/**
* Called via glEnd.
*/
static void GLAPIENTRY
vbo_exec_End(void)
{
GET_CURRENT_CONTEXT(ctx);
struct vbo_exec_context *exec = &vbo_context(ctx)->exec;
if (!_mesa_inside_begin_end(ctx)) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glEnd");
return;
}
ctx->Exec = ctx->OutsideBeginEnd;
if (ctx->CurrentClientDispatch == ctx->BeginEnd) {
ctx->CurrentClientDispatch = ctx->OutsideBeginEnd;
_glapi_set_dispatch(ctx->CurrentClientDispatch);
}
if (exec->vtx.prim_count > 0) {
/* close off current primitive */
struct _mesa_prim *last_prim = &exec->vtx.prim[exec->vtx.prim_count - 1];
last_prim->end = 1;
last_prim->count = exec->vtx.vert_count - last_prim->start;
/* Special handling for GL_LINE_LOOP */
if (last_prim->mode == GL_LINE_LOOP && last_prim->begin == 0) {
/* We're finishing drawing a line loop. Append 0th vertex onto
* end of vertex buffer so we can draw it as a line strip.
*/
const fi_type *src = exec->vtx.buffer_map +
last_prim->start * exec->vtx.vertex_size;
fi_type *dst = exec->vtx.buffer_map +
exec->vtx.vert_count * exec->vtx.vertex_size;
/* copy 0th vertex to end of buffer */
memcpy(dst, src, exec->vtx.vertex_size * sizeof(fi_type));
last_prim->start++; /* skip vertex0 */
/* note that last_prim->count stays unchanged */
last_prim->mode = GL_LINE_STRIP;
/* Increment the vertex count so the next primitive doesn't
* overwrite the last vertex which we just added.
*/
exec->vtx.vert_count++;
exec->vtx.buffer_ptr += exec->vtx.vertex_size;
}
try_vbo_merge(exec);
}
ctx->Driver.CurrentExecPrimitive = PRIM_OUTSIDE_BEGIN_END;
if (exec->vtx.prim_count == VBO_MAX_PRIM)
vbo_exec_vtx_flush(exec, GL_FALSE);
if (MESA_DEBUG_FLAGS & DEBUG_ALWAYS_FLUSH) {
_mesa_flush(ctx);
}
}
/**
* Called via glEnd.
*/
static void GLAPIENTRY vbo_exec_End( void )
{
GET_CURRENT_CONTEXT( ctx );
struct vbo_exec_context *exec = &vbo_context(ctx)->exec;
if (!_mesa_inside_begin_end(ctx)) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glEnd");
return;
}
ctx->Exec = ctx->OutsideBeginEnd;
if (ctx->CurrentDispatch == ctx->BeginEnd) {
ctx->CurrentDispatch = ctx->OutsideBeginEnd;
_glapi_set_dispatch(ctx->CurrentDispatch);
}
if (exec->vtx.prim_count > 0) {
/* close off current primitive */
int idx = exec->vtx.vert_count;
int i = exec->vtx.prim_count - 1;
exec->vtx.prim[i].end = 1;
exec->vtx.prim[i].count = idx - exec->vtx.prim[i].start;
try_vbo_merge(exec);
}
ctx->Driver.CurrentExecPrimitive = PRIM_OUTSIDE_BEGIN_END;
if (exec->vtx.prim_count == VBO_MAX_PRIM)
vbo_exec_vtx_flush( exec, GL_FALSE );
if (MESA_DEBUG_FLAGS & DEBUG_ALWAYS_FLUSH) {
_mesa_flush(ctx);
}
}
