void
__indirect_glTexCoordPointerEXT(GLint size, GLenum type, GLsizei stride,
GLsizei count, const GLvoid * pointer)
{
(void) count;
__indirect_glTexCoordPointer(size, type, stride, pointer);
}
void
__glXPopArrayState( __GLXattribute * state )
{
struct array_state_vector * arrays = state->array_state;
struct array_stack_state * stack;
unsigned i;
arrays->stack_index--;
stack = & arrays->stack[ (arrays->stack_index * arrays->num_arrays) ];
for ( i = 0 ; i < arrays->num_arrays ; i++ ) {
switch ( stack[i].key ) {
case GL_NORMAL_ARRAY:
__indirect_glNormalPointer( stack[i].data_type,
stack[i].user_stride,
stack[i].data );
break;
case GL_COLOR_ARRAY:
__indirect_glColorPointer( stack[i].count,
stack[i].data_type,
stack[i].user_stride,
stack[i].data );
break;
case GL_INDEX_ARRAY:
__indirect_glIndexPointer( stack[i].data_type,
stack[i].user_stride,
stack[i].data );
break;
case GL_EDGE_FLAG_ARRAY:
__indirect_glEdgeFlagPointer( stack[i].user_stride,
stack[i].data );
break;
case GL_TEXTURE_COORD_ARRAY:
arrays->active_texture_unit = stack[i].index;
__indirect_glTexCoordPointer( stack[i].count,
stack[i].data_type,
stack[i].user_stride,
stack[i].data );
break;
case GL_SECONDARY_COLOR_ARRAY:
__indirect_glSecondaryColorPointerEXT( stack[i].count,
stack[i].data_type,
stack[i].user_stride,
stack[i].data );
break;
case GL_FOG_COORDINATE_ARRAY:
__indirect_glFogCoordPointerEXT( stack[i].data_type,
stack[i].user_stride,
stack[i].data );
break;
}
__glXSetArrayEnable( state, stack[i].key, stack[i].index,
stack[i].enabled );
}
arrays->active_texture_unit =
arrays->active_texture_unit_stack[ arrays->stack_index ];
}
void
__indirect_glInterleavedArrays(GLenum format, GLsizei stride,
const GLvoid * pointer)
{
struct glx_context *gc = __glXGetCurrentContext();
__GLXattribute *state = (__GLXattribute *) (gc->client_state_private);
#define NONE {0, 0, 0}
#define F(x) {GL_FLOAT, x, x * sizeof(GLfloat)}
#define UB4 {GL_UNSIGNED_BYTE, 4, 4 * sizeof(GLubyte)}
/* Each row in this array describes the elements of a particular
* interleaved array mode. Each column describes, in the order in which
* they appear in the interleaved arrays, one of the four possible types
* of vertex data that can appear in an interleaved array.
*/
struct
{
/**
* The enum describing the GL type, as would be passed to the
* appropriate gl*Pointer function.
*/
GLushort type;
/**
* Number of elements in the subarray, as would be passed (as the
* \c size parameter) to the appropriate gl*Pointer function.
*/
GLubyte count;
/**
* True size of a single element in the subarray, as would be passed
* (as the \c stride parameter) to the appropriate gl*Pointer
* function.
*/
GLubyte size;
}
static const modes[14][4] = {
/* texture color normal vertex */
{NONE, NONE, NONE, F(2)}, /* GL_V2F */
{NONE, NONE, NONE, F(3)}, /* GL_V3F */
{NONE, UB4, NONE, F(2)}, /* GL_C4UB_V2F */
{NONE, UB4, NONE, F(3)}, /* GL_C4UB_V3F */
{NONE, F(3), NONE, F(3)}, /* GL_C3F_V3F */
{NONE, NONE, F(3), F(3)}, /* GL_N3F_V3F */
{NONE, F(4), F(3), F(3)}, /* GL_C4F_N3F_V3F */
{F(2), NONE, NONE, F(3)}, /* GL_T2F_V3F */
{F(4), NONE, NONE, F(4)}, /* GL_T4F_V4F */
{F(2), UB4, NONE, F(3)}, /* GL_T2F_C4UB_V3F */
{F(2), F(3), NONE, F(3)}, /* GL_T2F_C3F_V3F */
{F(2), NONE, F(3), F(3)}, /* GL_T2F_N3F_V3F */
{F(2), F(4), F(3), F(3)}, /* GL_T2F_C4F_N3F_V3F */
{F(4), F(4), F(3), F(4)}, /* GL_T4F_C4F_N3F_V4F */
};
#undef NONE
#undef F
#undef UB4
GLint trueStride, size;
int offsets[4];
unsigned i;
const int idx = format - GL_V2F;
/* All valid formats are on the range [GL_V2F, GL_V2F+0x0D]. Since idx
* is just the format biased by -GL_V2F, all valid idx values are on the
* range [0, 0x0D].
*/
if ((idx < 0) || (idx > 0x0D)) {
__glXSetError(gc, GL_INVALID_ENUM);
return;
}
if (stride < 0) {
__glXSetError(gc, GL_INVALID_VALUE);
return;
}
/* If the 'count' for a subarray is non-zero, then the offset of its
* first element is at the currently accumulated 'size'.
*/
size = 0;
for (i = 0; i < 4; i++) {
offsets[i] = (modes[idx][i].count != 0) ? size : -1;
size += modes[idx][i].size;
}
trueStride = (stride == 0) ? size : stride;
__glXArrayDisableAll(state);
if (offsets[0] >= 0) {
__indirect_glEnableClientState(GL_TEXTURE_COORD_ARRAY);
__indirect_glTexCoordPointer(modes[idx][0].count, GL_FLOAT,
trueStride, (const char *) pointer);
}
if (offsets[1] >= 0) {
__indirect_glEnableClientState(GL_COLOR_ARRAY);
__indirect_glColorPointer(modes[idx][1].count, modes[idx][1].type,
trueStride,
(const char *) pointer + offsets[1]);
}
if (offsets[2] >= 0) {
__indirect_glEnableClientState(GL_NORMAL_ARRAY);
__indirect_glNormalPointer(GL_FLOAT, trueStride,
(const char *) pointer + offsets[2]);
}
__indirect_glEnableClientState(GL_VERTEX_ARRAY);
__indirect_glVertexPointer(modes[idx][3].count, GL_FLOAT,
trueStride,
(const char *) pointer + offsets[3]);
}
void __indirect_glInterleavedArrays(GLenum format, GLsizei stride, const GLvoid *pointer)
{
__GLXcontext *gc = __glXGetCurrentContext();
__GLXattribute * state = (__GLXattribute *)(gc->client_state_private);
GLboolean tEnable = GL_FALSE, cEnable = GL_FALSE, nEnable = GL_FALSE;
GLenum tType = GL_FLOAT, nType = GL_FLOAT, vType = GL_FLOAT;
GLenum cType = GL_FALSE;
GLint tSize = 0, cSize = 0, nSize = 3, vSize;
int cOffset = 0, nOffset = 0, vOffset = 0;
GLint trueStride, size;
switch (format) {
case GL_V2F:
vSize = 2;
size = __glXTypeSize(vType) * vSize;
break;
case GL_V3F:
vSize = 3;
size = __glXTypeSize(vType) * vSize;
break;
case GL_C4UB_V2F:
cEnable = GL_TRUE;
cSize = 4;
cType = GL_UNSIGNED_BYTE;
vSize = 2;
vOffset = __glXTypeSize(cType) * cSize;
size = vOffset + __glXTypeSize(vType) * vSize;
break;
case GL_C4UB_V3F:
cEnable = GL_TRUE;
cSize = 4;
cType = GL_UNSIGNED_BYTE;
vSize = 3;
vOffset = __glXTypeSize(vType) * cSize;
size = vOffset + __glXTypeSize(vType) * vSize;
break;
case GL_C3F_V3F:
cEnable = GL_TRUE;
cSize = 3;
cType = GL_FLOAT;
vSize = 3;
vOffset = __glXTypeSize(cType) * cSize;
size = vOffset + __glXTypeSize(vType) * vSize;
break;
case GL_N3F_V3F:
nEnable = GL_TRUE;
vSize = 3;
vOffset = __glXTypeSize(nType) * nSize;
size = vOffset + __glXTypeSize(vType) * vSize;
break;
case GL_C4F_N3F_V3F:
cEnable = GL_TRUE;
cSize = 4;
cType = GL_FLOAT;
nEnable = GL_TRUE;
nOffset = __glXTypeSize(cType) * cSize;
vSize = 3;
vOffset = nOffset + __glXTypeSize(nType) * nSize;
size = vOffset + __glXTypeSize(vType) * vSize;
break;
case GL_T2F_V3F:
tEnable = GL_TRUE;
tSize = 2;
vSize = 3;
vOffset = __glXTypeSize(tType) * tSize;
size = vOffset + __glXTypeSize(vType) * vSize;
break;
case GL_T4F_V4F:
tEnable = GL_TRUE;
tSize = 4;
vSize = 4;
vOffset = __glXTypeSize(tType) * tSize;
size = vOffset + __glXTypeSize(vType) * vSize;
break;
case GL_T2F_C4UB_V3F:
tEnable = GL_TRUE;
tSize = 2;
cEnable = GL_TRUE;
cSize = 4;
cType = GL_UNSIGNED_BYTE;
cOffset = __glXTypeSize(tType) * tSize;
vSize = 3;
vOffset = cOffset + __glXTypeSize(cType) * cSize;
size = vOffset + __glXTypeSize(vType) * vSize;
break;
case GL_T2F_C3F_V3F:
tEnable = GL_TRUE;
tSize = 2;
cEnable = GL_TRUE;
cSize = 3;
cType = GL_FLOAT;
cOffset = __glXTypeSize(tType) * tSize;
vSize = 3;
vOffset = cOffset + __glXTypeSize(cType) * cSize;
size = vOffset + __glXTypeSize(vType) * vSize;
break;
case GL_T2F_N3F_V3F:
tEnable = GL_TRUE;
tSize = 2;
nEnable = GL_TRUE;
nOffset = __glXTypeSize(tType) * tSize;
vSize = 3;
vOffset = nOffset + __glXTypeSize(nType) * nSize;
size = vOffset + __glXTypeSize(vType) * vSize;
break;
case GL_T2F_C4F_N3F_V3F:
tEnable = GL_TRUE;
tSize = 2;
cEnable = GL_TRUE;
cSize = 4;
cType = GL_FLOAT;
cOffset = __glXTypeSize(tType) * tSize;
nEnable = GL_TRUE;
nOffset = cOffset + __glXTypeSize(cType) * cSize;
vSize = 3;
vOffset = nOffset + __glXTypeSize(nType) * nSize;
size = vOffset + __glXTypeSize(vType) * vSize;
break;
case GL_T4F_C4F_N3F_V4F:
tEnable = GL_TRUE;
tSize = 4;
cEnable = GL_TRUE;
cSize = 4;
cType = GL_FLOAT;
cOffset = __glXTypeSize(tType) * tSize;
nEnable = GL_TRUE;
nOffset = cOffset + __glXTypeSize(cType) * cSize;
vSize = 4;
vOffset = nOffset + __glXTypeSize(nType) * nSize;
size = vOffset + __glXTypeSize(vType) * vSize;
break;
default:
__glXSetError(gc, GL_INVALID_ENUM);
return;
}
trueStride = (stride == 0) ? size : stride;
state->vertArray.enables = 0;
state->vertArray.texture_enables = 0;
if (tEnable) {
__indirect_glEnableClientState(GL_TEXTURE_COORD_ARRAY);
__indirect_glTexCoordPointer(tSize, tType, trueStride, (const char *)pointer);
}
if (cEnable) {
__indirect_glEnableClientState(GL_COLOR_ARRAY);
__indirect_glColorPointer(cSize, cType, trueStride, (const char *)pointer+cOffset);
}
if (nEnable) {
__indirect_glEnableClientState(GL_NORMAL_ARRAY);
__indirect_glNormalPointer(nType, trueStride, (const char *)pointer+nOffset);
}
__indirect_glEnableClientState(GL_VERTEX_ARRAY);
__indirect_glVertexPointer(vSize, vType, trueStride, (const char *)pointer+vOffset);
}