void
meta_restore_texcoords(struct dri_metaops *meta)
{
GLcontext *ctx = meta->ctx;
/* Restore the old TexCoordPointer */
if (meta->saved_texcoord_vbo) {
_mesa_BindBufferARB(GL_ARRAY_BUFFER_ARB,
meta->saved_texcoord_vbo->Name);
_mesa_reference_buffer_object(ctx, &meta->saved_texcoord_vbo, NULL);
} else {
_mesa_BindBufferARB(GL_ARRAY_BUFFER_ARB, 0);
}
_mesa_TexCoordPointer(meta->saved_texcoord_size,
meta->saved_texcoord_type,
meta->saved_texcoord_stride,
meta->saved_texcoord_ptr);
if (!meta->saved_texcoord_enable)
_mesa_Disable(GL_TEXTURE_COORD_ARRAY);
_mesa_ClientActiveTextureARB(GL_TEXTURE0 +
meta->saved_active_texture);
if (meta->saved_array_vbo) {
_mesa_BindBufferARB(GL_ARRAY_BUFFER_ARB,
meta->saved_array_vbo->Name);
_mesa_reference_buffer_object(ctx, &meta->saved_array_vbo, NULL);
} else {
_mesa_BindBufferARB(GL_ARRAY_BUFFER_ARB, 0);
}
}
void GLAPIENTRY
_mesa_TexCoordPointerEXT(GLint size, GLenum type, GLsizei stride,
GLsizei count, const GLvoid *ptr)
{
(void) count;
_mesa_TexCoordPointer(size, type, stride, ptr);
}
void
meta_set_default_texrect(struct dri_metaops *meta)
{
GLcontext *ctx = meta->ctx;
struct gl_client_array *old_texcoord_array;
meta->saved_active_texture = ctx->Texture.CurrentUnit;
if (meta->saved_array_vbo == NULL) {
_mesa_reference_buffer_object(ctx, &meta->saved_array_vbo,
ctx->Array.ArrayBufferObj);
}
old_texcoord_array = &ctx->Array.ArrayObj->TexCoord[0];
meta->saved_texcoord_type = old_texcoord_array->Type;
meta->saved_texcoord_size = old_texcoord_array->Size;
meta->saved_texcoord_stride = old_texcoord_array->Stride;
meta->saved_texcoord_enable = old_texcoord_array->Enabled;
meta->saved_texcoord_ptr = old_texcoord_array->Ptr;
_mesa_reference_buffer_object(ctx, &meta->saved_texcoord_vbo,
old_texcoord_array->BufferObj);
_mesa_ClientActiveTextureARB(GL_TEXTURE0);
if (meta->texcoord_vbo == NULL) {
GLuint vbo_name;
_mesa_GenBuffersARB(1, &vbo_name);
_mesa_BindBufferARB(GL_ARRAY_BUFFER_ARB, vbo_name);
_mesa_BufferDataARB(GL_ARRAY_BUFFER_ARB, sizeof(default_texcoords),
default_texcoords, GL_STATIC_DRAW_ARB);
_mesa_reference_buffer_object(ctx, &meta->texcoord_vbo,
ctx->Array.ArrayBufferObj);
} else {
_mesa_BindBufferARB(GL_ARRAY_BUFFER_ARB,
meta->texcoord_vbo->Name);
}
_mesa_TexCoordPointer(2, GL_FLOAT, 2 * sizeof(GLfloat), NULL);
_mesa_Enable(GL_TEXTURE_COORD_ARRAY);
}
void GLAPIENTRY
_mesa_InterleavedArrays(GLenum format, GLsizei stride, const GLvoid *pointer)
{
GET_CURRENT_CONTEXT(ctx);
GLboolean tflag, cflag, nflag; /* enable/disable flags */
GLint tcomps, ccomps, vcomps; /* components per texcoord, color, vertex */
GLenum ctype = 0; /* color type */
GLint coffset = 0, noffset = 0, voffset;/* color, normal, vertex offsets */
const GLint toffset = 0; /* always zero */
GLint defstride; /* default stride */
GLint c, f;
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
f = sizeof(GLfloat);
c = f * ((4 * sizeof(GLubyte) + (f - 1)) / f);
if (stride < 0) {
_mesa_error( ctx, GL_INVALID_VALUE, "glInterleavedArrays(stride)" );
return;
}
switch (format) {
case GL_V2F:
tflag = GL_FALSE; cflag = GL_FALSE; nflag = GL_FALSE;
tcomps = 0; ccomps = 0; vcomps = 2;
voffset = 0;
defstride = 2*f;
break;
case GL_V3F:
tflag = GL_FALSE; cflag = GL_FALSE; nflag = GL_FALSE;
tcomps = 0; ccomps = 0; vcomps = 3;
voffset = 0;
defstride = 3*f;
break;
case GL_C4UB_V2F:
tflag = GL_FALSE; cflag = GL_TRUE; nflag = GL_FALSE;
tcomps = 0; ccomps = 4; vcomps = 2;
ctype = GL_UNSIGNED_BYTE;
coffset = 0;
voffset = c;
defstride = c + 2*f;
break;
case GL_C4UB_V3F:
tflag = GL_FALSE; cflag = GL_TRUE; nflag = GL_FALSE;
tcomps = 0; ccomps = 4; vcomps = 3;
ctype = GL_UNSIGNED_BYTE;
coffset = 0;
voffset = c;
defstride = c + 3*f;
break;
case GL_C3F_V3F:
tflag = GL_FALSE; cflag = GL_TRUE; nflag = GL_FALSE;
tcomps = 0; ccomps = 3; vcomps = 3;
ctype = GL_FLOAT;
coffset = 0;
voffset = 3*f;
defstride = 6*f;
break;
case GL_N3F_V3F:
tflag = GL_FALSE; cflag = GL_FALSE; nflag = GL_TRUE;
tcomps = 0; ccomps = 0; vcomps = 3;
noffset = 0;
voffset = 3*f;
defstride = 6*f;
break;
case GL_C4F_N3F_V3F:
tflag = GL_FALSE; cflag = GL_TRUE; nflag = GL_TRUE;
tcomps = 0; ccomps = 4; vcomps = 3;
ctype = GL_FLOAT;
coffset = 0;
noffset = 4*f;
voffset = 7*f;
defstride = 10*f;
break;
case GL_T2F_V3F:
tflag = GL_TRUE; cflag = GL_FALSE; nflag = GL_FALSE;
tcomps = 2; ccomps = 0; vcomps = 3;
voffset = 2*f;
defstride = 5*f;
break;
case GL_T4F_V4F:
tflag = GL_TRUE; cflag = GL_FALSE; nflag = GL_FALSE;
tcomps = 4; ccomps = 0; vcomps = 4;
voffset = 4*f;
defstride = 8*f;
break;
case GL_T2F_C4UB_V3F:
tflag = GL_TRUE; cflag = GL_TRUE; nflag = GL_FALSE;
tcomps = 2; ccomps = 4; vcomps = 3;
ctype = GL_UNSIGNED_BYTE;
coffset = 2*f;
voffset = c+2*f;
defstride = c+5*f;
break;
case GL_T2F_C3F_V3F:
tflag = GL_TRUE; cflag = GL_TRUE; nflag = GL_FALSE;
tcomps = 2; ccomps = 3; vcomps = 3;
ctype = GL_FLOAT;
coffset = 2*f;
voffset = 5*f;
defstride = 8*f;
break;
case GL_T2F_N3F_V3F:
tflag = GL_TRUE; cflag = GL_FALSE; nflag = GL_TRUE;
tcomps = 2; ccomps = 0; vcomps = 3;
noffset = 2*f;
voffset = 5*f;
defstride = 8*f;
break;
case GL_T2F_C4F_N3F_V3F:
tflag = GL_TRUE; cflag = GL_TRUE; nflag = GL_TRUE;
tcomps = 2; ccomps = 4; vcomps = 3;
ctype = GL_FLOAT;
coffset = 2*f;
noffset = 6*f;
voffset = 9*f;
defstride = 12*f;
break;
case GL_T4F_C4F_N3F_V4F:
tflag = GL_TRUE; cflag = GL_TRUE; nflag = GL_TRUE;
tcomps = 4; ccomps = 4; vcomps = 4;
ctype = GL_FLOAT;
coffset = 4*f;
noffset = 8*f;
voffset = 11*f;
defstride = 15*f;
break;
default:
_mesa_error( ctx, GL_INVALID_ENUM, "glInterleavedArrays(format)" );
return;
}
if (stride==0) {
stride = defstride;
}
_mesa_DisableClientState( GL_EDGE_FLAG_ARRAY );
_mesa_DisableClientState( GL_INDEX_ARRAY );
/* XXX also disable secondary color and generic arrays? */
/* Texcoords */
if (tflag) {
_mesa_EnableClientState( GL_TEXTURE_COORD_ARRAY );
_mesa_TexCoordPointer( tcomps, GL_FLOAT, stride,
(GLubyte *) pointer + toffset );
}
else {
_mesa_DisableClientState( GL_TEXTURE_COORD_ARRAY );
}
/* Color */
if (cflag) {
_mesa_EnableClientState( GL_COLOR_ARRAY );
_mesa_ColorPointer( ccomps, ctype, stride,
(GLubyte *) pointer + coffset );
}
else {
_mesa_DisableClientState( GL_COLOR_ARRAY );
}
/* Normals */
if (nflag) {
_mesa_EnableClientState( GL_NORMAL_ARRAY );
_mesa_NormalPointer( GL_FLOAT, stride, (GLubyte *) pointer + noffset );
}
else {
_mesa_DisableClientState( GL_NORMAL_ARRAY );
}
/* Vertices */
_mesa_EnableClientState( GL_VERTEX_ARRAY );
_mesa_VertexPointer( vcomps, GL_FLOAT, stride,
(GLubyte *) pointer + voffset );
}
