void gl_select_line( GLcontext *ctx,
GLuint v0, GLuint v1, GLuint pv )
{
const struct vertex_buffer *VB = ctx->VB;
const GLfloat zs = 1.0F / ctx->Visual->DepthMaxF;
gl_update_hitflag( ctx, VB->Win.data[v0][2] * zs );
gl_update_hitflag( ctx, VB->Win.data[v1][2] * zs );
}
void gl_select_triangle( GLcontext *ctx,
GLuint v0, GLuint v1, GLuint v2, GLuint pv )
{
const struct vertex_buffer *VB = ctx->VB;
if (gl_cull_triangle( ctx, v0, v1, v2, 0 )) {
const GLfloat zs = 1.0F / ctx->Visual->DepthMaxF;
gl_update_hitflag( ctx, VB->Win.data[v0][2] * zs );
gl_update_hitflag( ctx, VB->Win.data[v1][2] * zs );
gl_update_hitflag( ctx, VB->Win.data[v2][2] * zs );
}
}
/*
* Put points in selection buffer.
*/
static void select_points( GLcontext *ctx, GLuint first, GLuint last )
{
struct vertex_buffer *VB = ctx->VB;
GLuint i;
for (i=first;i<=last;i++) {
if (VB->Unclipped[i]) {
gl_update_hitflag( ctx, VB->Win[i][2] / DEPTH_SCALE );
}
}
}
void gl_select_points( GLcontext *ctx, GLuint first, GLuint last )
{
struct vertex_buffer *VB = ctx->VB;
const GLfloat zs = 1.0F / ctx->Visual->DepthMaxF;
GLuint i;
for (i=first;i<=last;i++) {
if (VB->ClipMask[i]==0) {
gl_update_hitflag( ctx, VB->Win.data[i][2] * zs );
}
}
}
static void select_line( GLcontext *ctx, GLuint v1, GLuint v2, GLuint pv )
{
gl_update_hitflag( ctx, ctx->VB->Win[v1][2] / DEPTH_SCALE );
gl_update_hitflag( ctx, ctx->VB->Win[v2][2] / DEPTH_SCALE );
}