size != 4 ) {
__glXSetError(gc, GL_INVALID_VALUE);
return;
}
normalized = GL_TRUE;
case GL_SHORT:
case GL_FLOAT:
case GL_DOUBLE:
__indirect_glVertexAttribPointerARB(index, size, type,
normalized,
stride, pointer);
return;
default:
__glXSetError(gc, GL_INVALID_ENUM);
return;
}
}
/**
* Emit DrawArrays protocol. This function acts as a switch betteen
* \c emit_Render_DrawArrays and \c emit_RenderLarge_DrawArrays depending
* on how much array data is to be sent.
*/
static void
emit_DrawArraysEXT(const __GLXattribute * const state,
GLint first, GLsizei count, GLenum mode)
{
struct array_info arrays[32];
GLsizei num_arrays;
GLsizei total_vertex_size;
__GLXcontext *gc = __glXGetCurrentContext();
GLuint cmdlen;
/* Determine how big the final request will be. This depends on a number
* of factors. It depends on how many array elemets there are (which is
* the passed-in 'count'), how many arrays are enabled, how many elements
* are in each array entry, and what the types are for each array.
*/
cmdlen = prep_arrays(state, arrays, count, & num_arrays,
& total_vertex_size);
/* If the data payload and the protocol header is too large for a Render
* command, use a RenderLarge command.
*/
if (cmdlen > gc->maxSmallRenderCommandSize) {
emit_RenderLarge_DrawArrays(gc, arrays, first, count, num_arrays,
mode, cmdlen, total_vertex_size);
}
else {
emit_Render_DrawArrays(gc, arrays, first, count, num_arrays,
mode, cmdlen, total_vertex_size);
}
}
void __indirect_glEdgeFlagPointer(GLsizei stride, const GLvoid *pointer)
{
__GLXcontext *gc = __glXGetCurrentContext();
__GLXattribute * state = (__GLXattribute *)(gc->client_state_private);
__GLXvertexArrayPointerState *edgeFlagPointer = &state->vertArray.arrays[ edgeFlag_ARRAY ];
/* Check arguments */
if (stride < 0) {
__glXSetError(gc, GL_INVALID_VALUE);
return;
}
/* Choose appropriate api proc */
edgeFlagPointer->proc = (void (*)(const void *))__indirect_glEdgeFlagv;
edgeFlagPointer->stride = stride;
edgeFlagPointer->ptr = pointer;
/* Set internal state */
if (stride == 0) {
edgeFlagPointer->skip = sizeof(GLboolean);
} else {
edgeFlagPointer->skip = stride;
}
}
void __indirect_glFogCoordPointerEXT(GLenum type, GLsizei stride, const GLvoid * pointer)
{
__GLXcontext *gc = __glXGetCurrentContext();
__GLXattribute * state = (__GLXattribute *)(gc->client_state_private);
__GLXvertexArrayPointerState *fogPointer = &state->vertArray.arrays[ fogCoord_ARRAY ];
/* Check arguments */
if (stride < 0) {
__glXSetError(gc, GL_INVALID_VALUE);
return;
}
/* Choose appropriate api proc */
switch(type) {
__GL_FOG_FUNC(FLOAT, f);
__GL_FOG_FUNC(DOUBLE, d);
default:
__glXSetError(gc, GL_INVALID_ENUM);
return;
}
fogPointer->size = 1;
fogPointer->type = type;
fogPointer->stride = stride;
fogPointer->ptr = pointer;
/* Set internal state */
if (stride == 0) {
fogPointer->skip = __glXTypeSize(type);
} else {
fogPointer->skip = stride;
}
}
void __indirect_glIndexPointer(GLenum type, GLsizei stride, const GLvoid *pointer)
{
__GLXcontext *gc = __glXGetCurrentContext();
__GLXattribute * state = (__GLXattribute *)(gc->client_state_private);
__GLXvertexArrayPointerState *indexPointer = &state->vertArray.arrays[ index_ARRAY ];
/* Check arguments */
if (stride < 0) {
__glXSetError(gc, GL_INVALID_VALUE);
return;
}
/* Choose appropriate api proc */
switch(type) {
__GL_INDEX_FUNC(UNSIGNED_BYTE, ub);
__GL_INDEX_FUNC(SHORT, s);
__GL_INDEX_FUNC(INT, i);
__GL_INDEX_FUNC(FLOAT, f);
__GL_INDEX_FUNC(DOUBLE, d);
default:
__glXSetError(gc, GL_INVALID_ENUM);
return;
}
indexPointer->type = type;
indexPointer->stride = stride;
indexPointer->ptr = pointer;
/* Set internal state */
if (stride == 0) {
indexPointer->skip = __glXTypeSize(type);
} else {
indexPointer->skip = stride;
}
}
void
__indirect_glPopClientAttrib(void)
{
__GLXcontext *gc = __glXGetCurrentContext();
__GLXattribute *state = (__GLXattribute *) (gc->client_state_private);
__GLXattribute **spp = gc->attributes.stackPointer, *sp;
GLuint mask;
if (spp > &gc->attributes.stack[0]) {
--spp;
sp = *spp;
assert(sp != 0);
mask = sp->mask;
gc->attributes.stackPointer = spp;
if (mask & GL_CLIENT_PIXEL_STORE_BIT) {
state->storePack = sp->storePack;
state->storeUnpack = sp->storeUnpack;
}
if (mask & GL_CLIENT_VERTEX_ARRAY_BIT) {
__glXPopArrayState(state);
}
sp->mask = 0;
}
else {
__glXSetError(gc, GL_STACK_UNDERFLOW);
return;
}
}
void
__glXSendError(Display * dpy, int_fast8_t errorCode, uint_fast32_t resourceID,
uint_fast16_t minorCode, bool coreX11error)
{
struct glx_display *glx_dpy = __glXInitialize(dpy);
struct glx_context *gc = __glXGetCurrentContext();
xError error;
assert(glx_dpy);
assert(gc);
LockDisplay(dpy);
error.type = X_Error;
if (coreX11error) {
error.errorCode = errorCode;
}
else {
error.errorCode = glx_dpy->codes->first_error + errorCode;
}
error.sequenceNumber = dpy->request;
error.resourceID = resourceID;
error.minorCode = minorCode;
error.majorCode = gc ? gc->majorOpcode : 0;
_XError(dpy, &error);
UnlockDisplay(dpy);
}
/*
* These are special functions for stereoscopic support
* differences in MacOS X.
*/
void
__applegl_glDrawBuffer(GLenum mode)
{
struct glx_context * gc = __glXGetCurrentContext();
if (gc && apple_glx_context_uses_stereo(gc->driContext)) {
GLenum buf[2];
GLsizei n = 0;
switch (mode) {
case GL_BACK:
buf[0] = GL_BACK_LEFT;
buf[1] = GL_BACK_RIGHT;
n = 2;
break;
case GL_FRONT:
buf[0] = GL_FRONT_LEFT;
buf[1] = GL_FRONT_RIGHT;
n = 2;
break;
default:
buf[0] = mode;
n = 1;
break;
}
__ogl_framework_api->DrawBuffers(n, buf);
}
else {
__ogl_framework_api->DrawBuffer(mode);
}
}
_X_HIDDEN Bool
glXQueryCurrentRendererIntegerMESA(int attribute, unsigned int *value)
{
struct glx_context *gc = __glXGetCurrentContext();
if (gc == &dummyContext)
return False;
return __glXQueryRendererInteger(gc->psc, attribute, value);
}
_X_HIDDEN const char *
glXQueryCurrentRendererStringMESA(int attribute)
{
struct glx_context *gc = __glXGetCurrentContext();
if (gc == &dummyContext)
return False;
return __glXQueryRendererString(gc->psc, attribute);
}
void do_vertex_attrib_enable( GLuint index, GLboolean val )
{
__GLXcontext *gc = __glXGetCurrentContext();
__GLXattribute * state = (__GLXattribute *)(gc->client_state_private);
if ( ! __glXSetArrayEnable( state, GL_VERTEX_ATTRIB_ARRAY_POINTER_ARB,
index, val ) ) {
__glXSetError(gc, GL_INVALID_ENUM);
}
}
void
__applegl_glViewport(GLint x, GLint y, GLsizei width, GLsizei height)
{
struct glx_context *gc = __glXGetCurrentContext();
Display *dpy = glXGetCurrentDisplay();
if (gc && gc->driContext)
apple_glx_context_update(dpy, gc->driContext);
__ogl_framework_api->Viewport(x, y, width, height);
}
GLboolean
glAreTexturesResidentEXT(GLsizei n, const GLuint * textures,
GLboolean * residences)
{
struct glx_context *const gc = __glXGetCurrentContext();
if (gc->isDirect) {
const _glapi_proc *const table = (_glapi_proc *) GET_DISPATCH();
PFNGLARETEXTURESRESIDENTEXTPROC p =
(PFNGLARETEXTURESRESIDENTEXTPROC) table[332];
return p(n, textures, residences);
}
else {
struct glx_context *const gc = __glXGetCurrentContext();
Display *const dpy = gc->currentDpy;
GLboolean retval = (GLboolean) 0;
const GLuint cmdlen = 4 + __GLX_PAD((n * 4));
if (__builtin_expect((n >= 0) && (dpy != NULL), 1)) {
GLubyte const *pc =
__glXSetupVendorRequest(gc, X_GLXVendorPrivateWithReply,
X_GLvop_AreTexturesResidentEXT,
cmdlen);
(void) memcpy((void *) (pc + 0), (void *) (&n), 4);
(void) memcpy((void *) (pc + 4), (void *) (textures), (n * 4));
if (n & 3) {
/* see comments in __indirect_glAreTexturesResident() */
GLboolean *res4 = malloc((n + 3) & ~3);
retval = (GLboolean) __glXReadReply(dpy, 1, res4, GL_TRUE);
memcpy(residences, res4, n);
free(res4);
}
else {
retval = (GLboolean) __glXReadReply(dpy, 1, residences, GL_TRUE);
}
UnlockDisplay(dpy);
SyncHandle();
}
return retval;
}
}
_X_EXPORT GLXContext
glXGetCurrentContext(void)
{
struct glx_context *cx = __glXGetCurrentContext();
if (cx == &dummyContext) {
return NULL;
}
else {
return (GLXContext) cx;
}
}
void __indirect_glClientActiveTextureARB(GLenum texture)
{
__GLXcontext *gc = __glXGetCurrentContext();
__GLXattribute * state = (__GLXattribute *)(gc->client_state_private);
GLint unit = (GLint) texture - GL_TEXTURE0;
if (unit < 0 || __GLX_MAX_TEXTURE_UNITS <= unit) {
__glXSetError(gc, GL_INVALID_ENUM);
return;
}
state->vertArray.activeTexture = unit;
}
PUBLIC GLXContext
glXGetCurrentContext(void)
{
GLXContext cx = __glXGetCurrentContext();
if (cx == &dummyContext) {
return NULL;
}
else {
return cx;
}
}
void __indirect_glDrawRangeElements(GLenum mode, GLuint start, GLuint end,
GLsizei count, GLenum type,
const GLvoid *indices)
{
__GLXcontext *gc = __glXGetCurrentContext();
if (end < start) {
__glXSetError(gc, GL_INVALID_VALUE);
return;
}
__indirect_glDrawElements(mode,count,type,indices);
}
static int
__glXCloseDisplay(Display * dpy, XExtCodes * codes)
{
GLXContext gc;
gc = __glXGetCurrentContext();
if (dpy == gc->currentDpy) {
__glXSetCurrentContextNull();
__glXFreeContext(gc);
}
return XextRemoveDisplay(__glXExtensionInfo, dpy);
}
GLboolean
__indirect_glAreTexturesResident(GLsizei n, const GLuint * textures,
GLboolean * residences)
{
struct glx_context *const gc = __glXGetCurrentContext();
Display *const dpy = gc->currentDpy;
GLboolean retval = (GLboolean) 0;
if (__builtin_expect((n >= 0) && (dpy != NULL), 1)) {
#ifdef USE_XCB
xcb_connection_t *c = XGetXCBConnection(dpy);
(void) __glXFlushRenderBuffer(gc, gc->pc);
xcb_glx_are_textures_resident_reply_t *reply =
xcb_glx_are_textures_resident_reply(c,
xcb_glx_are_textures_resident
(c, gc->currentContextTag, n,
textures), NULL);
(void) memcpy(residences, xcb_glx_are_textures_resident_data(reply),
xcb_glx_are_textures_resident_data_length(reply) *
sizeof(GLboolean));
retval = reply->ret_val;
free(reply);
#else
const GLuint cmdlen = 4 + __GLX_PAD((n * 4));
GLubyte const *pc =
__glXSetupSingleRequest(gc, X_GLsop_AreTexturesResident, cmdlen);
(void) memcpy((void *) (pc + 0), (void *) (&n), 4);
(void) memcpy((void *) (pc + 4), (void *) (textures), (n * 4));
if (n & 3) {
/* n is not a multiple of four.
* When reply_is_always_array is TRUE, __glXReadReply() will
* put a multiple of four bytes into the dest buffer. If the
* caller's buffer is not a multiple of four in size, we'll write
* out of bounds. So use a temporary buffer that's a few bytes
* larger.
*/
GLboolean *res4 = malloc((n + 3) & ~3);
retval = (GLboolean) __glXReadReply(dpy, 1, res4, GL_TRUE);
memcpy(residences, res4, n);
free(res4);
}
else {
retval = (GLboolean) __glXReadReply(dpy, 1, residences, GL_TRUE);
}
UnlockDisplay(dpy);
SyncHandle();
#endif /* USE_XCB */
}
return retval;
}
static void
do_enable_disable(GLenum array, GLboolean val)
{
__GLXcontext *gc = __glXGetCurrentContext();
__GLXattribute *state = (__GLXattribute *) (gc->client_state_private);
unsigned index = 0;
if (array == GL_TEXTURE_COORD_ARRAY) {
index = __glXGetActiveTextureUnit(state);
}
if (!__glXSetArrayEnable(state, array, index, val)) {
__glXSetError(gc, GL_INVALID_ENUM);
}
}
void __indirect_glGetVertexAttribPointervNV( GLuint index, GLenum pname,
GLvoid ** pointer )
{
__GLXcontext * const gc = __glXGetCurrentContext();
__GLXattribute * state = (__GLXattribute *)(gc->client_state_private);
if ( pname != GL_VERTEX_ATTRIB_ARRAY_POINTER_ARB ) {
__glXSetError( gc, GL_INVALID_ENUM );
}
if ( ! __glXGetArrayPointer( state, GL_VERTEX_ATTRIB_ARRAY_POINTER_ARB,
index, pointer ) ) {
__glXSetError( gc, GL_INVALID_VALUE );
}
}
void __indirect_glClientActiveTextureARB(GLenum texture)
{
__GLXcontext * const gc = __glXGetCurrentContext();
__GLXattribute * const state = (__GLXattribute *)(gc->client_state_private);
struct array_state_vector * const arrays = state->array_state;
const GLint unit = (GLint) texture - GL_TEXTURE0;
if ( (unit < 0) || (unit > arrays->num_texture_units) ) {
__glXSetError(gc, GL_INVALID_ENUM);
return;
}
arrays->active_texture_unit = unit;
}